Bobcat Loaders B100, B200, B250, B300, BL275, BL370, BL375, BL470, BL475, BL570 Repair Service Manuals
Catalog:
Model:
Complete repair service manual with Electrical Wiring Diagrams for Bobcat Loaders B100, B200, B250, B300, BL275, BL370, BL375, BL470, BL475, BL570, with all the shop information to maintain, diagnose, and repair like professional mechanics.
Bobcat Loaders B100, B200, B250, B300, BL275, BL370, BL375, BL470, BL475, BL570 workshop service & repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
B100 Service Manual 6901844 enUS sm 06-12.pdf
B100 Service Manual 6902812 enUS sm 06-12.pdf
B200 Service Manual 6901848 enUS sm 06-12.pdf
B250 Service Manual 6901852 enUS sm 06-12.pdf
B250 Service Manual 6902715 enUS sm 06-12.pdf
B250 Service Manual 6903864 enUS sm 06-12.pdf
B300 Service Manual 6901906 enUS sm 06-12.pdf
B300 Service Manual 6902773 enUS sm 06-12.pdf
B300 Service Manual 6903702 enUS sm 06-12.pdf
BL275 Service Manual 6901968 enUS sm 06-12.pdf
BL275 Service Manual 6902717 enUS sm 06-12.pdf
BL370_BL375 Service Manual 6901973 enUS sm 06-12.pdf
BL370 Service Manual 6902813 enUS sm 06-12.pdf
BL370 Service Manual 22535801 enUS sm 06-12.pdf
BL470_BL475 Service Manual 6902018 enUS sm 06-12.pdf
BL570_BL575 Service Manual 6902022 enUS sm 06-12.pdf
BL570 Service Manual 6903097 enUS sm 06-12.pdf
Total Pages: 11,222 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
B100 Service Manual 6901844 enUS sm 06-12...1
MAINTENANCE SAFETY...3
ALPHABETICAL INDEX...5
CONTENTS...7
FOREWORD...8
SAFETY INSTRUCTIONS...11
Fire Prevention...13
SERIAL NUMBER LOCATIONS...15
Loader Backhoe Serial Number...15
Engine Serial Number...15
DELIVERY REPORT...15
BOBCAT LOADER IDENTIFICATION...16
SAFETY & MAINTENANCE...17
LIFTING AND BLOCKING THE LOADER BACKHOE...19
Procedure...19
LIFT ARM SUPPORT DEVICE...21
Installing The Lift Arm Support Device...21
Removing The Lift Arm Support Device...22
ENGINE COVER...23
TRANSPORTING THE LOADER BACKHOE...25
Procedure...25
TOWING THE LOADER BACKHOE...27
Procedure...27
AXLE TOE-IN...29
Adjustment...29
SERVICE SCHEDULE...31
Chart...31
AIR CLEANER SERVICE...33
Replacing Filter Element...33
ENGINE COOLING SYSTEM...35
Coolant Replacement...35
FUEL SYSTEM...37
Fuel Specifications...37
Filling The Fuel Tank...37
Fuel Filter...38
Removing Air From The Fuel System...38
ENGINE LUBRICATION SYSTEM...39
Checking Engine Oil...39
Oil Chart...39
Replacing Oil And Filter...40
HYDRAULIC/HYDROSTATIC SYSTEM...43
Checking And Adding Fluid...43
Cleaning The Cooler...43
Replacing Hydraulic/Hydrostatic Filter...44
Replacing Hydraulic Fluid...45
REAR AXLE...47
Checking Oil Level...47
Draining Oil...47
BACKHOE BOOM LOCK...49
Disengaging The Boom Lock...49
Engaging Boom Lock...50
BOB-TACH HAND LEVER...51
Inspection And Maintenance...51
ALTERNATOR BELT...53
Adjusting The Alternator Belt...53
LUBRICATING THE LOADER BACKHOE...55
TIRE MAINTENANCE...61
Wheel Nuts...61
Mounting...61
Tire Pressure...61
HYDRAULIC SYSTEM...63
HYDRAULIC / HYDROSTATIC SCHEMATICS...67
HYDRAULIC SYSTEM INFORMATION...69
Troubleshooting...73
Description...74
ARM CYLINDER...75
Checking...75
Removal And Installation...77
Parts Identification...79
Disassembly...80
Assembly...83
BOOM CYLINDER...87
Checking...87
Removal And Installation...88
Parts Identification...90
Disassembly...91
Assembly...94
SWING CYLINDER...97
Removal And Installation...97
Bushing Removal And Installation...98
Parts Identification (Left Side)...99
Parts Identification (Right Side)...100
Disassembly...101
Assembly...104
BUCKET CYLINDER...107
Checking...107
Removal And Installation...109
Parts Identification...111
Disassembly...112
Assembly...115
STABILIZER CYLINDER...119
Checking...119
Removal And Installation...121
Parts Identification...124
Disassembly...125
Assembly...128
TILT CYLINDER...131
Checking...131
Removal And Installation...132
Parts Identification (Left Side)...133
Parts Identification (Right Side)...134
Disassembly...135
Assembly...138
LIFT CYLINDER...141
Checking...141
Removal And Installation...142
Parts Identification...143
Disassembly...144
Assembly...147
STEERING CYLINDER...151
Checking...151
Removal And Installation...152
Parts Identification...155
Disassembly...156
Assembly...159
MAIN RELIEF VALVE...165
Testing The Main Relief Valve...165
Adjustment...166
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...167
Testing And Adjusting (Arm Control)...167
Testing And Adjusting (Boom Control)...169
Testing And Adjusting (Boom Swing Control)...171
PORT RELIEF VALVE (LOADER CONTROL VALVE)...173
Testing And Adjusting (Bucket Tilt)...173
Testing And Adjusting (Front Auxiliary)...175
LOADER CONTROL VALVE...177
Removal And Installation...177
Parts Identification...179
Disassembly And Assembly...180
Inlet/Outlet Valve Section...181
Lift Arm Valve Section...183
Tilt Valve Section...186
Auxiliary Valve Section...190
BACKHOE CONTROL VALVE...195
Removal And Installation...195
Parts Identification...197
Disassembly And Assembly...198
Inlet/Outlet Valve Section...200
Arm Valve Section...202
Tilt Valve Section...205
Right Stabilizer Valve Section...208
Left Stabilizer Valve Section...211
Boom Valve Section...215
Boom Swing Valve Section...218
Outlet Valve Section...221
HYDRAULIC FLUID RESERVOIR...223
Removal And Installation...223
Filter Removal And Installation...225
HYDRAULIC FILTER HOUSING...227
Removal And Installation...227
Disassembly...228
Assembly...229
GEAR PUMP...231
Removal And Installation...231
Parts Identification...232
Disassembly And Assembly...233
Inspection...235
STEERING PUMP...237
Removal And Installation...237
Parts Identification...240
Disassembly...241
Inspection...250
Assembly...250
TRAVEL PEDAL...259
Removal And Installation...259
Parts Identification...260
Disassembly And Assembly...261
HYDROSTATIC SYSTEM...267
HYDROSTATIC SYSTEM INFORMATION...269
Troubleshooting Chart...269
Replenishing Valve Function...270
OIL COOLER...271
Removal And Installation...271
Parts Identification...273
Disassembly...274
Assembly...276
HYDROSTATIC DRIVE MOTOR...279
Removal And Installation...279
Parts Identification...281
Disassembly...282
Inspection...286
Assembly...288
HYDROSTATIC PUMP...293
Removal And Installation...293
Parts Identification...295
Disassembly...297
Inspection...313
Assembly...315
HYDROSTATIC TESTING...331
Pump Adjustment...331
DRIVE SYSTEM...335
PARKING BRAKE...337
Lever Removal And Installation...337
Cable Removal And Installation...338
Adjustment...340
BRAKE CALIPER...341
Removal And Installation...341
Parts Identification...344
Disassembly And Assembly...345
BRAKE CALIPER...351
Removal And Installation...351
Parts Identification...354
Disassembly And Assembly...355
REAR AXLE...361
Removal And Installation...361
AXLE AND DIFFERENTIAL...365
Troubleshooting Chart...365
General Information...366
Wheel Hub/Axle Parts Identification...366
Wheel Hub/Axle Disassembly...367
Differential Parts Identification...370
Differential Disassembly...371
Differential Inspection...377
Pinion Group Parts Identification...378
Pinion Group Disassembly...379
Pinion Group Inspection...382
Pinion Group Assembly...383
Differential Assembly...390
Wheel Hub/Axle Assembly...399
MAIN FRAME...403
OPERATOR CAB...405
Removal And Installation...405
Cab Mount Removal And Installation...412
OPERATOR SEAT...413
Removal And Installation...413
FLOOR PANELS...415
Left Front Panel Removal And Installation...415
Right Front Panel Removal And Installation...415
Rear Panel Removal And Installation...416
GRILL...417
Removal And Installation...417
GRILL FRAME...419
Removal And Installation...419
ENGINE SIDE COVERS...421
Removal And Installation...421
FENDER...423
Removal And Installation...423
ENGINE COVER...425
Removal And Installation...425
FUEL TANK...427
Removal And Installation...427
Fuel Fill Screen Removal And Installation...428
LIFT ARMS...429
Removal And Installation...429
BOB-TACH...433
Removal And Installation...433
Bob-Tach Lever And Wedge...435
Pivot Pin Bushing Removal And Installation...437
FRONT AXLE...439
Removal And Installation...439
Pivot Bushing Removal And Installation...441
AXLE HUB (FRONT)...443
Removal And Installation...443
SPINDLE...447
Removal And Installation...447
ARM...451
Removal And Installation...451
Bushing Removal And Installation...453
BOOM...455
Removal And Installation...455
SWING FRAME...459
Boom Pivot Bushing Removal And Installation...459
Removal And Installation...460
Boom Swing Bushing Removal And Installation...464
X-CHANGE™...465
Removal And Installation...465
BUCKET...467
Backhoe Bucket Teeth Removal And Installation...467
Loader Bucket Teeth Removal And Installation...467
STABILIZER...469
Removal And Installation...469
ELECTRICAL SYSTEM AND ANALYSIS...473
ELECTRICAL SCHEMATICS...475
ELECTRICAL SYSTEM INFORMATION...477
Troubleshooting Chart...477
Description...478
Fuse Location...478
BATTERY...479
Removal And Installation...479
Servicing The Electrical System...480
Using A Booster Battery (Jump Starting)...481
ALTERNATOR...483
Adjusting The Alternator Belt...483
Description...483
Tests...484
Alternator Output Test...484
Full Field Test...485
Alternator Regulator Test...485
Alternator Regulator Test With Voltmeter...486
Removal And Installation...487
Parts Identification...488
Pulley Removal And Installation...489
Disassembly And Assembly...490
Rotor Continuity Test...493
Stator Continuity Test...493
Rectifier Continuity (Diode) Test...494
Brush Length...494
STARTER...495
Removal And Installation...495
Checking The Starter In The Loader...495
Parts Identification...497
Disassembly...498
Inspection And Repair...503
No Load Test...507
Assembly...508
CAB LIGHTS...515
Bulb Removal And Installation...515
Housing Removal And Installation...517
FUEL LEVEL SENDER...519
Removal And Installation...519
INSTRUMENT PANEL...521
Removal And Installation...521
ENGINE SERVICE...523
TROUBLESHOOTING...527
Chart...527
ENGINE SPEED CONTROL...529
Removal And Installation...529
Cable Removal And Installation...530
MUFFLER...531
Removal And Installation...531
AIR CLEANER...533
Housing Removal And Installation...533
RADIATOR...535
Removal And Installation...535
ENGINE COMPONENTS AND TESTING...537
Checking Engine Compression...537
Checking Glow Plugs...538
Glow Plug Removal And Installation...539
Fuel Shut-Off Solenoid Removal And Installation...540
Checking Fuel Injection Pump...541
Fuel Injection Pump Removal And Installation...542
Fuel Injection Pump Timing...544
Fuel Injector Nozzles Removal And Installation...545
Checking Fuel Injector, Nozzles...547
Thermostat Removal And Installation...548
Water Pump Removal And Installation...549
ENGINE...551
Removal And Installation...551
Mount Replacement...555
RECONDITIONING THE ENGINE...557
Timing Gear Case Cover Removal And Installation...557
Oil Pump Removal And Installation...559
Crankshaft Front Seal Removal And Installation...561
Engine Speed Control Plate Removal And Installation...562
Idle Limit And Fuel Limit Adjustment...563
Exhaust Manifold Removal And Installation...563
Valve Cover Removal And Installation...564
Rocker Arm Removal And Installation...565
Push Rod Removal And Installation...566
Tappet Removal And Installation...567
Water Flange Removal And Installation...567
Cylinder Head Removal And Installation...568
Checking Piston Top Clearance...569
Cylinder Head Disassembly And Assembly...570
Servicing The Cylinder Head...571
Combustion Chamber Removal And Installation...574
Idler Gear Removal And Installation...575
Camshaft Removal And Installation...576
Fuel Camshaft Removal And Installation...578
Oil Pan Removal And Installation...580
Governor Shaft Removal And Installation...581
Governor Fork Lever Removal And Installation...584
Piston Removal And Installation...586
Checking The Piston And Connecting Rod...586
Connecting Rod Alignment...587
Piston Ring Gap...587
Piston Ring Installation...588
Connecting Rod Installation...589
Checking Engine Cylinder Bore...589
Crankshaft Removal And Installation...590
Checking Crankshaft Journal And Block Bearing...592
Checking Crankshaft Journal And Main Bearing...593
Connecting Rod Journal...594
Checking The End Play Of The Crankshaft...595
Crankshaft Alignment...595
Engine Timing Installation...596
Timing Gear Backlash, Idler Gear And Crankshaft...596
Idler Gear And Camshaft Gear...597
Idler Gear And Fuel Camshaft Gear...597
Fuel Camshaft Gear And Governor Shaft Gear...597
FLYWHEEL HOUSING...599
Removal And Installation...599
FLYWHEEL...601
Removal And Installation...601
Ring Gear Removal And Installation...601
RUBBER DRIVE COUPLER...603
Removal And Installation...603
Disassembly...603
TURBOCHARGER...605
SPECIFICATIONS...607
LOADER BACKHOE SPECIFICATIONS...609
Loader Backhoe Dimensions...609
Performance...610
Controls...610
Engine...610
Hydraulic System...611
Electrical...612
Drive System...612
Capacities...612
Tires...612
ENGINE SPECIFICATIONS...613
Engine Compression...613
Fuel Injection Nozzles...613
Fuel Injection Pump...613
Cylinder Head...613
Valves...613
Valve Springs...614
Rocker Arms...614
Camshaft...614
Cylinders...614
Piston Rings...615
Pistons...615
Crankshaft...615
Oil Pump...616
Thermostat...616
Grinding Specifications for the Crankshaft...617
LOADER BACKHOE TORQUE...619
Specifications...619
TORQUE SPECIFICATIONS FOR BOLTS...621
Torque For General Metric Bolts...621
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...623
Specifications...623
CONVERSIONS...625
Decimal And Millimeter Equivalents...625
U.S. To Metric Conversion...625
SMR...627
B100-1...627
B100-2...629
B100-3...631
B100-4...633
B100-5...635
B100-6...637
B100-7...639
B100-8...641
B100 Service Manual 6902812 enUS sm 06-12...643
MAINTENANCE SAFETY...645
ALPHABETICAL INDEX...647
CONTENTS...649
SAFETY INSTRUCTIONS...653
Fire Prevention...655
SERIAL NUMBER LOCATION...657
Loader Backhoe Serial Number...657
Engine Serial Number...657
DELIVERY REPORT...657
LOADER BACKHOE IDENTIFICATION...658
SAFETY & MAINTENANCE...659
LIFTING AND BLOCKING THE LOADER BACKHOE...661
Procedure...661
APPROVED LIFT ARM SUPPORT DEVICE...663
Installing The Approved Lift Arm Support Device...663
Removing The Approved Lift Arm Support Device...664
ENGINE COVER...665
TRANSPORTING THE LOADER BACKHOE...667
TOWING THE LOADER BACKHOE...669
Procedure...669
AXLE TOE-IN...671
Adjustment...671
SERVICE SCHEDULE...673
Chart...673
AIR CLEANER SERVICE...675
Replacing The Filter...675
ENGINE COOLING SYSTEM...677
Coolant Replacement...677
FUEL SYSTEM...679
Fuel Specifications...679
Filling The Fuel Tank...679
Fuel Filter...679
Removing Air From The Fuel System...681
ENGINE LUBRICATION SYSTEM...683
Checking Engine Oil...683
Oil Chart...683
Replacing The Oil And Filter...684
HYDRAULIC/HYDROSTATIC SYSTEM...687
Checking And Adding Fluid...687
Cleaning The Cooler...688
Replacing Hydraulic/Hydrostatic Filter...688
Replacing Hydraulic Fluid...689
REAR AXLE...691
Checking Oil Level...691
Draining Oil...691
BOOM LOCK PIN...693
Engaging And Disengaging The Pin...693
SWING LOCK PIN...695
Engaging The Swing Lock Pin...695
BOB-TACH HAND LEVER...697
Inspection And Maintenance...697
ALTERNATOR BELT...699
Adjusting The Alternator Belt...699
LUBRICATING THE LOADER BACKHOE...701
TIRE MAINTENANCE...709
Wheel Nuts...709
Mounting...709
Tire Pressure...709
HYDRAULIC SYSTEM...711
HYDRAULIC/HYDROSTATIC SCHEMATIC...715
HYDRAULIC SYSTEM INFORMATION...717
Troubleshooting...720
Description...721
ARM CYLINDER...723
Checking...723
Removal And Installation...724
Parts Identification...727
Disassembly...728
Assembly...730
BOOM CYLINDER...733
Checking...733
Removal And Installation...735
Parts Identification...738
Disassembly...739
Assembly...741
SWING CYLINDER...743
Checking...743
Removal And Installation...744
Parts Identification...747
Disassembly...748
Assembly...751
Bushing Removal And Installation...753
BUCKET CYLINDER...755
Checking...755
Removal And Installation...757
Parts Identification...760
Disassembly...761
Assembly...763
STABILIZER CYLINDER...765
Checking...765
Removal And Installation...767
Parts Identification...769
Disassembly...770
Assembly...774
TILT CYLINDER...779
Checking...779
Removal And Installation...780
Parts Identification...781
Disassembly...782
Assembly...784
LIFT CYLINDER...787
Checking...787
Removal And Installation...788
Parts Identification...789
Disassembly...790
Assembly...792
STEERING CYLINDER...795
Checking...795
Removal And Installation...796
Parts Identification...799
Disassembly...800
Assembly...803
MAIN RELIEF VALVE...809
Testing The Main Relief Valve...809
Adjustment...810
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...811
Testing And Adjusting (Arm Control)...811
Testing And Adjusting (Boom Control)...813
Testing And Adjusting (Boom Swing Control)...815
Testing And Adjusting (Bucket Control)...817
PORT RELIEF VALVE (LOADER CONTROL VALVE)...819
Testing And Adjusting (Bucket Tilt)...819
Testing And Adjusting (Front Auxiliary)...821
LOADER CONTROL VALVE...823
Removal And Installation...823
Parts Identification...825
Disassembly And Assembly...826
Inlet/Outlet Valve Section...827
Lift Arm Valve Section...829
Tilt Valve Section...832
Auxiliary Valve Section...836
BACKHOE CONTROL VALVE...841
Removal And Installation...841
Parts Identification...843
Disassembly And Assembly...844
Inlet/Outlet Valve Section...846
Arm Valve Section...848
Bucket Valve Section...851
Right Stabilizer Valve Section...855
Left Stabilizer Valve Section...858
Boom Valve Section...862
Boom Swing Valve Section...865
Outlet Valve Section...868
HYDRAULIC FLUID RESERVOIR...869
Removal And Installation...869
Strainer Removal And Installation...871
HYDRAULIC FILTER HOUSING...873
Removal And Installation...873
Disassembly...874
Assembly...875
GEAR PUMP...877
Removal And Installation...877
Parts Identification...878
Disassembly And Assembly...879
Inspection...881
STEERING PUMP...883
Removal And Installation...883
Parts Identification...884
Disassembly...885
Inspection...894
Assembly...894
TRAVEL PEDAL...903
Removal And Installation...903
Parts Identification...904
Disassembly And Assembly...905
PRESS TO DRIVE VALVE...911
Removal And Installation...911
Disassembly And Assembly...913
HYDROSTATIC SYSTEM...917
HYDROSTATIC SYSTEM INFORMATION...919
Troubleshooting Chart...919
Replenishing Valve Function...920
OIL COOLER...921
Removal And Installation...921
Parts Identification...922
HYDROSTATIC DRIVE MOTOR...923
Removal And Installation...923
Parts Identification...925
Disassembly...926
Inspection...930
Assembly...932
HYDROSTATIC PUMP...937
Removal And Installation...937
Parts Identification...940
Disassembly...942
Inspection...958
Assembly...960
HYDROSTATIC TESTING...977
Pump Adjustment...977
DRIVE SYSTEM...981
PARKING BRAKE...983
Lever Removal And Installation...983
Cable Removal And Installation...984
Adjustment...986
BRAKE CALIPER...987
Removal And Installation...987
Parts Identification...990
Disassembly And Assembly...991
REAR AXLE AND DIFFERENTIAL...997
Removal And Installation...997
AXLE AND DIFFERENTIAL...1001
Troubleshooting Chart...1001
General Information...1002
Wheel Hub/Axle Parts Identification...1002
Wheel Hub/Axle Disassembly...1003
Differential Parts Identification...1006
Differential Disassembly...1007
Differential Inspection...1013
Pinion Group Parts Identification...1014
Pinion Group Disassembly...1015
Pinion Group Inspection...1018
Pinion Group Assembly...1019
Differential Assembly...1026
Wheel Hub/Axle Assembly...1035
MAIN FRAME...1039
OPERATOR CAB...1041
Removal And Installation...1041
Cab Mount Removal And Installation...1048
OPERATOR SEAT...1049
Removal And Installation...1049
FLOOR PANELS...1051
Left Front Panel Removal And Installation...1051
Right Front Panel Removal And Installation...1051
Rear Panel Removal And Installation...1052
GRILL...1053
Removal And Installation...1053
GRILL FRAME...1055
Removal And Installation...1055
ENGINE SIDE COVERS...1057
Removal And Installation...1057
FENDER...1059
Removal And Installation...1059
ENGINE COVER...1061
Removal And Installation...1061
FUEL TANK...1063
Removal And Installation...1063
Fuel Fill Screen Removal And Installation...1064
LIFT ARMS...1065
Removal And Installation...1065
BOB-TACH...1069
Removal And Installation...1069
Bob-Tach Lever And Wedge...1070
Pivot Pin Bushing Removal And Installation...1072
FRONT AXLE...1073
Removal And Installation...1073
Pivot Bushing Removal And Installation...1075
AXLE HUB (FRONT)...1077
Removal And Installation...1077
SPINDLE...1081
Removal And Installation...1081
ARM...1085
Removal And Installation...1085
Arm Pivot Bushing Removal And Installation...1087
BOOM...1089
Removal And Installation...1089
Boom Pivot Bushing Removal And Installation...1090
SWING FRAME...1091
Removal And Installation...1091
Boom Pivot Bushing Removal And Installation...1092
Trunion Bushing Removal And Installation...1093
X-CHANGE...1095
Removal And Installation...1095
BUCKET...1097
Backhoe Bucket Teeth Removal And Installation...1097
Loader Bucket Teeth Removal And Installation...1097
STABILIZER...1099
Removal And Installation...1099
ELECTRICAL SYSTEM AND ANALYSIS...1101
ELECTRICAL SCHEMATIC...1103
ELECTRICAL SYSTEM INFORMATION...1105
Troubleshooting Chart...1105
Description...1106
Fuse Location...1106
BATTERY...1107
Removal And Installation...1107
Servicing The Electrical System...1108
Using A Booster Battery (Jump Starting)...1109
ALTERNATOR...1111
Adjusting The Alternator Belt...1111
Description...1111
Tests...1112
Alternator Output Test...1112
Full Field Test...1113
Alternator Regulator Test...1113
Alternator Regulator Test With Voltmeter...1114
Removal And Installation...1115
Parts Identification...1116
Pulley Removal And Installation...1117
Disassembly And Assembly...1118
Rotor Continuity Test...1121
Stator Continuity Test...1121
Rectifier Continuity (Diode) Test...1122
Brush Length...1122
STARTER...1123
Removal And Installation...1123
Checking The Starter In The Loader...1123
Parts Identification...1125
Disassembly...1126
Inspection And Repair...1131
No Load Test...1135
Assembly...1136
CAB LIGHTS...1143
Bulb Removal And Installation...1143
Housing Removal And Installation...1145
FUEL LEVEL SENDER...1147
Removal And Installation...1147
Testing...1148
INSTRUMENT PANEL...1149
Removal And Installation...1149
ENGINE SERVICE...1151
TROUBLESHOOTING...1155
Chart...1155
ENGINE SPEED CONTROL...1157
Removal And Installation...1157
Cable Removal And Installation...1158
MUFFLER...1159
Removal And Installation...1159
AIR CLEANER...1161
Housing Removal And Installation...1161
RADIATOR...1163
Removal And Installation...1163
ENGINE COMPONENTS AND TESTING...1165
Checking Engine Compression...1165
Checking Glow Plugs...1166
Glow Plug Removal And Installation...1167
Fuel Shut-Off Solenoid Removal And Installation...1168
Checking Fuel Injection Pump...1169
Fuel Injection Pump Removal And Installation...1170
Fuel Injection Pump Timing...1172
Fuel Injector Nozzles Removal And Installation...1173
Checking Fuel Injector, Nozzles...1175
Thermostat Removal And Installation...1176
Water Pump Removal And Installation...1177
ENGINE...1179
Removal And Installation...1179
Mount Replacement...1184
RECONDITIONING THE ENGINE...1185
Timing Gear Case Cover Removal And Installation...1185
Oil Pump Removal And Installation...1187
Crankshaft Front Seal Removal And Installation...1189
Engine Speed Control Plate Removal And Installation...1190
Idle Limit And Fuel Limit Adjustment...1191
Exhaust Manifold Removal And Installation...1191
Valve Cover Removal And Installation...1192
Rocker Arm Removal And Installation...1193
Push Rod Removal And Installation...1194
Tappet Removal And Installation...1195
Water Flange Removal And Installation...1195
Cylinder Head Removal And Installation...1196
Checking Piston Top Clearance...1197
Cylinder Head Disassembly And Assembly...1198
Servicing The Cylinder Head...1199
Combustion Chamber Removal And Installation...1202
Idler Gear Removal And Installation...1203
Camshaft Removal And Installation...1204
Fuel Camshaft Removal And Installation...1206
Oil Pan Removal And Installation...1208
Governor Shaft Removal And Installation...1209
Governor Fork Lever Removal And Installation...1212
Piston Removal And Installation...1214
Checking The Piston And Connecting Rod...1214
Connecting Rod Alignment...1215
Piston Ring Gap...1215
Piston Ring Installation...1216
Connecting Rod Installation...1217
Checking Engine Cylinder Bore...1217
Crankshaft Removal And Installation...1218
Checking Crankshaft Journal And Block Bearing...1220
Checking Crankshaft Journal And Main Bearing...1221
Connecting Rod Journal...1222
Checking The End Play Of The Crankshaft...1223
Crankshaft Alignment...1223
Engine Timing Installation...1224
Timing Gear Backlash, Idler Gear And Crankshaft...1224
Idler Gear And Camshaft Gear...1225
Idler Gear And Fuel Camshaft Gear...1225
Fuel Camshaft Gear And Governor Shaft Gear...1225
FLYWHEEL HOUSING...1227
Removal And Installation...1227
FLYWHEEL...1229
Removal And Installation...1229
Ring Gear Removal And Installation...1229
RUBBER DRIVE COUPLER...1231
Removal And Installation...1231
Disassembly...1231
TURBOCHARGER...1233
Checking...1233
Description...1233
Removal And Installation...1233
FUEL PUMP...1237
Removal And Installation...1237
SPECIFICATIONS...1239
LOADER BACKHOE SPECIFICATIONS...1241
Dimensions...1241
Backhoe Rated Lift Capacity (Per SAE J31)...1242
Performance...1243
Controls...1243
Engine...1243
Hydraulic System...1244
Electrical...1245
Drive System...1245
Capacities...1245
Tires...1245
ENGINE SPECIFICATIONS...1247
Engine Compression...1247
Fuel Injection Nozzles...1247
Fuel Injection Pump...1247
Cylinder Head...1247
Valves...1247
Valve Springs...1248
Rocker Arms...1248
Camshaft...1248
Cylinders...1248
Piston Rings...1249
Pistons...1249
Crankshaft...1249
Oil Pump...1250
Thermostat...1250
Grinding Specifications for the Crankshaft...1251
LOADER BACKHOE TORQUE...1253
Specifications...1253
TORQUE SPECIFICATIONS FOR BOLTS...1255
Torque For General Metric Bolts...1255
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...1257
Specifications...1257
CONVERSIONS...1259
Decimal And Millimeter Equivalents...1259
U.S. To Metric Conversion...1259
SMR...1261
B100-1...1261
B100-2...1263
B100-3...1265
B100-4...1267
B200 Service Manual 6901848 enUS sm 06-12...1269
MAINTENANCE SAFETY...1271
ALPHABETICAL INDEX...1273
CONTENTS...1275
SAFETY INSTRUCTIONS...1279
Fire Prevention...1281
SERIAL NUMBER LOCATION...1283
Loader Backhoe Serial Number...1283
Engine Serial Number...1283
DELIVERY REPORT...1283
BOBCAT LOADER IDENTIFICATION...1284
SAFETY & MAINTENANCE...1285
LIFTING AND BLOCKING THE LOADER BACKHOE...1287
Procedure...1287
LIFT ARM SUPPORT DEVICE...1289
Installing The Lift Arm Support Device...1289
Removing The Lift Arm Support Device...1290
ENGINE COVER...1291
TRANSPORTING THE LOADER BACKHOE...1293
Procedure...1293
TOWING THE LOADER BACKHOE...1295
Procedure...1295
AXLE TOE-IN...1297
Adjustment...1297
SERVICE SCHEDULE...1299
Chart...1299
AIR CLEANER SERVICE...1301
Replacing Filter Element...1301
ENGINE COOLING SYSTEM...1303
Coolant Replacement...1303
FUEL SYSTEM...1305
Fuel Specifications...1305
Filling The Fuel Tank...1305
Fuel Filter...1306
Removing Air From The Fuel System...1306
ENGINE LUBRICATION SYSTEM...1307
Checking Engine Oil...1307
Oil Chart...1307
Replacing Oil And Filter...1308
HYDRAULIC/HYDROSTATIC SYSTEM...1311
Checking And Adding Fluid...1311
Cleaning The Cooler...1311
Replacing Hydraulic/Hydrostatic Filter...1312
Replacing Hydraulic Fluid...1313
REAR AXLE...1315
Checking Oil Level...1315
Draining Oil...1315
FRONT AXLE...1316
Checking Oil Level...1316
Draining Oil...1316
BACKHOE BOOM LOCK...1317
Disengaging The Boom Lock...1317
Engaging Boom Lock...1318
BOB-TACH HAND LEVER...1319
Inspection And Maintenance...1319
ALTERNATOR BELT...1321
Adjusting The Alternator Belt...1321
LUBRICATING THE LOADER BACKHOE...1323
TIRE MAINTENANCE...1329
Wheel Nuts...1329
Mounting...1329
Tire Pressure...1329
HYDRAULIC SYSTEM...1331
HYDRAULIC/HYDROSTATIC SCHEMATIC...1335
HYDRAULIC SYSTEM INFORMATION...1337
Troubleshooting...1341
Description...1342
ARM CYLINDER...1343
Checking...1343
Removal And Installation...1345
Parts Identification...1347
Disassembly...1348
Assembly...1351
BOOM CYLINDER...1355
Checking...1355
Removal And Installation...1356
Parts Identification...1358
Disassembly...1359
Assembly...1362
SWING CYLINDER...1365
Removal And Installation...1365
Bushing Removal And Installation...1366
Parts Identification (Left Side)...1367
Parts Identification (Right Side)...1368
Disassembly...1369
Assembly...1372
BUCKET CYLINDER...1375
Checking...1375
Removal And Installation...1377
Parts Identification...1379
Disassembly...1380
Assembly...1383
STABILIZER CYLINDER...1387
Checking...1387
Removal And Installation...1389
Parts Identification...1391
Disassembly...1392
Assembly...1395
TILT CYLINDER...1399
Checking...1399
Removal And Installation...1400
Parts Identification (Left Side)...1402
Parts Identification (Right Side)...1403
Disassembly...1404
Assembly...1407
LIFT CYLINDER...1411
Checking...1411
Removal And Installation...1412
Parts Identification...1413
Disassembly...1414
Assembly...1417
STEERING CYLINDER...1421
Removal And Installation...1421
Parts Identification...1425
Disassembly And Assembly...1426
Inspection...1429
MAIN RELIEF VALVE...1431
Testing The Main Relief Valve...1431
Adjustment...1432
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...1433
Testing And Adjusting (Arm Control)...1433
Testing And Adjusting (Boom Control)...1435
Testing And Adjusting (Boom Swing Control)...1437
PORT RELIEF VALVE (LOADER CONTROL VALVE)...1439
