Bobcat Telescopic Handlers T2250, T2556, T2566 Repair Service Manuals
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Model:
Complete repair service manual with Electrical Wiring Diagrams for Bobcat Telescopic Handlers T2250, T2556, T2566, with technical information to maintain, diagnose, and repair like professional mechanics.
Bobcat Telescopic Handlers T2250, T2556, T2566 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.
4852210 (01-08) - T2556, T2566 Service Manual.pdf
6986740 (07-08) - T2250 Service Manual.pdf
6986740 (7-08) - T2250 Telescopic Handler Service Manual.pdf
6986764 (2-10) - T2556, T2566 Telescopic Handler Service Manual.pdf
6986764 (08-12) - T2556, T2566 Telescopic Handler Service Manual.pdf
6987147 (2-10) - T2250 Telescopic Handler Service Manual.pdf
6987147 (8-12) - T2250 Telescopic Handler Service Manual.pdf
6989550 (2-10) - T2250 Telescopic Handler Operation & Maintenance Manual.pdf
6989552 (2-10) - T2556-T2566 Telescopic Handler Operation & Maintenance Manual.pdf
Total Pages: 6,413 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
4852210 (01-08) - T2556, T2566 Service Manual...1
MAINTENANCE SAFETY...3
ALPHABETICAL INDEX...5
SAFETY INSTRUCTIONS...11
FIRE PREVENTION...12
Serial Number LocationS...13
telescopic handler Serial Number...13
Engine Serial Number...13
Earlier Models...13
Later Models...13
Other Serial Numbers...13
Delivery Report...14
BOBCAT telescopic handler IDENTIFICATION...14
LIFTING AND BLOCKING THE TELESCOPIC HANDLER...17
Procedure...17
OPERATOR CAB...19
Emergency Exit...19
Cab Door...20
Cab Door Window...20
TRANSPORTING THE TELESCOPIC HANDLER...21
Procedure...21
TOWING THE TELESCOPIC HANDLER (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...23
Procedure...23
TOWING THE Telescopic Handler (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000) (CONT’D)...24
Procedure (Cont’d)...24
TOWING THE TELESCOPIC HANDLER (S/N 363012001 & Above, S/N 363112001 & Above)...25
Procedure...25
SERVICE SCHEDULE...29
AIR CLEANER SERVICE...31
Replacing Filter Element...31
ENGINE COOLING SYSTEM...33
Cleaning The Cooling System...33
Checking The Coolant Level...33
Replacing The Coolant...34
FUEL SYSTEM...37
Fuel Specifications...37
Filling The Fuel Tank...37
Fuel Filter...37
ENGINE LUBRICATION SYSTEM...39
Checking Engine Oil...39
Oil Chart...39
Replacing Oil And Filter...40
HYDRAULIC/HYDROSTATIC SYSTEM...41
Checking And Adding Fluid...41
HYDRAULIC/HYDROSTATIC SYSTEM (CONT’D)...42
Replacing Hydraulic/Hydrostatic Filter...42
Replacing Hydraulic Fluid...42
HYDRAULIC/HYDROSTATIC SYSTEM (CONT’D)...43
AXLES (FRONT AND REAR) (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...45
Checking Oil Level (Planetary Carrier)...45
Draining Oil (Planetary Carrier)...45
Checking Oil Level (Rear Differential)...46
Draining Oil (Rear Differential)...46
Checking Oil Level (Front Differential)...46
Draining Oil (Front Differential)...47
AXLES (FRONT AND REAR) (For S/N 363012001 and Above, S/N 363112001 and Above)...49
Checking Oil Level (Planetary Carrier)...49
Draining Oil (Planetary Carrier)...49
Checking Oil Level (Rear Differential)...50
Draining Oil (Rear Differential)...50
Checking Oil Level (Front Differential)...50
Draining Oil (Front Differential)...51
Checking Oil Level (Drive Box)...51
Draining Oil (Drive Box)...51
LUBRICATION (For S/N 363011001 - 363012000 and S/ N 363111001 - 363112000)...53
Procedure...53
LUBRICATION (For S/N 363012001 & Above and S/N 363112001 & Above)...57
Procedure...57
TIRE MAINTENANCE...61
Wheel Nuts (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...61
Tire Rotation...61
Tire Mounting...61
OPTIONAL APPROVED BOOM STOP...63
Installing The Approved Boom Stop...63
Removing The Approved Boom Stop...63
ENGINE COVER...65
Opening And Closing The Engine Cover...65
HYDRAULIC SYSTEM INFORMATION...71
Troubleshooting Chart...74
Tightening Procedures...75
LIFT CYLINDER...77
Removal And Installation...77
Parts Identification...82
Disassembly...83
Assembly...87
BUCKET POSITIONING CYLINDER...91
Removal And Installation...91
Parts Identification...96
Disassembly...97
Assembly...101
EXTENSION CYLINDER...105
Cylinder Group Removal And Installation...105
Upper Tubeline Removal...107
Upper Tubeline Installation...109
Extension Cylinder Removal And Installation...110
Tubeline Tray Disassembly...112
Tubeline Tray Assembly...113
Parts Identification...116
Disassembly...117
Assembly...121
TILT CYLINDER...125
Removal And Installation...125
Parts Identification...127
Disassembly...128
Assembly...133
STEERING CYLINDER (FRONT) (For S/N 363011001 - 363012000 and S/N 363111001 - 363012000)...139
Removal And Installation...139
Parts Identification...141
Disassembly...142
Assembly...145
STEERING CYLINDER (FRONT) (For S/N 363012001 and above, S/N 363112001 and above)...151
Removing the Steering Cylinder...151
Installing the Steering Cylinder...152
Disassembling the Steering Cylinder...156
Assembling the Steering Cylinder...157
STEERING CYLINDER (REAR) (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...161
Removal And Installation...161
Parts Identification...163
Disassembly...164
Assembly...167
STEERING CYLINDER (REAR) (For S/N 363012001 and above, S/N 363112001 and above)...173
Removing the Steering Cylinder...173
Installing the Steering Cylinder...174
Disassembling the Steering Cylinder...178
Assembling the Steering Cylinder...180
DRIVE BOX (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...183
Parts Identification...183
Disassembly...184
Inspection...189
Assembly...190
DRIVE BOX (For S/N 363012001 and above, S/N 363112001 and above)...197
Parts Identification...197
Disassembly...198
Assembly...202
special tools...205
MAIN RELIEF VALVE...207
Testing And Adjustment...207
QUICK TACH CYLINDER...209
Removal And Installation...209
Parts Identification...211