Testing And Adjusting (Bucket Tilt)...1439
Testing And Adjusting (Front Auxiliary)...1441
LOADER CONTROL VAVLE...1443
Removal And Installation...1443
Parts Identification...1445
Disassembly And Assembly...1446
Inlet/Outlet Valve Section...1447
Lift Arm Valve Section...1449
Tilt Valve Section...1452
Auxiliary Valve Section...1456
BACKHOE CONTROL VALVE...1461
Removal And Installation...1461
Parts Identification...1463
Disassembly And Assembly...1464
Inlet/Outlet Valve Section...1466
Arm Valve Section...1468
Tilt Valve Section...1471
Right Stabilizer Valve Section...1474
Left Stabilizer Valve Section...1477
Boom Valve Section...1481
Boom Swing Valve Section...1484
Outlet Valve Section...1487
HYDRAULIC FLUID RESERVOIR...1489
Removal And Installation...1489
Filter Removal And Installation...1491
HYDRAULIC FILTER HOUSING...1493
Removal And Installation...1493
Disassembly...1494
Assembly...1495
GEAR PUMP...1497
Removal And Installation...1497
Parts Identification...1498
Disassembly And Assembly...1499
Inspection...1501
STEERING PUMP...1503
Removal And Installation...1503
Parts Identification...1506
Disassembly...1507
Inspection...1516
Assembly...1516
TRAVEL PEDAL...1525
Removal And Installation...1525
Parts Identification...1526
Disassembly And Assembly...1527
HYDROSTATIC SYSTEM...1533
HYDROSTATIC SYSTEM INFORMATION...1535
Troubleshooting Chart...1535
Replenishing Valve Function...1536
OIL COOLER...1537
Removal And Installation...1537
Parts Identification...1540
Disassembly...1541
Assembly...1543
HYDROSTATIC DRIVE MOTOR...1547
Removal And Installation...1547
Parts Identification...1549
Disassembly...1550
Inspection...1554
Assembly...1556
HYDROSTATIC PUMP...1561
Removal And Installation...1561
Parts Identification...1564
Disassembly...1566
Inspection...1582
Assembly...1584
HYDROSTATIC TESTING...1599
Pump Adjustment...1599
DRIVE SYSTEM...1603
PARKING BRAKE...1605
Lever Removal And Installation...1605
Cable Removal And Installation...1606
Adjustment...1609
BRAKE CALIPER...1611
Removal And Installation...1611
Parts Identification...1614
Disassembly And Assembly...1615
BRAKE CALIPER...1621
Removal And Installation...1621
Parts Identification...1624
Disassembly And Assembly...1625
REAR AXLE...1631
Removal...1631
Installation...1633
AXLE AND DIFFERENTIAL (REAR)...1637
Troubleshooting Chart...1637
General Information...1638
Wheel Hub/Axle Parts Identification...1638
Wheel Hub/Axle Disassembly...1639
Differential Parts Identification...1642
Differential Disassembly...1643
Differential Inspection...1649
Pinion Group Parts identification...1650
Pinion Group Disassembly...1651
Pinion Group Inspection...1654
Pinion Group Assembly...1655
Differential Assembly...1662
Wheel Hub/Axle Assembly...1671
FRONT AXLE...1675
Removal...1675
Installation...1677
DRIVESHAFT...1679
Removal And Installation...1679
DROP BOX...1681
Removal And Installation...1681
Parts Identification...1684
Disassembly...1685
Inspection...1692
Assembly...1692
MAIN FRAME...1697
OPERATOR CAB...1699
Removal And Installation...1699
Cab Mount Removal And Installation...1706
OPERATOR SEAT...1707
Removal And Installation...1707
FLOOR PANELS...1709
Left Front Panel Removal And Installation...1709
Right Front Panel Removal And Installation...1709
Rear Panel Removal And Installation...1710
GRILL...1711
Removal And Installation...1711
GRILL FRAME...1713
Removal And Installation...1713
ENGINE SIDE COVERS...1715
Removal And Installation...1715
FENDER...1717
Removal And Installation...1717
ENGINE COVER...1719
Removal And Installation...1719
FUEL TANK...1721
Removal And Installation...1721
Fuel Fill Screen Removal And Installation...1722
LIFT ARMS...1723
Removal And Installation...1723
BOB-TACH...1727
Removal And Installation...1727
Bob-Tach Lever And Wedge...1729
Pivot Pin Bushing Removal And Installation...1731
ARM...1733
Removal And Installation...1733
Arm Pivot Bushing Removal And Installation...1734
BOOM...1735
Removal And Installation...1735
Boom Pivot Bushing Removal And Installation...1737
SWING FRAME...1739
Removal And Installation...1739
Bushing Removal And Installation...1740
X-CHANGE™...1741
Removal And Installation...1741
CAB DOOR...1743
Removal And Installation...1743
STABILIZER...1745
Removal And Installation...1745
FRONT AXLE PIVOT FRAME...1749
Removal...1749
Installation...1750
Bushing Removal And Installation...1751
ELECTRICAL SYSTEM AND ANALYSIS...1753
ELECTRICAL SCHEMATIC...1755
ELECTRICAL SYSTEM INFORMATION...1757
Troubleshooting Chart...1757
Description...1758
Fuse Location...1758
BATTERY...1759
Removal And Installation...1759
Servicing The Electrical System...1760
Using A Booster Battery (Jump Starting)...1761
ALTERNATOR...1763
Adjusting The Alternator Belt...1763
Description...1763
Tests...1764
Alternator Output Test...1764
Full Field Test...1765
Alternator Regulator Test...1765
Alternator Regulator Test With Voltmeter...1766
Removal And Installation...1767
Parts Identification...1768
Pulley Removal And Installation...1769
Disassembly And Assembly...1770
Rotor Continuity Test...1773
Stator Continuity Test...1773
Rectifier Continuity (Diode) Test...1774
Brush Length...1774
STARTER...1775
Removal And Installation...1775
Checking The Starter In The Loader...1775
Parts Identification...1777
Disassembly...1778
Inspection And Repair...1783
No Load Test...1787
Assembly...1788
FRONT LIGHTS...1795
Bulb Removal And Installation...1795
Housing Removal And Installation...1797
TURN INDICATOR LIGHTS (FRONT)...1799
Bulb Removal And Installation...1799
TURN INDICATOR LIGHTS (REAR)...1801
Bulb Removal And Installation...1801
CAB LIGHTS...1803
Bulb Removal And Installation...1803
Housing Removal And Installation...1805
FUEL LEVEL SENDER...1807
Removal And Installation...1807
INSTRUMENT PANEL...1809
Removal And Installation...1809
ENGINE SERVICE...1811
TROUBLESHOOTING...1815
Chart...1815
ENGINE SPEED CONTROL...1817
Removal And Installation...1817
Cable Removal And Installation...1818
MUFFLER...1819
Removal And Installation...1819
AIR CLEANER...1821
Removal And Installation...1821
RADIATOR...1823
Removal And Installation...1823
ENGINE COMPONENTS AND TESTING...1825
Checking Engine Compression...1825
Checking Glow Plugs...1826
Glow Plug Removal And Installation...1827
Fuel Shut-Off Solenoid Removal And Installation...1828
Checking Fuel Injection Pump...1829
Fuel Injection Pump Removal And Installation...1830
Fuel Injection Pump Timing...1832
Fuel Injector Nozzles Removal And Installation...1833
Checking Fuel Injector, Nozzles...1835
Thermostat Removal And Installation...1836
Water Pump Removal And Installation...1837
ENGINE...1839
Removal And Installation...1839
Mount Replacement...1843
RECONDITIONING THE ENGINE...1845
Timing Gear Case Cover Removal And Installation...1845
Oil Pump Removal And Installation...1847
Crankshaft Front Seal Removal And Installation...1849
Engine Speed Control Plate Removal And Installation...1850
Idle Limit And Fuel Limit Adjustment...1851
Exhaust Manifold Removal And Installation...1851
Valve Cover Removal And Installation...1852
Rocker Arm Removal And Installation...1853
Push Rod Removal And Installation...1854
Tappet Removal And Installation...1855
Water Flange Removal And Installation...1855
Cylinder Head Removal And Installation...1856
Checking Piston Top Clearance...1857
Cylinder Head Disassembly And Assembly...1858
Servicing The Cylinder Head...1859
Combustion Chamber Removal And Installation...1862
Idler Gear Removal And Installation...1863
Camshaft Removal And Installation...1864
Fuel Camshaft Removal And Installation...1866
Oil Pan Removal And Installation...1868
Governor Shaft Removal And Installation...1869
Governor Fork Lever Removal And Installation...1872
Piston Removal And Installation...1874
Checking The Piston And Connecting Rod...1874
Connecting Rod Alignment...1875
Piston Ring Gap...1875
Piston Ring Installation...1876
Connecting Rod Installation...1877
Checking Engine Cylinder Bore...1877
Crankshaft Removal And Installation...1878
Checking Crankshaft Journal And Block Bearing...1880
Checking Crankshaft Journal And Main Bearing...1881
Connecting Rod Journal...1882
Checking The End Play Of The Crankshaft...1883
Crankshaft Alignment...1883
Engine Timing Installation...1884
Timing Gear Backlash, Idler Gear And Crankshaft...1884
Idler Gear And Camshaft Gear...1885
Idler Gear And Fuel Camshaft Gear...1885
Fuel Camshaft Gear And Governor Shaft Gear...1885
FLYWHEEL HOUSING...1887
Removal And Installation...1887
FLYWHEEL...1889
Removal And Installation...1889
Ring Gear Removal And Installation...1889
RUBBER DRIVE COUPLER...1891
Removal And Installation...1891
Disassembly...1891
TURBOCHARGER...1893
Removal And Installation...1893
SPECIFICATIONS...1897
LOADER SPECIFICATIONS...1899
Loader Backhoe Dimensions...1899
Performance...1900
Controls...1900
Engine...1900
Electrical...1901
Drive System...1901
Capacities...1901
Tires...1901
ENGINE SPECIFICATIONS...1903
Engine Compression...1903
Fuel Injection Nozzles...1903
Fuel Injection Pump...1903
Cylinder Head...1903
Valves...1903
Valve Springs...1904
Rocker Arms...1904
Camshaft...1904
Cylinders...1904
Piston Rings...1905
Pistons...1905
Crankshaft...1905
Oil Pump...1906
Thermostat...1906
Grinding Specifications for the Crankshaft...1907
LOADER BACKHOE TORQUE...1909
Specifications...1909
TORQUE SPECIFICATIONS FOR BOLTS...1911
Torque For General Metric Bolts...1911
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...1913
Specifications...1913
CONVERSIONS...1915
Decimal And Millimeter Equivalents...1915
U.S. To Metric Conversion...1915
SMR...1917
B200-1...1917
B200-2...1919
B200-3...1921
B200-4...1923
B200-5...1925
B200-6...1927
B200-7...1929
B250 Service Manual 6901852 enUS sm 06-12...1931
MAINTENANCE SAFETY...1933
ALPHABETICAL INDEX...1935
CONTENTS...1937
SAFETY INSTRUCTIONS...1941
Fire Prevention...1943
SERIAL NUMBER LOCATION...1945
Loader Backhoe Serial Number...1945
Engine Serial Number...1945
DELIVERY REPORT...1945
BOBCAT LOADER IDENTIFICATION...1946
SAFETY & MAINTENANCE...1947
LIFTING AND BLOCKING THE LOADER BACKHOE...1949
Procedure...1949
LIFT ARM SUPPORT DEVICE...1951
Installing The Lift Arm Support Device...1951
Removing The Lift Arm Support Device...1952
ENGINE COVER...1953
TRANSPORTING THE LOADER BACKHOE...1955
Procedure...1955
TOWING THE LOADER BACKHOE...1957
Procedure...1957
AXLE TOE-IN...1959
Adjustment...1959
SERVICE SCHEDULE...1961
Chart...1961
AIR CLEANER SERVICE...1963
Replacing Filter Element...1963
ENGINE COOLING SYSTEM...1965
Coolant Replacement...1965
FUEL SYSTEM...1967
Fuel Specifications...1967
Filling The Fuel Tank...1967
Fuel Filter...1968
Removing Air From The Fuel System...1968
ENGINE LUBRICATION SYSTEM...1969
Checking Engine Oil...1969
Oil Chart...1969
Replacing Oil And Filter...1970
HYDRAULIC/HYDROSTATIC SYSTEM...1973
Checking And Adding Fluid...1973
Cleaning The Cooler...1973
Replacing Hydraulic/Hydrostatic Filter...1974
Replacing Hydraulic Fluid...1975
REAR AXLE...1977
Checking Oil Level...1977
Draining Oil...1977
FRONT AXLE...1978
Checking Oil Level...1978
Draining Oil...1978
BACKHOE BOOM LOCK...1979
Disengaging The Boom Lock...1979
Engaging Boom Lock...1980
BOB-TACH HAND LEVER...1981
Inspection And Maintenance...1981
ALTERNATOR BELT...1983
Adjusting The Alternator Belt...1983
LUBRICATING THE LOADER BACKHOE...1985
TIRE MAINTENANCE...1991
Wheel Nuts...1991
Mounting...1991
Tire Pressure...1991
HYDRAULIC SYSTEM...1993
HYDRAULIC/HYDROSTATIC SCHEMATICS...1997
HYDRAULIC SYSTEM INFORMATION...1999
Troubleshooting...2003
Description...2004
ARM CYLINDER...2005
Checking...2005
Removal And Installation...2007
Parts Identification...2009
Disassembly...2010
Assembly...2013
BOOM CYLINDER...2017
Checking...2017
Removal And Installation...2018
Parts Identification...2020
Disassembly...2021
Assembly...2024
SWING CYLINDER...2027
Removal And Installation...2027
Parts Identification (Left Side)...2029
Parts Identification (Right Side)...2030
Disassembly...2031
Assembly...2034
BUCKET CYLINDER...2037
Checking...2037
Removal And Installation...2039
Parts Identification...2041
Disassembly...2042
Assembly...2045
STABILIZER CYLINDER...2049
Checking...2049
Removal And Installation...2050
Parts Identification...2052
Disassembly...2053
Assembly...2060
SIDE SHIFT LOCK CYLINDER...2067
Disassembly...2067
Inspection...2070
Assembly...2071
Parts Identification...2074
TILT CYLINDER...2075
Checking...2075
Removal And Installation...2076
Parts Identification (Left Side)...2078
Parts Identification (Right Side)...2079
Disassembly...2080
Assembly...2083
LIFT CYLINDER...2087
Checking...2087
Removal And Installation...2088
Parts Identification...2089
Disassembly...2090
Assembly...2093
STEERING CYLINDER (FRONT)...2097
Removal And Installation...2097
STEERING CYLINDER (FRONT) (CONT’D)...2101
Parts Identification...2101
Disassembly And Assembly...2102
Inspection...2105
STEERING CYLINDER (REAR)...2107
Removal And Installation...2107
Parts Identification...2110
Disassembly And Assembly...2111
Inspection...2114
MAIN RELIEF VALVE...2117
Testing The Main Relief Valve...2117
Adjustment...2118
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...2119
Testing And Adjusting (Arm Control)...2119
Testing And Adjusting (Boom Control)...2121
Testing And Adjusting (Boom Swing Control)...2123
PORT RELIEF VALVE (LOADER CONTROL VALVE)...2125
Testing And Adjusting (Bucket Tilt)...2125
Testing And Adjusting (Front Auxiliary)...2127
LOADER CONTROL VALVE...2129
Removal And Installation...2129
Parts Identification...2131
Disassembly And Assembly...2132
Inlet/Outlet Valve Section...2133
Lift Arm Valve Section...2135
Tilt Valve Section...2138
Auxiliary Valve Section...2142
BACKHOE CONTROL VALVE...2147
Removal And Installation...2147
Parts Identification...2149
Disassembly And Assembly...2150
Inlet/Outlet Valve Section...2152
Arm Valve Section...2154
Tilt Valve Section...2157
Right Stabilizer Valve Section...2160
Left Stabilizer Valve Section...2163
Boom Valve Section...2167
Boom Swing Valve Section...2170
Outlet Valve Section...2173
HYDRAULIC FLUID RESERVOIR...2175
Removal And Installation...2175
Filter Removal And Installation...2177
HYDRAULIC FILTER HOUSING...2179
Removal And Installation...2179
Disassembly...2180
Assembly...2181
GEAR PUMP...2183
Removal And Installation...2183
Parts Identification...2184
Disassembly And Assembly...2185
Inspection...2187
STEERING PUMP...2189
Removal And Installation...2189
Parts Identification...2192
Disassembly...2193
Inspection...2202
Assembly...2202
TRAVEL PEDAL...2211
Removal And Installation...2211
Parts Identification...2212
Disassembly And Assembly...2213
STEERING VALVE...2219
Removal And Installation...2219
Description...2220
Wheel Alignment Procedure...2220
HYDROSTATIC SYSTEM...2221
HYDROSTATIC SYSTEM INFORMATION...2223
Troubleshooting Chart...2223
Replenishing Valve Function...2224
OIL COOLER...2225
Removal And Installation...2225
Parts Identification...2227
Disassembly...2228
Assembly...2230
HYDROSTATIC DRIVE MOTOR...2233
Removal And Installation...2233
Parts Identification...2235
Disassembly...2236
Inspection...2240
Assembly...2242
HYDROSTATIC PUMP...2247
Removal And Installation...2247
Parts Identification...2250
Disassembly...2252
Inspection...2268
Assembly...2270
HYDROSTATIC TESTING...2285
Pump Adjustment...2285
DRIVE SYSTEM...2289
PARKING BRAKE...2291
Lever Removal And Installation...2291
Cable Removal And Installation...2292
Adjustment...2295
BRAKE CALIPER...2297
Removal And Installation...2297
Parts Identification...2300
Disassembly And Assembly...2301
BRAKE CALIPER...2307
Removal And Installation...2307
Parts Identification...2310
Disassembly And Assembly...2311
REAR AXLE...2317
Removal...2317
Installation...2320
AXLE AND DIFFERENTIAL (REAR)...2323
Troubleshooting Chart...2323
General Information...2324
Wheel Hub/Spindle Parts Identification...2324
Wheel Hub/Spindle Disassembly...2325
Drive Axle Parts Identification...2329
Drive Axle Disassembly...2330
Steering Knuckle Parts Identification...2333
Steering Knuckle Disassembly...2334
Differential Parts Identification...2337
Differential Disassembly...2338
Differential Inspection...2344
Pinion Group Parts Identification...2345
Pinion Group Disassembly...2346
Pinion Group Inspection...2349
Pinion Group Assembly...2350
Differential Assembly...2357
Steering Knuckle Assembly...2366
Drive Axle Assembly...2369
Wheel Hub/Spindle Assembly...2372
STEERING ANGLE ADJUSTMENT (REAR AXLE)...2377
Adjustment...2377
FRONT AXLE...2379
Removal...2379
Installation...2381
AXLE AND DIFFERENTIAL (FRONT)...2383
Troubleshooting Chart...2383
General Information...2384
Wheel Hub/Spindle Parts Identification...2384
Wheel Hub/Spindle Disassembly...2385
Drive Axle Parts Identification...2389
Drive Axle Disassembly...2390
Steering Knuckle Parts Identification...2393
Steering Knuckle Disassembly...2394
Differential Parts Identification...2397
Differential Disassembly...2398
Differential Inspection...2404
Pinion Group Parts Identification...2405
Pinion Group Disassembly...2406
Pinion Group Inspection...2409
Pinion Group Assembly...2410
Differential Assembly...2417
Steering Knuckle Assembly...2426
Drive Axle Assembly...2429
Wheel Hub/Spindle Assembly...2432
STEERING ANGLE ADJUSTMENT (FRONT AXLE)...2437
Adjustment...2437
DRIVESHAFT...2439
Removal And Installation...2439
DROP BOX...2441
Removal And Installation...2441
Parts Identification...2444
Disassembly...2445
Inspection...2452
Assembly...2452
MAIN FRAME...2457
OPERATOR CAB...2459
Not Available At Time Of Printing...2459
ENCLOSED CAB...2461
Removal And Installation...2461
Cab Mount Removal And Installation...2469
OPERATOR SEAT...2471
Removal And Installation...2471
FLOOR PANELS...2473
Left Front Panel Removal And Installation...2473
Right Front Panel Removal And Installation...2473
Rear Panel Removal And Installation...2474
GRILL...2475
Removal And Installation...2475
GRILL FRAME...2477
Removal And Installation...2477
ENGINE SIDE COVERS...2479
Removal And Installation...2479
FENDER...2481
Removal And Installation...2481
ENGINE COVER...2483
Removal And Installation...2483
FUEL TANK...2485
Removal And Installation...2485
Fuel Fill Screen Removal And Installation...2486
LIFT ARMS...2487
Removal And Installation...2487
BOB-TACH...2491
Removal And Installation...2491
Bob-Tach Lever And Wedge...2493
Pivot Pin Bushing Removal And Installation...2495
ARM...2497
Removal And Installation...2497
Arm Pivot Bushing Removal And Installation...2498
BOOM...2499
Removal And Installation...2499
SWING FRAME...2503
Removal And Installation...2503
Bushing Removal And Installation...2504
X-CHANGE™...2505
Removal And Installation...2505
BUCKET...2507
Backhoe Bucket Teeth Removal And Installation...2507
Loader Bucket Teeth Removal And Installation...2507
STABILIZER FRAME...2509
Removal And Installation...2509
FRONT AXLE PIVOT FRAME...2519
Removal...2519
Installation...2520
Bushing Removal And Installation...2521
REAR WINDOW...2523
Removal And Installation...2523
CAB DOOR...2527
Removal And Installation...2527
ELECTRICAL SYSTEM AND ANALYSIS...2529
ELECTRICAL SCHEMATICS...2531
ELECTRICAL SYSTEM INFORMATION...2533
Troubleshooting Chart...2533
Description...2534
Fuse Location...2534
BATTERY...2535
Removal And Installation...2535
Servicing The Electrical System...2536
Using A Booster Battery (Jump Starting)...2537
ALTERNATOR...2539
Adjusting The Alternator Belt...2539
Description...2539
Tests...2540
Alternator Output Test...2540
Full Field Test...2541
Alternator Regulator Test...2541
Alternator Regulator Test With Voltmeter...2542
Removal And Installation...2543
Parts Identification...2544
Pulley Removal And Installation...2545
Disassembly And Assembly...2546
Rotor Continuity Test...2549
Stator Continuity Test...2549
Rectifier Continuity (Diode) Test...2550
Brush Length...2550
STARTER...2551
Removal And Installation...2551
Checking The Starter In The Loader...2551
Parts Identification...2553
Disassembly...2554
Inspection And Repair...2559
No Load Test...2563
Assembly...2564
FRONT LIGHTS...2571
Bulb Removal And Installation...2571
Housing Removal And Installation...2573
TURN INDICATOR LIGHTS (FRONT)...2575
Bulb Removal And Installation...2575
TURN INDICATOR LIGHTS (REAR)...2577
Bulb Removal And Installation...2577
CAB LIGHTS...2579
Bulb Removal And Installation...2579
Housing Removal And Installation...2581
FUEL LEVEL SENDER...2583
Removal And Installation...2583
INSTRUMENT PANEL...2585
Removal And Installation...2585
FRONT WIPER...2587
Removal And Installation...2587
REAR WIPER...2591
Removal And Installation...2591
ENGINE SERVICE...2593
TROUBLESHOOTING...2597
Chart...2597
ENGINE SPEED CONTROL...2599
Removal And Installation...2599
Cable Removal And Installation...2600
MUFFLER...2601
Removal And Installation...2601
AIR CLEANER...2603
Removal And Installation...2603
RADIATOR...2605
Removal And Installation...2605
ENGINE COMPONENTS AND TESTING...2607
Checking Engine Compression...2607
Checking Glow Plugs...2608
Glow Plug Removal And Installation...2609
Fuel Shut-Off Solenoid Removal And Installation...2610
Checking Fuel Injection Pump...2611
Fuel Injection Pump Removal And Installation...2612
Fuel Injection Pump Timing...2614
Fuel Injector Nozzles Removal And Installation...2615
Checking Fuel Injector, Nozzles...2617
Thermostat Removal And Installation...2618
Water Pump Removal And Installation...2619
ENGINE...2621
Removal And Installation...2621
Mount Replacement...2625
RECONDITIONING THE ENGINE...2627
Timing Gear Case Cover Removal And Installation...2627
Oil Pump Removal And Installation...2629
Crankshaft Front Seal Removal And Installation...2631
Engine Speed Control Plate Removal And Installation...2632
Idle Limit And Fuel Limit Adjustment...2633
Exhaust Manifold Removal And Installation...2633
Valve Cover Removal And Installation...2634
Rocker Arm Removal And Installation...2635
Push Rod Removal And Installation...2636
Tappet Removal And Installation...2637
Water Flange Removal And Installation...2637
Cylinder Head Removal And Installation...2638
Checking Piston Top Clearance...2639
Cylinder Head Disassembly And Assembly...2640
Servicing The Cylinder Head...2641
Combustion Chamber Removal And Installation...2644
Idler Gear Removal And Installation...2645
Camshaft Removal And Installation...2646
Fuel Camshaft Removal And Installation...2648
Oil Pan Removal And Installation...2650
Governor Shaft Removal And Installation...2651
Governor Fork Lever Removal And Installation...2654
Piston Removal And Installation...2656
Checking The Piston And Connecting Rod...2656
Connecting Rod Alignment...2657
Piston Ring Gap...2657
Piston Ring Installation...2658
Connecting Rod Installation...2659
Checking Engine Cylinder Bore...2659
Crankshaft Removal And Installation...2660
Checking Crankshaft Journal And Block Bearing...2662
Checking Crankshaft Journal And Main Bearing...2663
Connecting Rod Journal...2664
Checking The End Play Of The Crankshaft...2665
Crankshaft Alignment...2665
Engine Timing Installation...2666
Timing Gear Backlash, Idler Gear And Crankshaft...2666
Idler Gear And Camshaft Gear...2667
Idler Gear And Fuel Camshaft Gear...2667
Fuel Camshaft Gear And Governor Shaft Gear...2667
FLYWHEEL HOUSING...2669
Removal And Installation...2669
FLYWHEEL...2671
Removal And Installation...2671
Ring Gear Removal And Installation...2671
RUBBER DRIVE COUPLER...2673
Removal And Installation...2673
Disassembly...2673
TURBOCHARGER...2675
HEATER...2677
COMPONENTS...2679
Identification...2679
HEATER FAN...2681
Removal And Installation...2681
HEATER UNIT...2683
Removal And Installation...2683
Disassembly And Assembly...2685
SPECIFICATIONS...2687
LOADER SPECIFICATIONS...2689
Loader Backhoe Dimensions...2689
Performance...2690
Controls...2690
Engine...2690
Electrical...2691
Drive System...2691
Capacities...2691
Tires...2691
ENGINE SPECIFICATIONS...2693
Engine Compression...2693
Fuel Injection Nozzles...2693
Fuel Injection Pump...2693
Cylinder Head...2693
Valves...2693
Valve Springs...2694
Rocker Arms...2694
Camshaft...2694
Cylinders...2694
Piston Rings...2695
Pistons...2695
Crankshaft...2695
Oil Pump...2696
Thermostat...2696
Grinding Specifications for the Crankshaft...2697
LOADER BACKHOE TORQUE...2699
Specifications...2699
TORQUE SPECIFICATIONS FOR BOLTS...2701
Torque For General Metric Bolts...2701
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...2703
Specifications...2703
CONVERSIONS...2705
Decimal And Millimeter Equivalents...2705
U.S. To Metric Conversion...2705
SMR...2707
B250-1...2707
B250-2...2709
B250-3...2711
B250-4...2713
B250-5...2715
B250-6...2717
B250 Service Manual 6902715 enUS sm 06-12...2719
MAINTENANCE SAFETY...2721
ALPHABETICAL INDEX...2723
CONTENTS...2725
FOREWORD...2726
SAFETY INSTRUCTIONS...2729
Fire Prevention...2731
SERIAL NUMBER LOCATION...2733
Loader Backhoe Serial Number...2733
Engine Serial Number...2733
DELIVERY REPORT...2733
BOBCAT LOADER IDENTIFICATION...2734
SAFETY & MAINTENANCE...2735
LIFTING AND BLOCKING THE LOADER BACKHOE...2737
Procedure...2737
APPROVED LIFT ARM SUPPORT DEVICE...2739
Installing The Approved Lift Arm Support Device...2739
Removing The Approved Lift Arm Support Device...2740
ENGINE COVER...2741
TRANSPORTING THE LOADER BACKHOE...2743
Procedure...2743
TOWING THE LOADER BACKHOE...2745
Procedure...2745
AXLE TOE-IN...2747
Adjustment...2747
SERVICE SCHEDULE...2749
Chart...2749
AIR CLEANER SERVICE...2751
Replacing The Filter...2751
ENGINE COOLING SYSTEM...2753
Coolant Replacement...2753
FUEL SYSTEM...2755
Fuel Specifications...2755
Filling The Fuel Tank...2755
Fuel Filter...2755
Removing Air From The Fuel System...2756
ENGINE LUBRICATION SYSTEM...2757
Checking Engine Oil...2757
Oil Chart...2757
Replacing The Oil And Filter...2757
HYDRAULIC/HYDROSTATIC SYSTEM...2759
Checking And Adding Fluid...2759
Cleaning The Cooler...2760
Replacing Hydraulic/Hydrostatic Filter...2760
Replacing Hydraulic Fluid...2761
REAR AXLE...2763
Checking Oil Level...2763
Draining Oil...2763
FRONT AXLE...2765
Checking Oil Level...2765
Draining Oil...2765
BOOM LOCK PIN...2767
Engaging And Disengaging The Pin...2767
BOB-TACH...2769
Inspection And Maintenance...2769
ALTERNATOR BELT...2771
Adjusting The Alternator Belt...2771
LUBRICATING THE LOADER BACKHOE...2773
TIRE MAINTENANCE...2779
Wheel Nuts...2779
Tire Mounting...2779
Tire Pressure...2779
SWING LOCK PIN...2781
Engaging The Swing Lock Pin...2781
HYDRAULIC SYSTEM...2783
HYDRAULIC/HYDROSTATIC SCHEMATIC...2787
HYDRAULIC SYSTEM INFORMATION...2789
Troubleshooting...2793
Description...2794
ARM CYLINDER...2795
Checking...2795
Removal And Installation...2796
Parts Identification...2799
Disassembly...2800
Assembly...2802
BOOM CYLINDER...2805
Checking...2805
Removal And Installation...2807
Parts Identification...2810
Disassembly...2811
Assembly...2813
SWING CYLINDER...2815
Checking...2815
Removal And Installation...2816
Parts Identification...2818
Disassembly...2819
Assembly...2821
Bushing Removal And Installation...2823
BUCKET CYLINDER...2825
Checking...2825
Removal And Installation...2827
Parts Identification...2830
Disassembly...2831
Assembly...2833
STABILIZER CYLINDER...2835
Checking...2835
Removal And Installation...2836
Parts Identification...2839
Disassembly...2840
Assembly...2844
SIDE SHIFT LOCK CYLINDER...2847
Removal And Installation...2847
Parts Identification...2849
Disassembly...2850
Assembly...2851
TILT CYLINDER...2853
Checking...2853
Removal And Installation...2854
Parts Identification...2856
Disassembly...2857
Assembly...2859
LIFT CYLINDER...2861
Checking...2861
Removal And Installation...2862
Parts Identification...2864
Disassembly...2865
Assembly...2867
STEERING CYLINDER (FRONT)...2869
Removal And Installation...2869
Parts Identification...2873
Disassembly And Assembly...2874
Inspection...2877
STEERING CYLINDER (REAR)...2879
Removal And Installation...2879
Parts Identification...2882
Disassembly And Assembly...2883
Inspection...2886
MAIN RELIEF VALVE...2889
Testing The Main Relief Valve...2889
Adjustment...2890
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...2891
Testing And Adjusting (Arm Control)...2891
Testing And Adjusting (Boom Control)...2893
Testing And Adjusting (Boom Swing Control)...2895
PORT RELIEF VALVE (LOADER CONTROL VALVE)...2897
Testing And Adjusting (Bucket Tilt)...2897
Testing And Adjusting (Front Auxiliary)...2899
LOADER CONTROL VALVE...2901
Removal And Installation...2901
Parts Identification...2903
Disassembly And Assembly...2904
Inlet/Outlet Valve Section...2905
Lift Arm Valve Section...2907
Tilt Valve Section...2910
Auxiliary Valve Section...2914
BACKHOE CONTROL VALVE...2919
Removal And Installation...2919
Parts Identification...2921
Disassembly And Assembly...2922
Inlet/Outlet Valve Section...2923
Arm Valve Section...2926
Tilt Valve Section...2929
Right Stabilizer Valve Section...2932
Left Stabilizer Valve Section...2935
Boom Valve Section...2939
Boom Swing Valve Section...2942
Outlet Valve Section...2945
HYDRAULIC FLUID RESERVOIR...2947
Removal And Installation...2947
Strainer Removal And Installation...2949
HYDRAULIC FILTER HOUSING...2951
Removal And Installation...2951
Disassembly...2952
Assembly...2953
GEAR PUMP...2955
Removal And Installation...2955
Parts Identification...2956
Disassembly And Assembly...2957
Inspection...2959
STEERING PUMP...2961
Removal And Installation...2961
Parts Identification...2962
Disassembly...2963
Inspection...2972
Assembly...2972
TRAVEL PEDAL...2981
Removal And Installation...2981
Parts Identification...2982
Disassembly And Assembly...2983
STEERING VALVE...2989
Removal And Installation...2989
Description...2990
Wheel Alignment Procedure...2990
SAPR BRAKE CYLINDER...2991
Removal And Installation...2991
Parts Identification...2993
Disassembly...2994
Assembly...2996
SAPR BRAKE CONTROL VALVE...2999
Removal And Installation...2999
Parts Identification...3000
Disassembly And Assembly...3001
HYDROSTATIC SYSTEM...3003
HYDROSTATIC SYSTEM INFORMATION...3005
Troubleshooting Chart...3005
Replenishing Valve Function...3006
OIL COOLER...3007
Removal And Installation...3007
Parts Identification...3008
HYDROSTATIC DRIVE MOTOR...3009
Removal And Installation...3009
Parts Identification...3010
Disassembly...3011
Inspection...3015
Assembly...3017
HYDROSTATIC PUMP...3023
Removal And Installation...3023
Parts Identification...3026
Disassembly...3028
Inspection...3044
Assembly...3046
HYDROSTATIC TESTING...3061
Pump Adjustment...3061
DRIVE SYSTEM...3065
PARKING BRAKE...3067
Lever Removal And Installation...3067
Cable Removal And Installation...3068
Adjustment...3070
BRAKE CALIPER...3071
Removal And Installation...3071
Parts Identification...3073
Disassembly And Assembly...3074
Adjustment...3076
REAR AXLE...3079
Removal...3079
Installation...3082
AXLE AND DIFFERENTIAL (REAR)...3085
Troubleshooting Chart...3085
General Information...3086
Wheel Hub/Spindle Parts Identification...3086
Wheel Hub/Spindle Disassembly...3087
Drive Axle Parts Identification...3091
Drive Axle Disassembly...3092
Steering Knuckle Parts Identification...3095
Steering Knuckle Disassembly...3096
Differential Parts Identification...3099
Differential Disassembly...3100
Differential Inspection...3106
Pinion Group Parts Identification...3107
Pinion Group Disassembly...3108
Pinion Group Inspection...3111
Pinion Group Assembly...3112
Differential Assembly...3119
Steering Knuckle Assembly...3128
Drive Axle Assembly...3131
Wheel Hub/Spindle Assembly...3134
STEERING ANGLE ADJUSTMENT (REAR AXLE)...3139
Adjustment...3139
FRONT AXLE...3141
Removal...3141
Installation...3143
AXLE AND DIFFERENTIAL (FRONT)...3145
Troubleshooting Chart...3145
General Information...3146
Wheel Hub/Spindle Parts Identification...3146
Wheel Hub/Spindle Disassembly...3147
Drive Axle Parts Identification...3151
Drive Axle Disassembly...3152
Steering Knuckle Parts Identification...3155
Steering Knuckle Disassembly...3156
Differential Parts Identification...3159
Differential Disassembly...3160
Differential Inspection...3166
Pinion Group Parts Identification...3167
Pinion Group Disassembly...3168
Pinion Group Inspection...3171
Pinion Group Assembly...3172
Differential Assembly...3179
Steering Knuckle Assembly...3188
Drive Axle Assembly...3191
Wheel Hub/Spindle Assembly...3194
STEERING ANGLE ADJUSTMENT (FRONT AXLE)...3199
Adjustment...3199
DRIVESHAFT...3201
Removal And Installation...3201
DROP BOX...3203
Removal And Installation...3203
Parts Identification...3206
Disassembly...3207
Inspection...3214
Assembly...3214
MAIN FRAME...3219
OPERATOR CAB...3221
Not Available At Time Of Printing...3221
ENCLOSED CAB...3223
Removal And Installation...3223
Cab Mount Removal And Installation...3230
OPERATOR SEAT...3231
Removal And Installation...3231
FLOOR PANELS...3233
Left Front Panel Removal And Installation...3233
Right Front Panel Removal And Installation...3233
Rear Panel Removal And Installation...3234
GRILL...3235
Removal And Installation...3235
GRILL FRAME...3237
Removal And Installation...3237
ENGINE SIDE COVERS...3239
Removal And Installation...3239
FENDER...3241
Removal And Installation...3241
ENGINE COVER...3243
Removal And Installation...3243
FUEL TANK...3245
Removal And Installation...3245
Fuel Fill Screen Removal And Installation...3246
LIFT ARMS...3247
Removal And Installation...3247
BOB-TACH...3251
Removal And Installation...3251
Bob-Tach Lever And Wedge...3253
Pivot Pin Bushing Removal And Installation...3255
ARM...3257
Removal And Installation...3257
Arm Pivot Bushing Removal And Installation...3259
BOOM...3261
Removal And Installation...3261
Boom Pivot Bushing Removal And Installation...3262
SWING FRAME...3263
Removal And Installation...3263
Bushing Removal And Installation...3265
X-CHANGE™...3267
Removal And Installation...3267
BUCKET...3269
Backhoe Bucket Teeth Removal And Installation...3269
Loader Bucket Teeth Removal And Installation...3269
STABILIZER FRAME...3271
Removal And Installation...3271
FRONT AXLE PIVOT FRAME...3275
Removal...3275
Installation...3276
Bushing Removal And Installation...3277
REAR WINDOW...3279
Removal And Installation...3279
CAB DOOR...3283
Removal And Installation...3283
ELECTRICAL SYSTEM AND ANALYSIS...3285
ELECTRICAL SCHEMATIC...3287
ELECTRICAL SYSTEM INFORMATION...3289
Troubleshooting Chart...3289
Description...3290
Fuse Location...3290
BATTERY...3291
Removal And Installation...3291
Servicing The Electrical System...3292
Using A Booster Battery (Jump Starting)...3293
ALTERNATOR...3295
Adjusting The Alternator Belt...3295
Description...3295
Tests...3296
Alternator Output Test...3296
Full Field Test...3297
Alternator Regulator Test...3297
Alternator Regulator Test With Voltmeter...3298
Removal And Installation...3299
Parts Identification...3300
Pulley Removal And Installation...3301
Disassembly And Assembly...3302
Rotor Continuity Test...3305
Stator Continuity Test...3305
Rectifier Continuity (Diode) Test...3306
Brush Length...3306
STARTER...3307
Removal And Installation...3307
Checking The Starter In The Loader...3307
Parts Identification...3309
Disassembly...3310
Inspection And Repair...3315
No Load Test...3319
Assembly...3320
FRONT LIGHTS...3327
Bulb Removal And Installation...3327
Housing Removal And Installation...3329
TURN INDICATOR LIGHTS (FRONT)...3331
Bulb Removal And Installation...3331
TURN INDICATOR LIGHTS (REAR)...3333
Bulb Removal And Installation...3333
CAB LIGHTS...3335
Bulb Removal And Installation...3335
Housing Removal And Installation...3337
FUEL LEVEL SENDER...3339
Removal And Installation...3339
INSTRUMENT PANEL...3341
Removal And Installation...3341
FRONT WIPER...3343
Removal And Installation...3343
REAR WIPER...3347
Removal And Installation...3347
ENGINE SERVICE...3349
TROUBLESHOOTING...3353
Chart...3353
ENGINE SPEED CONTROL...3355
Removal And Installation...3355
Cable Removal And Installation...3356
MUFFLER...3357
Removal And Installation...3357
AIR CLEANER...3359
Removal And Installation...3359
RADIATOR...3361
Removal And Installation...3361
ENGINE COMPONENTS AND TESTING...3363
Checking Engine Compression...3363
Checking Glow Plugs...3364
Glow Plug Removal And Installation...3365
Fuel Shut-Off Solenoid Removal And Installation...3366
Checking Fuel Injection Pump...3367
Fuel Injection Pump Removal And Installation...3368
Fuel Injection Pump Timing...3370
Fuel Injector Nozzles Removal And Installation...3371
Checking Fuel Injector, Nozzles...3373
Thermostat Removal And Installation...3374
Water Pump Removal And Installation...3375
ENGINE...3377
Removal And Installation...3377
Mount Replacement...3381
RECONDITIONING THE ENGINE...3383
Timing Gear Case Cover Removal And Installation...3383
Oil Pump Removal And Installation...3385
Crankshaft Front Seal Removal And Installation...3387
Engine Speed Control Plate Removal And Installation...3388
Idle Limit And Fuel Limit Adjustment...3389
Exhaust Manifold Removal And Installation...3389
Valve Cover Removal And Installation...3390
Rocker Arm Removal And Installation...3391
Push Rod Removal And Installation...3392
Tappet Removal And Installation...3393
Water Flange Removal And Installation...3393
Cylinder Head Removal And Installation...3394
Checking Piston Top Clearance...3395
Cylinder Head Disassembly And Assembly...3396
Servicing The Cylinder Head...3397
Combustion Chamber Removal And Installation...3400
Idler Gear Removal And Installation...3401
Camshaft Removal And Installation...3402
Fuel Camshaft Removal And Installation...3404
Oil Pan Removal And Installation...3406
Governor Shaft Removal And Installation...3407
Governor Fork Lever Removal And Installation...3410
Piston Removal And Installation...3412
Checking The Piston And Connecting Rod...3412
Connecting Rod Alignment...3413
Piston Ring Gap...3413
Piston Ring Installation...3414
Connecting Rod Installation...3415
Checking Engine Cylinder Bore...3415
Crankshaft Removal And Installation...3416
Checking Crankshaft Journal And Block Bearing...3418
Checking Crankshaft Journal And Main Bearing...3419
Connecting Rod Journal...3420
Checking The End Play Of The Crankshaft...3421
Crankshaft Alignment...3421
Engine Timing Installation...3422
Timing Gear Backlash, Idler Gear And Crankshaft...3422
Idler Gear And Camshaft Gear...3423
Idler Gear And Fuel Camshaft Gear...3423
Fuel Camshaft Gear And Governor Shaft Gear...3423
FLYWHEEL HOUSING...3425
Removal And Installation...3425
FLYWHEEL...3427
Removal And Installation...3427
Ring Gear Removal And Installation...3427
RUBBER DRIVE COUPLER...3429
Removal And Installation...3429
Disassembly...3429
TURBOCHARGER...3431
Checking...3431
Description...3431
Removal And Installation...3431
HEATER...3435
COMPONENTS...3437
Identification...3437
HEATER FAN...3439
Removal And Installation...3439
HEATER UNIT...3441
Removal And Installation...3441
Disassembly And Assembly...3443
SPECIFICATIONS...3445
LOADER BACKHOE SPECIFICATIONS...3447
Loader Backhoe Dimensions...3447
Backhoe Rated Load Capacity (Per SAE J31)...3448
Performance...3449
Controls...3449
Engine...3449
Electrical...3450
Drive System...3450
Capacities...3450
Tires...3450
ENGINE SPECIFICATIONS...3451
Engine Compression...3451
Fuel Injection Nozzles...3451
Fuel Injection Pump...3451
Cylinder Head...3451
Valves...3451
Valve Springs...3452
Rocker Arms...3452
Camshaft...3452
Cylinders...3452
Piston Rings...3453
Pistons...3453
Crankshaft...3453
Oil Pump...3454
Thermostat...3454
Grinding Specifications for the Crankshaft...3455
LOADER BACKHOE TORQUE...3457
Specifications...3457
TORQUE SPECIFICATIONS FOR BOLTS...3459
Torque For General Metric Bolts...3459
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...3461
Specifications...3461
CONVERSIONS...3463
Decimal And Millimeter Equivalents...3463
U.S. To Metric Conversion...3463
SMR...3465
B250-1...3465
B250-2...3467
B250-3...3469
B250-4...3471
B250-5...3473
B250 Service Manual 6903864 enUS sm 06-12...3475
MAINTENANCE SAFETY...3477
ALPHABETICAL INDEX...3479
CONTENTS...3481
FOREWORD...3482
SAFETY INSTRUCTIONS...3485
Fire Prevention...3489
SERIAL NUMBER LOCATION...3491
Loader Backhoe Serial Number...3491
Engine Serial Number...3491
DELIVERY REPORT...3492
BOBCAT LOADER IDENTIFICATION...3493
SAFETY & MAINTENANCE...3495
LIFTING AND BLOCKING THE LOADER BACKHOE...3497
Procedure...3497
APPROVED LIFT ARM SUPPORT DEVICE...3499
Installing The Approved Lift Arm Support Device...3499
Removing The Approved Lift Arm Support Device...3500
ENGINE COVER...3501
TRANSPORTING THE LOADER BACKHOE...3503
Procedure...3503
TOWING THE LOADER BACKHOE...3505
Procedure...3505
AXLE TOE-IN...3507
Adjustment...3507
SERVICE SCHEDULE...3509
Chart...3509
AIR CLEANER SERVICE...3511
Daily Check...3511
Replacing The Air Filter Element...3511
ENGINE COOLING SYSTEM...3513
Cleaning The Cooling System...3513
Checking Coolant Level...3513
Coolant Replacement...3514
FUEL SYSTEM...3517
Fuel Specifications...3517
Filling The Fuel Tank...3517
Fuel Filter...3517
Removing Air From The Fuel System...3519
ENGINE LUBRICATION SYSTEM...3521
Checking Engine Oil...3521
Oil Chart...3521
Replacing The Oil And Filter...3522
HYDRAULIC/HYDROSTATIC SYSTEM...3525
Checking And Adding Fluid...3525
Cleaning The Cooler...3526
Replacing Hydraulic/Hydrostatic Filter...3526
Replacing Hydraulic Fluid...3527
REAR AXLE...3529
Checking Oil Level...3529
Draining Oil...3529
FRONT AXLE...3529
Checking Oil Level...3529
Draining Oil...3529
BOOM LOCK PIN...3531
Engaging And Disengaging The Pin...3531
BOB-TACH...3533
Inspection And Maintenance...3533
ALTERNATOR BELT...3535
Adjusting The Alternator Belt...3535
LUBRICATING THE LOADER BACKHOE...3537
TIRE MAINTENANCE...3543
Wheel Nuts...3543
Tire Mounting...3543
Tire Pressure...3543
SWING LOCK PIN...3545
Engaging The Swing Lock Pin...3545
HYDRAULIC SYSTEM...3547
HYDRAULIC/HYDROSTATIC SCHEMATICS...3486
HYDRAULIC SYSTEM INFORMATION...3551
Glossary Of Hydraulic / Hydrostatic Symbols...3551
Troubleshooting...3555
Description...3556
ARM CYLINDER...3557
Checking...3557
Removal And Installation...3558
Parts Identification...3561
Disassembly...3562
Assembly...3564
BOOM CYLINDER...3567
Checking...3567
Removal And Installation...3569
Parts Identification...3572
Disassembly...3573
Assembly...3575
SWING CYLINDER...3577
Checking...3577
Removal And Installation...3578
Parts Identification...3580
Disassembly...3581
Assembly...3583
Bushing Removal And Installation...3585
BUCKET CYLINDER...3587
Checking...3587
Removal And Installation...3589
Parts Identification...3592
Disassembly...3593
Assembly...3595
STABILIZER CYLINDER...3597
Checking...3597
Removal And Installation...3598
Parts Identification...3601
Disassembly...3602
Assembly...3606
SIDE SHIFT LOCK CYLINDER...3609
Removal And Installation...3609
Parts Identification...3611
Disassembly...3612
Assembly...3613
TILT CYLINDER...3615
Checking...3615
Removal And Installation...3616
Parts Identification...3618
Disassembly...3619
Assembly...3621
LIFT CYLINDER...3623
Checking...3623
Removal And Installation...3624
Parts Identification...3626
Disassembly...3627
Assembly...3629
STEERING CYLINDER (FRONT)...3631
Removal And Installation...3631
Parts Identification...3635
Disassembly And Assembly...3636
Inspection...3639
STEERING CYLINDER (REAR)...3641
Removal And Installation...3641
Parts Identification...3644
Disassembly And Assembly...3645
Inspection...3648
MAIN RELIEF VALVE...3651
Description...3651
Testing...3651
Adjustment...3652
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...3653
Testing And Adjusting (Arm Control)...3653
Testing And Adjusting (Bucket Control)...3654
Testing And Adjusting (Boom Control)...3656
Testing And Adjusting (Boom Swing Control)...3657
PORT RELIEF VALVE (LOADER CONTROL VALVE)...3659
Testing And Adjusting (Bucket Tilt)...3659
Testing And Adjusting (Front Auxiliary)...3661
LOADER CONTROL VALVE...3663
Removal And Installation...3663
Parts Identification...3665
Disassembly And Assembly...3666
Inlet/Outlet Valve Section...3667
Lift Arm Valve Section...3669
Tilt Valve Section...3672
Auxiliary Valve Section...3676
BACKHOE CONTROL VALVE...3681
Removal And Installation...3681
Parts Identification...3683
Disassembly And Assembly...3684
Inlet/Outlet Valve Section...3685
Arm Valve Section...3688
Bucket Valve Section...3691
Right Stabilizer Valve Section...3694
Left Stabilizer Valve Section...3697
Boom Valve Section...3701
Boom Swing Valve Section...3704
Outlet Valve Section...3707
HYDRAULIC FLUID RESERVOIR...3709
Removal And Installation...3709
Strainer Removal And Installation...3711
HYDRAULIC FILTER HOUSING...3713
Removal And Installation...3713
Disassembly...3714
Assembly...3715
GEAR PUMP...3717
Removal And Installation...3717
Parts Identification...3718
Disassembly And Assembly...3719
Inspection...3721
STEERING PUMP...3723
Removal And Installation...3723
Parts Identification...3724
Disassembly...3725
Inspection...3734
Assembly...3734
TRAVEL PEDAL...3743
Removal And Installation...3743
Parts Identification...3744
Disassembly And Assembly...3745
Neutral Adjustment...3749
STEERING VALVE...3751
Removal And Installation...3751
Description...3752
Wheel Alignment Procedure...3752
SAPR BRAKE CYLINDER...3753
Removal And Installation...3753
Parts Identification...3755
Disassembly...3756
Assembly...3758
SAPR BRAKE CONTROL VALVE...3761
Removal And Installation...3761
Parts Identification...3762
Disassembly And Assembly...3763
AUXILIARY CONTROL VALVE...3765
Removal And Installation...3765
Parts Identification...3766
Disassembly And Assembly...3767
HYDROSTATIC SYSTEM...3771
HYDROSTATIC SYSTEM INFORMATION...3773
Troubleshooting Chart...3773
Replenishing Valve Function...3774
OIL COOLER...3775
Removal And Installation...3775
Parts Identification...3776
HYDROSTATIC DRIVE MOTOR...3777
Description...3777
Removal And Installation...3777
Parts Identification...3778
Disassembly...3779
Inspection...3785
Assembly...3787
HYDROSTATIC PUMP...3795
Description...3795
Removal And Installation...3795
Parts Identification...3798
Disassembly...3800
Inspection...3816
Assembly...3818
HYDROSTATIC PUMP TESTING AND ADJUSTMENT...3833
Hydrostatic Pump Work Sheet...3833
Pump Testing...3836
DRIVE SYSTEM...3841
PARKING BRAKE...3843
Lever Removal And Installation...3843
Cable Removal And Installation...3844
Adjustment...3846
BRAKE CALIPER...3847
Removal And Installation...3847
Parts Identification...3849
Disassembly And Assembly...3850
Adjustment...3852
REAR AXLE...3855
Removal...3855
Installation...3858
AXLE AND DIFFERENTIAL (REAR)...3861
Troubleshooting Chart...3861
General Information...3862
Wheel Hub/Spindle Parts Identification...3862
Wheel Hub/Spindle Disassembly...3863
Drive Axle Parts identification...3867
Drive Axle Disassembly...3868
Steering Knuckle Parts identification...3871
Steering Knuckle Disassembly...3872
Differential Parts identification...3875
Differential Disassembly...3876
Differential Inspection...3882
Pinion Group Parts identification...3883
Pinion Group Disassembly...3884
Pinion Group Inspection...3887
Pinion Group Assembly...3888
Differential Assembly...3895
Steering Knuckle Assembly...3904
Drive Axle Assembly...3907
Wheel Hub/Spindle Assembly...3910
STEERING ANGLE ADJUSTMENT (REAR AXLE)...3915
Adjustment...3915
FRONT AXLE...3917
Removal...3917
Installation...3919
AXLE AND DIFFERENTIAL (FRONT)...3921
Troubleshooting Chart...3921
General Information...3922
Wheel Hub/Spindle Parts Identification...3922
Wheel Hub/Spindle Disassembly...3923
Drive Axle Parts identification...3927
Drive Axle Disassembly...3928
Steering Knuckle Parts identification...3931
Steering Knuckle Disassembly...3932
Differential Parts Identification...3935
Differential Disassembly...3936
Differential Inspection...3942
Pinion Group Parts identification...3943
Pinion Group Disassembly...3944
Pinion Group Inspection...3947
Pinion Group Assembly...3948
Differential Assembly...3955
Steering Knuckle Assembly...3964
Drive Axle Assembly...3967
Wheel Hub/Spindle Assembly...3970
STEERING ANGLE ADJUSTMENT (FRONT AXLE)...3975
Adjustment...3975
DRIVESHAFT...3977
Removal And Installation...3977
DROP BOX...3979
Removal And Installation...3979
Parts Identification...3982
Disassembly...3983
Inspection...3990
Assembly...3990
MAIN FRAME...3995
OPERATOR CAB...3997
Removal And Installation...3997
Cab Mount Removal And Installation...4005
ENCLOSED CAB...4007
Removal And Installation...4007
Cab Mount Removal And Installation...4015
OPERATOR SEAT...4017
Removal And Installation...4017
FLOOR PANELS...4019
Left Front Panel Removal And Installation...4019
Right Front Panel Removal And Installation...4019
Rear Panel Removal And Installation...4020
GRILL...4021
Removal And Installation...4021
GRILL FRAME...4023
Removal And Installation...4023
ENGINE SIDE COVERS...4025
Removal And Installation...4025
FENDER...4027
Removal And Installation...4027
ENGINE COVER...4029
Removal And Installation...4029
FUEL TANK...4031
Removal And Installation...4031
Fuel Fill Screen Removal And Installation...4032
LIFT ARMS...4033
Removal And Installation...4033
BOB-TACH...4037
Removal And Installation...4037
Bob-Tach Lever And Wedge...4039
Pivot Pin Bushing Removal And Installation...4041
ARM...4043
Removal And Installation...4043
Arm Pivot Bushing Removal And Installation...4045
BOOM...4047
Removal And Installation...4047
Boom Pivot Bushing Removal And Installation...4048
SWING FRAME...4049
Removal And Installation...4049
Bushing Removal And Installation...4051
X-CHANGE®...4053
Removal And Installation...4053
BUCKET...4055
Backhoe Bucket Teeth Removal And Installation...4055
Loader Bucket Teeth Removal And Installation...4055
STABILIZER FRAME...4057
Removal And Installation...4057
FRONT AXLE PIVOT FRAME...4061
Removal...4061
Installation...4062
Bushing Removal And Installation...4063
REAR WINDOW...4065
Removal And Installation...4065
CAB DOOR...4069
Removal And Installation...4069
ELECTRICAL SYSTEM AND ANALYSIS...4071
ELECTRICAL SCHEMATIC...4073
ELECTRICAL SYSTEM INFORMATION...4075
Troubleshooting Chart...4075
Description...4076
Fuse And Relay Location...4076
BATTERY...4077
Removal And Installation...4077
Servicing The Electrical System...4078
Using A Booster Battery (Jump Starting)...4079
ALTERNATOR...4081
Adjusting The Alternator Belt...4081
Description...4081
Tests...4082
Alternator Output Test...4082
Full Field Test...4083
Alternator Regulator Test...4083
Alternator Regulator Test With Voltmeter...4084
Removal And Installation...4085
Parts Identification...4086
Pulley Removal And Installation...4087
Disassembly And Assembly...4088
Rotor Continuity Test...4091
Stator Continuity Test...4091
Rectifier Continuity (Diode) Test...4092
Brush Length...4092
STARTER...4093
Removal And Installation...4093
Checking The Starter In The Loader...4093
Parts Identification...4095
Disassembly...4096
Inspection And Repair...4101
No Load Test...4105
Assembly...4106
FRONT LIGHTS...4113
Bulb Removal And Installation...4113
Housing Removal And Installation...4115
TURN INDICATOR LIGHTS (FRONT)...4117
Bulb Removal And Installation...4117
TURN INDICATOR LIGHTS (REAR)...4119
Bulb Removal And Installation...4119
CAB LIGHTS...4121
Bulb Removal And Installation...4121
Housing Removal And Installation...4123
FUEL LEVEL SENDER...4125
Removal And Installation...4125
Testing...4126
INSTRUMENT PANEL...4127
Removal And Installation...4127
FRONT WIPER...4129
Removal And Installation...4129
REAR WIPER...4133
Removal And Installation...4133
ENGINE SERVICE...4135
TROUBLESHOOTING...4139
Chart...4139
ENGINE SPEED CONTROL...4141
Removal And Installation...4141
Cable Removal And Installation...4142
MUFFLER...4143
Removal And Installation...4143
AIR CLEANER...4145
Removal And Installation...4145
RADIATOR...4147
Removal And Installation...4147
ENGINE COMPONENTS AND TESTING...4149
Checking Engine Compression...4149
Checking Glow Plugs...4150
Glow Plug Removal And Installation...4151
Fuel Shut-Off Solenoid Removal And Installation...4152
Checking Fuel Injection Pump...4153
Fuel Injection Pump Removal And Installation...4154
Fuel Injection Pump Timing...4156
Fuel Injector Nozzles Removal And Installation...4157
Checking Fuel Injector, Nozzles...4159
Thermostat Removal And Installation...4160
Water Pump Removal And Installation...4161
ENGINE...4163
Removal And Installation...4163
Mount Replacement...4167
RECONDITIONING THE ENGINE...4169
Timing Gear Case Cover Removal And Installation...4169
Oil Pump Removal And Installation...4171
Crankshaft Front Seal Removal And Installation...4173
Engine Speed Control Plate Removal And Installation...4174
Idle Limit And Fuel Limit Adjustment...4175
Exhaust Manifold Removal And Installation...4175
Valve Cover Removal And Installation...4176
Rocker Arm Removal And Installation...4177
Push Rod Removal And Installation...4178
Tappet Removal And Installation...4179
Water Flange Removal And Installation...4179
Cylinder Head Removal And Installation...4180
Checking Piston Top Clearance...4181
Cylinder Head Disassembly And Assembly...4182
Servicing The Cylinder Head...4183
Combustion Chamber Removal And Installation...4186
Idler Gear Removal And Installation...4187
Camshaft Removal And Installation...4188
Fuel Camshaft Removal And Installation...4190
Oil Pan Removal And Installation...4192
Governor Shaft Removal And Installation...4193
Governor Fork Lever Removal And Installation...4196
Piston Removal And Installation...4198
Checking The Piston And Connecting Rod...4198
Connecting Rod Alignment...4199
Piston Ring Gap...4199
Piston Ring Installation...4200
Connecting Rod Installation...4201
Checking Engine Cylinder Bore...4201
Crankshaft Removal And Installation...4202
Checking Crankshaft Journal And Block Bearing...4204
Checking Crankshaft Journal And Main Bearing...4205
Connecting Rod Journal...4206
Checking The End Play Of The Crankshaft...4207
Crankshaft Alignment...4207
Engine Timing Installation...4208
Timing Gear Backlash, Idler Gear And Crankshaft...4208
Idler Gear And Camshaft Gear...4209
Idler Gear And Fuel Camshaft Gear...4209
Fuel Camshaft Gear And Governor Shaft Gear...4209
FLYWHEEL HOUSING...4211
Removal And Installation...4211
FLYWHEEL...4213
Removal And Installation...4213
Ring Gear Removal And Installation...4213
RUBBER DRIVE COUPLER...4215
Removal And Installation...4215
Disassembly...4215
TURBOCHARGER...4217
Checking...4217
Description...4217
Removal And Installation...4217
HEATER...4221
COMPONENTS...4223
Identification...4223
HEATER FAN...4225
Removal And Installation...4225
HEATER UNIT...4227
Removal And Installation...4227
Disassembly And Assembly...4228
SPECIFICATIONS...4231
LOADER BACKHOE SPECIFICATIONS...4234
Loader Backhoe Dimensions...4234
Backhoe Rated Load Capacity (Per SAE J31)...4235
Loader Performance...4236
Backhoe Performance...4236
Controls...4236
Drive System...4236
Engine...4237
Electrical...4237
Capacities...4237
Tires...4237
ENGINE SPECIFICATIONS...4239
Engine Compression...4239
Fuel Injection Nozzles...4239
Fuel Injection Pump...4239
Cylinder Head...4239
Valves...4239
Valve Springs...4240
Rocker Arms...4240
Camshaft...4240
Cylinders...4240
Piston Rings...4241
Pistons...4241
Crankshaft...4241
Oil Pump...4242
Thermostat...4242
Grinding Specifications for the Crankshaft...4243
LOADER BACKHOE TORQUE...4245
Specifications...4245
TORQUE SPECIFICATIONS FOR BOLTS...4247
Torque For General Metric Bolts...4247
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...4249
Specifications...4249
CONVERSIONS...4251
Decimal And Millimeter Equivalents...4251
U.S. To Metric Conversion...4251
SMR...4253
B250-1...4253
B250-2...4255
B300 Service Manual 6901906 enUS sm 06-12...4257
MAINTENANCE SAFETY...4259
ALPHABETICAL INDEX...4261
CONTENTS...4263
FOREWORD...4264
SAFETY INSTRUCTIONS...4267
Fire Prevention...4269
SERIAL NUMBER LOCATION...4271
Loader Backhoe Serial Number...4271
Engine Serial Number...4271
DELIVERY REPORT...4271
BOBCAT LOADER IDENTIFICATION...4272
SAFETY AND MAINTENANCE...4273
LIFTING AND BLOCKING THE LOADER BACKHOE...4275
Procedure...4275
LIFT ARM SUPPORT DEVICE...4277
Installing The Lift Arm Support Device...4277
Removing The Lift Arm Support Device...4278
ENGINE COVER...4279
TRANSPORTING THE LOADER BACKHOE...4281
Procedure...4281
TOWING THE LOADER BACKHOE...4283
Procedure...4283
AXLE TOE-IN...4285
Adjustment...4285
SERVICE SCHEDULE...4287
Chart...4287
AIR CLEANER SERVICE...4289
Replacing Filter Element...4289
ENGINE COOLING SYSTEM...4291
Coolant Replacement...4291
FUEL SYSTEM...4293
Fuel Specifications...4293
Filling The Fuel Tank...4293
Fuel Filter...4294
ENGINE LUBRICATION SYSTEM...4295
Checking Engine Oil...4295
Oil Chart...4295
Replacing Oil And Filter...4296
HYDRAULIC/HYDROSTATIC SYSTEM...4299
Checking And Adding Fluid...4299
Cleaning The Cooler...4299
Replacing Hydraulic/Hydrostatic Filter...4300
Replacing Hydraulic Fluid...4301
REAR AXLE...4303
Checking Oil Level...4303
Draining Oil...4303
FRONT AXLE...4304
Checking Oil Level...4304
Draining Oil...4304
BACKHOE BOOM LOCK...4305
Disengaging The Boom Lock...4305
Engaging Boom Lock...4306
BOB-TACH HAND LEVER...4307
Inspection And Maintenance...4307
ALTERNATOR BELT...4309
Adjusting The Alternator Belt...4309
LUBRICATING THE LOADER BACKHOE...4311
TIRE MAINTENANCE...4319
Wheel Nuts...4319
Mounting...4319
Tire Pressure...4319
HYDRAULIC SYSTEM...4321
HYDRAULIC/HYDROSTATIC SCHEMATICS...4325
HYDRAULIC SYSTEM INFORMATION...4327
Troubleshooting...4331
Description...4332
ARM CYLINDER...4333
Checking...4333
Removal And Installation...4335
Parts Identification...4337
Disassembly...4338
Assembly...4341
BOOM CYLINDER...4345
Checking...4345
Removal And Installation...4346
Parts Identification...4348
Disassembly...4349
Assembly...4352
SWING CYLINDER...4355
Removal And Installation...4355
Bushing Removal And Installation...4356
Parts Identification (Left Side)...4357
Parts Identification (Right Side)...4358
Disassembly...4359
Assembly...4362
BUCKET CYLINDER...4365
Checking...4365
Removal And Installation...4367
Parts Identification...4369
Disassembly...4370
Assembly...4373
STABILIZER CYLINDER...4377
Checking...4377
Removal And Installation...4379
TILT CYLINDER...4383
Checking...4383
Removal And Installation...4384
Parts Identification (Left Side)...4385
Parts Identification (Right Side)...4386
Disassembly...4387
Assembly...4390
LIFT CYLINDER...4393
Checking...4393
Removal And Installation...4394
Parts Identification (Left Side)...4396
Parts Identification (Right Side)...4397
Disassembly...4398
Assembly...4401
STEERING CYLINDER (FRONT)...4405
Removal And Installation...4405
Parts Identification...4409
Disassembly And Assembly...4410
Inspection...4413
STEERING CYLINDER (REAR)...4415
Removal And Installation...4415
Parts Identification...4418
Disassembly And Assembly...4419
Inspection...4422
MAIN RELIEF VALVE...4423
Testing The Main Relief Valve...4423
Adjustment...4424
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...4425
Testing And Adjusting (Arm Control)...4425
Testing And Adjusting (Boom Control)...4427
Testing And Adjusting (Boom Swing Control)...4429
LOADER CONTROL VALVE...4431
Removal And Installation...4431
Disassembly And Assembly...4432
Inlet/Outlet Valve Section...4433
Lift Arm Valve Section...4435
Tilt Valve Section...4439
Auxiliary Valve Section (Front)...4443
Auxiliary Valve Section (Rear)...4448
BACKHOE CONTROL VALVE...4455
Removal And Installation...4455
Parts Identification...4457
Disassembly And Assembly...4458