Disassembly...212
Assembly...215
PORT RELIEF VALVES...217
Adjustment Procedure...217
STEERING MODE VALVE BLOCK...219
Removal And Installation...219
Parts Identification...221
Disassembly...222
Solenoid Testing...224
Assembly...224
BRAKE VALVE...227
Removal And Installation...227
Disassembly And Assembly...228
GEAR PUMP...231
Removal And Installation...231
GEAR PUMP (CONT’D)...233
Parts Identification...233
Disassembly And Assembly...234
FAN MOTOR...241
Removal And Installation...241
Parts Identification...245
Disassembly And Assembly (1 speed version)...246
Disassembly And Assembly (2 speed version)...249
HYDRAULIC RESERVOIR...253
Removal And Installation...253
STEERING VALVE...255
Removal And Installation...255
Parts Identification...256
Disassembly...257
Inspection...263
Assembly...263
HYDRAULIC CONTROL VALVE...271
Troubleshooting Chart (Controllers)...271
Telescoping Valve Section Troubleshooting...272
Auxiliary Valve Section Troubleshooting...276
Troubleshooting Chart (Control Valve)...280
Removal And Installation...281
HYDRAULIC CONTROL VALVE (CONT’D)...285
Parts Identification...285
Disassembly And Assembly...286
End Housing Disassembly And Assembly...287
Lifting Valve Section Disassembly And Assembly...288
Tilting Valve Section Disassembly And Assembly...293
Telescoping Valve Section Disassembly And Assembly...298
Auxiliary Valve Section Disassembly And Assembly...310
Inlet-Outlet Valve Section Disassembly And Assembly...321
JOYSTICK...325
Removal And Installation...325
Parts Identification...327
PARKING BRAKE...329
Parking Brake Valve Removal And Installation...329
Parking Brake Valve Disassembly And Assembly...330
PILOT PRESSURE LOCK OUT VALVE...333
Testing...333
Removal And Installation...334
Disassembly And Assembly...335
ACCUMULATOR...337
Removal And Installation...337
OPTIONAL TOW VALVE...339
Removal And Installation...339
Disassembly And Assembly...340
FRONT AUXILIARY HYDRAULIC PRESSURE RELEASE VALVE...345
Removal And Installation...345
Disassembly And Assembly...346
FLOW CONTROL VALVE...351
Removal And Installation...351
HYDROSTATIC SYSTEM INFORMATION...355
Troubleshooting Chart...355
Replenishing Valve Function...356
OIL COOLER...357
Description...357
HYDROSTATIC DRIVE MOTOR...359
Removal And Installation...359
Parts Identification...360
Disassembly...363
Inspection...374
Assembly...376
HYDROSTATIC PUMP...389
Removal And Installation...389
Parts Identification...390
Parts Identification...392
Disassembly...395
Inspection...407
Assembly...411
Charge pressure checking procedure...426
Charge pressure adjusting procedure...426
TROUBLESHOOTING...431
Chart...431
AXLE AND DIFFERENTIAL (FRONT) (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...433
General Information...433
Planetary Carrier Parts Identification...433
Planetary Carrier Disassembly...434
Planetary Carrier Inspection...436
Wheel Hub Parts Identification...437
Wheel Hub Disassembly...438
Wheel Hub Inspection...441
Steering Knuckle Parts Identification...442
Steering Knuckle Disassembly...443
Axle Housing/Drive Axle Parts Identification...445
Axle Housing/Drive Axle Disassembly...446
Brake Group Parts Identification...451
Brake Group Disassembly...451
Brake Group Inspection...457
Differential Parts Identification...458
Differential Disassembly...458
Differential Inspection...461
Pinion Group Parts Identification...462
Pinion Group Disassembly...463
Pinion Group Inspection...465
Pinion Group Assembly...466
Differential Assembly...472
Brake Group Assembly...475
Axle Housing/Drive Axle Assembly...485
Steering Knuckle Assembly...490
Wheel Hub Assembly...493
Planetary Carrier Assembly...495
AXLE AND DIFFERENTIAL (REAR) (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...497
General Information...497
Planetary Carrier Parts Identification...497
Planetary Carrier Disassembly...498
Planetary Carrier Inspection...500
Wheel Hub Parts Identification...501
Wheel Hub Disassembly...502
Wheel Hub Inspection...505
Steering Knuckle Parts Identification...505
Steering Knuckle Disassembly...506
Axle Housing/Drive Axle Parts Identification...508
Axle Housing/Drive Axle Disassembly...509
Differential Parts Identification...512
Differential Disassembly...512
Differential Inspection...519
Pinion Group Parts Identification...520
Pinion Group Disassembly...521
Pinion Group Inspection...524
Pinion Group Assembly...525
Differential Assembly...531
Axle Housing/Drive Axle Assembly...542
Steering Knuckle Assembly...545
Wheel Hub Assembly...548
Planetary Carrier Assembly...550
AXLE AND DIFFERENTIAL (FRONT) (For S/N 363012001 and Above, S/N 363112001 and Above)...553
General Information...553
Planetary Carrier Parts Identification...553
Planetary Carrier Disassembly...554
Steering Knuckle Parts Identification...558
Steering Knuckle Disassembly...559
Brake System Identification...564
Brake System disassembly...566
Differential Parts Identification...575
Differential Disassembly...576
AXLE AND DIFFERENTIAL (FRONT) (For S/N 363012001 and Above, S/N 363112001 and Above) (Cont'd)...582
Bevel Pinion Parts Identification...582
Bevel Pinion Disassembly...583
Bevel Pinion Assembly...586
Differential Assembly...593
Brake Assembly...598
Steering Knuckle Assembly...611
Planetary Carrier Assembly...617
special tools...621
AXLE AND DIFFERENTIAL (FRONT) (For S/N 363012501 and Above, S/N 363112501 and Above)...623
General Information...623
Planetary Carrier And Steering Knuckle Parts Identification...623
Planetary Carrier Disassembly and Assembly...624
Wheel Hub Disassembly And Assembly...626
Steering Knuckle Disassembly And Assembly...628
Axle Housing / Drive Axle Disassembly...630
Brake Group Parts Identification...634
Brake Group Disassembly...635
Differential Parts Identification...638
Differential Disassembly And Assembly...639
Pinion Group Parts Identification...642
Pinion Group Disassembly...643
Pinion Group Assembly...644
Brake Group Assembly...649
Axle Housing / Drive Axle Assemby...652
Special Tools...655
AXLE AND DIFFERENTIAL (REAR) (For S/N 363012001 and Above, S/N 363112001 and Above)...657
General Information...657
Planetary Carrier Parts Identification...657
Planetary Carrier Disassembly (Cont’d)...658
Steering Knuckle Parts Identification...662
Steering Knuckle Disassembly...663
Differential Parts Identification...667
Bevel pinion Parts Identification...673
Differential Assembly...685
Steering Knuckle Assembly...689
Planetary Carrier Assembly...695
FRONT AXLE (For S/N 363011001 - 363012000 and S/ N 363111001 - 363112000)...701
Removal...701
Installation...707
FRONT AXLE (For S/N 363012001 and Above, S/N 363112001 and Above)...713
Removal...713
Installation...719
AXLE TOE-IN (For S/N 363011001 - 363012000 and S/ N 363111001 - 363112000)...725
Adjustment...725
AXLE TOE-IN (For S/N 363012001 and Above, S/N 363112001 and Above)...727
Adjustment...727
PARKING BRAKE (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...729
Releasing The Brake For Towing...729
Re-Activating The Brake...730
PARKING BRAKE (For S/N 363012001 and Above, S/N 363112001 and Above)...731
Releasing The Brake For Towing...731
Re-Activating The Brake...732
STEERING ANGLE ADJUSTMENT (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...733
Adjustment...733
STEERING ANGLE ADJUSTMENT (For S/N 363012001 and Above, S/N 363112001 and Above)...735
Adjustment...735
DRIVESHAFT...737
For S/N 363011001 - 363012000 and S/N 363111001 - 363112000...737
Removal And Installation...737
For S/N 363012001 and Above, S/N 363112001 and Above)...737
SERVICE BRAKE (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...739
Description...739
Bleeding The Brake Circuit...739
SERVICE BRAKE (For S/N 363012001 and Above, S/N 363112001 and Above)...741
Description...741
Bleeding The Brake Circuit...741
REAR AXLE (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...743
Removal...743
Installation...746
REAR AXLE (For S/N 363012001 and Above, S/N 363112001 and Above)...751
Removal...751
Installation...754
OPERATOR CAB...761
Removal And Installation...761
OPERATOR SEAT...769
Not available at time of printing...769
BOOM ASSEMBLY...771
Removal And Installation...771
INNER BOOM...775
Removal...775
Installation...777
WEAR PADS (FRONT)...779
Removal And Installation...779
WEAR PADS (REAR)...781
Removal...781
Installation...781
ENGINE COVER...783
Gas Cylinder Removal And Installation...783
Removal And Installation...783
AIR INTAKE COWLING...785
Removal And Installation...785
FUEL TANK...787
Removal And Installation...787
QUICK TACH...791
Removal And Installation...791
REAR WEIGHTS...793
Removal And Installation...793
FENDER...795
Removal And Installation (For S/N 363011001 - 363012000 and S/N 363111001 - 363112000)...795
JOYSTICK PANEL...797
Removal And Installation...797
DASH COVER/STEERING COLUMN COVER...799
Removal And Installation...799
ELECTRICAL SYSTEM INFORMATION...805
Troubleshooting Chart...805
Description...805
Fuses, Diodes & Relays...805
ELECTRICAL SYSTEM (CONT’D)...806
Fuses, Diodes & Relays (Cont’d)...806
BATTERY...809
Removal And Installation...809
Servicing...810
Using A Booster Battery (Jump Starting)...811
ALTERNATOR...813
Removal And Installation...813
Adjusting The Alternator Belt...814
STARTER...815
Removal And Installation...815
STARTER (CONT’D)...816
Parts Identification...816
Disassembly/Assembly...817
LIGHTS...819
Rear Light Removal And Installation...819
Front Light Removal And Installation...820
TRAVEL/SIGNAL LEVER...821
Removal And Installation...821
INSTRUMENT PANEL...823
Removal And Installation...823
SWITCH PANEL...825
Parts description...825
BRAKE LIGHT SWITCH...827
Removal And Installation...827
Adjustment...827
FRONT WIPER MOTOR...829
Removal And Installation...829
TOP WIPER MOTOR...833
Removal And Installation...833
REAR WIPER MOTOR...835
Removal And Installation...835
PEDAL ASSEMBLY...837
Removal And Installation...837
Disassembly And Assembly...838
INCHING SWITCH...843
Removal And Installation...843
Adjustment...843
SERVICE SOFTWARE (ONLY For S/N 363011001 and Above, S/N 363111001 and Above)...845
Connecting The Laptop Computer...845
Entering The Service Software...846
Monitor Screen...847
Warnings Screen...848
Calibrate Inch Pedal...849
Longitudinal Stability Indicator Calibration...851
Fitting the sensor...851
Calibration procedure...851
TROUBLESHOOTING...857
Chart...857
ENGINE SPEED CONTROL...859
Removal And Installation...859
MUFFLER...861
Removal And Installation...861
AIR CLEANER...863
Housing Removal And Installation...863
OIL COOLER/RADIATOR...865
Removal And Installation...865
Disassembly And Assembly...867
ENGINE AND ENGINE MOUNTS...869
Removal And Installation...869
ENGINE COMPONENTS AND TESTING...873
Fuel Injection Pump Removal...873
Fuel Injection Pump Installation...876
Fuel Injectors Removal And Installation...879
Checking The Fuel Lift Pump...881
Fuel Lift Pump Removal And Installation...882
Compression Checking...883
Glow Plugs Checking...884
Glow Plugs Removal And Installation...884
ENGINE TIMING...887
Procedure...887
ENGINE/HYDROSTAT ASSEMBLY...889
Removal And Installation...889
FLYWHEEL AND HOUSING...903
Removal And Installation...903
Ring Gear Removal...906
Ring Gear Installation...906
RECONDITIONING THE ENGINE...907
Turbo Charger Troubleshooting...907
Turbo Charger Description...908
Turbo Charger Removal And Installation...908
Exhaust Manifold Removal And Installation...910
Fuel Injector Cover Removal And Installation...910
Rocker Cover Removal And Installation...911
Cylinder Head Removal...912
Cylinder Head Inspection...914
Cylinder Head Installation...914
Rocker Shaft Disassembly And Assembly...917