Inlet/Outlet Valve Section...4460
Arm Valve Section...4462
Tilt Valve Section...4465
Right Stabilizer Valve Section...4468
Left Stabilizer Valve Section...4471
Boom Valve Section...4475
Boom Swing Valve Section...4478
Outlet Valve Section...4481
HYDRAULIC FLUID RESERVOIR...4483
Removal And Installation...4483
Filter Removal And Installation...4485
HYDRAULIC FILTER HOUSING...4487
Removal And Installation...4487
Disassembly...4488
Assembly...4489
GEAR PUMP...4491
Removal And Installation...4491
Parts Identification...4492
Disassembly And Assembly...4493
Inspection...4495
STEERING PUMP...4497
Removal And Installation...4497
Parts Identification...4499
Disassembly...4500
Inspection...4509
Assembly...4509
STEERING VALVE...4519
Removal And Installation...4519
Adjustment...4520
STEERING VALVE...4521
Removal And Installation...4521
Adjustment...4522
HYDROSTATIC SYSTEM...4523
HYDROSTATIC SYSTEM INFORMATION...4525
Troubleshooting Chart...4525
Replenishing Valve Function...4526
OIL COOLER...4527
Disassembly...4527
Inspection...4528
Assembly...4528
HYDROSTATIC DRIVE MOTOR...4531
Removal And Installation...4531
Disassembly...4533
Inspection...4546
Assembly...4549
HYDROSTATIC PUMP...4563
Removal And Installation...4563
Disassembly...4565
Inspection...4586
Assembly...4588
HYDROSTATIC TESTING...4609
Pump Adjustment...4609
Operation Test - Creep Test:...4611
Operation Test - Torque Limiter Test:...4611
DRIVE SYSTEM...4613
PARKING BRAKE...4617
Lever Removal And Installation...4617
Cable Removal And Installation...4619
Adjustment...4620
PARKING BRAKE...4621
Lever Removal And Installation...4621
Cable Removal And Installation...4623
Adjustment...4624
PARKING BRAKE HOUSING...4625
Removal And Installation...4625
Parts Identification...4626
Disassembly And Assembly...4627
REAR AXLE...4637
Removal...4637
Installation...4640
FRONT AXLE...4645
Removal...4645
Installation...4647
Installation...4647
Axle Pivot Bushing Removal And Installation...4649
DRIVESHAFT...4651
Removal And Installation...4651
DROP BOX...4653
Removal And Installation...4653
Parts Identification...4656
Disassembly...4658
Inspection...4663
Assembly...4665
MAIN FRAME...4673
OPERATOR CANOPY...4675
Removal And Installation...4675
ENCLOSED CAB...4681
Not Available At Time Of Printing...4681
OPERATOR SEAT...4683
Removal And Installation...4683
FLOOR PANELS...4685
Front Panel Removal And Installation...4685
Rear Panel Removal And Installation...4685
Front Right Panel Removal And Installation...4686
Front Left Panel Removal And Installation...4686
GRILL...4687
Removal And Installation...4687
GRILL FRAME...4689
Removal And Installation...4689
ENGINE SIDE COVERS...4691
Removal And Installation...4691
FENDER...4693
Removal And Installation...4693
ENGINE COVER...4695
Removal And Installation...4695
FUEL TANK...4697
Removal And Installation...4697
Screen Removal And Installation...4699
LIFT ARMS...4701
Removal And Installation...4701
BOB-TACH...4705
Removal And Installation...4705
Bob-Tach Lever And Wedge...4707
Pivot Pin Bushing Removal And Installation...4708
ARM...4709
Removal And Installation...4709
Arm Pivot Bushing Removal And Installation...4711
BOOM...4713
Removal And Installation...4713
SWING FRAME...4717
Removal And Installation...4717
Bushing Removal And Installation...4718
X-CHANGE™...4719
Removal And Installation...4719
BUCKET...4721
Backhoe Bucket Teeth Removal And Installation...4721
Loader Bucket Teeth Removal And Installation...4721
BUCKET POSITIONING LINK...4723
Removal And Installation...4723
CENTER FLOOR PANEL...4725
Removal And Installation...4725
STABILIZER...4729
Removal And Installation...4729
ELECTRICAL SYSTEM AND ANALYSIS...4731
ELECTRICAL SCHEMATIC...4733
ELECTRICAL SYSTEM INFORMATION...4735
Troubleshooting Chart...4735
Description...4736
Fuse Location...4736
Relay Location...4736
BATTERY...4737
Removal And Installation...4737
Servicing The Electrical System...4738
Using A Booster Battery (Jump Starting)...4739
ALTERNATOR...4741
Adjusting The Alternator Belt...4741
Description...4741
Tests...4742
Alternator Output Test...4742
Full Field Test...4743
Alternator Regulator Test...4743
Alternator Regulator Test With Voltmeter...4744
Removal And Installation...4745
Parts Identification...4746
Pulley Removal And Installation...4747
Disassembly And Assembly...4748
Rotor Continuity Test...4751
Stator Continuity Test...4751
Rectifier Continuity (Diode) Test...4752
Brush Length...4752
STARTER...4753
Removal And Installation...4753
Checking The Starter In The Loader...4753
Parts Identification...4755
Disassembly...4756
Inspection And Repair...4761
No Load Test...4765
Assembly...4766
FRONT LIGHTS...4773
Bulb Removal And Installation...4773
Housing Removal And Installation...4775
TURN INDICATOR LIGHTS (FRONT)...4777
Bulb Removal And Installation...4777
TURN INDICATOR LIGHTS (REAR)...4779
Bulb Removal And Installation...4779
CAB LIGHTS...4781
Bulb Removal And Installation...4781
Housing Removal And Installation...4783
FUEL LEVEL SENDER...4785
Removal And Installation...4785
INSTRUMENT PANEL...4787
Removal And Installation...4787
ENGINE SERVICE...4789
TROUBLESHOOTING...4791
Chart...4791
ENGINE SPEED CONTROL...4793
Removal And Installation...4793
Cable Removal And Installation...4794
MUFFLER...4797
Removal And Installation...4797
AIR CLEANER...4799
Removal And Installation...4799
RADIATOR...4801
Removal And Installation...4801
ENGINE COMPONENTS AND TESTING...4803
Valve Clearance Adjustment...4803
Engine Compression Checking...4804
Fuel Shut-Off Solenoid Removal And Installation...4805
Checking Fuel Injection Pump...4806
Fuel Injection Pump Removal And Installation...4807
Fuel Injection Pump Timing...4809
Fuel Injector Nozzles...4810
Fuel Injector Nozzles Removal And Installation...4811
Fuel Injector Nozzles Check...4812
ENGINE...4813
Removal And Installation...4813
Mount Replacement...4817
RECONDITIONING THE ENGINE...4819
Cylinder Head Removal And Installation...4819
Cylinder Head Disassembly And Assembly...4820
Cylinder Head Servicing...4821
Cylinder Head Top Clearance...4821
Valve Guide Checking...4822
Reconditioning The Valve And Valve Seat...4823
Valve Spring...4824
Rocker Arm And Shaft Checking...4824
Timing Gearcase Cover Removal And Installation...4825
Idler Gear And Camshaft Removal And Installation...4827
Camshaft Servicing...4828
Idler Gear And Shaft Servicing...4829
Timing Gears Checking Backlash...4830
Fuel Camshaft Removal And Installation...4831
Fuel Camshaft Governor...4831
Crankshaft Gear Removal And Installation...4832
Oil Pump Removal And Installation...4832
Oil Pump Service...4832
Checking Engine Oil Pressure...4833
Oil Pump Relief Valve...4834
Piston And Connecting Rod Removal And Installation...4834
Piston And Connecting Rod Servicing...4836
Connecting Rod Alignment...4838
Crankshaft And Bearings Removal And Installation...4838
Crankshaft And Bearings, Servicing...4840
Cylinder Bore, Checking...4843
Water Pump Removal And Installation...4844
Water Pump Disassembly And Assembly...4844
FLYWHEEL HOUSING...4845
Removal And Installation...4845
FLYWHEEL...4847
Removal And Installation...4847
Ring Gear Removal And Installation...4847
DRIVE COUPLER...4849
Removal And Installation...4849
TURBOCHARGER...4851
SPECIFICATIONS...4853
LOADER SPECIFICATIONS...4855
Loader Backhoe Dimensions...4855
Performance...4856
Controls...4856
Engine...4856
Electrical...4857
Drive System...4857
Capacities...4857
Tires...4857
ENGINE SPECIFICATIONS...4859
Fuel Injection Nozzles...4859
Fuel Injection Pump...4859
Cylinder Head...4859
Valves...4859
Valve Springs...4860
Valve Timing...4860
Rocker Arms...4860
Camshaft...4860
Cylinders...4860
Tappet...4860
Piston Rings...4861
Pistons...4861
Crankshaft...4861
Oil Pump...4861
Thermostat...4862
Connecting Rods...4862
Timing Gear...4862
Engine Bolt Torque...4863
Grinding Specifications for the Crankshaft...4864
LOADER BACKHOE TORQUE...4865
Specifications...4865
TORQUE SPECIFICATIONS FOR BOLTS...4867
Torque For General Metric Bolts...4867
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...4869
Specifications...4869
CONVERSIONS...4871
Decimal And Millimeter Equivalents...4871
U.S. To Metric Conversion...4871
SMR...4873
B300-1...4873
B300-2...4875
B300-3...4877
B300-4...4879
B300-5...4881
B300-6...4883
B300 Service Manual 6902773 enUS sm 06-12...4885
MAINTENANCE SAFETY...4887
ALPHABETICAL INDEX...4889
CONTENTS...4891
FOREWORD...4892
SAFETY INSTRUCTIONS...4895
Fire Prevention...4897
SERIAL NUMBER LOCATION...4899
Loader Backhoe Serial Number...4899
Engine Serial Number...4899
DELIVERY REPORT...4900
LOADER BACKHOE IDENTIFICATION...4901
SAFETY AND MAINTENANCE...4903
LIFTING AND BLOCKING THE LOADER BACKHOE...4905
Procedure...4905
APPROVED LIFT ARM SUPPORT DEVICE...4907
Installing The Approved Lift Arm Support Device...4907
Removing The Approved Lift Arm Support Device...4908
ENGINE COVER...4909
TRANSPORTING THE LOADER BACKHOE...4911
Procedure...4911
TOWING THE LOADER BACKHOE...4913
Procedure...4913
AXLE TOE-IN...4915
Procedure...4915
SERVICE SCHEDULE...4917
Chart...4917
AIR CLEANER SERVICE...4919
Replacing The Filter...4919
ENGINE COOLING SYSTEM...4921
Coolant Replacement...4921
FUEL SYSTEM...4923
Fuel Specifications...4923
Filling The Fuel Tank...4923
Fuel Filter...4924
Removing Air From The Fuel System...4924
ENGINE LUBRICATION SYSTEM...4925
Checking Engine Oil...4925
Oil Chart...4925
Replacing Oil And Filter...4926
HYDRAULIC/HYDROSTATIC SYSTEM...4929
Checking And Adding Fluid...4929
Cleaning The Cooler...4929
Replacing Hydraulic/Hydrostatic Filter...4930
Replacing Hydraulic Fluid...4931
REAR AXLE...4933
Checking Oil Level...4933
Draining Oil...4933
FRONT AXLE...4935
Checking Oil Level...4935
Draining Oil...4935
BOOM LOCK PIN...4937
Engaging And Disengaging The Pin...4937
BOB-TACH HAND LEVER...4939
Inspection And Maintenance...4939
ALTERNATOR BELT...4941
Adjusting The Alternator Belt...4941
LUBRICATING THE LOADER BACKHOE...4943
TIRE MAINTENANCE...4951
Wheel Nuts...4951
Mounting...4951
Tire Pressure...4951
HYDRAULIC SYSTEM...4953
HYDRAULIC/HYDROSTATIC SCHEMATIC...4957
HYDRAULIC SYSTEM INFORMATION...4959
Troubleshooting...4963
Description...4964
ARM CYLINDER...4965
Checking...4965
Removal And Installation...4966
Parts Identification...4969
Disassembly...4970
Assembly...4972
BOOM CYLINDER...4975
Checking...4975
Removal And Installation...4977
Parts Identification...4980
Disassembly...4981
Assembly...4983
SWING CYLINDER...4987
Checking...4987
Removal And Installation...4988
Parts Identification...4990
Disassembly...4991
Assembly...4993
BUCKET CYLINDER...4997
Checking...4997
Removal And Installation...4999
Parts Identification...5002
Disassembly...5003
Assembly...5005
STABILIZER CYLINDER...5007
Checking...5007
Removal And Installation...5009
Parts Identification...5011
Disassembly...5012
Assembly...5016
TILT CYLINDER...5021
Checking...5021
Removal And Installation...5022
Parts Identification...5024
Disassembly...5025
Assembly...5027
LIFT CYLINDER...5029
Checking...5029
Removal And Installation...5030
Parts Identification...5032
Disassembly...5033
Assembly...5035
STEERING CYLINDER (FRONT)...5039
Removal And Installation...5039
Parts Identification...5043
Disassembly And Assembly...5044
Inspection...5047
STEERING CYLINDER (REAR)...5049
Removal And Installation...5049
Parts Identification...5052
Disassembly And Assembly...5053
Inspection...5056
MAIN RELIEF VALVE...5057
Testing The Main Relief Valve...5057
Adjustment...5058
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...5059
Testing And Adjusting (Arm Control)...5059
Testing And Adjusting (Boom Control)...5061
Testing And Adjusting (Boom Swing Control)...5063
LOADER CONTROL VALVE...5065
Removal And Installation...5065
Parts Identification...5067
Disassembly And Assembly...5068
Inlet/Outlet Valve Section...5068
Lift Arm Valve Section...5070
Tilt Valve Section...5074
Auxiliary Valve Section (Front)...5079
BACKHOE CONTROL VALVE...5085
Removal And Installation...5085
Parts Identification...5087
Disassembly And Assembly...5088
Inlet/Outlet Valve Section...5090
Arm Valve Section...5092
Tilt Valve Section...5095
Right Stabilizer Valve Section...5098
Left Stabilizer Valve Section...5101
Boom Valve Section...5105
Boom Swing Valve Section...5108
Outlet Valve Section...5111
HYDRAULIC FLUID RESERVOIR...5113
Removal And Installation...5113
Strainer Removal And Installation...5115
HYDRAULIC FILTER HOUSING...5117
Removal And Installation...5117
Disassembly...5118
Assembly...5119
HYDRAULIC FILTER...5121
Removal And Installation...5121
GEAR PUMP...5123
Removal And Installation...5123
Parts Identification...5124
Disassembly And Assembly...5125
Inspection...5128
STEERING PUMP...5129
Removal And Installation...5129
Parts Identification...5131
Disassembly...5132
Inspection...5141
Assembly...5141
STEERING VALVE...5151
Removal And Installation...5151
Adjustment...5152
MASTER CYLINDER...5153
Removal And Installation...5153
Parts Identification...5154
Disassembly And Assembly...5155
HYDROSTATIC SYSTEM...5157
HYDROSTATIC SYSTEM INFORMATION...5159
Troubleshooting Chart...5159
Replenishing Valve Function...5160
OIL COOLER...5161
Disassembly...5161
Inspection...5162
Assembly...5162
HYDROSTATIC DRIVE MOTOR...5165
Removal And Installation...5165
Parts Identification...5167
Disassembly...5169
Inspection...5184
Assembly...5187
HYDROSTATIC PUMP...5203
Removal And Installation...5203
Parts Identification...5206
Disassembly...5208
Inspection...5221
Assembly...5223
HYDROSTATIC PUMP TESTING...5239
Hydrostatic Pump Work Sheet...5239
Pump Testing...5242
DRIVE SYSTEM...5247
PARKING BRAKE...5251
Lever Removal And Installation...5251
Cable Removal And Installation...5253
Adjustment...5254
PARKING BRAKE HOUSING...5255
Removal And Installation...5255
Parts Identification...5256
Disassembly And Assembly...5257
SERVICE BRAKE...5267
Description...5267
Bleeding The Brake Circuit...5267
REAR AXLE...5269
Removal...5269
Installation...5272
AXLE AND DIFFERENTIAL (REAR)...5277
Troubleshooting Chart...5277
General Information...5278
Planetary Carrier Parts Identification...5278
Planetary Carrier Disassembly...5279
Planetary Carrier Inspection...5281
Wheel Hub/Brake Group Parts Identification...5282
Wheel Hub/Brake Group Disassembly...5283
Steering Knuckle Parts Identification...5289
Steering Knuckle Disassembly...5290
Axle Housing/Drive Axle Parts Identification...5292
Axle Housing/Drive Axle Disassembly...5293
Differential Carrier Removal...5296
Differential Carrier Disassembly...5297
Pinion Group Parts Identification...5299
Pinion Group Disassembly...5300
Inspection...5302
Pinion Group Inspection...5305
Differential Parts Identification...5306
Differential Disassembly...5306
Differential Inspection...5309
Differential Assembly...5311
Pinion Group Assembly...5314
Differential Carrier Assembly...5323
Differential Carrier Installation...5326
Axle Housing/Drive Axle Assembly...5327
Steering Knuckle Assembly...5330
Wheel Hub/Brake Group Assembly...5333
Planetary Carrier Assembly...5338
STEERING ANGLE ADJUSTMENT (REAR AXLE)...5341
Adjustment...5341
FRONT AXLE...5343
Removal...5343
Installation...5345
Axle Pivot Bushing Removal And Installation...5347
AXLE AND DIFFERENTIAL (FRONT)...5349
Troubleshooting Chart...5349
General Information...5350
Planetary Carrier Parts Identification...5350
Planetary Carrier Disassembly...5351
Planetary Carrier Inspection...5353
Wheel Hub Parts Identification...5354
Wheel Hub Disassembly...5355
Wheel Hub Inspection...5358
Steering Knuckle Parts Identification...5358
Steering Knuckle Disassembly...5359
Axle Housing/Drive Axle Parts Identification...5361
Axle Housing/Drive Axle Disassembly...5362
Differential Carrier Removal...5365
Differential Carrier Disassembly...5366
Pinion Group Parts Identification...5368
Pinion Group Disassembly...5369
Pinion Group Inspection...5371
Differential Parts Identification...5372
Differential Disassembly...5372
Differential Inspection...5375
Differential Assembly...5376
Pinion Group Assembly...5379
Differential Carrier Assembly...5385
Axle Housing/Drive Axle Assembly...5390
Steering Knuckle Assembly...5393
Wheel Hub Assembly...5396
Planetary Carrier Assembly...5398
STEERING ANGLE ADJUSTMENT (FRONT AXLE)...5401
Adjustment...5401
DRIVESHAFT...5403
Removal And Installation...5403
DROP BOX...5405
Removal And Installation...5405
Parts Identification...5408
Disassembly...5410
Inspection...5415
Assembly...5417
MAIN FRAME...5425
OPERATOR CANOPY...5427
Removal And Installation...5427
ENCLOSED CAB...5433
Not Available At Time Of Print...5433
OPERATOR SEAT...5435
Removal And Installation...5435
FLOOR PANELS...5437
Front Panel Removal And Installation...5437
Rear Panel Removal And Installation...5437
Front Right Panel Removal And Installation...5438
Front Left Panel Removal And Installation...5438
GRILL...5439
Removal And Installation...5439
GRILL FRAME...5441
Removal And Installation...5441
ENGINE SIDE COVERS...5443
Removal And Installation...5443
FENDER...5445
Removal And Installation...5445
ENGINE COVER...5447
Removal And Installation...5447
FUEL TANK...5449
Removal And Installation...5449
Screen Removal And Installation...5451
LIFT ARMS...5453
Removal And Installation...5453
BOB-TACH...5459
Removal And Installation...5459
Bob-Tach Lever And Wedge...5460
Pivot Pin Bushing Removal And Installation...5462
ARM...5463
Removal And Installation...5463
Arm Pivot Bushing Removal And Installation...5465
BOOM...5467
Removal And Installation...5467
Boom Pivot Bushing Removal And Installation...5468
SWING FRAME...5469
Removal And Installation...5469
X-CHANGE™...5471
Removal And Installation...5471
BUCKET...5473
Backhoe Bucket Teeth Removal And Installation...5473
Loader Bucket Teeth Removal And Installation...5473
BUCKET POSITIONING LINK...5475
Removal And Installation...5475
CENTER FLOOR PANEL...5477
Removal And Installation...5477
STABILIZER...5481
Removal And Installation...5481
ELECTRICAL SYSTEM AND ANALYSIS...5483
ELECTRICAL SCHEMATIC...5485
ELECTRICAL SYSTEM INFORMATION...5487
Troubleshooting Chart...5487
Description...5488
Fuse Location...5488
Relay Location...5488
BATTERY...5489
Removal And Installation...5489
Servicing The Electrical System...5490
Using A Booster Battery (Jump Starting)...5491
ALTERNATOR...5493
Adjusting The Alternator Belt...5493
Description...5493
Tests...5494
Alternator Output Test...5494
Full Field Test...5495
Alternator Regulator Test...5495
Alternator Regulator Test With Voltmeter...5496
Removal And Installation...5497
Parts Identification...5498
Pulley Removal And Installation...5499
Disassembly And Assembly...5500
Rotor Continuity Test...5503
Stator Continuity Test...5503
Rectifier Continuity (Diode) Test...5504
Brush Length...5504
STARTER...5505
Removal And Installation...5505
Checking The Starter In The Loader...5505
Parts Identification...5507
Disassembly...5508
Inspection And Repair...5513
No Load Test...5517
Assembly...5518
FRONT LIGHTS...5525
Bulb Removal And Installation...5525
Housing Removal And Installation...5527
TURN INDICATOR LIGHTS (FRONT)...5529
Bulb Removal And Installation...5529
TURN INDICATOR LIGHTS (REAR)...5531
Bulb Removal And Installation...5531
CAB LIGHTS...5533
Bulb Removal And Installation...5533
Housing Removal And Installation...5535
FUEL LEVEL SENDER...5537
Removal And Installation...5537
INSTRUMENT PANEL...5539
Removal And Installation...5539
ENGINE SERVICE...5541
TROUBLESHOOTING...5543
Chart...5543
ENGINE SPEED CONTROL...5545
Removal And Installation...5545
Cable And Rod Removal And Installation...5546
TRAVEL PEDAL...5549
Removal And Installation...5549
MUFFLER...5553
Removal And Installation...5553
AIR CLEANER...5555
Removal And Installation...5555
RADIATOR...5557
Removal And Installation...5557
ENGINE COMPONENTS AND TESTING...5559
Valve Clearance Adjustment...5559
Engine Compression Checking...5560
Fuel Shut-Off Solenoid Removal And Installation...5561
Checking Fuel Injection Pump...5562
Fuel Injection Pump Removal And Installation...5563
Fuel Injection Pump Timing...5565
Fuel Injector Nozzles...5566
Fuel Injector Nozzles Removal And Installation...5567
Fuel Injector Nozzles Check...5568
ENGINE...5569
Removal And Installation...5569
Mount Replacement...5573
RECONDITIONING THE ENGINE...5575
Cylinder Head Removal And Installation...5575
Cylinder Head Disassembly And Assembly...5576
Cylinder Head Servicing...5577
Cylinder Head Top Clearance...5577
Valve Guide Checking...5578
Reconditioning The Valve And Valve Seat...5579
Valve Spring...5580
Rocker Arm And Shaft Checking...5580
Timing Gearcase Cover Removal And Installation...5581
Idler Gear And Camshaft Removal And Installation...5583
Camshaft Servicing...5584
Idler Gear And Shaft Servicing...5585
Timing Gears Checking Backlash...5586
Fuel Camshaft Removal And Installation...5587
Fuel Camshaft Governor...5587
Crankshaft Gear Removal And Installation...5588
Oil Pump Removal And Installation...5588
Oil Pump Service...5588
Checking Engine Oil Pressure...5589
Oil Pump Relief Valve...5590
Piston And Connecting Rod Removal And Installation...5590
Piston And Connecting Rod Servicing...5592
Connecting Rod Alignment...5594
Crankshaft And Bearings Removal And Installation...5594
Crankshaft And Bearings, Servicing...5596
Cylinder Bore, Checking...5599
Water Pump Removal And Installation...5600
Water Pump Disassembly And Assembly...5600
FLYWHEEL HOUSING...5601
Removal And Installation...5601
FLYWHEEL...5603
Removal And Installation...5603
Ring Gear Removal And Installation...5603
DRIVE COUPLER...5605
Removal And Installation...5605
TURBO...5607
Not Available At Time Of Print...5607
SPECIFICATIONS...5609
LOADER SPECIFICATIONS...5611
Loader Backhoe Dimensions...5611
Performance...5612
Controls...5612
Engine...5612
Hydraulic System...5613
Electrical...5613
Drive System...5613
Capacities...5613
Tires...5613
ENGINE SPECIFICATIONS...5615
Fuel Injection Nozzles...5615
Fuel Injection Pump...5615
Cylinder Head...5615
Valves...5615
Valve Springs...5616
Valve Timing...5616
Rocker Arms...5616
Camshaft...5616
Cylinders...5616
Tappet...5616
Piston Rings...5617
Pistons...5617
Crankshaft...5617
Oil Pump...5617
Thermostat...5618
Connecting Rods...5618
Timing Gear...5618
Engine Bolt Torque...5619
Grinding Specifications for the Crankshaft...5620
LOADER BACKHOE TORQUE...5621
Specifications...5621
TORQUE SPECIFICATIONS FOR BOLTS...5623
Torque For General Metric Bolts...5623
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...5625
Specifications...5625
CONVERSIONS...5627
Decimal And Millimeter Equivalents...5627
U.S. To Metric Conversion...5627
SMR...5629
B300-1...5629
B300-2...5631
B300-3...5633
B300-4...5635
B300 Service Manual 6903702 enUS sm 06-12...5637
MAINTENANCE SAFETY...5639
ALPHABETICAL INDEX...5641
CONTENTS...5643
FOREWORD...5644
SAFETY INSTRUCTIONS...5647
Fire Prevention...5649
SERIAL NUMBER LOCATION...5651
Loader Backhoe Serial Number...5651
Engine Serial Number...5651
DELIVERY REPORT...5652
LOADER BACKHOE IDENTIFICATION...5653
SAFETY AND MAINTENANCE...5655
LIFTING AND BLOCKING THE LOADER BACKHOE...5657
Procedure...5657
APPROVED LIFT ARM SUPPORT DEVICE...5659
Installing The Approved Lift Arm Support Device...5659
Removing The Approved Lift Arm Support Device...5660
ENGINE COVER...5661
TRANSPORTING THE LOADER BACKHOE...5663
Procedure...5663
TOWING THE LOADER BACKHOE...5665
Procedure...5665
AXLE TOE-IN...5667
Procedure...5667
SERVICE SCHEDULE...5669
Chart...5669
AIR CLEANER SERVICE...5671
Replacing The Filter...5671
ENGINE COOLING SYSTEM...5673
Cleaning The Cooling System...5673
Checking Coolant Level...5673
Coolant Replacement...5673
FUEL SYSTEM...5675
Fuel Specifications...5675
Filling The Fuel Tank...5675
Fuel Filter...5675
Removing Air From The Fuel System...5677
ENGINE LUBRICATION SYSTEM...5679
Checking Engine Oil...5679
Oil Chart...5679
Replacing The Oil And Filter...5680
HYDRAULIC/HYDROSTATIC SYSTEM...5683
Checking And Adding Fluid...5683
Cleaning The Oil Cooler/Radiator...5684
Replacing Hydraulic/Hydrostatic Filter...5684
Replacing Hydraulic Fluid...5685
AXLES (FRONT AND REAR)...5687
Checking Oil Level (Planetary Carrier)...5687
Draining Oil (Planetary Carrier)...5687
Checking Oil Level (Rear Axle)...5688
Draining Oil (Rear Axle)...5688
Checking Oil Level (Front Axle)...5688
Draining Oil (Front Axle)...5688
BOOM LOCK PIN...5689
Engaging And Disengaging The Pin...5689
BOB-TACH HAND LEVER...5691
Inspection And Maintenance...5691
ALTERNATOR BELT...5693
Adjusting The Alternator Belt...5693
LUBRICATING THE LOADER BACKHOE...5695
TIRE MAINTENANCE...5703
Wheel Nuts...5703
Mounting...5703
Tire Pressure...5703
HYDRAULIC SYSTEM...5705
HYDRAULIC/HYDROSTATIC SCHEMATIC...5709
HYDRAULIC SYSTEM INFORMATION...5711
Troubleshooting...5714
Description...5715
ARM CYLINDER...5717
Checking...5717
Removal And Installation...5718
Parts Identification...5721
Disassembly...5722
Assembly...5724
BOOM CYLINDER...5727
Checking...5727
Removal And Installation...5729
Parts Identification...5732
Disassembly...5733
Assembly...5735
SWING CYLINDER...5739
Checking...5739
Removal And Installation...5740
Parts Identification...5742
Disassembly...5743
Assembly...5745
Bushing Removal And Installation...5748
BUCKET CYLINDER...5749
Checking...5749
Removal And Installation...5751
Parts Identification...5754
Disassembly...5755
Assembly...5757
STABILIZER CYLINDER...5759
Checking...5759
Removal And Installation...5761
Parts Identification...5763
Disassembly...5764
Assembly...5768
TILT CYLINDER...5773
Checking...5773
Removal And Installation...5774
Parts Identification...5776
Disassembly...5777
Assembly...5779
LIFT CYLINDER...5781
Checking...5781
Removal And Installation...5782
Parts Identification...5784
Disassembly...5785
Assembly...5787
STEERING CYLINDER (FRONT)...5791
Removal And Installation...5791
Parts Identification...5795
Disassembly And Assembly...5796
Inspection...5799
STEERING CYLINDER (REAR)...5801
Removal And Installation...5801
Parts Identification...5804
Disassembly And Assembly...5805
Inspection...5808
MAIN RELIEF VALVE...5809
Description...5809
Testing...5809
Adjustment...5810
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...5811
Testing And Adjusting (Arm Control)...5811
Testing And Adjusting (Bucket Control)...5812
Testing And Adjusting (Boom Control)...5814
Testing And Adjusting (Boom Swing Control)...5815
PORT RELIEF VALVE (LOADER CONTROL VALVE)...5817
Testing And Adjusting (Bucket Tilt)...5817
Testing And Adjusting (Front Auxiliary)...5819
LOADER CONTROL VALVE...5821
Removal And Installation...5821
Parts Identification...5823
Disassembly And Assembly...5824
Inlet/Outlet Valve Section...5824
Lift Arm Valve Section...5826
Tilt Valve Section...5830
Auxiliary Valve Section (Front)...5835
BACKHOE CONTROL VALVE...5841
Removal And Installation...5841
Parts Identification...5843
Disassembly And Assembly...5844
Inlet/Outlet Valve Section...5845
Arm Valve Section...5847
Bucket Valve Section...5850
Right Stabilizer Valve Section...5854
Left Stabilizer Valve Section...5857
Boom Valve Section...5861
Boom Swing Valve Section...5864
Outlet Valve Section...5867
HYDRAULIC FLUID RESERVOIR...5869
Removal And Installation...5869
Strainer Removal And Installation...5871
HYDRAULIC FILTER HOUSING...5873
Removal And Installation...5873
Disassembly...5874
Assembly...5875
HYDRAULIC FILTER...5877
Removal And Installation...5877
GEAR PUMP...5879
Removal And Installation...5879
Parts Identification...5880
Disassembly And Assembly...5881
Inspection...5884
STEERING PUMP...5885
Removal And Installation...5885
Parts Identification...5887
Disassembly...5888
Inspection...5897
Assembly...5897
STEERING VALVE...5907
Removal And Installation...5907
Wheel Alignment Procedure...5907
MASTER CYLINDER...5909
Removal And Installation...5909
Parts Identification...5910
Disassembly And Assembly...5911
HYDROSTATIC SYSTEM...5913
HYDROSTATIC SYSTEM INFORMATION...5915
Troubleshooting Chart...5915
Replenishing Valve Function...5916
OIL COOLER/RADIATOR...5917
Description...5917
HYDROSTATIC DRIVE MOTOR...5919
Removal And Installation...5919
Parts Identification...5921
Disassembly...5923
Inspection...5938
Assembly...5941
HYDROSTATIC PUMP...5957
Removal And Installation...5957
Parts Identification...5960
Disassembly...5962
Inspection...5977
Assembly...5980
HYDROSTATIC PUMP TESTING...5997
Hydrostatic Pump Work Sheet...5997
Pump Testing...6000
DRIVE SYSTEM...6005
TROUBLESHOOTING...6007
Chart...6007
PARKING BRAKE HOUSING...6009
Removal And Installation...6009
Parts Identification...6010
Disassembly And Assembly...6011
SERVICE BRAKE...6021
Description...6021
Bleeding The Brake Circuit...6021
REAR AXLE...6023
Removal...6023
Installation...6026
AXLE AND DIFFERENTIAL (REAR)...6031
Troubleshooting Chart...6031
General Information...6032
Planetary Carrier Parts Identification...6033
Planetary Carrier Disassembly...6034
Planetary Carrier Inspection...6036
Wheel Hub/Brake Group Parts Identification...6037
Wheel Hub/Brake Group Disassembly...6038
Steering Knuckle Parts Identification...6044
Steering Knuckle Disassembly...6045
Axle Housing/Drive Axle Parts Identification...6047
Axle Housing/Drive Axle Disassembly...6048
Differential Carrier Removal...6051
Differential Carrier Disassembly...6052
Differential Carrier Disassembly (Cont’d)...6053
AXLE AND DIFFERENTIAL (REAR) (CONT’D)...6054
Pinion Group Parts Identification...6054
Pinion Group Disassembly...6055
Inspection...6057
Pinion Group Inspection...6060
Differential Parts Identification...6061
Differential Disassembly...6061
Differential Inspection...6064
Differential Assembly...6066
Pinion Group Assembly...6069
Differential Carrier Assembly...6078
Differential Carrier Installation...6081
Axle Housing/Drive Axle Assembly...6082
Steering Knuckle Assembly...6085
Wheel Hub/Brake Group Assembly...6088
Planetary Carrier Assembly...6093
STEERING ANGLE ADJUSTMENT (REAR AXLE)...6097
Adjustment...6097
FRONT AXLE...6099
Removal...6099
Installation...6101
Axle Pivot Bushing Removal And Installation...6102
AXLE AND DIFFERENTIAL (FRONT)...6105
Troubleshooting Chart...6105
General Information...6106
Planetary Carrier Parts Identification...6106
Planetary Carrier Disassembly...6107
Planetary Carrier Inspection...6109
Wheel Hub Parts Identification...6110
Wheel Hub Disassembly...6111
Wheel Hub Inspection...6114
Steering Knuckle Parts Identification...6114
Steering Knuckle Disassembly...6115
Axle Housing/Drive Axle Parts Identification...6117
Axle Housing/Drive Axle Disassembly...6118
Differential Carrier Removal...6121
Differential Carrier Disassembly...6122
AXLE AND DIFFERENTIAL (FRONT) (CONT’D)...6124
Pinion Group Parts Identification...6124
Pinion Group Disassembly...6125
Pinion Group Inspection...6127
Differential Parts Identification...6128
Differential Disassembly...6128
Differential Inspection...6131
Differential Assembly...6132
Pinion Group Assembly...6135
Differential Carrier Assembly...6141
Axle Housing/Drive Axle Assembly...6146
Steering Knuckle Assembly...6149
Wheel Hub Assembly...6152
Planetary Carrier Assembly...6154
STEERING ANGLE ADJUSTMENT (FRONT AXLE)...6157
Adjustment...6157
DRIVESHAFT...6159
Removal And Installation...6159
DROP BOX...6161
Removal And Installation...6161
Parts Identification...6164
Disassembly...6166
Inspection...6171
Assembly...6173
BRAKE PEDAL ASSEMBLY...6181
Removal And Installation...6181
MAIN FRAME...6185
OPERATOR CANOPY...6187
Removal And Installation...6187
ENCLOSED CAB...6193
Not Available At Time Of Print...6193
OPERATOR SEAT...6195
Removal And Installation...6195
FLOOR PANELS...6197
Front Panel Removal And Installation...6197
Rear Panel Removal And Installation...6197
Front Right Panel Removal And Installation...6198
Front Left Panel Removal And Installation...6198
GRILL...6199
Removal And Installation...6199
GRILL FRAME...6201
Removal And Installation...6201
ENGINE SIDE COVERS...6203
Removal And Installation...6203
FENDER...6205
Removal And Installation...6205
ENGINE COVER...6207
Removal And Installation...6207
FUEL TANK...6209
Removal And Installation...6209
Screen Removal And Installation...6211
LIFT ARMS...6213
Removal And Installation...6213
BOB-TACH...6219
Removal And Installation...6219
Bob-Tach Lever And Wedge...6220
Pivot Pin Bushing Removal And Installation...6222
ARM...6223
Removal And Installation...6223
Arm Pivot Bushing Removal And Installation...6225
BOOM...6227
Removal And Installation...6227
Boom Pivot Bushing Removal And Installation...6228
SWING FRAME...6229
Removal And Installation...6229
X-CHANGE™...6231
Removal And Installation...6231
BUCKET...6233
Backhoe Bucket Teeth Removal And Installation...6233
Loader Bucket Teeth Removal And Installation...6233
LIFT ARM STABILIZER...6235
Removal And Installation...6235
CENTER FLOOR PANEL...6237
Removal And Installation...6237
STABILIZER...6241
Removal And Installation...6241
ELECTRICAL SYSTEM AND ANALYSIS...6243
ELECTRICAL SCHEMATIC...6245
ELECTRICAL SYSTEM INFORMATION...6247
Troubleshooting Chart...6247
Description...6248
Fuse And Relay Location...6248
Relay Location...6248
BATTERY...6249
Removal And Installation...6249
Servicing The Electrical System...6250
Using A Booster Battery (Jump Starting)...6251
ALTERNATOR...6253
Adjusting The Alternator Belt...6253
Description...6253
Tests...6254
Alternator Output Test...6254
Full Field Test...6255
Alternator Regulator Test...6255
Alternator Regulator Test With Voltmeter...6256
Alternator Removal And Installation...6257
Parts Identification...6258
Pulley Removal And Installation...6259
Disassembly And Assembly...6260
Rotor Continuity Test...6263
Stator Continuity Test...6263
Rectifier Continuity (Diode) Test...6264
Brush Length...6264
STARTER...6265
Removal And Installation...6265
Checking The Starter In The Loader...6265
Parts Identification...6267
Disassembly...6268
Inspection And Repair...6273
No Load Test...6277
Assembly...6278
FRONT LIGHTS...6285
Bulb Removal And Installation...6285
Housing Removal And Installation...6287
TURN INDICATOR LIGHTS (FRONT)...6289
Bulb Removal And Installation...6289
TURN INDICATOR LIGHTS (REAR)...6291
Bulb Removal And Installation...6291
CAB LIGHTS...6293
Bulb Removal And Installation...6293
Housing Removal And Installation...6295
FUEL LEVEL SENDER...6297
Removal And Installation...6297
INSTRUMENT PANEL...6299
Removal And Installation...6299
ENGINE SERVICE...6301
TROUBLESHOOTING...6303
Chart...6303
ENGINE SPEED CONTROL...6305
Removal And Installation...6305
Cable And Rod Removal And Installation...6306
TRAVEL PEDAL...6309
Removal And Installation...6309
MUFFLER...6313
Removal And Installation...6313
AIR CLEANER...6315
Removal And Installation...6315
OIL COOLER/RADIATOR...6317
Removal And Installation...6317
Disassembly...6319
Inspection...6320
Assembly...6320
ENGINE COMPONENTS AND TESTING...6323
Engine Compression Checking...6323
Glow Plugs Removal And Installation...6324
Checking The Glow Plug...6325
Fuel Shut-off Solenoid Removal And Installation...6326
Fuel Injection Pump Check...6327
Fuel Injection Pump Removal And Installation...6328
Fuel Injection Pump Timing...6331
Fuel Injector Nozzles Removal And Installation...6333
Fuel Injector Nozzle Check...6335
Valve Clearance Adjustment...6336
ENGINE...6337
Removal And Installation...6337
Mount Replacement...6341
RECONDITIONING THE ENGINE...6343
Cylinder Head Removal And Installation...6343
Cylinder Head Disassembly And Assembly...6346
Cylinder Head Servicing...6347
Cylinder Head Top Clearance...6347
Valve Guide Checking...6348
Reconditioning The Valve And Valve Seat...6350
Valve Spring...6351
Rocker Arm And Shaft Checking...6352
Timing Gearcase Cover Removal And Installation...6352
Idler Gear And Camshaft Removal And Installation...6355
Camshaft Servicing...6356
Idler Gear And Shaft Servicing...6357
Timing Gears Checking Backlash...6358
Fuel Camshaft Removal And Installation...6358
Fuel Camshaft Governor...6359
Crankshaft Gear Removal And Installation...6359
Oil Pump Removal And Installation...6360
Oil Pump Service...6360
Checking Engine Oil Pressure...6361
Valve Tappets...6362
Piston And Connecting Rod Removal And Installation...6362
Piston And Connecting Rod Servicing...6364
Connecting Rod Alignment...6366
Crankshaft And Bearings Removal And Installation...6367
Crankshaft And Bearings Servicing...6369
Cylinder Bore Checking...6372
Water Pump Removal And Installation...6372
Water Pump Disassembly And Assembly...6373
Fan Removal And Installation...6374
FLYWHEEL HOUSING...6375
Removal And Installation...6375
FLYWHEEL...6377
Removal And Installation...6377
Ring Gear Removal And Installation...6377
DRIVE COUPLER...6379
Removal And Installation...6379
SPECIFICATIONS...6381
LOADER SPECIFICATIONS...6383
Loader Backhoe Dimensions...6383
Loader Performance...6384
Backhoe Performance...6384
Controls...6384
Engine...6384
Drive System...6384
Electrical...6385
Tires...6385
Capacities...6385
ENGINE SPECIFICATIONS...6387
Cylinder Head...6387
Valves...6387
Valve Springs...6388
Valve Timing...6388
Rocker Arms...6388
Camshaft...6388
Cylinders...6388
Tappet...6388
Piston Rings...6389
Pistons...6389
Crankshaft...6389
Oil Pump...6389
Thermostat...6390
Connecting Rods...6390
Timing Gear...6390
Cylinder Liner...6390
Engine Bolt Torque...6391
BACKHOE LOADER TORQUE...6393
Specifications...6393
TORQUE SPECIFICATIONS FOR BOLTS...6395
Torque For General Metric Bolts...6395
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...6397
Specifications...6397
CONVERSIONS...6399
Decimal And Millimeter Equivalents...6399
U.S. To Metric Conversion...6399
SMR...6401
B300-1...6401
B300-2...6403
B300-3...6405
B300-4...6407
BL275 Service Manual 6901968 enUS sm 06-12...6409
ALPHABETICAL INDEX...6413
CONTENTS...6415
FOREWORD...6416
SAFETY INSTRUCTIONS FOR INGERSOLL RAND LOADER BACKHOE AND ATTACHMENTS...6419
SAFE OPERATION IS THE OPERATOR’S RESPONSIBILITY...6419
FIRE PREVENTION...6420
SERIAL NUMBER LOCATION...6421
Loader Backhoe Serial Number...6421
Engine Serial Number...6421
DELIVERY REPORT...6421
INGERSOLL RAND LOADER IDENTIFICATION...6422
SAFETY & MAINTENANCE...6423
LIFTING AND BLOCKING THE LOADER BACKHOE...6425
Procedure...6425
LIFT ARM SUPPORT DEVICE...6427
Installing The Lift Arm Support Device...6427
Removing The Lift Arm Support Device...6428
ENGINE COVER...6429
TRANSPORTING THE LOADER BACKHOE...6431
Procedure...6431
TOWING THE LOADER BACKHOE...6433
Procedure...6433
AXLE TOE-IN...6435
Adjustment...6435
SERVICE SCHEDULE...6437
Chart...6437
AIR CLEANER SERVICE...6439
Replacing Filter Element...6439
ENGINE COOLING SYSTEM...6441
Coolant Replacement...6441
FUEL SYSTEM...6443
Fuel Specifications...6443
Filling The Fuel Tank...6443
Fuel Filter...6444
Removing Air From The Fuel System...6444
ENGINE LUBRICATION SYSTEM...6445
Checking Engine Oil...6445
Oil Chart...6445
Replacing Oil And Filter...6446
HYDRAULIC/HYDROSTATIC SYSTEM...6449
Checking And Adding Fluid...6449
Cleaning The Cooler...6449
Replacing Hydraulic/Hydrostatic Filter...6450
Replacing Hydraulic Fluid...6451
REAR AXLE...6453
Checking Oil Level...6453
Draining Oil...6453
FRONT AXLE...6454
Checking Oil Level...6454
Draining Oil...6454
BACKHOE BOOM LOCK...6455
Disengaging The Boom Lock...6455
Engaging Boom Lock...6456
BOB-TACH HAND LEVER...6457
Inspection And Maintenance...6457
ALTERNATOR BELT...6459
Adjusting The Alternator Belt...6459
LUBRICATING THE LOADER BACKHOE...6461
TIRE MAINTENANCE...6467
Wheel Nuts...6467
Mounting...6467
Tire Pressure...6467
HYDRAULIC SYSTEM...6469
HYDRAULIC SCHEMATICS...6473
HYDRAULIC SYSTEM INFORMATION...6479
Troubleshooting...6483
Description...6484
ARM CYLINDER...6485
Checking...6485
Removal And Installation...6487
Parts Identification...6489
Disassembly...6490
Assembly...6493
BOOM CYLINDER...6497
Checking...6497
Removal And Installation...6498
Parts Identification...6500
Disassembly...6501
Assembly...6504
SWING CYLINDER...6507
Removal And Installation...6507
Parts Identification (Left Side)...6509
Parts Identification (Right Side)...6510
Disassembly...6511
Assembly...6514
BUCKET CYLINDER...6517
Checking...6517
Removal And Installation...6519
Parts Identification...6521
Disassembly...6522
Assembly...6525
STABILIZER CYLINDER...6529
Checking...6529
Removal And Installation...6530
Parts Identification...6532
Disassembly...6533
Assembly...6540
SIDE SHIFT LOCK CYLINDER...6547
Disassembly...6547
Inspection...6550
Assembly...6551
Parts Identification...6554
TILT CYLINDER...6555
Checking...6555
Removal And Installation...6556
Parts Identification (Left Side)...6558
Parts Identification (Right Side)...6559
Disassembly...6560
Assembly...6563
LIFT CYLINDER...6567
Checking...6567
Removal And Installation...6568
Parts Identification...6569
Disassembly...6570
Assembly...6573
STEERING CYLINDER (FRONT)...6577
Removal And Installation...6577
Parts Identification...6581
Disassembly And Assembly...6582
Inspection...6585
STEERING CYLINDER (REAR)...6587
Removal And Installation...6587
Parts Identification...6590
Disassembly And Assembly...6591
Inspection...6594
MAIN RELIEF VALVE...6597
Testing The Main Relief Valve...6597
Adjustment...6598
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...6599
Testing And Adjusting (Arm Control)...6599
Testing And Adjusting (Boom Control)...6601
Testing And Adjusting (Boom Swing Control)...6603
PORT RELIEF VALVE (LOADER CONTROL VALVE)...6605
Testing And Adjusting (Bucket Tilt)...6605
Testing And Adjusting (Front Auxiliary)...6607
LOADER CONTROL VALVE...6609
Removal And Installation...6609
Parts Identification...6611
Disassembly And Assembly...6612
Inlet/Outlet Valve Section...6613
Lift Arm Valve Section...6615
Tilt Valve Section...6618
Auxiliary Valve Section...6622
BACKHOE CONTROL VALVE...6627
Removal And Installation...6627
Parts Identification...6629
Disassembly And Assembly...6630
Inlet/Outlet Valve Section...6632
Arm Valve Section...6634
Tilt Valve Section...6637
Right Stabilizer Valve Section...6640
Left Stabilizer Valve Section...6643
Boom Valve Section...6647
Boom Swing Valve Section...6650
Outlet Valve Section...6653
HYDRAULIC FLUID RESERVOIR...6655
Removal And Installation...6655
Filter Removal And Installation...6657
HYDRAULIC FILTER HOUSING...6659
Removal And Installation...6659
Disassembly...6660
Assembly...6661
GEAR PUMP...6663
Removal And Installation...6663
Parts Identification...6664
Disassembly And Assembly...6665
Inspection...6667
STEERING PUMP...6669
Removal And Installation...6669
Parts Identification...6672
Disassembly...6673
Inspection...6682
Assembly...6682
TRAVEL PEDAL...6691
Removal And Installation...6691
Parts Identification...6692
Disassembly And Assembly...6693
STEERING VALVE...6699
Removal And Installation...6699
Description...6700
Wheel Alignment Procedure...6700
HYDROSTATIC SYSTEM...6701
HYDROSTATIC SYSTEM INFORMATION...6703
Troubleshooting Chart...6703
Replenishing Valve Function...6704
OIL COOLER...6705
Removal And Installation...6705
Parts Identification...6707
Disassembly...6708
Assembly...6710
HYDROSTATIC DRIVE MOTOR...6713
Removal And Installation...6713
Parts Identification...6715
Disassembly...6716
Inspection...6720
Assembly...6722
HYDROSTATIC PUMP...6727
Removal And Installation...6727
Parts Identification...6730
Disassembly...6732
Inspection...6748
Assembly...6750
HYDROSTATIC TESTING...6765
Pump Adjustment...6765
DRIVE SYSTEM...6769
PARKING BRAKE...6771
Lever Removal And Installation...6771
Cable Removal And Installation...6772
Adjustment...6775
BRAKE CALIPER...6777
Removal And Installation...6777
Parts Identification...6780
Disassembly And Assembly...6781
BRAKE CALIPER...6787
Removal And Installation...6787
Parts Identification...6790
Disassembly And Assembly...6791
REAR AXLE...6797
Removal...6797
Installation...6800
AXLE AND DIFFERENTIAL (REAR)...6803
Troubleshooting Chart...6803
General Information...6804
Wheel Hub/Spindle Parts Identification...6804
Wheel Hub/Spindle Disassembly...6805
Drive Axle Parts Identification...6809
Drive Axle Disassembly...6810
Steering Knuckle Parts Identification...6813
Steering Knuckle Disassembly...6814
Differential Parts Identification...6817
Differential Disassembly...6818
Differential Inspection...6824
Pinion Group Parts Identification...6825
Pinion Group Disassembly...6826
Pinion Group Inspection...6829
Pinion Group Assembly...6830
Differential Assembly...6837
Steering Knuckle Assembly...6846
Drive Axle Assembly...6849
Wheel Hub/Spindle Assembly...6852
STEERING ANGLE ADJUSTMENT (REAR AXLE)...6857
Adjustment...6857
FRONT AXLE...6859
Removal...6859
Installation...6861
AXLE AND DIFFERENTIAL (FRONT)...6863
Troubleshooting Chart...6863
General Information...6864
Wheel Hub/Spindle Parts Identification...6864
Wheel Hub/Spindle Disassembly...6865
Drive Axle Parts Identification...6869
Drive Axle Disassembly...6870
Steering Knuckle Parts Identification...6873
Steering Knuckle Disassembly...6874
Differential Parts Identification...6877
Differential Disassembly...6878
Differential Inspection...6884
Pinion Group Parts Identification...6885
Pinion Group Disassembly...6886
Pinion Group Inspection...6889
Pinion Group Assembly...6890
Differential Assembly...6897
Steering Knuckle Assembly...6906
Drive Axle Assembly...6909
Wheel Hub/Spindle Assembly...6912
STEERING ANGLE ADJUSTMENT (FRONT AXLE)...6917
Adjustment...6917
DRIVESHAFT...6919
Removal And Installation...6919
DROP BOX...6921
Removal And Installation...6921
Parts Identification...6924
Disassembly...6925
Inspection...6932
Assembly...6932
MAIN FRAME...6937
OPERATOR CAB...6939
Not Available At Time Of Printing...6939
ENCLOSED CAB...6941
Removal And Installation...6941
Cab Mount Removal And Installation...6949
OPERATOR SEAT...6951
Removal And Installation...6951
FLOOR PANELS...6953
Left Front Panel Removal And Installation...6953
Right Front Panel Removal And Installation...6953
Rear Panel Removal And Installation...6954
GRILL...6955
Removal And Installation...6955
GRILL FRAME...6957
Removal And Installation...6957
ENGINE SIDE COVERS...6959
Removal And Installation...6959
FENDER...6961
Removal And Installation...6961
ENGINE COVER...6963
Removal And Installation...6963
FUEL TANK...6965
Removal And Installation...6965
Fuel Fill Screen Removal And Installation...6966
LIFT ARMS...6967
Removal And Installation...6967
BOB-TACH...6971
Removal And Installation...6971
Bob-Tach Lever And Wedge...6973
Pivot Pin Bushing Removal And Installation...6975
ARM...6977
Removal And Installation...6977
Arm Pivot Bushing Removal And Installation...6978
BOOM...6979
Removal And Installation...6979
SWING FRAME...6983
Removal And Installation...6983
Bushing Removal And Installation...6984
X-CHANGE™...6985
Removal And Installation...6985
BUCKET...6987
Backhoe Bucket Teeth Removal And Installation...6987
Loader Bucket Teeth Removal And Installation...6987
STABILIZER FRAME...6989
Removal And Installation...6989
FRONT AXLE PIVOT FRAME...6999
Removal...6999
Installation...7000
Bushing Removal And Installation...7001
REAR WINDOW...7003
Removal And Installation...7003
CAB DOOR...7007
Removal And Installation...7007
ELECTRICAL SYSTEM AND ANALYSIS...7009
ELECTRICAL SCHEMATICS...7011
ELECTRICAL SYSTEM INFORMATION...7017
Troubleshooting Chart...7017
Description...7018
Fuse Location...7018
BATTERY...7019
Removal And Installation...7019
Servicing The Electrical System...7020
Using A Booster Battery (Jump Starting)...7021
ALTERNATOR...7023
Adjusting The Alternator Belt...7023
Description...7023
Tests...7024
Alternator Output Test...7024
Full Field Test...7025
Alternator Regulator Test...7025
Alternator Regulator Test With Voltmeter...7026
Removal And Installation...7027
Parts Identification...7028
Pulley Removal And Installation...7029
Disassembly And Assembly...7030
Rotor Continuity Test...7033
Stator Continuity Test...7033
Rectifier Continuity (Diode) Test...7034
Brush Length...7034
STARTER...7035
Removal And Installation...7035
Checking The Starter In The Loader...7035
Parts Identification...7037
Disassembly...7038
Inspection And Repair...7043
No Load Test...7047
Assembly...7048
FRONT LIGHTS...7055
Bulb Removal And Installation...7055
Housing Removal And Installation...7057
TURN INDICATOR LIGHTS (FRONT)...7059
Bulb Removal And Installation...7059
TURN INDICATOR LIGHTS (REAR)...7061
Bulb Removal And Installation...7061
CAB LIGHTS...7063
Bulb Removal And Installation...7063
Housing Removal And Installation...7065
FUEL LEVEL SENDER...7067
Removal And Installation...7067
INSTRUMENT PANEL...7069
Removal And Installation...7069
FRONT WIPER...7071
Removal And Installation...7071
REAR WIPER...7075
Removal And Installation...7075
ENGINE SERVICE...7077
TROUBLESHOOTING...7081
Chart...7081
ENGINE SPEED CONTROL...7083
Removal And Installation...7083
Cable Removal And Installation...7084
MUFFLER...7085
Removal And Installation...7085
AIR CLEANER...7087
Removal And Installation...7087
RADIATOR...7089
Removal And Installation...7089
ENGINE COMPONENTS AND TESTING...7091
Checking Engine Compression...7091
Checking Glow Plugs...7092
Glow Plug Removal And Installation...7093
Fuel Shut-Off Solenoid Removal And Installation...7094
Checking Fuel Injection Pump...7095
Fuel Injection Pump Removal And Installation...7096
Fuel Injection Pump Timing...7098
Fuel Injector Nozzles Removal And Installation...7099
Checking Fuel Injector, Nozzles...7101
Thermostat Removal And Installation...7102
Water Pump Removal And Installation...7103
ENGINE...7105
Removal And Installation...7105
Mount Replacement...7109
RECONDITIONING THE ENGINE...7111
Timing Gear Case Cover Removal And Installation...7111
Oil Pump Removal And Installation...7113
Crankshaft Front Seal Removal And Installation...7115
Engine Speed Control Plate Removal And Installation...7116
Idle Limit And Fuel Limit Adjustment...7117
Exhaust Manifold Removal And Installation...7117
Valve Cover Removal And Installation...7118
Rocker Arm Removal And Installation...7119
Push Rod Removal And Installation...7120
Tappet Removal And Installation...7121
Water Flange Removal And Installation...7121
Cylinder Head Removal And Installation...7122
Checking Piston Top Clearance...7123
Cylinder Head Disassembly And Assembly...7124
Servicing The Cylinder Head...7125
Combustion Chamber Removal And Installation...7128
Idler Gear Removal And Installation...7129
Camshaft Removal And Installation...7130
Fuel Camshaft Removal And Installation...7132
Oil Pan Removal And Installation...7134
Governor Shaft Removal And Installation...7135
Governor Fork Lever Removal And Installation...7138
Piston Removal And Installation...7140
Checking The Piston And Connecting Rod...7140
Connecting Rod Alignment...7141
Piston Ring Gap...7141
Piston Ring Installation...7142
Connecting Rod Installation...7143
Checking Engine Cylinder Bore...7143
Crankshaft Removal And Installation...7144
Checking Crankshaft Journal And Block Bearing...7146
Checking Crankshaft Journal And Main Bearing...7147
Connecting Rod Journal...7148
Checking The End Play Of The Crankshaft...7149
Crankshaft Alignment...7149
Engine Timing Installation...7150
Timing Gear Backlash, Idler Gear And Crankshaft...7150
Idler Gear And Camshaft Gear...7151
Idler Gear And Fuel Camshaft Gear...7151
Fuel Camshaft Gear And Governor Shaft Gear...7151
FLYWHEEL HOUSING...7153
Removal And Installation...7153
FLYWHEEL...7155
Removal And Installation...7155
Ring Gear Removal And Installation...7155
RUBBER DRIVE COUPLER...7157
Removal And Installation...7157
Disassembly...7157
TURBOCHARGER...7159
Removal And Installation...7159
HEATER...7163
COMPONENTS...7165
Identification...7165
HEATER FAN...7167
Removal And Installation...7167
HEATER UNIT...7169
Removal And Installation...7169
Parts Identification...7171
Disassembly And Assembly...7172
SPECIFICATIONS...7175
LOADER SPECIFICATIONS...7177
Loader Backhoe Dimensions...7177
Performance...7178
Controls...7178
Engine...7178
Hydraulic System...7179
Electrical...7179
Drive System...7180
Capacities...7180
Tires...7180
ENGINE SPECIFICATIONS...7181
Engine Compression...7181
Fuel Injection Nozzles...7181
Fuel Injection Pump...7181
Cylinder Head...7181
Valves...7181
Valve Springs...7182
Rocker Arms...7182
Camshaft...7182
Cylinders...7182
Piston Rings...7183
Pistons...7183
Crankshaft...7183
Oil Pump...7184
Thermostat...7184
Grinding Specifications for the Crankshaft...7185
LOADER BACKHOE TORQUE...7187
Specifications...7187
TORQUE SPECIFICATIONS FOR BOLTS...7189
Torque For General Metric Bolts...7189
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...7191
Specifications...7191
CONVERSIONS...7193
Decimal And Millimeter Equivalents...7193
U.S. To Metric Conversion...7193
SMR...7195
Revision No: BL-275-1...7195
Revision No: BL-275-2...7197
Revision No: BL-275-3...7199
Revision No: BL-275-4...7201
Revision No: BL-275-5...7203
BL275 Service Manual 6902717 enUS sm 06-12...7205
ALPHABETICAL INDEX...7209
CONTENTS...7211
FOREWORD...7212
SAFETY INSTRUCTIONS...7215
Before Operation...7215
Fire Prevention...7217
SERIAL NUMBER LOCATION...7218
Loader Backhoe Serial Number...7218
Engine Serial Number...7218
DELIVERY REPORT...7218
INGERSOLL-RAND IDENTIFICATIONS...7219
SAFETY & MAINTENANCE...7221
LIFTING AND BLOCKING THE LOADER BACKHOE...7223
Procedure...7223
APPROVED LIFT ARM SUPPORT DEVICE...7225
Installing The Approved Lift Arm Support Device...7225
Removing The Approved Lift Arm Support Device...7226
ENGINE COVER...7227
TRANSPORTING THE LOADER BACKHOE...7229
Procedure...7229
TOWING THE LOADER BACKHOE...7231
Procedure...7231
AXLE TOE-IN...7233
Adjustment...7233
SERVICE SCHEDULE...7235
Chart...7235
AIR CLEANER SERVICE...7237
Replacing The Filter...7237
ENGINE COOLING SYSTEM...7239
Coolant Replacement...7239
FUEL SYSTEM...7241
Fuel Specifications...7241
Filling The Fuel Tank...7241
Fuel Filter...7241
Removing Air From The Fuel System...7242
ENGINE LUBRICATION SYSTEM...7243
Checking Engine Oil...7243
Oil Chart...7243
Replacing The Oil And Filter...7243
HYDRAULIC/HYDROSTATIC SYSTEM...7245
Checking And Adding Fluid...7245
Cleaning The Cooler...7246
Replacing Hydraulic/Hydrostatic Filter...7246
Replacing Hydraulic Fluid...7247
REAR AXLE...7249
Checking Oil Level...7249
Draining Oil...7249
FRONT AXLE...7249
Checking Oil Level...7249
Draining Oil...7249
BOOM LOCK PIN...7251
Engaging And Disengaging The Pin...7251
BOB-TACH...7253
Inspection And Maintenance...7253
ALTERNATOR BELT...7255
Adjusting The Alternator Belt...7255
LUBRICATING THE LOADER BACKHOE...7257
TIRE MAINTENANCE...7263
Wheel Nuts...7263
Tire Mounting...7263
Tire Pressure...7263
SWING LOCK PIN...7265
Engaging The Swing Lock Pin...7265
HYDRAULIC SYSTEM...7267
HYDRAULIC/HYDROSTATIC SCHEMATICS...7271
HYDRAULIC SYSTEM INFORMATION...7275
Troubleshooting...7279
Description...7280
ARM CYLINDER...7281
Checking...7281
Removal And Installation...7282
Parts Identification...7285
Disassembly...7286
Assembly...7288
BOOM CYLINDER...7291
Checking...7291
Removal And Installation...7293
Parts Identification...7296
Disassembly...7297
Assembly...7299
SWING CYLINDER...7301
Checking...7301
Removal And Installation...7302
Parts Identification...7304
Disassembly...7305
Assembly...7307
Bushing Removal And Installation...7309
BUCKET CYLINDER...7311
Checking...7311
Removal And Installation...7313
Parts Identification...7316
Disassembly...7317
Assembly...7319
STABILIZER CYLINDER...7321
Checking...7321
Removal And Installation...7322
Parts Identification...7325
Disassembly...7326
Assembly...7330
SIDE SHIFT LOCK CYLINDER...7333
Removal And Installation...7333
Parts Identification...7335
Disassembly...7336
Assembly...7337
TILT CYLINDER...7339
Checking...7339
Removal And Installation...7340
Parts Identification...7342
Disassembly...7343
Assembly...7345
LIFT CYLINDER...7347
Checking...7347
Removal And Installation...7348
Parts Identification...7350
Disassembly...7351
Assembly...7353
STEERING CYLINDER (FRONT)...7355
Removal And Installation...7355
Parts Identification...7359
Disassembly And Assembly...7360
Inspection...7363
STEERING CYLINDER (REAR)...7365
Removal And Installation...7365
Parts Identification...7368
Disassembly And Assembly...7369
Inspection...7372
MAIN RELIEF VALVE...7375
Testing The Main Relief Valve...7375
Adjustment...7376
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...7377
Testing And Adjusting (Arm Control)...7377
Testing And Adjusting (Boom Control)...7379
Testing And Adjusting (Boom Swing Control)...7381
PORT RELIEF VALVE (LOADER CONTROL VALVE)...7383
Testing And Adjusting (Bucket Tilt)...7383
Testing And Adjusting (Front Auxiliary)...7385
LOADER CONTROL VALVE...7387
Removal And Installation...7387
Parts Identification...7389
Disassembly And Assembly...7390
Inlet/Outlet Valve Section...7391
Lift Arm Valve Section...7393
Tilt Valve Section...7396
Auxiliary Valve Section...7400
BACKHOE CONTROL VALVE...7405
Removal And Installation...7405
Parts Identification...7407
Disassembly And Assembly...7408
Inlet/Outlet Valve Section...7409
Arm Valve Section...7412
Tilt Valve Section...7415
Right Stabilizer Valve Section...7418
Left Stabilizer Valve Section...7421
Boom Valve Section...7425
Boom Swing Valve Section...7428
Outlet Valve Section...7431
HYDRAULIC FLUID RESERVOIR...7433
Removal And Installation...7433
Strainer Removal And Installation...7435
HYDRAULIC FILTER HOUSING...7437
Removal And Installation...7437
Disassembly...7438
Assembly...7439
GEAR PUMP...7441
Removal And Installation...7441
Parts Identification...7442
Disassembly And Assembly...7443
Inspection...7445
STEERING PUMP...7447
Removal And Installation...7447
Parts Identification...7448
Disassembly...7449
Inspection...7458
Assembly...7458
TRAVEL PEDAL...7467
Removal And Installation...7467
Parts Identification...7468
Disassembly And Assembly...7469
STEERING VALVE...7475
Removal And Installation...7475
Adjustment...7476
SAPR BRAKE CYLINDER...7477
Removal And Installation...7477
Parts Identification...7479
Disassembly...7480
Assembly...7482
SAPR BRAKE CONTROL VALVE...7485
Removal And Installation...7485
Parts Identification...7486
Disassembly And Assembly...7487
HYDROSTATIC SYSTEM...7489
HYDROSTATIC SYSTEM INFORMATION...7491
Troubleshooting Chart...7491
Replenishing Valve Function...7492
OIL COOLER...7493
Removal And Installation...7493
Parts Identification...7494
HYDROSTATIC DRIVE MOTOR...7495
Removal And Installation...7495
Parts Identification...7496
Disassembly...7497
Inspection...7501
Assembly...7503
HYDROSTATIC PUMP...7509
Removal And Installation...7509
Parts Identification...7512
Disassembly...7514
Inspection...7530
Assembly...7532
HYDROSTATIC TESTING...7547
Pump Adjustment...7547
DRIVE SYSTEM...7551
PARKING BRAKE...7553
Lever Removal And Installation...7553
Cable Removal And Installation...7554
Adjustment...7556
PARKING BRAKE...7557
Lever Removal And Installation...7557
Cable Removal And Installation...7558
Adjustment...7560
REAR AXLE...7561
Removal...7561
Installation...7564
AXLE AND DIFFERENTIAL (REAR)...7567
Drive Axle Parts Identification...7573
Drive Axle Disassembly...7574
Troubleshooting Chart...7567
General Information...7568
Wheel Hub/Spindle Parts Identification...7568
Wheel Hub/Spindle Disassembly...7569
Steering Knuckle Parts Identification...7577
Steering Knuckle Disassembly...7578
Differential Parts Identification...7581
Differential Disassembly...7582
Differential Inspection...7588
Pinion Group Parts Identification...7589
Pinion Group Disassembly...7590