Valve Removal...917
Valve Springs Checking...918
Valve Depth Checking...918
Valve Guides Checking...919
Valve Guide Removal...920
Valve Guide Installation...920
Valves Checking...921
Cutting A Valve Seat...921
Valve Seat Assembly...922
Changing Valve Springs (With Cylinder Head Installed)...923
Valve Clearance Adjustment...924
Timing Case And Drive Assembly Description...925
Timing Cover Removal...925
Timing Cover Installation...925
Crankshaft Pulley Removal And Installation...925
Front Oil Seal Removal And Installation...925
Timing Case And Gear Removal...926
Timing Case And Gear Installation...927
Camshaft And Tappets Removal...929
Camshaft And Tappets Installation...930
Pistons And Connecting Rods Description...932
Pistons And Connecting Rods Removal...932
Pistons And Connecting Rods Disassembly...934
Piston Ring End Gap...934
Piston Ring Installation...934
Piston Ring Groove Clearance...935
Connecting Rod Inspection...936
Connecting Rod Bushing Replacement...936
Piston And Connecting Rod Assembly...936
Piston And Connecting Rod Installation...936
Checking Piston Height...938
Crankshaft And Bearings Description...939
Crankshaft And Bearings Removal...939
Inspection Of Crankshaft And Bearings...941
Crankshaft And Bearings Installation...941
Rear Oil Seal Removal...943
Rear Oil Seal Housing Positioning...943
Rear Oil Seal Installation...943
Checking Crankshaft End Play...944
Cooling System Description...945
Thermostat Removal and Installation...946
Thermostat Testing...946
Lubricating Oil Cooler Removal And Installation...946
Water Pump Removal...947
Water Pump Installation...947
Engine Lubrication System Description...948
Oil Filter Adapter Removal And Installation...949
Oil Pan Removal And Installation...949
Oil Screen And Pick-up Tube...950
Oil Pump Removal...950
Oil Pump Installation...951
Oil Pump Disassembly And Assembly...952
Oil Pressure Relief Valve Disassembly And Assembly...952
Engine Block Description...953
Engine Block Disassembly And Assembly...953
Piston Cooling Jet Removal...954
Piston Cooling Jet Installation...954
Piston Cooling Jet Alignment...954
Inspection...954
Cylinder Liner Inspection...955
Cylinder Liner Removal...956
Cylinder Liner Installation...957
AIR CONDITIONING SYSTEM FLOW...961
Principals...961
Chart...962
COMPONENTS...963
Identification...963
SAFETY...965
Safety Equipment...965
REGULAR MAINTENANCE...967
Filter Element Removal And Installation...967
Compressor Drive Belt Inspection...968
Cleaning The Condenser...968
BASIC TROUBLESHOOTING...969
Poor A/C Performance...969
Compressor Drive Belt Inspection...969
Checking The Electrical System...970
GENERAL AIR CONDITIONING SERVICE GUIDELINES...975
Compressor Oil...975
Compressor Oil Check...975
Component Replacement And Refrigeration Leaks...977
SYSTEM TROUBLESHOOTING CHART...979
Chart...979
Gauge Pressure Related Troubleshooting...980
TEMPERATURE/PRESSURE...983
Chart...983
AIR CONDITIONING SERVICE...985
Chart...985
SYSTEM CHARGING AND RECLAMATION...987
Reclamation Procedure...987
Charging Procedure With A Manifold Gauge Set...990
Charging Procedure...991
COMPRESSOR...993
Removal And Installation...993
Compressor Clutch Disassembly And Assembly...994
CONDENSER...999
Removal And Installation...999
RECEIVER/DRIER...1001
Removal And Installation...1001
PRESSURE SWITCH...1003
Removal And Installation...1003
EVAPORATOR/BLOWER UNIT...1005
Removal And Installation...1005
EXPANSION VALVE...1007
Removal And Installation...1007
HEATER ASSEMBLY...1009
Removal And Installation...1009
Fan Removal And Installation...1010
Core Removal And Installation...1010
TELESCOPIC HANDLER SPECIFICATIONS...1015
Dimensional Specifications...1015
Performance Specifications...1016
Engine...1016
Controls...1016
Drive System...1016
Tires...1017
Capacities...1017
Hydraulic System...1017
Electrical System...1017
Instrument Panel...1017
ENGINE SPECIFICATIONS...1019
General...1019
Cylinder Head...1019
Valve Guides...1019
Exhaust Valves...1020
Intake Valves...1020
Valve Springs...1020
Rocker Shaft, Rockers And Bushings...1021
Pistons And Piston Rings...1021
Connecting Rods And Bearings...1022
Crankshaft...1022
Crankshaft Re-Grind Data...1023
Main Bearings...1024
Thrust Washers...1024
Camshaft And Thrust Washer...1024
Cylinder Block...1024
Cylinder Liners...1025
Fuel Injection Pump...1025
Fuel Injectors...1025
Fuel Lift Pump...1025
Timing Case And Timing Gears...1026
Oil Pump, Gear And Relief Valve...1027
Turbocharger...1027
Flywheel...1027
Water Pump And Thermostat...1028
Engine Torque Component...1029
MACHINE TORQUE SPECIFICATIONS...1031
Specifications...1031
TORQUE SPECIFICATIONS FOR BOLTS...1033
Torque for General SAE Bolts...1033
Torque For General Metric Bolts...1034
HYDRAULIC CONNECTION SPECIFICATIONS...1035
O-ring Face Seal Connection...1035
Straight Thread O-ring Fitting...1035
Tubelines And Hoses...1035
Flare Fitting...1036
O-ring Flare Fitting...1037
Port Seal Fitting...1039
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...1041
Specifications...1041
CONVERSIONS...1043
Decimal And Millimeter Equivalents...1043
U.S. To Metric Conversion...1044
6986740 (07-08) - T2250 Service Manual...1045
MAINTENANCE SAFETY...1047
ALPHABETICAL INDEX...1049
CONTENTS...1051
FOREWORD...1053
SAFETY INSTRUCTIONS...1055
FIRE PREVENTION...1056
Maintenance...1056
Operation...1056
Electrical...1056
Hydraulic System...1056
Fueling...1056
Starting...1056
Welding And Grinding...1057
Fire Extinguishers...1057
SERIAL NUMBER LOCATION...1058
Engine Serial Number...1058
DELIVERY REPORT...1059
BOBCAT TELESCOPIC HANDLER IDENTIFICATION...1060
SAFETY AND MAINTENANCE...1061
LIFTING AND BLOCKING THE TELESCOPIC HANDLER...1063
Procedure...1063
OPERATOR CAB...1065
Emergency Exit...1065
Cab Door...1066
Cab Door Window...1066
TRANSPORTING THE TELESCOPIC HANDLER...1067