Pinion Group Inspection...7593
Pinion Group Assembly...7594
Differential Assembly...7601
Steering Knuckle Assembly...7610
Drive Axle Assembly...7613
Wheel Hub/Spindle Assembly...7616
STEERING ANGLE ADJUSTMENT (REAR AXLE)...7621
Adjustment...7621
FRONT AXLE...7623
Removal...7623
Installation...7625
AXLE AND DIFFERENTIAL (FRONT)...7627
Troubleshooting Chart...7627
General Information...7628
Wheel Hub/Spindle Parts Identification...7628
Wheel Hub/Spindle Disassembly...7629
Drive Axle Parts Identification...7633
Drive Axle Disassembly...7634
Steering Knuckle Parts Identification...7637
Steering Knuckle Disassembly...7638
Differential Parts Identification...7641
Differential Disassembly...7642
Differential Inspection...7648
Pinion Group Parts Identification...7649
Pinion Group Disassembly...7650
Pinion Group Inspection...7653
Pinion Group Assembly...7654
Differential Assembly...7661
Steering Knuckle Assembly...7670
Drive Axle Assembly...7673
Wheel Hub/Spindle Assembly...7676
STEERING ANGLE ADJUSTMENT (FRONT AXLE)...7681
Adjustment...7681
DRIVESHAFT...7683
Removal And Installation...7683
DROP BOX...7685
Removal And Installation...7685
Parts Identification...7688
Disassembly...7689
Inspection...7696
Assembly...7696
MAIN FRAME...7701
OPERATOR CAB...7703
Not Available At Time Of Printing...7703
ENCLOSED CAB...7705
Removal And Installation...7705
Cab Mount Removal And Installation...7712
OPERATOR SEAT...7713
Removal And Installation...7713
FLOOR PANELS...7715
Left Front Panel Removal And Installation...7715
Right Front Panel Removal And Installation...7715
Rear Panel Removal And Installation...7716
GRILL...7717
Removal And Installation...7717
GRILL FRAME...7719
Removal And Installation...7719
ENGINE SIDE COVERS...7721
Removal And Installation...7721
FENDER...7723
Removal And Installation...7723
ENGINE COVER...7725
Removal And Installation...7725
FUEL TANK...7727
Removal And Installation...7727
Fuel Fill Screen Removal And Installation...7728
LIFT ARMS...7729
Removal And Installation...7729
BOB-TACH...7733
Removal And Installation...7733
Bob-Tach Lever And Wedge...7735
Pivot Pin Bushing Removal And Installation...7737
ARM...7739
Removal And Installation...7739
Arm Pivot Bushing Removal And Installation...7741
BOOM...7743
Removal And Installation...7743
Boom Pivot Bushing Removal And Installation...7744
SWING FRAME...7745
Removal And Installation...7745
Bushing Removal And Installation...7747
X-CHANGE™...7749
Removal And Installation...7749
BUCKET...7751
Backhoe Bucket Teeth Removal And Installation...7751
Loader Bucket Teeth Removal And Installation...7751
STABILIZER FRAME...7753
Removal And Installation...7753
FRONT AXLE PIVOT FRAME...7757
Removal...7757
Installation...7758
Bushing Removal And Installation...7759
REAR WINDOW...7761
Removal And Installation...7761
CAB DOOR...7765
Removal And Installation...7765
ELECTRICAL SYSTEM AND ANALYSIS...7767
ELECTRICAL SCHEMATICS...7769
ELECTRICAL SYSTEM INFORMATION...7773
Troubleshooting Chart...7773
Description...7774
Fuse Location...7774
BATTERY...7775
Removal And Installation...7775
Servicing The Electrical System...7776
Using A Booster Battery (Jump Starting)...7777
ALTERNATOR...7779
Adjusting The Alternator Belt...7779
Description...7779
Tests...7780
Alternator Output Test...7780
Full Field Test...7781
Alternator Regulator Test...7781
Alternator Regulator Test With Voltmeter...7782
Removal And Installation...7783
Parts Identification...7784
Pulley Removal And Installation...7785
Disassembly And Assembly...7786
Rotor Continuity Test...7789
Stator Continuity Test...7789
Rectifier Continuity (Diode) Test...7790
Brush Length...7790
STARTER...7791
Removal And Installation...7791
Checking The Starter In The Loader...7791
Parts Identification...7793
Disassembly...7794
Inspection And Repair...7799
No Load Test...7803
Assembly...7804
FRONT LIGHTS...7811
Bulb Removal And Installation...7811
Housing Removal And Installation...7813
TURN INDICATOR LIGHTS (FRONT)...7815
Bulb Removal And Installation...7815
TURN INDICATOR LIGHTS (REAR)...7817
Bulb Removal And Installation...7817
CAB LIGHTS...7819
Bulb Removal And Installation...7819
Housing Removal And Installation...7821
FUEL LEVEL SENDER...7823
Removal And Installation...7823
INSTRUMENT PANEL...7825
Removal And Installation...7825
FRONT WIPER...7827
Removal And Installation...7827
REAR WIPER...7831
Removal And Installation...7831
ENGINE SERVICE...7833
TROUBLESHOOTING...7837
Chart...7837
ENGINE SPEED CONTROL...7839
Removal And Installation...7839
Cable Removal And Installation...7840
MUFFLER...7841
Removal And Installation...7841
AIR CLEANER...7843
Removal And Installation...7843
RADIATOR...7845
Removal And Installation...7845
ENGINE COMPONENTS AND TESTING...7847
Checking Engine Compression...7847
Checking Glow Plugs...7848
Glow Plug Removal And Installation...7849
Fuel Shut-Off Solenoid Removal And Installation...7850
Checking Fuel Injection Pump...7851
Fuel Injection Pump Removal And Installation...7852
Fuel Injection Pump Timing...7854
Fuel Injector Nozzles Removal And Installation...7855
Checking Fuel Injector, Nozzles...7857
Thermostat Removal And Installation...7858
Water Pump Removal And Installation...7859
ENGINE...7861
Removal And Installation...7861
Mount Replacement...7865
RECONDITIONING THE ENGINE...7867
Timing Gear Case Cover Removal And Installation...7867
Oil Pump Removal And Installation...7869
Crankshaft Front Seal Removal And Installation...7871
Engine Speed Control Plate Removal And Installation...7872
Idle Limit And Fuel Limit Adjustment...7873
Exhaust Manifold Removal And Installation...7873
Valve Cover Removal And Installation...7874
Rocker Arm Removal And Installation...7875
Push Rod Removal And Installation...7876
Tappet Removal And Installation...7877
Water Flange Removal And Installation...7877
Cylinder Head Removal And Installation...7878
Checking Piston Top Clearance...7879
Cylinder Head Disassembly And Assembly...7880
Servicing The Cylinder Head...7881
Combustion Chamber Removal And Installation...7884
Idler Gear Removal And Installation...7885
Camshaft Removal And Installation...7886
Fuel Camshaft Removal And Installation...7888
Oil Pan Removal And Installation...7890
Governor Shaft Removal And Installation...7891
Governor Fork Lever Removal And Installation...7894
Piston Removal And Installation...7896
Checking The Piston And Connecting Rod...7896
Connecting Rod Alignment...7897
Piston Ring Gap...7897
Piston Ring Installation...7898
Connecting Rod Installation...7899
Checking Engine Cylinder Bore...7899
Crankshaft Removal And Installation...7900
Checking Crankshaft Journal And Block Bearing...7902
Checking Crankshaft Journal And Main Bearing...7903
Connecting Rod Journal...7904
Checking The End Play Of The Crankshaft...7905
Crankshaft Alignment...7905
Engine Timing Installation...7906
Timing Gear Backlash, Idler Gear And Crankshaft...7906
Idler Gear And Camshaft Gear...7907
Idler Gear And Fuel Camshaft Gear...7907
Fuel Camshaft Gear And Governor Shaft Gear...7907
FLYWHEEL HOUSING...7909
Removal And Installation...7909
FLYWHEEL...7911
Removal And Installation...7911
Ring Gear Removal And Installation...7911
RUBBER DRIVE COUPLER...7913
Removal And Installation...7913
Disassembly...7913
TURBOCHARGER...7915
Checking...7915
Description...7915
Removal And Installation...7915
HEATER...7919
COMPONENTS...7921
Identification...7921
HEATER FAN...7923
Removal And Installation...7923
HEATER UNIT...7925
Removal And Installation...7925
Parts Identification...7927
Disassembly And Assembly...7928
SPECIFICATIONS...7931
LOADER BACKHOE SPECIFICATIONS...7933
Loader Backhoe Dimensions...7933
Backhoe Rated Load Capacity (Per SAE J31)...7934
Performance...7935
Controls...7935
Engine...7935
Hydraulic System...7936
Electrical...7936
Drive System...7937
Capacities...7937
Tires...7937
ENGINE SPECIFICATIONS...7939
Engine Compression...7939
Fuel Injection Nozzles...7939
Fuel Injection Pump...7939
Cylinder Head...7939
Valves...7939
Valve Springs...7940
Rocker Arms...7940
Camshaft...7940
Cylinders...7940
Piston Rings...7941
Pistons...7941
Crankshaft...7941
Oil Pump...7942
Thermostat...7942
Grinding Specifications for the Crankshaft...7943
LOADER BACKHOE TORQUE...7945
Specifications...7945
TORQUE SPECIFICATIONS FOR BOLTS...7947
Torque For General Metric Bolts...7947
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...7949
Specifications...7949
CONVERSIONS...7951
Decimal And Millimeter Equivalents...7951
U.S. To Metric Conversion...7951
SMR...7953
Revision No: BL275-1...7953
Revision No: BL275-2...7955
Revision No: BL-275-3...7957
BL370 Service Manual 22535801 enUS sm 06-12...7959
ALPHABETICAL INDEX...7961
MAINTENANCE SAFETY...7963
CONTENTS...7965
FOREWORD...7966
SAFETY INSTRUCTIONS...7969
Before Operation...7969
Fire Prevention...7971
SERIAL NUMBER LOCATION...7972
Backhoe Loader Serial Number...7972
Engine Serial Number...7972
DELIVERY REPORT...7972
BACKHOE LOADER IDENTIFICATION...7973
SAFETY AND MAINTENANCE...7975
LIFTING AND BLOCKING THE BACKHOE LOADER...7977
Procedure...7977
APPROVED LIFT ARM SUPPORT DEVICE...7979
Installing The Approved Lift Arm Support Device...7979
Removing The Approved Lift Arm Support Device...7980
ENGINE COVER...7981
TRANSPORTING THE BACKHOE LOADER...7983
Procedure...7983
TOWING THE BACKHOE LOADER...7985
Procedure...7985
AXLE TOE-IN...7987
Procedure...7987
SERVICE SCHEDULE...7989
Chart...7989
AIR CLEANER SERVICE...7991
Replacing The Filter...7991
ENGINE COOLING SYSTEM...7993
Cleaning The Cooling System...7993
Checking Coolant Level...7993
Coolant Replacement...7993
FUEL SYSTEM...7995
Fuel Specifications...7995
Filling The Fuel Tank...7995
Fuel Filter...7995
Removing Air From The Fuel System...7997
ENGINE LUBRICATION SYSTEM...7999
Checking Engine Oil...7999
Oil Chart...7999
Replacing The Oil And Filter...8000
HYDRAULIC/HYDROSTATIC SYSTEM...8003
Checking And Adding Fluid...8003
Cleaning The Oil Cooler/Radiator...8004
Replacing Hydraulic/Hydrostatic Filter...8004
Replacing Hydraulic Fluid...8005
AXLES (FRONT AND REAR)...8007
Checking Oil Level (Planetary Carrier)...8007
Draining Oil (Planetary Carrier)...8007
Checking Oil Level (Rear Axle)...8008
Draining Oil (Rear Axle)...8008
Checking Oil Level (Front Axle)...8008
Draining Oil (Front Axle)...8008
BOOM LOCK PIN...8009
Engaging And Disengaging The Pin...8009
BOB-TACH HAND LEVER...8011
Inspection And Maintenance...8011
ALTERNATOR BELT...8013
Adjusting The Alternator Belt...8013
LUBRICATING THE BACKHOE LOADER...8015
TIRE MAINTENANCE...8023
Wheel Nuts...8023
Mounting...8023
Tire Pressure...8023
HYDRAULIC SYSTEM...8025
HYDRAULIC/HYDROSTATIC SCHEMATICS...8029
HYDRAULIC SYSTEM INFORMATION...8031
Troubleshooting...8034
Description...8035
ARM CYLINDER...8037
Checking...8037
Removal And Installation...8038
Parts Identification...8041
Disassembly...8042
Assembly...8044
BOOM CYLINDER...8047
Checking...8047
Removal And Installation...8049
Parts Identification...8052
Disassembly...8053
Assembly...8055
SWING CYLINDER...8059
Checking...8059
Removal And Installation...8060
Parts Identification...8062
Disassembly...8063
Assembly...8065
Bushing Removal And Installation...8068
BUCKET CYLINDER...8069
Checking...8069
Removal And Installation...8071
Parts Identification...8074
Disassembly...8075
Assembly...8077
STABILIZER CYLINDER...8079
Checking...8079
Removal And Installation...8081
Parts Identification...8083
Disassembly...8084
Assembly...8088
TILT CYLINDER...8093
Checking...8093
Removal And Installation...8094
Parts Identification...8096
Disassembly...8097
Assembly...8099
LIFT CYLINDER...8101
Checking...8101
Removal And Installation...8102
Parts Identification...8104
Disassembly...8105
Assembly...8107
STEERING CYLINDER (FRONT)...8111
Removal And Installation...8111
Parts Identification...8115
Disassembly And Assembly...8116
Inspection...8119
STEERING CYLINDER (REAR)...8121
Removal And Installation...8121
Parts Identification...8124
Disassembly And Assembly...8125
Inspection...8128
MAIN RELIEF VALVE...8129
Description...8129
Testing...8129
Adjustment...8130
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...8131
Testing And Adjusting (Arm Control)...8131
Testing And Adjusting (Bucket Control)...8132
Testing And Adjusting (Boom Control)...8134
Testing And Adjusting (Boom Swing Control)...8135
PORT RELIEF VALVE (LOADER CONTROL VALVE)...8137
Testing And Adjusting (Bucket Tilt)...8137
Testing And Adjusting (Front Auxiliary)...8139
LOADER CONTROL VALVE...8141
Removal And Installation...8141
Parts Identification...8143
Disassembly And Assembly...8144
Inlet/Outlet Valve Section...8144
Lift Arm Valve Section...8146
Tilt Valve Section...8150
Auxiliary Valve Section (Front)...8155
BACKHOE CONTROL VALVE...8161
Removal And Installation...8161
Parts Identification...8163
Disassembly And Assembly...8164
Inlet/Outlet Valve Section...8165
Arm Valve Section...8167
Bucket Valve Section...8170
Right Stabilizer Valve Section...8174
Left Stabilizer Valve Section...8177
Boom Valve Section...8181
Boom Swing Valve Section...8184
Outlet Valve Section...8187
HYDRAULIC FLUID RESERVOIR...8189
Removal And Installation...8189
Strainer Removal And Installation...8191
HYDRAULIC FILTER HOUSING...8193
Removal And Installation...8193
Disassembly...8194
Assembly...8195
HYDRAULIC FILTER...8197
Removal And Installation...8197
GEAR PUMP...8199
Removal And Installation...8199
Parts Identification...8200
Disassembly And Assembly...8201
Inspection...8204
STEERING PUMP...8205
Removal And Installation...8205
Parts Identification...8207
Disassembly...8208
Inspection...8217
Assembly...8217
STEERING VALVE...8227
Removal And Installation...8227
Wheel Alignment Procedure...8227
MASTER CYLINDER...8229
Removal And Installation...8229
Parts Identification...8230
Disassembly And Assembly...8231
HYDROSTATIC SYSTEM...8233
HYDROSTATIC SYSTEM INFORMATION...8235
Troubleshooting Chart...8235
Replenishing Valve Function...8236
OIL COOLER/RADIATOR...8237
Description...8237
HYDROSTATIC DRIVE MOTOR...8239
Removal And Installation...8239
Parts Identification...8241
Disassembly...8242
Inspection...8257
Assembly...8260
HYDROSTATIC PUMP...8275
Removal And Installation...8275
Parts Identification...8278
Disassembly...8279
Inspection...8294
Assembly...8297
HYDROSTATIC PUMP TESTING...8313
Hydrostatic Pump Work Sheet...8313
Pump Testing...8316
DRIVE SYSTEM...8321
TROUBLESHOOTING...8323
Chart...8323
PARKING BRAKE HOUSING...8325
Removal And Installation...8325
Parts Identification...8326
Disassembly And Assembly...8327
SERVICE BRAKE...8337
Description...8337
Bleeding The Brake Circuit...8337
REAR AXLE...8339
Removal...8339
Installation...8342
FRONT AXLE...8347
Removal...8347
Installation...8349
Axle Pivot Bushing Removal And Installation...8350
Axle Pivot Bushing Removal And Installation...8351
DRIVESHAFT...8353
Removal And Installation...8353
DROP BOX...8355
Removal And Installation...8355
Parts Identification...8358
Disassembly...8360
Inspection...8365
Assembly...8367
BRAKE PEDAL ASSEMBLY...8375
Removal And Installation...8375
MAIN FRAME...8379
OPERATOR CANOPY...8381
Removal And Installation...8381
ENCLOSED CAB...8387
Not Available At Time Of Print...8387
OPERATOR SEAT...8389
Removal And Installation...8389
FLOOR PANELS...8391
Front Panel Removal And Installation...8391
Rear Panel Removal And Installation...8391
Front Right Panel Removal And Installation...8392
Front Left Panel Removal And Installation...8392
GRILL...8393
Removal And Installation...8393
GRILL FRAME...8395
Removal And Installation...8395
ENGINE SIDE COVERS...8397
Removal And Installation...8397
FENDER...8399
Removal And Installation...8399
ENGINE COVER...8401
Removal And Installation...8401
FUEL TANK...8403
Removal And Installation...8403
Screen Removal And Installation...8405
LIFT ARMS...8407
Removal And Installation...8407
BOB-TACH...8413
Removal And Installation...8413
Bob-Tach Lever And Wedge...8414
Pivot Pin Bushing Removal And Installation...8416
ARM...8417
Removal And Installation...8417
Arm Pivot Bushing Removal And Installation...8419
BOOM...8421
Removal And Installation...8421
Boom Pivot Bushing Removal And Installation...8422
SWING FRAME...8423
Removal And Installation...8423
X-CHANGE™...8425
Removal And Installation...8425
BUCKET...8427
Backhoe Bucket Teeth Removal And Installation...8427
Loader Bucket Teeth Removal And Installation...8427
LIFT ARM STABILIZER...8429
Removal And Installation...8429
CENTER FLOOR PANEL...8431
Removal And Installation...8431
STABILIZER...8435
Removal And Installation...8435
ELECTRICAL SYSTEM AND ANALYSIS...8437
ELECTRICAL SCHEMATICS...8439
ELECTRICAL SYSTEM INFORMATION...8441
Troubleshooting Chart...8441
Description...8442
Fuse And Relay Location...8442
Relay Location...8442
BATTERY...8443
Removal And Installation...8443
Servicing The Electrical System...8444
Using A Booster Battery (Jump Starting)...8445
ALTERNATOR...8447
Adjusting The Alternator Belt...8447
Description...8447
Tests...8448
Alternator Output Test...8448
Full Field Test...8449
Alternator Regulator Test...8449
Alternator Regulator Test With Voltmeter...8450
Alternator Removal And Installation...8451
Parts Identification...8452
Pulley Removal And Installation...8453
Disassembly And Assembly...8454
Rotor Continuity Test...8457
Stator Continuity Test...8457
Rectifier Continuity (Diode) Test...8458
Brush Length...8458
STARTER...8459
Removal And Installation...8459
Checking The Starter In The Loader...8459
Parts Identification...8461
Disassembly...8462
Inspection And Repair...8467
No Load Test...8471
Assembly...8472
FRONT LIGHTS...8479
Bulb Removal And Installation...8479
Housing Removal And Installation...8481
TURN INDICATOR LIGHTS (FRONT)...8483
Bulb Removal And Installation...8483
TURN INDICATOR LIGHTS (REAR)...8485
Bulb Removal And Installation...8485
FUEL LEVEL SENDER...8487
Removal And Installation...8487
INSTRUMENT PANEL...8489
Removal And Installation...8489
ENGINE SERVICE...8491
TROUBLESHOOTING...8493
Chart...8493
ENGINE SPEED CONTROL...8495
Removal And Installation...8495
Cable And Rod Removal And Installation...8496
TRAVEL PEDAL...8499
Removal And Installation...8499
MUFFLER...8503
Removal And Installation...8503
AIR CLEANER...8505
Removal And Installation...8505
OIL COOLER/RADIATOR...8507
Removal And Installation...8507
Disassembly...8509
Inspection...8510
Assembly...8510
ENGINE COMPONENTS AND TESTING...8513
Engine Compression Checking...8513
Glow Plugs Removal And Installation...8514
Checking The Glow Plug...8515
Fuel Shut-off Solenoid Removal And Installation...8516
Fuel Injection Pump Check...8517
Fuel Injection Pump Removal And Installation...8518
Fuel Injection Pump Timing...8521
Fuel Injector Nozzles Removal And Installation...8523
Fuel Injector Nozzle Check...8525
Valve Clearance Adjustment...8526
ENGINE...8527
Removal And Installation...8527
Mount Replacement...8531
RECONDITIONING THE ENGINE...8533
Cylinder Head Removal And Installation...8533
Cylinder Head Disassembly And Assembly...8536
Cylinder Head Servicing...8537
Cylinder Head Top Clearance...8537
Valve Guide Checking...8538
Reconditioning The Valve And Valve Seat...8540
Valve Spring...8541
Rocker Arm And Shaft Checking...8542
Timing Gearcase Cover Removal And Installation...8542
Idler Gear And Camshaft Removal And Installation...8545
Camshaft Servicing...8546
Idler Gear And Shaft Servicing...8547
Timing Gears Checking Backlash...8548
Fuel Camshaft Removal And Installation...8548
Fuel Camshaft Governor...8549
Crankshaft Gear Removal And Installation...8549
Oil Pump Removal And Installation...8550
Oil Pump Service...8550
Checking Engine Oil Pressure...8551
Valve Tappets...8552
Piston And Connecting Rod Removal And Installation...8552
Piston And Connecting Rod Servicing...8554
Connecting Rod Alignment...8556
Crankshaft And Bearings Removal And Installation...8557
Crankshaft And Bearings Servicing...8559
Cylinder Bore Checking...8562
Water Pump Removal And Installation...8562
Water Pump Disassembly And Assembly...8563
Fan Removal And Installation...8564
FLYWHEEL HOUSING...8565
Removal And Installation...8565
FLYWHEEL...8567
Removal And Installation...8567
Ring Gear Removal And Installation...8567
DRIVE COUPLER...8569
Removal And Installation...8569
TURBO...8571
Not Available At Time Of Print...8571
SPECIFICATIONS...8573
LOADER SPECIFICATIONS...8575
Backhoe Loader Dimensions...8575
Loader Performance...8576
Backhoe Performance...8576
Controls...8576
Engine...8576
Hydraulic System...8577
Drive System...8577
Electrical...8578
Tires...8578
Capacities...8578
ENGINE SPECIFICATIONS...8579
Fuel Injection Nozzles...8579
Fuel Injection Pump...8579
Cylinder Head...8579
Valves...8579
Valve Springs...8580
Valve Timing...8580
Rocker Arms...8580
Camshaft...8580
Cylinders...8580
Tappet...8580
Piston Rings...8581
Pistons...8581
Crankshaft...8581
Oil Pump...8581
Thermostat...8582
Connecting Rods...8582
Timing Gear...8582
Cylinder Liner...8582
Engine Bolt Torque...8583
Grinding Specifications for the Crankshaft...8584
BACKHOE LOADER TORQUE...8585
Specifications...8585
TORQUE SPECIFICATIONS FOR BOLTS...8587
Torque For General Metric Bolts...8587
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...8589
Specifications...8589
CONVERSIONS...8591
Decimal And Millimeter Equivalents...8591
U.S. To Metric Conversion...8591
SMR...8593
BL-370-1...8593
BL370 Service Manual 6902813 enUS sm 06-12...8595
MAINTENANCE SAFETY...8597
ALPHABETICAL INDEX...8599
CONTENTS...8601
FOREWORD...8602
SAFETY INSTRUCTIONS...8605
Safe Operation Is The Operator’s Responsibility...8605
FIRE PREVENTION...8606
SERIAL NUMBER LOCATION...8607
Loader Backhoe Serial Number...8607
Engine Serial Number...8607
DELIVERY REPORT...8607
LOADER BACKHOE IDENTIFICATION...8608
SAFETY AND MAINTENANCE...8609
LIFTING AND BLOCKING THE LOADER BACKHOE...8611
Procedure...8611
APPROVED LIFT ARM SUPPORT DEVICE...8613
Installing The Approved Lift Arm Support Device...8613
Removing The Approved Lift Arm Support Device...8614
ENGINE COVER...8615
TRANSPORTING THE LOADER BACKHOE...8617
TOWING THE LOADER BACKHOE...8619
Procedure...8619
AXLE TOE-IN...8621
Procedure...8621
SERVICE SCHEDULE...8623
Chart...8623
AIR CLEANER SERVICE...8625
Replacing The Filter...8625
ENGINE COOLING SYSTEM...8627
Coolant Replacement...8627
FUEL SYSTEM...8629
Fuel Specifications...8629
Filling The Fuel Tank...8629
Fuel Filter...8630
Removing Air From The Fuel System...8630
ENGINE LUBRICATION SYSTEM...8631
Checking Engine Oil...8631
Oil Chart...8631
Replacing Oil And Filter...8632
HYDRAULIC/HYDROSTATIC SYSTEM...8635
Checking And Adding Fluid...8635
Cleaning The Cooler...8635
Replacing Hydraulic/Hydrostatic Filter...8636
Replacing Hydraulic Fluid...8637
REAR AXLE...8639
Checking Oil Level...8639
Draining Oil...8639
FRONT AXLE...8640
Checking Oil Level...8640
Draining Oil...8640
BOOM LOCK PIN...8641
Engaging And Disengaging The Pin...8641
BOB-TACH HAND LEVER...8643
Inspection And Maintenance...8643
ALTERNATOR BELT...8645
Adjusting The Alternator Belt...8645
LUBRICATING THE LOADER BACKHOE...8647
TIRE MAINTENANCE...8655
Wheel Nuts...8655
Mounting...8655
Tire Pressure...8655
HYDRAULIC SYSTEM...8657
HYDRAULIC SYSTEM INFORMATION...8663
Troubleshooting...8667
Description...8668
ARM CYLINDER...8669
Checking...8669
Removal And Installation...8670
Parts Identification...8673
Disassembly...8674
Assembly...8676
BOOM CYLINDER...8679
Checking...8679
Removal And Installation...8681
Parts Identification...8684
Disassembly...8685
Assembly...8687
SWING CYLINDER...8691
Checking...8691
Removal And Installation...8692
Parts Identification...8694
Disassembly...8695
Assembly...8697
BUCKET CYLINDER...8701
Checking...8701
Removal And Installation...8703
Parts Identification...8706
Disassembly...8707
Assembly...8709
STABILIZER CYLINDER...8711
Checking...8711
Removal And Installation...8713
Parts Identification...8715
Disassembly...8716
Assembly...8720
TILT CYLINDER...8725
Checking...8725
Removal And Installation...8726
Parts Identification...8728
Disassembly...8729
Assembly...8731
LIFT CYLINDER...8733
Checking...8733
Removal And Installation...8734
Parts Identification...8736
Disassembly...8737
Assembly...8739
STEERING CYLINDER (FRONT)...8743
Removal And Installation...8743
STEERING CYLINDER (FRONT) (CONT’D)...8747
Parts Identification...8747
Disassembly And Assembly...8748
Inspection...8751
STEERING CYLINDER (REAR)...8753
Removal And Installation...8753
STEERING CYLINDER (REAR) (CONT’D)...8756
Parts Identification...8756
Disassembly And Assembly...8757
Inspection...8760
MAIN RELIEF VALVE...8761
Testing The Main Relief Valve...8761
Adjustment...8762
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...8763
Testing And Adjusting (Arm Control)...8763
Testing And Adjusting (Boom Control)...8765
Testing And Adjusting (Boom Swing Control)...8767
LOADER CONTROL VALVE...8769
Removal And Installation...8769
Parts Identification...8771
Disassembly And Assembly...8772
Inlet/Outlet Valve Section...8772
Lift Arm Valve Section...8774
Tilt Valve Section...8778
Auxiliary Valve Section (Front)...8783
BACKHOE CONTROL VALVE...8789
Removal And Installation...8789
BACKHOE CONTROL VALVE (CONT’D)...8791
Parts Identification...8791
Disassembly And Assembly...8792
Inlet/Outlet Valve Section...8794
Arm Valve Section...8796
Tilt Valve Section...8799
Right Stabilizer Valve Section...8802
Left Stabilizer Valve Section...8805
Boom Valve Section...8809
Boom Swing Valve Section...8812
Outlet Valve Section...8815
HYDRAULIC FLUID RESERVOIR...8817
Removal And Installation...8817
Strainer Removal And Installation...8819
HYDRAULIC FILTER HOUSING...8821
Removal And Installation...8821
Disassembly...8822
Assembly...8823
HYDRAULIC FILTER...8825
Removal And Installation...8825
GEAR PUMP...8827
Removal And Installation...8827
Parts Identification...8828
Disassembly And Assembly...8829
Inspection...8832
STEERING PUMP...8833
Removal And Installation...8833
Parts Identification...8835
Disassembly...8836
Inspection...8845
Assembly...8845
TRAVEL PEDAL...8855
Not Available At Time Of Print...8855
STEERING VALVE...8857
Removal And Installation...8857
Adjustment...8858
MASTER CYLINDER...8859
Removal And Installation...8859
MASTER CYLINDER (CONT’D)...8860
Parts Identification...8860
Disassembly And Assembly...8861
HYDROSTATIC SYSTEM...8863
HYDROSTATIC SYSTEM INFORMATION...8865
Troubleshooting Chart...8865
Replenishing Valve Function...8866
OIL COOLER...8867
Disassembly...8867
Inspection...8868
Assembly...8868
HYDROSTATIC DRIVE MOTOR...8871
Removal And Installation...8871
Parts Identification...8873
Disassembly...8874
Inspection...8889
Assembly...8892
HYDROSTATIC PUMP...8907
Removal And Installation...8907
HYDROSTATIC PUMP (CONT’D)...8910
Parts Identification...8910
Disassembly...8911
Inspection...8924
Assembly...8926
HYDROSTATIC PUMP TESTING...8941
Hydrostatic Pump Work Sheet...8941
Pump Testing...8944
DRIVE SYSTEM...8949
TROUBLESHOOTING...8951
Chart...8951
PARKING BRAKE HOUSING...8953
Removal And Installation...8953
Parts Identification...8954
Disassembly And Assembly...8955
PARKING BRAKE HOUSING...8965
Not Available At Time Of Print...8965
REAR AXLE...8967
Removal...8967
Installation...8970
FRONT AXLE...8975
Removal...8975
Installation...8977
Installation...8977
Axle Pivot Bushing Removal And Installation...8979
DRIVESHAFT...8981
Removal And Installation...8981
DROP BOX...8983
Removal And Installation...8983
Parts Identification...8986
Disassembly...8988
Inspection...8993
Assembly...8995
MAIN FRAME...9003
OPERATOR CANOPY...9005
Removal And Installation...9005
ENCLOSED CAB...9011
Not Available At Time Of Print...9011
OPERATOR SEAT...9013
Removal And Installation...9013
FLOOR PANELS...9015
Front Panel Removal And Installation...9015
Rear Panel Removal And Installation...9015
Front Right Panel Removal And Installation...9016
Front Left Panel Removal And Installation...9016
GRILL...9017
Removal And Installation...9017
GRILL FRAME...9019
Removal And Installation...9019
ENGINE SIDE COVERS...9021
Removal And Installation...9021
FENDER...9023
Removal And Installation...9023
ENGINE COVER...9025
Removal And Installation...9025
FUEL TANK...9027
Removal And Installation...9027
Screen Removal And Installation...9029
LIFT ARMS...9031
Removal And Installation...9031
BOB-TACH...9037
Removal And Installation...9037
Bob-Tach Lever And Wedge...9038
Pivot Pin Bushing Removal And Installation...9040
ARM...9041
Removal And Installation...9041
Arm Pivot Bushing Removal And Installation...9043
BOOM...9045
Removal And Installation...9045
Boom Pivot Bushing Removal And Installation...9046
SWING FRAME...9047
Removal And Installation...9047
X-CHANGE™...9049
Removal And Installation...9049
BUCKET...9051
Backhoe Bucket Teeth Removal And Installation...9051
Loader Bucket Teeth Removal And Installation...9051
BUCKET POSITIONING LINK...9053
Removal And Installation...9053
CENTER FLOOR PANEL...9055
Removal And Installation...9055
STABILIZER...9059
Removal And Installation...9059
FRONT AXLE PIVOT FRAME...9061
Not Available At Time Of Print...9061
ELECTRICAL SYSTEM AND ANALYSIS...9063
ELECTRICAL SYSTEM INFORMATION...9067
Troubleshooting Chart...9067
Description...9068
Fuse Location...9068
Relay Location...9068
BATTERY...9069
Removal And Installation...9069
Servicing The Electrical System...9070
Using A Booster Battery (Jump Starting)...9071
ALTERNATOR...9073
Adjusting The Alternator Belt...9073
Description...9073
Tests...9074
Alternator Output Test...9074
Full Field Test...9075
Alternator Regulator Test...9075
Alternator Regulator Test With Voltmeter...9076
Removal And Installation...9077
Parts Identification...9078
Pulley Removal And Installation...9079
Disassembly And Assembly...9080