Procedure...1067
TOWING THE TELESCOPIC HANDLER...1069
Releasing The Brake Discs...1069
Towing...1070
Engaging The Brake Discs...1070
SERVICE SCHEDULE...1071
Chart...1071
AIR CLEANER SERVICE...1073
Replacing The Filter Element...1073
ENGINE COOLING SYSTEM...1075
Cleaning The Cooling System...1075
Checking The Coolant Level...1075
Replacing The Coolant...1076
FUEL SYSTEM...1077
Fuel Specifications...1077
Filling The Fuel Tank...1077
Fuel Filter...1078
ENGINE LUBRICATION SYSTEM...1079
Checking Engine Oil...1079
Oil Chart...1079
Replacing Oil And Filter...1079
HYDRAULIC / HYDROSTATIC SYSTEM...1081
Checking And Adding Fluid...1081
Replacing The Hydraulic / Hydrostatic Filters...1081
Replacing Hydraulic Fluid...1082
AXLES (FRONT AND REAR)...1083
Checking Oil Level (Planetary Carrier)...1083
Draining Oil (Planetary Carrier)...1083
Checking Oil Level (Rear Differential)...1084
Draining Oil (Rear Differential)...1084
Checking Oil Level (Front Differential)...1085
Draining Oil (Front Differential)...1085
LUBRICATION...1087
Procedure...1087
TIRE MAINTENANCE...1091
Wheel Nuts...1091
Tire Mounting...1091
Tire Rotation...1091
Tire Pressure...1091
APPROVED BOOM STOP...1093
Installing The Approved Boom Stop...1093
Removing The Approved Boom Stop...1093
ENGINE COVER...1095
Opening And Closing The Engine Cover...1095
REMOTE START...1097
Connecting to the Telescopic Handler...1097
HYDRAULIC SYSTEM...1101
HYDRAULIC / HYDROSTATIC SCHEMATICS...1105
HYDRAULIC SYSTEM INFORMATION...1108
Troubleshooting Chart...1111
Tightening Procedures...1112
LIFT CYLINDER...1114
Removal And Installation...1114
Parts Identification...1118
Disassembly...1119
Assembly...1123
BUCKET POSITIONING CYLINDER...1128
Removal And Installation...1128
Parts Identification...1132
Disassembly...1133
Assembly...1136
EXTENSION CYLINDER...1140
Cylinder Group Removal And Installation...1140
Upper Tubeline Removal...1142
Upper Tubeline Installation...1143
Extension Cylinder Removal And Installation...1144
Tubeline Tray Disassembly...1145
Tubeline Tray Assembly...1147
Parts Identification...1149
Disassembly...1150
Assembly...1154
TILT CYLINDER...1158
Removal And Installation...1158
Parts Identification...1160
Disassembly...1161
Assembly...1164
STEERING CYLINDER (FRONT)...1168
Removing the Steering Cylinder...1168
Installing the Steering Cylinder...1169
Disassembling the Steering Cylinder...1171
Assembling the Steering Cylinder...1172
STEERING CYLINDER (REAR)...1176
Removing The Steering Cylinder...1176
Disassembling The Steering Cylinder...1179
Assembling The Steering Cylinder...1181
DRIVE BOX...1184
Parts Identification...1184
Disassembly...1185
Assembly...1189
Special Tools...1192
MAIN RELIEF VALVE...1194
Testing And Adjustment...1194
Removal And Installation...1195
BOB-TACH CYLINDER...1196
Not available at time of printing...1196
PORT RELIEF VALVES...1198
Parts Identification...1198
Adjustment Procedure...1199
STEERING MODE VALVE BLOCK...1200
Removal And Installation...1200
Parts Identification...1201
Disassembly...1202
Solenoid Testing...1204
Assembly...1204
BRAKE VALVE...1208
Removal And Installation...1208
Disassembly And Assembly...1209
GEAR PUMP...1212
Removal And Installation...1212
Parts Identification...1214
Disassembly And Assembly...1215
HYDRAULIC RESERVOIR...1218
Removal And Installation...1218
STEERING VALVE...1220
Removal And Installation...1220
Parts Identification...1221
Disassembly...1222
Inspection...1225
Assembly...1225
HYDRAULIC CONTROL VALVE...1230
Troubleshooting Chart (Controllers)...1230
Telescoping Valve Section Troubleshooting...1231
Auxiliary Valve Section Troubleshooting...1235
Troubleshooting Chart (Control Valve)...1239
Removal And Installation...1240
Parts Identification...1244
Disassembly And Assembly...1245
End Housing Disassembly And Assembly...1245
Telescoping and Auxiliary Valve Section Disassembly And Assembly...1246
Lifting and Tilting Valve Section Disassembly And Assembly...1248
Inlet-Outlet Valve Section Disassembly And Assembly...1249
JOYSTICK...1250
Removal And Installation...1250
PARKING BRAKE...1252
Parking Brake Valve Removal And Installation...1252
Parking Brake Valve Disassembly And Assembly...1253
WORKGROUP LOCKOUT VALVE...1256
Testing...1256
Removal And Installation...1257
Disassembly And Assembly...1258
TOW VALVE...1260
Removal And Installation...1260
Disassembly And Assembly...1261
FRONT AUXILIARY HYDRAULIC PRESSURE RELEASE VALVE...1266
Removal And Installation...1266
Disassembly And Assembly...1267
MANIFOLD...1272
Removal And Installation...1272
Disassembly...1274
HYDROSTATIC SYSTEM...1276
HYDROSTATIC SYSTEM INFORMATION...1278
Troubleshooting Chart...1278
Replenishing Valve Function...1279
OIL COOLER...1280
Removal And Installation...1280
HYDROSTATIC DRIVE MOTOR...1282
Removal And Installation...1282
Parts Identification...1283
Disassembly...1286
Inspection...1297
Assembly...1299
HYDROSTATIC PUMP...1312
Removal And Installation...1312
Parts Identification...1314
Disassembly...1319
Inspection...1331
Assembly...1335
DRIVE BELT...1350
Description...1350
Shield Removal And Installation...1350
Adjusting...1351
Belt Removal And Installation...1352
Tensioner Pulley Removal And Installation...1353
Tensioner Pulley Parts Identification...1355
Tensioner Pulley Disassembly And Assembly...1356
DRIVE SYSTEM...1360
TROUBLESHOOTING...1362
Chart...1362
AXLE AND DIFFERENTIAL (FRONT)...1364
Description...1364
Planetary Carrier And Wheel Hub Parts Identification...1364
Planetary Carrier Disassembly...1365
Wheel Hub Disassembly...1367
Steering Knuckle And Drive Shaft Parts Identification...1370
Steering Knuckle Disassembly...1371
Axle Housing / Drive Shaft Disassembly...1375
Brake Group Parts Identification...1378
Brake Group Disassembly...1379
Differential Parts Identification...1383
Differential Disassembly...1384