Rotor Continuity Test...9083
Stator Continuity Test...9083
Rectifier Continuity (Diode) Test...9084
Brush Length...9084
STARTER...9085
Removal And Installation...9085
Checking The Starter In The Loader...9085
Parts Identification...9087
Disassembly...9088
Inspection And Repair...9093
No Load Test...9097
Assembly...9098
FRONT LIGHTS...9105
Bulb Removal And Installation...9105
Housing Removal And Installation...9107
TURN INDICATOR LIGHTS (FRONT)...9109
Bulb Removal And Installation...9109
TURN INDICATOR LIGHTS (REAR)...9111
Bulb Removal And Installation...9111
CAB LIGHTS...9113
Bulb Removal And Installation...9113
Housing Removal And Installation...9115
FUEL LEVEL SENDER...9117
Removal And Installation...9117
INSTRUMENT PANEL...9119
Removal And Installation...9119
ENGINE SERVICE...9121
TROUBLESHOOTING...9123
Chart...9123
ENGINE SPEED CONTROL...9125
Removal And Installation...9125
Cable And Rod Removal And Installation...9126
TRAVEL PEDAL...9129
Removal And Installation...9129
MUFFLER...9133
Removal And Installation...9133
AIR CLEANER...9135
Removal And Installation...9135
RADIATOR...9137
Removal And Installation...9137
ENGINE COMPONENTS AND TESTING...9139
Valve Clearance Adjustment...9139
Engine Compression Checking...9140
Fuel Shut-Off Solenoid Removal And Installation...9141
Checking Fuel Injection Pump...9142
Fuel Injection Pump Removal And Installation...9143
Fuel Injection Pump Timing...9145
Fuel Injector Nozzles...9146
Fuel Injector Nozzles Removal And Installation...9147
Fuel Injector Nozzles Check...9148
ENGINE...9149
Removal And Installation...9149
Mount Replacement...9153
RECONDITIONING THE ENGINE...9155
Cylinder Head Removal And Installation...9155
Cylinder Head Disassembly And Assembly...9156
Cylinder Head Servicing...9157
Cylinder Head Top Clearance...9157
Valve Guide Checking...9158
Reconditioning The Valve And Valve Seat...9159
Valve Spring...9160
Rocker Arm And Shaft Checking...9160
Timing Gearcase Cover Removal And Installation...9161
Idler Gear And Camshaft Removal And Installation...9163
Camshaft Servicing...9164
Idler Gear And Shaft Servicing...9165
Timing Gears Checking Backlash...9166
Fuel Camshaft Removal And Installation...9167
Fuel Camshaft Governor...9167
Crankshaft Gear Removal And Installation...9168
Oil Pump Removal And Installation...9168
Oil Pump Service...9168
Checking Engine Oil Pressure...9169
Oil Pump Relief Valve...9170
Piston And Connecting Rod Removal And Installation...9170
Piston And Connecting Rod Servicing...9172
Connecting Rod Alignment...9174
Crankshaft And Bearings Removal And Installation...9174
Crankshaft And Bearings, Servicing...9176
Cylinder Bore, Checking...9179
Water Pump Removal And Installation...9180
Water Pump Disassembly And Assembly...9180
FLYWHEEL HOUSING...9181
Removal And Installation...9181
FLYWHEEL...9183
Removal And Installation...9183
Ring Gear Removal And Installation...9183
DRIVE COUPLER...9185
Removal And Installation...9185
TURBO...9187
Not Available At Time Of Print...9187
SPECIFICATIONS...9189
LOADER SPECIFICATIONS...9191
Loader Backhoe Dimensions...9191
Performance...9192
Controls...9192
Engine...9192
Hydraulic System...9193
Electrical...9193
Drive System...9194
Capacities...9194
Tires...9194
ENGINE SPECIFICATIONS...9195
Fuel Injection Nozzles...9195
Fuel Injection Pump...9195
Cylinder Head...9195
Valves...9195
Valve Springs...9196
Valve Timing...9196
Rocker Arms...9196
Camshaft...9196
Cylinders...9196
Tappet...9196
Piston Rings...9197
Pistons...9197
Crankshaft...9197
Oil Pump...9197
Thermostat...9198
Connecting Rods...9198
Timing Gear...9198
Engine Bolt Torque...9199
Grinding Specifications for the Crankshaft...9200
LOADER BACKHOE TORQUE...9201
Specifications...9201
TORQUE SPECIFICATIONS FOR BOLTS...9203
Torque For General Metric Bolts...9203
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...9205
Specifications...9205
CONVERSIONS...9207
Decimal And Millimeter Equivalents...9207
U.S. To Metric Conversion...9207
PARTS MANAGER...9209
SERVICE MANAGER X...9209
SALES MANAGER...9209
Revision No: BL-370-1...9209
Date: 1 Sept 2004...9209
Product: Loader Backhoe...9209
Model: BL-370 B Series...9209
Manual No: 6902813 (3-04)...9209
SMR...9209
BL-370-1...9209
BL-370-2...9211
BL370_BL375 Service Manual 6901973 enUS sm 06-12...9213
ALPHABETICAL INDEX...9217
CONTENTS...9219
FOREWORD...9220
SAFETY INSTRUCTIONS FOR INGERSOLL-RAND LOADER BACKHOE AND ATTACHMENTS...9223
SAFE OPERATION IS THE OPERATOR’S RESPONSIBILITY...9223
FIRE PREVENTION...9224
SERIAL NUMBER LOCATION...9225
Loader Backhoe Serial Number...9225
Engine Serial Number...9225
DELIVERY REPORT...9225
INGERSOLL-RAND LOADER IDENTIFICATION...9226
SAFETY AND MAINTENANCE...9227
LIFTING AND BLOCKING THE LOADER BACKHOE...9229
Procedure...9229
LIFT ARM SUPPORT DEVICE...9231
Installing The Lift Arm Support Device...9231
Removing The Lift Arm Support Device...9232
ENGINE COVER...9233
TRANSPORTING THE LOADER BACKHOE...9235
Procedure...9235
TOWING THE LOADER BACKHOE...9237
Procedure...9237
AXLE TOE-IN...9239
Adjustment...9239
SERVICE SCHEDULE...9241
Chart...9241
AIR CLEANER SERVICE...9243
Replacing Filter Element...9243
ENGINE COOLING SYSTEM...9245
Coolant Replacement...9245
FUEL SYSTEM...9247
Fuel Specifications...9247
Filling The Fuel Tank...9247
Fuel Filter...9248
ENGINE LUBRICATION SYSTEM...9249
Checking Engine Oil...9249
Oil Chart...9249
Replacing Oil And Filter...9250
HYDRAULIC/HYDROSTATIC SYSTEM...9253
Checking And Adding Fluid...9253
Cleaning The Cooler...9253
Replacing Hydraulic/Hydrostatic Filter...9254
Replacing Hydraulic Fluid...9255
REAR AXLE...9257
Checking Oil Level...9257
Draining Oil...9257
FRONT AXLE...9258
Checking Oil Level...9258
Draining Oil...9258
BACKHOE BOOM LOCK...9259
Disengaging The Boom Lock...9259
Engaging Boom Lock...9260
BOB-TACH HAND LEVER...9261
Inspection And Maintenance...9261
ALTERNATOR BELT...9263
Adjusting The Alternator Belt...9263
LUBRICATING THE LOADER BACKHOE...9265
TIRE MAINTENANCE...9273
Wheel Nuts...9273
Mounting...9273
Tire Pressure...9273
HYDRAULIC SYSTEM...9275
HYDRAULIC/HYDROSTATIC SCHEMATICS...9279
HYDRAULIC SYSTEM INFORMATION...9284
Troubleshooting...9288
Description...9289
ARM CYLINDER...9290
Checking...9290
Removal And Installation...9292
Parts Identification...9294
Disassembly...9295
Assembly...9298
BOOM CYLINDER...9302
Checking...9302
Removal And Installation...9303
Parts Identification...9305
Disassembly...9306
Assembly...9309
SWING CYLINDER (WITHOUT SIDESHIFT)...9312
Removal And Installation...9312
Bushing Removal And Installation...9313
Parts Identification (Left Side)...9314
Parts Identification (Right Side)...9315
Disassembly...9316
Assembly...9319
SWING CYLINDER (WITH SIDESHIFT)...9322
Not Available At Time Of Printing...9322
BUCKET CYLINDER...9324
Checking...9324
Removal And Installation...9326
Parts Identification...9328
Disassembly...9329
Assembly...9332
STABILIZER CYLINDER (WITHOUT SIDESHIFT)...9336
Checking...9336
Removal And Installation...9338
Parts Identification...9341
Disassembly...9342
Assembly...9345
STABILIZER CYLINDER (WITH SIDESHIFT)...9348
Not Available At Time Of Printing...9348
TILT CYLINDER...9350
Checking...9350
Removal And Installation...9351
Parts Identification (Left Side)...9352
Parts Identification (Right Side)...9353
Disassembly...9354
Assembly...9357
LIFT CYLINDER...9360
Checking...9360
Removal And Installation...9361
Parts Identification (Left Side)...9363
Parts Identification (Right Side)...9364
Disassembly...9365
Assembly...9368
STEERING CYLINDER (FRONT)...9372
Removal And Installation...9372
Parts Identification...9376
Disassembly And Assembly...9377
Inspection...9380
STEERING CYLINDER (REAR)...9382
Removal And Installation...9382
Parts Identification...9385
Disassembly And Assembly...9386
Inspection...9389
MAIN RELIEF VALVE...9390
Testing The Main Relief Valve...9390
Adjustment...9391
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...9392
Testing And Adjusting (Arm Control)...9392
Testing And Adjusting (Boom Control)...9394
Testing And Adjusting (Boom Swing Control)...9396
LOADER CONTROL VALVE...9398
Removal And Installation...9398
Parts Identification...9400
Disassembly And Assembly...9401
Inlet/Outlet Valve Section...9401
Lift Arm Valve Section...9403
Tilt Valve Section...9407
Auxiliary Valve Section (Front)...9412
Auxiliary Valve Section (Rear)...9417
BACKHOE CONTROL VALVE...9422
Removal And Installation...9422
Parts Identification...9424
Disassembly And Assembly...9425
Inlet/Outlet Valve Section...9427
Arm Valve Section...9429
Tilt Valve Section...9432
Right Stabilizer Valve Section...9435
Left Stabilizer Valve Section...9438
Boom Valve Section...9442
Boom Swing Valve Section...9445
Outlet Valve Section...9448
HYDRAULIC FLUID RESERVOIR...9450
Removal And Installation...9450
Filter Removal And Installation...9452
HYDRAULIC FILTER HOUSING...9454
Removal And Installation...9454
Disassembly...9455
Assembly...9456
GEAR PUMP...9458
Removal And Installation...9458
Parts Identification...9459
Disassembly And Assembly...9460
Inspection...9462
STEERING PUMP...9464
Removal And Installation...9464
Parts Identification...9466
Disassembly...9467
Inspection...9476
Assembly...9476
MASTER CYLINDER...9486
Removal And Installation...9486
Parts Identification...9487
Disassembly And Assembly...9488
STEERING VALVE...9490
Removal And Installation...9490
Adjustment...9491
HYDROSTATIC SYSTEM...9492
HYDROSTATIC SYSTEM INFORMATION...9494
Troubleshooting Chart...9494
Replenishing Valve Function...9495
OIL COOLER...9496
Disassembly...9496
Inspection...9497
Assembly...9497
HYDROSTATIC DRIVE MOTOR...9500
Removal And Installation...9500
Parts Identification...9502
Disassembly...9503
Inspection...9516
Assembly...9519
HYDROSTATIC PUMP...9532
Removal And Installation...9532
Parts Identification...9535
Disassembly...9536
Inspection...9556
Assembly...9558
HYDROSTATIC TESTING...9578
Pump Adjustment...9578
Operation Test - Creep Test:...9580
Operation Test - Torque Limiter Test:...9580
DRIVE SYSTEM...9582
TROUBLESHOOTING...9584
Chart...9584
PARKING BRAKE...9586
Lever Removal And Installation...9586
Cable Removal And Installation...9588
Adjustment...9589
PARKING BRAKE HOUSING...9590
Removal And Installation...9590
Parts Identification...9591
Disassembly And Assembly...9592
SERVICE BRAKE...9602
Description...9602
Bleeding The Brake Circuit...9602
REAR AXLE...9604
Removal...9604
Installation...9607
FRONT AXLE...9612
Removal...9612
Installation...9614
Installation...9614
Axle Pivot Bushing Removal And Installation...9616
DRIVESHAFT...9618
Removal And Installation...9618
DROP BOX...9620
Removal And Installation...9620
Parts Identification...9623
Disassembly...9625
Inspection...9630
Assembly...9632
BRAKE PEDAL ASSEMBLY...9640
Removal And Installation...9640
MAIN FRAME...9644
OPERATOR CANOPY...9646
Removal And Installation...9646
ENCLOSED CAB...9652
Not Available At Time Of Printing...9652
OPERATOR SEAT...9654
Removal And Installation...9654
FLOOR PANELS...9656
Front Panel Removal And Installation...9656
Rear Panel Removal And Installation...9656
Front Right Panel Removal And Installation...9657
Front Left Panel Removal And Installation...9657
GRILL...9658
Removal And Installation...9658
GRILL FRAME...9660
Removal And Installation...9660
ENGINE SIDE COVERS...9662
Removal And Installation...9662
FENDER...9664
Removal And Installation...9664
ENGINE COVER...9666
Removal And Installation...9666
FUEL TANK...9668
Removal And Installation...9668
Screen Removal And Installation...9670
LIFT ARMS...9672
Removal And Installation...9672
BOB-TACH...9676
Removal And Installation...9676
Bob-Tach Lever And Wedge...9678
Pivot Pin Bushing Removal And Installation...9679
ARM...9680
Removal And Installation...9680
Arm Pivot Bushing Removal And Installation...9682
BOOM (WITHOUT SIDESHIFT)...9684
Removal And Installation...9684
BOOM (WITH SIDESHIFT)...9688
Not Available At Time Of Printing...9688
SWING FRAME (WITHOUT SIDESHIFT)...9690
Removal And Installation...9690
Bushing Removal And Installation...9691
SWING FRAME (WITH SIDESHIFT)...9692
Not Available At Time Of Printing...9692
X-CHANGE™...9694
Removal And Installation...9694
BUCKET...9696
Backhoe Bucket Teeth Removal And Installation...9696
Loader Bucket Teeth Removal And Installation...9696
LIFT ARM STABILIZER...9698
Removal And Installation...9698
CENTER FLOOR PANEL...9700
Removal And Installation...9700
STABILIZER (WITHOUT SIDESHIFT)...9704
Removal And Installation...9704
STABILIZER (WITH SIDESHIFT)...9706
Not Available At Time Of Printing...9706
FRONT AXLE PIVOT FRAME...9708
Not Available At Time Of Printing...9708
ELECTRICAL SYSTEM AND ANALYSIS...9710
ELECTRICAL SCHEMATIC...9712
ELECTRICAL SYSTEM INFORMATION...9717
Troubleshooting Chart...9717
Description...9718
Fuse Location...9718
Relay Location...9718
BATTERY...9719
Removal And Installation...9719
Servicing The Electrical System...9720
Using A Booster Battery (Jump Starting)...9721
ALTERNATOR...9723
Adjusting The Alternator Belt...9723
Description...9723
Tests...9724
Alternator Output Test...9724
Full Field Test...9725
Alternator Regulator Test...9725
Alternator Regulator Test With Voltmeter...9726
Removal And Installation...9727
Parts Identification...9728
Pulley Removal And Installation...9729
Disassembly And Assembly...9730
Rotor Continuity Test...9733
Stator Continuity Test...9733
Rectifier Continuity (Diode) Test...9734
Brush Length...9734
STARTER...9735
Removal And Installation...9735
Checking The Starter In The Loader...9735
Parts Identification...9737
Disassembly...9738
Inspection And Repair...9743
No Load Test...9747
Assembly...9748
FRONT LIGHTS...9755
Bulb Removal And Installation...9755
Housing Removal And Installation...9757
TURN INDICATOR LIGHTS (FRONT)...9759
Bulb Removal And Installation...9759
TURN INDICATOR LIGHTS (REAR)...9761
Bulb Removal And Installation...9761
CAB LIGHTS...9763
Bulb Removal And Installation...9763
Housing Removal And Installation...9765
FUEL LEVEL SENDER...9767
Removal And Installation...9767
INSTRUMENT PANEL...9769
Removal And Installation...9769
ENGINE SERVICE...9771
TROUBLESHOOTING...9773
Chart...9773
ENGINE SPEED CONTROL...9775
Removal And Installation...9775
Cable Removal And Installation...9776
TRAVEL PEDAL...9779
Removal And Installation...9779
MUFFLER...9781
Removal And Installation...9781
AIR CLEANER...9783
Removal And Installation...9783
RADIATOR...9785
Removal And Installation...9785
ENGINE COMPONENTS AND TESTING...9787
Valve Clearance Adjustment...9787
Engine Compression Checking...9788
Fuel Shut-Off Solenoid Removal And Installation...9789
Checking Fuel Injection Pump...9790
Fuel Injection Pump Removal And Installation...9791
Fuel Injection Pump Timing...9793
Fuel Injector Nozzles...9794
Fuel Injector Nozzles Removal And Installation...9795
Fuel Injector Nozzles Check...9796
ENGINE...9797
Removal And Installation...9797
Mount Replacement...9801
RECONDITIONING THE ENGINE...9803
Cylinder Head Removal And Installation...9803
Cylinder Head Disassembly And Assembly...9804
Cylinder Head Servicing...9805
Cylinder Head Top Clearance...9805
Valve Guide Checking...9806
Reconditioning The Valve And Valve Seat...9807
Valve Spring...9808
Rocker Arm And Shaft Checking...9808
Timing Gearcase Cover Removal And Installation...9809
Idler Gear And Camshaft Removal And Installation...9811
Camshaft Servicing...9812
Idler Gear And Shaft Servicing...9813
Timing Gears Checking Backlash...9814
Fuel Camshaft Removal And Installation...9815
Fuel Camshaft Governor...9815
Crankshaft Gear Removal And Installation...9816
Oil Pump Removal And Installation...9816
Oil Pump Service...9816
Checking Engine Oil Pressure...9817
Oil Pump Relief Valve...9818
Piston And Connecting Rod Removal And Installation...9818
Piston And Connecting Rod Servicing...9820
Connecting Rod Alignment...9822
Crankshaft And Bearings Removal And Installation...9822
Crankshaft And Bearings, Servicing...9824
Cylinder Bore, Checking...9827
Water Pump Removal And Installation...9828
Water Pump Disassembly And Assembly...9828
FLYWHEEL HOUSING...9829
Removal And Installation...9829
FLYWHEEL...9831
Removal And Installation...9831
Ring Gear Removal And Installation...9831
DRIVE COUPLER...9833
Removal And Installation...9833
TURBOCHARGER...9835
Not Available At Time Of Printing...9835
SPECIFICATIONS...9837
LOADER SPECIFICATIONS...9839
Loader Backhoe Dimensions...9839
Performance...9840
Controls...9840
Engine...9840
Hydraulic System...9841
Electrical...9841
Drive System...9842
Capacities...9842
Tires...9842
ENGINE SPECIFICATIONS...9843
Fuel Injection Nozzles...9843
Fuel Injection Pump...9843
Cylinder Head...9843
Valves...9843
Valve Springs...9844
Valve Timing...9844
Rocker Arms...9844
Camshaft...9844
Cylinders...9844
Tappet...9844
Piston Rings...9845
Pistons...9845
Crankshaft...9845
Oil Pump...9845
Thermostat...9846
Connecting Rods...9846
Timing Gear...9846
Engine Bolt Torque...9847
Grinding Specifications for the Crankshaft...9848
LOADER BACKHOE TORQUE...9849
Specifications...9849
TORQUE SPECIFICATIONS FOR BOLTS...9851
Torque For General Metric Bolts...9851
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...9853
Specifications...9853
CONVERSIONS...9855
Decimal And Millimeter Equivalents...9855
U.S. To Metric Conversion...9855
PARTS MANAGER...9857
SERVICE MANAGER X...9857
SALES MANAGER...9857
Revision No: BL-370/BL-375-1...9857
Date: 22 January 2002...9857
Product: Bobcat Loader Backhoe...9857
Model: BL-370/BL-375...9857
Manual No: 6901973 (12-02)...9857
PARTS MANAGER...9859
SERVICE MANAGER X...9859
SALES MANAGER...9859
Revision No: BL-370/BL-375-3...9859
Date: 1 June 2003...9859
Product: Loader Backhoe...9859
Model: BL-370/BL-375...9859
Manual No: 6901973 (12-02)...9859
PARTS MANAGER...9861
SERVICE MANAGER X...9861
SALES MANAGER...9861
Revision No: BL-370/BL-375-3...9861
Date: 1 June 2003...9861
Product: Loader Backhoe...9861
Model: BL-370/BL-375...9861
Manual No: 6901973 (12-02)...9861
PARTS MANAGER...9863
SERVICE MANAGER X...9863
SALES MANAGER...9863
Revision No: BL-370/BL-375-4...9863
Date: 1 January 2004...9863
Product: Loader Backhoe...9863
Model: BL-370/BL-375...9863
Manual No: 6901973 (12-02)...9863
SERVICE MANUAL REVISIONS...9857
BL-370/BL-375-1 ...9857
BL-370/BL-375-2...9859
BL-370/BL-375-3...9861
BL-370/BL-375-4...9863
BL-370/BL-375-5...9865
BL470_BL475 Service Manual 6902018 enUS sm 06-12...9867
ALPHABETICAL INDEX...9871
CONTENTS...9873
FOREWORD...9874
SAFETY INSTRUCTIONS FOR INGERSOLL RAND LOADER BACKHOE AND ATTACHMENTS...9877
SAFE OPERATION IS THE OPERATOR’S RESPONSIBILITY...9877
FIRE PREVENTION...9878
SERIAL NUMBER LOCATION...9879
Loader Backhoe Serial Number...9879
Engine Serial Number...9879
DELIVERY REPORT...9879
INGERSOLL RAND LOADER IDENTIFICATION...9880
SAFETY AND MAINTENANCE...9881
LIFTING AND BLOCKING THE LOADER BACKHOE...9883
Procedure...9883
LIFT ARM SUPPORT DEVICE...9885
Installing The Lift Arm Support Device...9885
Removing The Lift Arm Support Device...9886
ENGINE COVER...9887
TRANSPORTING THE LOADER BACKHOE...9889
Procedure...9889
TOWING THE LOADER BACKHOE...9891
Procedure...9891
AXLE TOE-IN...9893
Adjustment...9893
SERVICE SCHEDULE...9895
Chart...9895
AIR CLEANER SERVICE...9897
Replacing Filter Element...9897
ENGINE COOLING SYSTEM...9899
Coolant Replacement...9899
FUEL SYSTEM...9901
Fuel Specifications...9901
Filling The Fuel Tank...9901
Fuel Filter...9902
ENGINE LUBRICATION SYSTEM...9903
Checking Engine Oil...9903
Oil Chart...9903
Replacing Oil And Filter...9904
HYDRAULIC/HYDROSTATIC SYSTEM...9907
Checking And Adding Fluid...9907
Cleaning The Cooler...9907
Replacing Hydraulic/Hydrostatic Filter...9908
Replacing Hydraulic Fluid...9909
REAR AXLE...9911
Checking Oil Level...9911
Draining Oil...9911
FRONT AXLE...9912
Checking Oil Level...9912
Draining Oil...9912
BACKHOE BOOM LOCK...9913
Disengaging The Boom Lock...9913
Engaging Boom Lock...9914
BOB-TACH HAND LEVER...9915
Inspection And Maintenance...9915
ALTERNATOR BELT...9917
Adjusting The Alternator Belt...9917
LUBRICATING THE LOADER BACKHOE...9919
TIRE MAINTENANCE...9927
Wheel Nuts...9927
Mounting...9927
Tire Pressure...9927
HYDRAULIC SYSTEM...9929
HYDRAULIC/HYDROSATIC SCHEMATICS...9933
HYDRAULIC SYSTEM INFORMATION...9937
Troubleshooting...9941
Description...9942
ARM CYLINDER...9943
Checking...9943
Removal And Installation...9945
Parts Identification...9947
Disassembly...9948
Assembly...9951
BOOM CYLINDER...9955
Checking...9955
Removal And Installation...9956
Parts Identification...9958
Disassembly...9959
Assembly...9962
SWING CYLINDER (WITHOUT SIDESHIFT)...9965
Removal And Installation...9965
Bushing Removal And Installation...9966
SWING CYLINDER (WITH SIDESHIFT)...9967
Removal And Installation...9967
Bushing Removal And Installation...9968
BUCKET CYLINDER...9969
Checking...9969
Removal And Installation...9971
Parts Identification...9973
Disassembly...9974
Assembly...9977
STABILIZER CYLINDER (WITHOUT SIDESHIFT)...9981
Checking...9981
Removal And Installation...9983
Parts Identification...9986
Disassembly...9987
Assembly...9990
STABILIZER CYLINDER (WITH SIDESHIFT)...9993
Checking...9993
Removal And Installation...9995
TILT CYLINDER...9999
Checking...9999
Removal And Installation...10000
Parts Identification (Left Side)...10001
Parts Identification (Right Side)...10002
Disassembly...10003
Assembly...10006
LIFT CYLINDER...10009
Checking...10009
Removal And Installation...10010
Parts Identification (Left Side)...10012
Parts Identification (Right Side)...10013
Disassembly...10014
Assembly...10017
STEERING CYLINDER (FRONT)...10021
Removal And Installation...10021
STEERING CYLINDER (FRONT) (CONT’D)...10025
Parts Identification...10025
Disassembly And Assembly...10026
Inspection...10029
STEERING CYLINDER (REAR)...10031
Removal And Installation...10031
STEERING CYLINDER (REAR) (CONT’D)...10034
Parts Identification...10034
Disassembly And Assembly...10035
Inspection...10038
MAIN RELIEF VALVE...10039
Testing The Main Relief Valve...10039
Adjustment...10040
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...10041
Testing And Adjusting (Arm Control)...10041
Testing And Adjusting (Boom Control)...10043
Testing And Adjusting (Boom Swing Control)...10045
LOADER CONTROL VALVE...10047
Removal And Installation...10047
Parts Identification...10049
Disassembly And Assembly...10050
Inlet/Outlet Valve Section...10050
Lift Arm Valve Section...10052
Tilt Valve Section...10056
Auxiliary Valve Section (Front)...10061
Auxiliary Valve Section (Rear)...10066
BACKHOE CONTROL VALVE...10071
Removal And Installation...10071
Parts Identification...10073
Disassembly And Assembly...10074
Inlet/Outlet Valve Section...10076
Arm Valve Section...10078
Tilt Valve Section...10081
Right Stabilizer Valve Section...10084
Left Stabilizer Valve Section...10087
Boom Valve Section...10091
Boom Swing Valve Section...10094
Outlet Valve Section...10097
HYDRAULIC FLUID RESERVOIR...10099
Removal And Installation...10099
Filter Removal And Installation...10101
HYDRAULIC FILTER HOUSING...10103
Removal And Installation...10103
Disassembly...10104
Assembly...10105
GEAR PUMP...10107
Removal And Installation...10107
Parts Identification...10108
Disassembly And Assembly...10109
Inspection...10111
STEERING PUMP...10113
Removal And Installation...10113
Parts Identification...10115
Disassembly...10116
Inspection...10125
Assembly...10125
TRAVEL PEDAL...10135
Not Available At Time Of Printing...10135
STEERING VALVE...10137
Removal And Installation...10137
Adjustment...10138
HYDROSTATIC SYSTEM...10139
HYDROSTATIC SYSTEM INFORMATION...10141
Troubleshooting Chart...10141
Replenishing Valve Function...10142
OIL COOLER...10143
Disassembly...10143
Inspection...10144
Assembly...10144
HYDROSTATIC DRIVE MOTOR...10147
Removal And Installation...10147
Parts Identification...10149
Disassembly...10150
Inspection...10163
Assembly...10166
HYDROSTATIC PUMP...10179
Removal And Installation...10179
Parts Identification...10182
Disassembly...10183
Inspection...10203
Assembly...10205
HYDROSTATIC TESTING...10225
Pump Adjustment...10225
Operation Test - Creep Test:...10227
Operation Test - Torque Limiter Test:...10227
DRIVE SYSTEM...10229
TROUBLESHOOTING...10231
Chart...10231
PARKING BRAKE...10233
Lever Removal And Installation...10233
Cable Removal And Installation...10235
Adjustment...10236
PARKING BRAKE HOUSING...10237
Removal And Installation...10237
Parts Identification...10238
Disassembly And Assembly...10239
REAR AXLE...10249
Removal...10249
Installation...10252
FRONT AXLE...10257
Removal...10257
Installation...10259
Installation...10259
Axle Pivot Bushing Removal And Installation...10261
DRIVESHAFT...10263
Removal And Installation...10263
DROP BOX...10265
Removal And Installation...10265
Parts Identification...10268
Disassembly...10270
Inspection...10275
Assembly...10277
MAIN FRAME...10285
OPERATOR CAB...10287
Not Available At Time Of Printing...10287
ENCLOSED CAB...10289
Not Available At Time Of Printing...10289
OPERATOR SEAT...10291
Removal And Installation...10291
FLOOR PANELS...10293
Front Panel Removal And Installation...10293
Rear Panel Removal And Installation...10293
Front Right Panel Removal And Installation...10294
Front Left Panel Removal And Installation...10294
GRILL...10295
Removal And Installation...10295
GRILL FRAME...10297
Removal And Installation...10297
ENGINE SIDE COVERS...10299
Removal And Installation...10299
FENDER...10301
Removal And Installation...10301
ENGINE COVER...10303
Removal And Installation...10303
FUEL TANK...10305
Removal And Installation...10305
Screen Removal And Installation...10307
LIFT ARMS...10309
Removal And Installation...10309
BOB-TACH...10313
Removal And Installation...10313
Bob-Tach Lever And Wedge...10315
Pivot Pin Bushing Removal And Installation...10316
ARM...10317
Removal And Installation...10317
Arm Pivot Bushing Removal And Installation...10319
BOOM...10321
Removal And Installation...10321
SWING FRAME...10325
Removal And Installation...10325
Bushing Removal And Installation...10326
X-CHANGE™...10327
Removal And Installation...10327
BUCKET...10329
Backhoe Bucket Teeth Removal And Installation...10329
Loader Bucket Teeth Removal And Installation...10329
LIFT ARM STABILIZER...10331
Removal And Installation...10331
CENTER FLOOR PANEL...10333
Removal And Installation...10333
STABILIZER...10337
Not Available At Time Of Printing...10337
FRONT AXLE PIVOT FRAME...10339
Not Available At Time Of Printing...10339
ELECTRICAL SYSTEM AND ANALYSIS...10341
ELECTRICAL SCHEMATICS...10343
ELECTRICAL SYSTEM INFORMATION...10345
Troubleshooting Chart...10345
Description...10346
Fuse Location...10346
Relay Location...10346
BATTERY...10347
Removal And Installation...10347
Servicing The Electrical System...10348
Using A Booster Battery (Jump Starting)...10349
ALTERNATOR...10351
Adjusting The Alternator Belt...10351
Description...10351
Tests...10352
Alternator Output Test...10352
Full Field Test...10353
Alternator Regulator Test...10353
Alternator Regulator Test With Voltmeter...10354
Removal And Installation...10355
Parts Identification...10356
Pulley Removal And Installation...10357
Disassembly And Assembly...10358
Rotor Continuity Test...10361
Stator Continuity Test...10361
Rectifier Continuity (Diode) Test...10362
Brush Length...10362
STARTER...10363
Removal And Installation...10363
Checking The Starter In The Loader...10363
Parts Identification...10365
Disassembly...10366
Inspection And Repair...10371
No Load Test...10375
Assembly...10376
FRONT LIGHTS...10383
Bulb Removal And Installation...10383
Housing Removal And Installation...10385
TURN INDICATOR LIGHTS (FRONT)...10387
Bulb Removal And Installation...10387
TURN INDICATOR LIGHTS (REAR)...10389
Bulb Removal And Installation...10389
CAB LIGHTS...10391
Bulb Removal And Installation...10391
Housing Removal And Installation...10393
FUEL LEVEL SENDER...10395
Removal And Installation...10395
INSTRUMENT PANEL...10397
Removal And Installation...10397
ENGINE SERVICE...10399
TROUBLESHOOTING...10401
Chart...10401
ENGINE SPEED CONTROL...10403
Removal And Installation...10403
Cable Removal And Installation...10404
MUFFLER...10407
Removal And Installation...10407
AIR CLEANER...10409
Removal And Installation...10409
RADIATOR...10411
Removal And Installation...10411
ENGINE COMPONENTS AND TESTING...10413
Valve Clearance Adjustment...10413
Engine Compression Checking...10414
Fuel Shut-Off Solenoid Removal And Installation...10415
Checking Fuel Injection Pump...10416
Fuel Injection Pump Removal And Installation...10417
Fuel Injection Pump Timing...10419
Fuel Injector Nozzles...10420
Fuel Injector Nozzles Removal And Installation...10421
Fuel Injector Nozzles Check...10422
ENGINE...10423
Removal And Installation...10423
Mount Replacement...10427
RECONDITIONING THE ENGINE-V2003T-EB (TURBO)...10429
Cylinder Head Removal And Installation...10429
Cylinder Head Disassembly And Assembly...10430
Cylinder Head Servicing...10431
Cylinder Head Top Clearance...10431
Checking The Valve Guide...10432
Reconditioning The Valve And Valve Seat...10433
Valve Spring...10434
Rocker Arm And Shaft Checking...10434
Timing Gearcase Cover Removal And Installation...10435
Idler Gear And Camshaft Removal And Installation...10437
Servicing The Camshaft...10438
Servicing The Idle Gear And Shaft...10439
Timing Gears Checking Backlash...10440
Fuel Camshaft Removal And Installation...10441
Fuel Camshaft Governor...10441
Crankshaft Gear Removal And Installation...10442
Oil Pump Removal And Installation...10442
Oil Pump Service...10442
Checking Engine Oil Pressure...10443
Relief Valve...10444
Piston And Connecting Rod Removal And Installation...10445
Servicing The Piston And Connecting Rod...10447
Connecting Rod Alignment...10448
Crankshaft And Bearings Removal And Installation...10449
Servicing The Crankshaft And Bearings...10450
Checking The Cylinder Bore...10454
Water Pump Disassembly And Assembly...10455
FLYWHEEL HOUSING...10457
Removal And Installation...10457
FLYWHEEL...10459
Removal And Installation...10459
Ring Gear Removal And Installation...10459
DRIVE COUPLER...10461
Removal And Installation...10461
TURBOCHARGER...10463
Not Available At Time Of Printing...10463
SPECIFICATIONS...10465
LOADER SPECIFICATIONS (BL 470)...10467
Loader Backhoe Dimensions...10467
LOADER SPECIFICATIONS (BL 475)...10468
Loader Backhoe Dimensions...10468
Performance...10469
Controls...10469
Engine...10469
Hydraulic System...10470
Electrical...10470
Drive System...10471
Capacities...10471
Tires...10471
ENGINE SPECIFICATIONS...10473
Fuel Injection Nozzles...10473
Fuel Injection Pump...10473
Cylinder Head...10473
Valves...10473
Valve Springs...10474
Valve Timing...10474
Rocker Arms...10474
Camshaft...10474
Cylinders...10474
Tappet...10474
Piston Rings...10475
Pistons...10475
Crankshaft...10475
Oil Pump...10475
Thermostat...10476
Connecting Rods...10476
Timing Gear...10476
Cylinder Liner...10476
Engine Bolt Torque...10477
Grinding Specifications for the Crankshaft...10478
LOADER BACKHOE TORQUE...10479
Specifications...10479
TORQUE SPECIFICATIONS FOR BOLTS...10481
Torque For General Metric Bolts...10481
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...10483
Specifications...10483
CONVERSIONS...10485
Decimal And Millimeter Equivalents...10485
U.S. To Metric Conversion...10485
PARTS MANAGER...10487
SERVICE MANAGER X...10487
SALES MANAGER...10487
Revision No: BL-470/BL-475-1...10487
Date: 22 January 2002...10487
Product: Bobcat Loader Backhoe...10487
Model: BL-470/BL-475...10487
Manual No: 6902018 (12-02)...10487
PARTS MANAGER...10489
SERVICE MANAGER X...10489
SALES MANAGER...10489
Revision No: BL-470/BL-475-2...10489
Date: 1 April 2003...10489
Product: Loader Backhoe...10489
Model: BL-470/BL-475...10489
Manual No: 6902018 (12-02)...10489
PARTS MANAGER...10491
SERVICE MANAGER X...10491
SALES MANAGER...10491
Revision No: BL-470/BL-475-3...10491
Date: 1 June 2003...10491
Product: Loader Backhoe...10491
Model: BL-470/BL-475...10491
Manual No: 6902018 (12-02)...10491
SERVICE MANUAL REVISIONS...10487
BL-470/BL475-1...10487
BL470/BL-475-2...10489
BL-470/BL475-3...10491
BL470/BL-475-4...10493
BL570 Service Manual 6903097 enUS sm 06-12...10495
MAINTENANCE SAFETY...10497
ALPHABETICAL INDEX...10499
CONTENTS...10501
FOREWORD...10502
SAFETY INSTRUCTIONS...10505
Before Operation ...10505
Safe Operation Is The Operator’s Responsibility...10506
Safe Operation Needs A Qualified Operator...10506
Understand the Written Instructions, Rules and Regulations...10506
Have Training with Actual Operation...10506
Know the Work Conditions...10506
Fire Prevention...10507
SERIAL NUMBER LOCATION...10508
Backhoe Loader Serial Number...10508
Engine Serial Number...10508
Delivery Report...10508
INGERSOLL RAND BACKHOE LOADER IDENTIFICATION...10509
SAFETY AND MAINTENANCE...10511
LIFTING AND BLOCKING THE BACKHOE LOADER...10513
Procedure...10513
APPROVED LIFT ARM SUPPORT DEVICE...10515
Installing The Approved Lift Arm Support Device...10515
Removing The Approved Lift Arm Support Device...10516
ENGINE COVER...10517
TRANSPORTING THE BACKHOE LOADER...10519
Procedure...10519
TOWING THE BACKHOE LOADER...10521
Procedure...10521
AXLE TOE-IN...10523
Procedure...10523
SERVICE SCHEDULE...10525
Chart...10525
AIR CLEANER SERVICE...10527
Daily Check...10527
Replacing The Air Filter Element...10527
Replacing The Filter ...10528
ENGINE COOLING SYSTEM...10529
Cleaning The Cooling System...10529
Checking Coolant Level...10529
Coolant Replacement...10529
FUEL SYSTEM...10531
Fuel Specifications...10531
Filling The Fuel Tank...10531
Fuel Filter...10531
Removing Air From The Fuel System...10533
ENGINE LUBRICATION SYSTEM...10535
Checking Engine Oil...10535
Oil Chart...10535
Replacing The Oil And Filter...10536
HYDRAULIC/HYDROSTATIC SYSTEM...10539
Checking And Adding Fluid...10539
Cleaning The Oil Cooler...10540
Replacing Hydraulic/Hydrostatic Filter...10540
Replacing Hydraulic Fluid...10541
AXLES...10543
Checking Oil Level (Planetary Carrier)...10543
Draining Oil (Planetary Carrier)...10543
Checking Oil Level (Rear Axle)...10544
Checking Oil Level (Front Axle)...10544
Draining Oil (Front Axle)...10544
BOOM LOCK PIN...10545
Engaging And Disengaging The Pin...10545
BOB-TACH HAND LEVER...10547
Inspection And Maintenance...10547
ALTERNATOR BELT...10549
Adjusting The Alternator Belt...10549
LUBRICATING THE BACKHOE LOADER...10551
TIRE MAINTENANCE...10559
Wheel Nuts...10559
Mounting...10559
Tire Pressure...10559
SWING LOCK PIN...10561
Engaging The Swing Lock Pin...10561
HYDRAULIC SYSTEM...10563
HYDRAULIC SYSTEM INFORMATION...10567
Troubleshooting...10570
Description...10571
ARM CYLINDER...10573
Checking...10573
Removal And Installation...10574
Parts Identification...10577
Disassembly...10578
Assembly...10580
BOOM CYLINDER...10583
Checking...10583
Removal And Installation...10584
Parts Identification...10587
Disassembly...10588
Assembly...10591
SWING CYLINDER...10595
Checking...10595
Removal And Installation...10596
Parts Identification...10598
Disassembly...10599
Assembly...10601
BUCKET CYLINDER...10605
Checking...10605
Removal And Installation...10606
Parts Identification...10610
Disassembly...10611
Assembly...10613
STABILIZER CYLINDER...10615
Checking...10615
Removal And Installation...10617
Parts Identification...10619
Disassembly...10620
Assembly...10624
STABILIZER CYLINDER...10629
Checking...10629
Removal And Installation...10631
Parts Identification...10633
Disassembly...10634
Assembly...10638
TILT CYLINDER...10643
Checking...10643
Removal And Installation...10644
Parts Identification...10646
Disassembly...10647
Assembly...10649
LIFT CYLINDER...10651
Checking...10651
Removal And Installation...10652
Parts Identification...10654
Disassembly...10655
Assembly...10657
STEERING CYLINDER (FRONT)...10661
Removal And Installation...10661
Parts Identification...10665
Disassembly And Assembly...10666
Inspection...10669
STEERING CYLINDER (REAR)...10671
Removal And Installation...10671
Parts Identification...10674
Disassembly And Assembly...10675
Inspection...10678
MAIN RELIEF VALVE...10679
Description...10679
Testing (Loader Main Relief Valve)...10679
Adjustment (Loader Main Relief Valve)...10680
Testing (Backhoe Main Relief Valve)...10680
Adjustment (Backhoe Main Relief Valve)...10681
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...10683
Testing And Adjusting (Arm Control)...10683
Testing And Adjusting (Bucket Control)...10685
Testing And Adjusting (Boom Control)...10687
Testing And Adjusting (Boom Swing Control)...10689
PORT RELIEF VALVE (LOADER CONTROL VALVE)...10691
Testing And Adjusting (Bucket Tilt)...10691
Testing And Adjusting (Front Auxiliary)...10693
LOADER CONTROL VALVE...10695
Removal And Installation...10695
Parts Identification...10697
Disassembly And Assembly...10698
Inlet/Outlet Valve Section...10698
Lift Arm Valve Section...10700
Tilt Valve Section...10704
Auxiliary Valve Section (Front)...10709
BACKHOE CONTROL VALVE...10715
Removal And Installation...10715
Parts Identification...10717
Disassembly And Assembly...10718
Inlet/Outlet Valve Section...10719
Arm Valve Section...10721
Bucket Valve Section...10724
Right Stabilizer Valve Section...10727
Left Stabilizer Valve Section...10730
Boom Valve Section...10734
Boom Swing Valve Section...10738
Outlet Valve Section...10740
HYDRAULIC FLUID RESERVOIR...10741
Removal And Installation...10741
Strainer Removal And Installation...10743
HYDRAULIC FILTER HOUSING...10745
Removal And Installation...10745
Disassembly...10746
Assembly...10747
HYDRAULIC FILTER...10749
Removal And Installation...10749
GEAR PUMP...10751
Removal And Installation...10751
Parts Identification...10752
Disassembly And Assembly...10753
Inspection...10756
STEERING PUMP...10757
Removal And Installation...10757
Parts Identification...10759
Disassembly...10760
Inspection...10769
Assembly...10769
STEERING VALVE...10779
Removal And Installation...10779
Wheel Alignment Procedure...10779
MASTER CYLINDER...10781
Removal And Installation...10781
Parts Identification...10782
Disassembly And Assembly...10783
HYDROSTATIC SYSTEM...10785
HYDROSTATIC SYSTEM INFORMATION...10787
Troubleshooting Chart...10787
Replenishing Valve Function...10788
OIL COOLER/RADIATOR...10789
Description...10789
HYDROSTATIC DRIVE MOTOR...10791
Removal And Installation...10791
Parts Identification...10793
Disassembly...10794
Inspection...10809
Assembly...10812
HYDROSTATIC PUMP...10827
Removal And Installation...10827
Parts Identification...10830
Disassembly...10831
Inspection...10844
Assembly...10846
HYDROSTATIC PUMP TESTING...10861
Hydrostatic Pump Work Sheet ...10861
Pump Testing...10864
DRIVE SYSTEM...10869
TROUBLESHOOTING...10871
Chart...10871
SERVICE BRAKE...10873
Description...10873
PARKING BRAKE HOUSING...10875
Removal And Installation...10875
Parts Identification...10876
Disassembly And Assembly...10877
SERVICE BRAKE...10887
Description...10887
REAR AXLE...10889
Removal...10889
Installation...10892
FRONT AXLE...10897
Removal...10897
Installation...10899
DRIVESHAFT...10903
Removal And Installation...10903
DROP BOX...10905
Removal And Installation...10905
Parts Identification...10908
Disassembly...10910
Inspection...10915
Assembly...10917
BRAKE PEDAL ASSEMBLY...10925
Removal And Installation...10925
MAIN FRAME...10929
OPERATOR CANOPY...10931
Removal And Installation...10931
ENCLOSED CAB...10937
OPERATOR SEAT...10939
Removal And Installation...10939
FLOOR PANELS...10941
Front Panel Removal And Installation...10941
Rear Panel Removal And Installation...10941
Front Right Panel Removal And Installation...10942
Front Left Panel Removal And Installation...10942
GRILL...10943
Removal And Installation...10943
GRILL FRAME...10945
Removal And Installation...10945
ENGINE SIDE COVERS...10947
Removal And Installation...10947
FENDER...10949
Removal And Installation...10949
ENGINE COVER...10951
Removal And Installation...10951
FUEL TANK...10953
Removal And Installation...10953
Screen Removal And Installation...10955
LIFT ARMS...10957
Removal And Installation...10957
BOB-TACH...10963
Removal And Installation ...10963
Bob-Tach Lever And Wedge...10964
Pivot Pin Bushing Removal And Installation...10966
ARM...10967
Removal And Installation ...10967
BOOM...10971
Removal And Installation ...10971
SWING FRAME...10973
Removal And Installation ...10973
X-CHANGE™...10975
Removal And Installation...10975
BUCKET...10977
Backhoe Bucket Teeth Removal And Installation...10977
Loader Bucket Teeth Removal And Installation ...10977
BUCKET POSITIONING LINK...10979
Removal And Installation...10979
CENTER FLOOR PANEL...10981
Removal And Installation...10981
STABILIZER...10985
Removal And Installation...10985
ELECTRICAL SYSTEM AND ANALYSIS...10987
ELECTRICAL SYSTEM INFORMATION...10989
Troubleshooting Chart...10989
Description...10990
Fuse And Relay Location...10990
BATTERY...10991
Removal And Installation...10991
Servicing The Electrical System...10992
Using A Booster Battery (Jump Starting)...10993
ALTERNATOR...10995
Adjusting The Alternator Belt...10995
Description...10995
Tests...10996
Alternator Output Test...10996
Full Field Test...10997
Alternator Regulator Test...10997
Alternator Regulator Test With Voltmeter...10998
Removal And Installation...10999
Parts Identification...11000
Pulley Removal And Installation...11001
Disassembly And Assembly...11002
Rotor Continuity Test...11005
Stator Continuity Test...11005
Rectifier Continuity (Diode) Test...11006
Brush Length...11006
STARTER...11007
Removal And Installation...11007
Checking The Starter In The Loader...11008
Parts Identification...11009
Disassembly...11010
Inspection And Repair...11015
No Load Test...11019
Assembly...11020
FRONT LIGHTS...11027
Bulb Removal And Installation...11027
Housing Removal And Installation...11029
TURN INDICATOR LIGHTS (FRONT)...11031
Bulb Removal And Installation...11031
TURN INDICATOR LIGHTS (REAR)...11033
Bulb Removal And Installation...11033
CAB LIGHTS...11035
Bulb Removal And Installation...11035
Housing Removal And Installation...11037
FUEL LEVEL SENDER...11039
Removal And Installation...11039
INSTRUMENT PANEL...11041
Removal And Installation...11041
ENGINE SERVICE...11043
TROUBLESHOOTING...11045
Chart...11045
ENGINE SPEED CONTROL...11047
Removal And Installation...11047
TRAVEL PEDAL...11051
Removal And Installation...11051
MUFFLER...11055
Removal And Installation...11055
AIR CLEANER...11057
Removal And Installation...11057
OIL COOLER/RADIATOR...11059
Removal And Installation...11059
ENGINE COMPONENTS AND TESTING...11063
Valve Clearance Adjustment...11063
Engine Compression Checking...11064
Fuel Shut-Off Solenoid Removal And Installation...11065
Checking Fuel Injection Pump...11066
Fuel Injection Pump Removal And Installation...11067
Fuel Injection Pump Timing...11070
Fuel Injector Nozzles...11071
Fuel Injector Nozzles Removal And Installation...11072
Fuel Injector Nozzles Check...11073
ENGINE...11075
Removal And Installation...11075
Mount Replacement...11079
RECONDITIONING THE ENGINE-V2003T-EB (TURBO)...11081
Cylinder Head Removal And Installation...11081
Cylinder Head Servicing...11083
Cylinder Head Top Clearance...11083
Checking The Valve Guide...11084
Reconditioning The Valve And Valve Seat...11085
Valve Spring...11086
Rocker Arm And Shaft Checking...11086
Timing Gearcase Cover Removal And Installation...11087
Idler Gear And Camshaft Removal And Installation...11089
Servicing The Camshaft...11090
Servicing The Idle Gear And Shaft...11091
Timing Gears Checking Backlash...11092
Fuel Camshaft Removal And Installation...11093
Fuel Camshaft Governor...11093
Crankshaft Gear Removal And Installation...11094
Oil Pump Removal And Installation...11094
Oil Pump Service...11094
Checking Engine Oil Pressure...11095
Relief Valve...11096
Piston And Connecting Rod Removal And Installation...11097
Servicing The Piston And Connecting Rod...11099
Connecting Rod Alignment...11100
Crankshaft And Bearings Removal And Installation...11101
Servicing The Crankshaft And Bearings...11102
Checking The Cylinder Bore...11106
Untitled...11107
FLYWHEEL HOUSING...11109
Removal And Installation...11109
FLYWHEEL...11111
Removal And Installation...11111
Ring Gear Removal And Installation...11111
DRIVE COUPLER...11113
Removal And Installation...11113
TURBOCHARGER...11115
Checking...11115
Removal And Installation...11115
SPECIFICATIONS...11119
BACKHOE LOADER SPECIFICATIONS...11121
Backhoe Loader Dimensions...11121
Loader Performance...11122
Backhoe Performance...11122
Controls...11122
Engine...11122
Hydraulic System...11123
Drive System...11123
Electrical...11123
Tires...11124
Capacities...11124
ENGINE SPECIFICATIONS...11125
Fuel Injection Nozzles...11125
Fuel Injection Pump...11125
Cylinder Head...11125
Valves...11125
Valve Springs...11126
Valve Timing...11126
Rocker Arms...11126
Camshaft...11126
Cylinders...11126
Tappet...11126
Piston Rings...11127
Pistons...11127
Crankshaft...11127
Oil Pump...11127
Thermostat...11128
Connecting Rods...11128
Timing Gear...11128
Cylinder Liner...11128
Engine Bolt Torque...11129
Grinding Specifications for the Crankshaft...11130
BACKHOE LOADER TORQUE...11131
Specifications ...11131
TORQUE SPECIFICATIONS FOR BOLTS...11133
Torque For General Metric Bolts...11133
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...11135
Specifications...11135
CONVERSIONS...11137
Decimal And Millimeter Equivalents...11137
U.S. To Metric Conversion...11137
SMR...11139
BL-570-1...11139
BL570_BL575 Service Manual 6902022 enUS sm 06-12...11141
ALPHABETICAL INDEX...11145
CONTENTS...11147
FOREWORD...11148
SAFETY INSTRUCTIONS FOR INGERSOLL RAND LOADER BACKHOE AND ATTACHMENTS...11151
SAFE OPERATION IS THE OPERATOR’S RESPONSIBILITY...11151
FIRE PREVENTION...11152
SERIAL NUMBER LOCATION...11153
Loader Backhoe Serial Number...11153
Engine Serial Number...11153
DELIVER REPORT...11153
INGERSOLL RAND IDENTIFICAITON...11154
SAFETY AND MAINTENANCE...11155
LIFTING AND BLOCKING THE LOADER BACKHOE...11157
Procedure...11157
LIFT ARM SUPPORT DEVICE...11159
Installing The Lift Arm Support Device...11159
Removing The Lift Arm Support Device...11160
ENGINE COVER...11161
TRANSPORTING THE LOADER BACKHOE...11163
Procedure...11163
TOWING THE LOADER BACKHOE...11165
Procedure...11165
AXLE TOE-IN...11167
Adjustment...11167
SERVICE SCHEDULE...11169
Chart...11169
AIR CLEANER SERVICE...11171
Replacing Filter Element...11171
ENGINE COOLING SYSTEM...11173
Coolant Replacement...11173
FUEL SYSTEM...11175
Fuel Specifications...11175
Filling The Fuel Tank...11175
Fuel Filter...11176
ENGINE LUBRICATION SYSTEM...11177
Checking Engine Oil...11177
Oil Chart...11177
Replacing Oil And Filter...11178
HYDRAULIC/HYDROSTATIC SYSTEM...11181
Checking And Adding Fluid...11181
Cleaning The Cooler...11181
Replacing Hydraulic/Hydrostatic Filter...11182
Replacing Hydraulic Fluid...11183
REAR AXLE...11185
Checking Oil Level...11185
Draining Oil...11185
FRONT AXLE...11186
Checking Oil Level...11186
Draining Oil...11186
BACKHOE BOOM LOCK...11187
Disengaging The Boom Lock...11187
Engaging Boom Lock...11188
BOB-TACH HAND LEVER...11189
Inspection And Maintenance...11189
ALTERNATOR BELT...11191
Adjusting The Alternator Belt...11191
LUBRICATING THE LOADER BACKHOE...11193
TIRE MAINTENANCE...11201
Wheel Nuts...11201
Mounting...11201
Tire Pressure...11201
HYDRAULIC SYSTEM...11203
HYDRAULIC/HYDROSTATIC SCHEMATICS...11207
HYDRAULIC SYSTEM INFORMATION...11211
Troubleshooting...11215
Description...11216
ARM CYLINDER...11217
Checking...11217
Removal And Installation...11219
Parts Identification...11221
Disassembly...11222
Assembly...11225
BOOM CYLINDER...11229
Checking...11229
Removal And Installation...11230
Parts Identification...11232
Disassembly...11233
Assembly...11236
SWING CYLINDER (WITHOUT SIDESHIFT)...11239
Removal And Installation...11239
Bushing Removal And Installation...11242
Parts Identification...11243
Disassembly...11244
Assembly...11247
SWING CYLINDER (WITH SIDESHIFT)...11251
Removal And Installation...11251
Bushing Removal And Installation...11252
Parts Identification...11253
Disassembly...11254
Assembly...11257
BUCKET CYLINDER...11261
Checking...11261
Removal And Installation...11262
Parts Identification...11264
Disassembly...11265
Assembly...11268
STABILIZER CYLINDER (WITHOUT SIDESHIFT)...11271
Checking...11271
Removal And Installation...11273
Parts Identification...11276
Disassembly...11277
Assembly...11280
STABILIZER CYLINDER (WITH SIDESHIFT)...11283
Checking...11283
Removal And Installation...11285
Parts Identification...11288
Disassembly...11289
Assembly...11292
TILT CYLINDER...11295
Checking...11295
Removal And Installation...11296
Parts Identification (Left Side)...11297
Parts Identification (Right Side)...11298
Disassembly...11299
Assembly...11302
LIFT CYLINDER...11305
Checking...11305
Removal And Installation...11306
Parts Identification (Left Side)...11308
Parts Identification (Right Side)...11309
Disassembly...11310
Assembly...11313
STEERING CYLINDER (FRONT)...11317
Removal And Installation...11317
STEERING CYLINDER (FRONT) (CONT’D)...11321
Parts Identification...11321
Disassembly And Assembly...11322
Inspection...11325
STEERING CYLINDER (REAR)...11327
Removal And Installation...11327
STEERING CYLINDER (REAR) (CONT’D)...11330
Parts Identification...11330
Disassembly And Assembly...11331
Inspection...11334
MAIN RELIEF VALVE...11335
Testing The Main Relief Valve...11335
Adjustment...11336
PORT RELIEF VALVE (BACKHOE CONTROL VALVE)...11337
Testing And Adjusting (Arm Control)...11337
Testing And Adjusting (Boom Control)...11339
Testing And Adjusting (Boom Swing Control)...11341
PORT RELIEF VALVE (LOADER CONTROL VALVE)...11343
Testing And Adjusting (Bucket Tilt)...11343
Testing And Adjusting (Front Auxiliary)...11345
LOADER CONTROL VALVE...11347
Removal And Installation...11347
Parts Identification...11349
Disassembly And Assembly...11350
Inlet/Outlet Valve Section...11350
Lift Arm Valve Section...11352
Tilt Valve Section...11356
Auxiliary Valve Section (Front)...11361
Auxiliary Valve Section (Rear) (Optional)...11366
BACKHOE CONTROL VALVE...11371
Removal And Installation...11371
Parts Identification...11373
Disassembly And Assembly...11374
Inlet/Outlet Valve Section...11376
Arm Valve Section...11378
Tilt Valve Section...11381
Right Stabilizer Valve Section...11384
Left Stabilizer Valve Section...11387
Boom Valve Section...11391
Boom Swing Valve Section...11394
Outlet Valve Section...11397
HYDRAULIC FLUID RESERVOIR...11399
Removal And Installation...11399
Strainer Removal And Installation...11401
HYDRAULIC FILTER HOUSING...11403
Removal And Installation...11403
Disassembly...11404
Assembly...11405
HYDRAULIC FILTER...11407
Removal And Installation...11407
GEAR PUMP...11409
Removal And Installation...11409
Parts Identification...11410
Disassembly And Assembly...11411
Inspection...11414
STEERING PUMP...11415
Removal And Installation...11415
Parts Identification...11417
Disassembly...11418
Inspection...11427
Assembly...11427
STEERING VALVE...11437
Removal And Installation...11437
Adjustment...11438
MASTER CYLINDER...11439
Removal And Installation...11439
Parts Identification...11440
Disassembly And Assembly...11441
HYDROSTATIC SYSTEM...11443
HYDROSTATIC SYSTEM INFORMATION...11445
Troubleshooting Chart...11445
Replenishing Valve Function...11446
OIL COOLER...11447
Disassembly...11447
Inspection...11448
Assembly...11448
HYDROSTATIC DRIVE MOTOR...11451
Removal And Installation...11451
Parts Identification...11453
Disassembly...11454
Disassembly...11455
Inspection...11469
Assembly...11472
HYDROSTATIC PUMP...11487
Removal And Installation...11487
Parts Identification...11490
Disassembly...11491
Inspection...11505
Assembly...11508
HYDROSTATIC TESTING...11525
Pump Adjustment...11525
DRIVE SYSTEM...11529
TROUBLESHOOTING...11531
Chart...11531
PARKING BRAKE...11533
Lever Removal And Installation...11533
Cable Removal And Installation...11535
Adjustment...11536
PARKING BRAKE HOUSING...11537
Removal And Installation...11537
Parts Identification...11538
Disassembly And Assembly...11539
SERVICE BRAKE...11549
Description...11549
Bleeding The Brake Circuit...11549
REAR AXLE...11551
Removal...11551
Installation...11554
FRONT AXLE...11559
Removal...11559
Installation...11561
Axle Pivot Bushing Removal And Installation...11563
DRIVESHAFT...11565
Removal And Installation...11565
DROP BOX...11567
Removal And Installation...11567
Parts Identification...11570
Disassembly...11572
Inspection...11577
Assembly...11579
BRAKE PEDAL ASSEMBLY...11587
Removal And Installation...11587
MAIN FRAME...11591
OPERATOR CANOPY...11593
Removal And Installation...11593
ENCLOSED CAB...11599
Not Available At Time Of Printing...11599
OPERATOR SEAT...11601
Removal And Installation...11601
FLOOR PANELS...11603
Front Panel Removal And Installation...11603
Rear Panel Removal And Installation...11603
Front Right Panel Removal And Installation...11604
Front Left Panel Removal And Installation...11604
GRILL...11605
Removal And Installation...11605
GRILL FRAME...11607
Removal And Installation...11607
ENGINE SIDE COVERS...11609
Removal And Installation...11609
FENDER...11611
Removal And Installation...11611
ENGINE COVER...11613
Removal And Installation...11613
FUEL TANK...11615
Removal And Installation...11615
Screen Removal And Installation...11617
LIFT ARMS...11619
Removal And Installation...11619
BOB-TACH...11623
Removal And Installation...11623
Bob-Tach Lever And Wedge...11625
Pivot Pin Bushing Removal And Installation...11626
ARM...11627
Removal And Installation...11627
Arm Pivot Bushing Removal And Installation...11629
BOOM (WITH SIDE SHIFT)...11631
Removal And Installation...11631
BOOM (WITHOUT SIDE SHIFT)...11635
Removal And Installation...11635
SWING FRAME (with side shift)...11637
Removal And Installation...11637
Bushing Removal And Installation...11638
SWING FRAME (WITHOUT SIDE SHIFT)...11639
Removal And Installation...11639
X-CHANGE™...11641
Removal And Installation...11641
BUCKET...11643
Backhoe Bucket Teeth Removal And Installation...11643
Loader Bucket Teeth Removal And Installation...11643
LIFT ARM STABILIZER...11645
Removal And Installation...11645
CENTER FLOOR PANEL...11647
Removal And Installation...11647
STABILIZER (WITHOUT SIDESHIFT)...11651
Removal And Installation...11651
ELECTRICAL SYSTEM AND ANALYSIS...11653
ELECTRICAL SCHEMATICS...11655
ELECTRICAL SYSTEM INFORMATION...11657
Troubleshooting Chart...11657
Description...11658
Fuse Location...11658
Relay Location...11658
BATTERY...11659
Removal And Installation...11659
Servicing The Electrical System...11660
Using A Booster Battery (Jump Starting)...11661
ALTERNATOR...11663
Adjusting The Alternator Belt...11663
Description...11663
Tests...11664
Alternator Output Test...11664
Full Field Test...11665
Alternator Regulator Test...11665
Alternator Regulator Test With Voltmeter...11666
Removal And Installation...11667
Parts Identification...11668
Pulley Removal And Installation...11669
Disassembly And Assembly...11670
Rotor Continuity Test...11673
Stator Continuity Test...11673
Rectifier Continuity (Diode) Test...11674
Brush Length...11674
STARTER...11675
Removal And Installation...11675
Checking The Starter In The Loader...11675
Parts Identification...11677
Disassembly...11678
Inspection And Repair...11683
No Load Test...11687
Assembly...11688
FRONT LIGHTS...11695
Bulb Removal And Installation...11695
Housing Removal And Installation...11697
TURN INDICATOR LIGHTS (FRONT)...11699
Bulb Removal And Installation...11699
CAB LIGHTS...11701
Bulb Removal And Installation...11701
Housing Removal And Installation...11703
FUEL LEVEL SENDER...11705
Removal And Installation...11705
INSTRUMENT PANEL...11707
Removal And Installation...11707
ENGINE SERVICE...11709
TROUBLESHOOTING...11711
Chart...11711
ENGINE SPEED CONTROL...11713
Removal And Installation...11713
Cable Removal And Installation...11714
TRAVEL PEDAL...11717
Removal And Installation...11717
MUFFLER...11719
Removal And Installation...11719
AIR CLEANER...11721
Removal And Installation...11721
RADIATOR...11723
Removal And Installation...11723
ENGINE COMPONENTS AND TESTING...11725
Valve Clearance Adjustment...11725
Engine Compression Checking...11726
Fuel Shut-Off Solenoid Removal And Installation...11727
Checking Fuel Injection Pump...11728
Fuel Injection Pump Removal And Installation...11729
Fuel Injection Pump Timing...11731
Fuel Injector Nozzles...11732
Fuel Injector Nozzles Removal And Installation...11733
Fuel Injector Nozzles Check...11734
ENGINE...11735
Removal And Installation...11735
Mount Replacement...11739
RECONDITIONING THE ENGINE-V2003T-EB (TURBO)...11741
Cylinder Head Removal And Installation...11741
Cylinder Head Disassembly And Assembly...11742
Cylinder Head Servicing...11743
Cylinder Head Top Clearance...11743
Checking The Valve Guide...11744
Reconditioning The Valve And Valve Seat...11745
Valve Spring...11746
Rocker Arm And Shaft Checking...11746
Timing Gearcase Cover Removal And Installation...11747
Idler Gear And Camshaft Removal And Installation...11749
Servicing The Camshaft...11750
Servicing The Idle Gear And Shaft...11751
Timing Gears Checking Backlash...11752
Fuel Camshaft Removal And Installation...11753
Fuel Camshaft Governor...11753
Crankshaft Gear Removal And Installation...11754
Oil Pump Removal And Installation...11754
Oil Pump Service...11754
Checking Engine Oil Pressure...11755
Relief Valve...11756
Piston And Connecting Rod Removal And Installation...11757
Servicing The Piston And Connecting Rod...11759
Connecting Rod Alignment...11760
Crankshaft And Bearings Removal And Installation...11761
Servicing The Crankshaft And Bearings...11762
Checking The Cylinder Bore...11766
Water Pump Disassembly And Assembly...11767
FLYWHEEL HOUSING...11769
Removal And Installation...11769
FLYWHEEL...11771
Removal And Installation...11771
Ring Gear Removal And Installation...11771
DRIVE COUPLER...11773
Removal And Installation...11773
TURBOCHARGER...11775
Not Available At Time Of Printing...11775
SPECIFICATIONS...11777
LOADER SPECIFICATIONS (BL 570)...11779
Loader Backhoe Dimensions...11779
LOADER SPECIFICATIONS (BL 575)...11780
Loader Backhoe Dimensions...11780
Performance...11781
Controls...11781
Engine...11781
Hydraulic System...11782
Electrical...11782
Drive System...11783
Capacities...11783
Tires...11783
ENGINE SPECIFICATIONS...11785
Fuel Injection Nozzles...11785
Fuel Injection Pump...11785
Cylinder Head...11785
Valves...11785
Valve Springs...11786
Valve Timing...11786
Rocker Arms...11786
Camshaft...11786
Cylinders...11786
Tappet...11786
Piston Rings...11787
Pistons...11787
Crankshaft...11787
Oil Pump...11787
Thermostat...11788
Connecting Rods...11788
Timing Gear...11788
Cylinder Liner...11788
Engine Bolt Torque...11789
Grinding Specifications for the Crankshaft...11790
LOADER BACKHOE TORQUE...11791
Specifications...11791
TORQUE SPECIFICATIONS FOR BOLTS...11793
Torque For General Metric Bolts...11793
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...11795
Specifications...11795
CONVERSIONS...11797
Decimal And Millimeter Equivalents...11797
U.S. To Metric Conversion...11797
SMR...11799
Revision No: BL-570/BL-575-1...11799
Revision No: BL-570/BL-575-2...11801
Revision No: BL-570/BL-575-3...11803
Revision No: BL-570/BL-575-4...11805
Bobcat Loaders B100, B200, B250, B300, BL275, BL370, BL375, BL470, BL475, BL570 Repair Service Manuals