Pinion Group Parts Identification...1387
Pinion Group Disassembly...1388
Pinion Group Assembly...1390
Differential Assembly...1396
Brake Group Assembly...1399
Axle Housing / Drive Shaft Assembly...1403
Steering Knuckle Assembly...1406
Wheel Hub Assembly...1412
Planetary Carrier Assembly...1413
Special Tools...1416
AXLE AND DIFFERENTIAL (REAR)...1418
Description...1418
Planetary Carrier And Wheel Hub Parts Identification...1418
Planetary Carrier Disassembly...1419
Wheel Hub Disassembly...1421
Steering Knuckle and Drive Shaft Parts Identification...1424
Steering Knuckle Disassembly...1425
Axle Housing / Drive Shaft Disassembly...1429
Differential Parts Identification...1432
Pinion Group Parts Identification...1437
Pinion Group Disassembly...1438
Pinion Group Assembly...1442
Differential Assembly...1450
Steering Knuckle Assembly...1454
Planetary Carrier Assembly...1460
Special Tools...1465
FRONT AXLE...1466
Removal...1466
Installation...1470
AXLE TOE-IN...1474
Adjustment...1474
PARKING BRAKE...1476
Releasing The Brake Discs...1476
Engaging The Brake Discs...1477
STEERING ANGLE ADJUSTMENT...1478
Adjustment...1478
DRIVESHAFT...1480
Removal And Installation...1480
SERVICE BRAKE...1482
Description...1482
Bleeding The Brake Circuit...1482
REAR AXLE...1484
Removal...1484
Installation...1487
MAIN FRAME...1490
OPERATOR CAB...1492
Removal And Installation...1492
OPERATOR SEAT...1500
Removal And Installation...1500
Assembly And Disassembly...1500
BOOM ASSEMBLY...1504
Removal And Installation...1504
INNER BOOM...1508
Removal...1508
Installation...1510
WEAR PADS (FRONT)...1512
Removal And Installation...1512
WEAR PADS (REAR)...1514
Removal...1514
Installation...1514
ENGINE COVER...1516
Locking Mechanism Removal And Installation...1516
Removal And Installation...1516
Lock...1517
FUEL TANK...1518
Removal And Installation...1518
BOB-TACH...1520
Removal And Installation...1520
REAR WEIGHTS...1522
Removal And Installation...1522
FENDER...1524
Removal And Installation...1524
JOYSTICK PANEL...1528
Joystick Panel Cover Removal and Installation...1528
DASH COVER/STEERING COLUMN COVER...1530
Steering Column Cover Removal And Installation...1530
Dash Cover Removal And Installation...1531
ELECTRICAL SYSTEM AND ANALYSIS...1532
ELECTRICAL SCHEMATICS...1534
ELECTRICAL SYSTEM INFORMATION...1552
Troubleshooting Chart...1552
Description...1553
Fuses, Diodes And Relays...1553
Fuses, Diodes & Relays (Cont’d)...1554
BATTERY...1556
Removal And Installation...1556
Servicing...1557
Using A Booster Battery (Jump Starting)...1558
ALTERNATOR...1560
Removal And Installation...1560
Adjusting The Alternator Belt...1561
STARTER...1562
Testing...1562
Removal And Installation...1563
Parts Identification...1565
LIGHTS...1566
Rear Light Removal And Installation...1566
Front Light Removal And Installation...1567
TRAVEL LEVER...1568
Removal And Installation...1568
INSTRUMENT PANEL...1570
Removal And Installation...1570
INSTRUMENT PANEL...1571
FRONT WIPER MOTOR...1572
Removal And Installation...1572
TOP WIPER MOTOR...1574
Removal And Installation...1574
REAR WIPER MOTOR...1578
Removal And Installation...1578
PEDAL ASSEMBLY...1582
Removal And Installation...1582
Disassembly And Assembly...1583
INCHING SWITCH...1588
Removal And Installation...1588
Adjustment...1588
Inching Control Calibration (Display Controller)...1589
SERVICE SOFTWARE...1592
Connecting Remote Start Tool to Laptop Computer...1592
Connecting Remote Start Tool to Telescopic Handler...1593
Entering The Service Software...1594
Calibrate Inch Pedal...1595
MAIN CONTROLLER...1598
Removal And Installation...1598
Connector Identification...1599
DIAGNOSTIC SERVICE CODES...1600
Viewing Service Codes...1600
Service Codes List...1600
ENGINE SERVICE...1606
ENGINE INFORMATION...1608
Description...1608
Specifications...1609
Torque Values...1613
Troubleshooting...1614
Compression - Checking...1616
ENGINE AND ENGINE MOUNTS...1618
Removal And Installation...1618
ENGINE AND HYDROSTAT ASSEMBLY...1622
Removal And Installation...1622
ENGINE SPEED CONTROL...1632
Removal And Installation...1632
MUFFLER...1634
Removal And Installation...1634
AIR CLEANER...1636
Removal And Installation...1636
Air Intake Cowling Removal And Installation...1636
ENGINE COOLING SYSTEM...1638
Radiator Removal And Installation...1638
Fan Removal And Installation...1640
Water Pump Removal And Installation...1640
Water Pump Disassembly And Assembly...1641
Thermostat Housing Removal And Installation...1641
LUBRICATION SYSTEM...1644
Oil Pan Removal And Installation...1644
Oil Pump Removal And Installation...1645
Oil Pump Inspection...1645
Oil Filter Cooler Removal And Installation...1647
Engine Oil Pressure - Testing...1648
FUEL SYSTEM...1650
Fuel Camshaft Removal And Installation...1650
Injection Pump Governor Housing Removal And Installation...1652
Injection Pump Governor Housing Disassembly And Assembly...1654
Fuel Shutoff Solenoid - Checking...1656
Fuel Shutoff Solenoid - Removal And Installation...1656
Fuel Injection Pump Removal And Installation...1657
Fuel Injection Pump Housing Removal...1665
Fuel Injection Pump Housing Installation...1669
Injection Pump Timing...1672
Fuel Injector Removal and Installation...1675
Fuel Injector Nozzle Pressure - Checking...1677
Nozzle Spraying Condition...1677
Valve Seat Tightness...1678
CYLINDER HEAD...1680
Intake Air Heater - Testing...1680
Intake Air Heater Removal And Installation...1680
Valve Clearance Adjustment...1681
Valve Timing - Checking...1682
Cylinder Head Removal And Installation...1683
Cylinder Head Disassembly And Assembly...1686
Cylinder Head - Servicing...1687
Cylinder Head Top Clearance...1687
Valve Guide - Checking...1688
Reconditioning The Valve And Valve Seat...1690
Valve Spring...1692
Valve Tappets...1693
Rocker Arm And Shaft - Checking...1694
CRANKSHAFT AND PISTONS...1696
Piston And Connecting Rod Removal And Installation...1696
Piston And Connecting Rod - Servicing...1698
Cylinder Bore Checking...1703
Connecting Rod Alignment...1704
Crankshaft Gear Removal And Installation...1704
Crankshaft And Bearings Removal and Installation...1705
Crankshaft And Bearings - Servicing...1709
CAMSHAFT AND TIMING GEARS...1716
Timing Gearcase Cover Removal And Installation...1716
Timing Gears Backlash - Checking...1717
Camshaft - Servicing...1718
Idle Gear And Shaft Removal And Installation...1720
Idler Gear And Shaft - Servicing...1721
TURBOCHARGER...1724
Description...1724
Testing...1724
Removal And Installation...1725
FLYWHEEL AND HOUSING...1726
Flywheel Removal And Installation...1726
Ring Gear Removal And Installation...1726
Housing Removal And Installation...1727
HEATING, VENTILATION, AIR CONDITIONING...1728
AIR CONDITIONING SYSTEM FLOW...1730
Description...1730
Chart...1731
COMPONENTS...1732
Identification...1732
SAFETY...1734
Safety Equipment...1734
REGULAR MAINTENANCE...1736
Filter Element Removal And Installation...1736
Compressor And Alternator Drive Belt Inspection...1737
Cleaning The Condenser...1737
BASIC TROUBLESHOOTING...1738
Poor A/C Performance...1738
Compressor And Alternator Drive Belt Inspection...1738
Checking The Electrical System...1739
GENERAL AIR CONDITIONING SERVICE GUIDELINES...1744
Compressor Oil...1744
Compressor Oil Check...1744
Component Replacement And Refrigeration Leaks...1746
SYSTEM TROUBLESHOOTING CHART...1748
Chart...1748
Gauge Pressure Related Troubleshooting...1749
TEMPERATURE AND PRESSURE...1752
Chart...1752
AIR CONDITIONING SERVICE...1754
Chart...1754
SYSTEM CHARGING AND RECLAMATION...1756
Reclamation Procedure...1756
Charging Procedure With A Manifold Gauge Set...1759
COMPRESSOR...1762
Removal And Installation...1762
Compressor Clutch Disassembly And Assembly...1763
CONDENSER...1768
Removal And Installation...1768
RECEIVER / DRIER...1770
Removal And Installation...1770
PRESSURE SWITCH...1772
Removal And Installation...1772
EVAPORATOR/BLOWER UNIT...1774
Removal And Installation...1774
EXPANSION VALVE...1778
Removal And Installation...1778
HEATER ASSEMBLY...1780
Removal And Installation...1780
Fan Removal And Installation...1781
Core Removal And Installation...1781
SPECIFICATIONS...1784
TELESCOPIC HANDLER TELESCOPIC TOOL CARRIER (TTC) SPECIFICATIONS...1786
Machine Dimensions...1786
Performance...1787
Engine...1787
Controls...1787
Drive System...1787
Tires...1788
Capacities...1788
Hydraulic System...1788
Electrical System...1788
Instrument Panel...1788
ENGINE SPECIFICATIONS...1790
General...1790
Cylinder Head...1790
Valve Guides...1790
Exhaust Valves...1791
Intake Valves...1791
Valve Springs...1791
Rocker Shaft, Rockers And Bushings...1792
Pistons And Piston Rings...1792
Connecting Rods And Bearings...1793
Crankshaft...1793
Crankshaft Re-Grind Data...1794
Main Bearings...1795
Thrust Washers...1795
Camshaft And Thrust Washer...1795
Cylinder Block...1795
Cylinder Liners...1796
Fuel Injection Pump...1796
Fuel Injectors...1796
Fuel Lift Pump...1796
Timing Case And Timing Gears...1797
Oil Pump, Gear And Relief Valve...1798
Turbocharger...1798
Flywheel...1798
Water Pump And Thermostat...1799
Engine Torque Component...1800
MACHINE TORQUE SPECIFICATIONS...1802
Specifications...1802
TORQUE SPECIFICATIONS FOR BOLTS...1804
Torque for General SAE Bolts...1804
Torque For General Metric Bolts...1805
HYDRAULIC CONNECTION SPECIFICATIONS...1806
O-ring Face Seal Connection...1806
Straight Thread O-ring Fitting...1806
Tubelines And Hoses...1806
Flare Fitting...1807
O-ring Flare Fitting...1808
Port Seal Fitting...1810
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...1812
Specifications...1812
CONVERSIONS...1814
Decimal And Millimeter Equivalents...1814
U.S. To Metric Conversion...1815
6986740 (7-08) - T2250 Telescopic Handler Service Manual...1816
MAINTENANCE SAFETY...1818
ALPHABETICAL INDEX...1820
CONTENTS...1822
FOREWORD...1824
SAFETY INSTRUCTIONS...1826
FIRE PREVENTION...1827
Maintenance...1827
Operation...1827
Electrical...1827
Hydraulic System...1827
Fueling...1827
Starting...1827
Welding And Grinding...1828
Fire Extinguishers...1828
SERIAL NUMBER LOCATION...1829
Engine Serial Number...1829
DELIVERY REPORT...1830
BOBCAT TELESCOPIC HANDLER IDENTIFICATION...1831
SAFETY AND MAINTENANCE...1832
LIFTING AND BLOCKING THE TELESCOPIC HANDLER...1834
Procedure...1834
OPERATOR CAB...1836
Emergency Exit...1836
Cab Door...1837
Cab Door Window...1837
TRANSPORTING THE TELESCOPIC HANDLER...1838
Procedure...1838
TOWING THE TELESCOPIC HANDLER...1840
Releasing The Brake Discs...1840
Towing...1841
Engaging The Brake Discs...1841
SERVICE SCHEDULE...1842
Chart...1842
AIR CLEANER SERVICE...1844
Replacing The Filter Element...1844
ENGINE COOLING SYSTEM...1846
Cleaning The Cooling System...1846
Checking The Coolant Level...1846
Replacing The Coolant...1847
FUEL SYSTEM...1848
Fuel Specifications...1848
Filling The Fuel Tank...1848
Fuel Filter...1849
ENGINE LUBRICATION SYSTEM...1850
Checking Engine Oil...1850
Oil Chart...1850
Replacing Oil And Filter...1850
HYDRAULIC / HYDROSTATIC SYSTEM...1852
Checking And Adding Fluid...1852
Replacing The Hydraulic / Hydrostatic Filters...1852
Replacing Hydraulic Fluid...1853
AXLES (FRONT AND REAR)...1854
Checking Oil Level (Planetary Carrier)...1854
Draining Oil (Planetary Carrier)...1854
Checking Oil Level (Rear Differential)...1855
Draining Oil (Rear Differential)...1855
Checking Oil Level (Front Differential)...1856
Draining Oil (Front Differential)...1856
LUBRICATION...1858
Procedure...1858
TIRE MAINTENANCE...1862
Wheel Nuts...1862
Tire Mounting...1862
Tire Rotation...1862
Tire Pressure...1862
APPROVED BOOM STOP...1864
Installing The Approved Boom Stop...1864
Removing The Approved Boom Stop...1864
ENGINE COVER...1866
Opening And Closing The Engine Cover...1866
REMOTE START...1868
Connecting to the Telescopic Handler...1868
HYDRAULIC SYSTEM...1872
HYDRAULIC / HYDROSTATIC SCHEMATICS...1876
HYDRAULIC SYSTEM INFORMATION...1879
Troubleshooting Chart...1882
Tightening Procedures...1883
LIFT CYLINDER...1885
Removal And Installation...1885
Parts Identification...1889
Disassembly...1890
Assembly...1894
BUCKET POSITIONING CYLINDER...1899
Removal And Installation...1899
Parts Identification...1903
Disassembly...1904
Assembly...1907
EXTENSION CYLINDER...1911
Cylinder Group Removal And Installation...1911
Upper Tubeline Removal...1913
Upper Tubeline Installation...1914
Extension Cylinder Removal And Installation...1915
Tubeline Tray Disassembly...1916
Tubeline Tray Assembly...1918
Parts Identification...1920
Disassembly...1921
Assembly...1925
TILT CYLINDER...1929
Removal And Installation...1929
Parts Identification...1931
Disassembly...1932
Assembly...1935
STEERING CYLINDER (FRONT)...1939
Removing the Steering Cylinder...1939
Installing the Steering Cylinder...1940
Disassembling the Steering Cylinder...1942
Assembling the Steering Cylinder...1943
STEERING CYLINDER (REAR)...1947
Removing The Steering Cylinder...1947
Disassembling The Steering Cylinder...1950
Assembling The Steering Cylinder...1952
DRIVE BOX...1955
Parts Identification...1955
Disassembly...1956
Assembly...1960
Special Tools...1963
MAIN RELIEF VALVE...1965
Testing And Adjustment...1965
Removal And Installation...1966
BOB-TACH CYLINDER...1967
Not available at time of printing...1967
PORT RELIEF VALVES...1969
Parts Identification...1969
Adjustment Procedure...1970
STEERING MODE VALVE BLOCK...1971
Removal And Installation...1971
Parts Identification...1972
Disassembly...1973
Solenoid Testing...1975
Assembly...1975
BRAKE VALVE...1979
Removal And Installation...1979
Disassembly And Assembly...1980
GEAR PUMP...1983
Removal And Installation...1983
Parts Identification...1985
Disassembly And Assembly...1986
HYDRAULIC RESERVOIR...1989
Removal And Installation...1989
STEERING VALVE...1991
Removal And Installation...1991
Parts Identification...1992
Disassembly...1993
Inspection...1996
Assembly...1996
HYDRAULIC CONTROL VALVE...2001
Troubleshooting Chart (Controllers)...2001
Telescoping Valve Section Troubleshooting...2002
Auxiliary Valve Section Troubleshooting...2006
Troubleshooting Chart (Control Valve)...2010
Removal And Installation...2011
Parts Identification...2015
Disassembly And Assembly...2016
End Housing Disassembly And Assembly...2016
Telescoping and Auxiliary Valve Section Disassembly And Assembly...2017
Lifting and Tilting Valve Section Disassembly And Assembly...2019
Inlet-Outlet Valve Section Disassembly And Assembly...2020
JOYSTICK...2021
Removal And Installation...2021
PARKING BRAKE...2023
Parking Brake Valve Removal And Installation...2023
Parking Brake Valve Disassembly And Assembly...2024
WORKGROUP LOCKOUT VALVE...2027
Testing...2027
Removal And Installation...2028
Disassembly And Assembly...2029
TOW VALVE...2031
Removal And Installation...2031
Disassembly And Assembly...2032
FRONT AUXILIARY HYDRAULIC PRESSURE RELEASE VALVE...2037
Removal And Installation...2037
Disassembly And Assembly...2038
MANIFOLD...2043
Removal And Installation...2043
Disassembly...2045
HYDROSTATIC SYSTEM...2047
HYDROSTATIC SYSTEM INFORMATION...2049
Troubleshooting Chart...2049
Replenishing Valve Function...2050
OIL COOLER...2051
Removal And Installation...2051
HYDROSTATIC DRIVE MOTOR...2053
Removal And Installation...2053
Parts Identification...2054
Disassembly...2057
Inspection...2068
Assembly...2070
HYDROSTATIC PUMP...2083
Removal And Installation...2083
Parts Identification...2085
Disassembly...2090
Inspection...2102
Assembly...2106
DRIVE BELT...2121
Description...2121
Shield Removal And Installation...2121
Adjusting...2122
Belt Removal And Installation...2123
Tensioner Pulley Removal And Installation...2124
Tensioner Pulley Parts Identification...2126
Tensioner Pulley Disassembly And Assembly...2127
DRIVE SYSTEM...2131
TROUBLESHOOTING...2133
Chart...2133
AXLE AND DIFFERENTIAL (FRONT)...2135
Description...2135
Planetary Carrier And Wheel Hub Parts Identification...2135
Planetary Carrier Disassembly...2136
Wheel Hub Disassembly...2138
Steering Knuckle And Drive Shaft Parts Identification...2141
Steering Knuckle Disassembly...2142
Axle Housing / Drive Shaft Disassembly...2146
Brake Group Parts Identification...2149
Brake Group Disassembly...2150
Differential Parts Identification...2154
Differential Disassembly...2155
Pinion Group Parts Identification...2158
Pinion Group Disassembly...2159
Pinion Group Assembly...2161
Differential Assembly...2167
Brake Group Assembly...2170
Axle Housing / Drive Shaft Assembly...2174
Steering Knuckle Assembly...2177
Wheel Hub Assembly...2183
Planetary Carrier Assembly...2184
Special Tools...2187
AXLE AND DIFFERENTIAL (REAR)...2189
Description...2189
Planetary Carrier And Wheel Hub Parts Identification...2189
Planetary Carrier Disassembly...2190
Wheel Hub Disassembly...2192
Steering Knuckle and Drive Shaft Parts Identification...2195
Steering Knuckle Disassembly...2196
Axle Housing / Drive Shaft Disassembly...2200
Differential Parts Identification...2203
Pinion Group Parts Identification...2208
Pinion Group Disassembly...2209
Pinion Group Assembly...2213
Differential Assembly...2221
Steering Knuckle Assembly...2225
Planetary Carrier Assembly...2231
Special Tools...2236
FRONT AXLE...2237
Removal...2237
Installation...2241
AXLE TOE-IN...2245
Adjustment...2245
PARKING BRAKE...2247
Releasing The Brake Discs...2247
Engaging The Brake Discs...2248
STEERING ANGLE ADJUSTMENT...2249
Adjustment...2249
DRIVESHAFT...2251
Removal And Installation...2251
SERVICE BRAKE...2253
Description...2253
Bleeding The Brake Circuit...2253
REAR AXLE...2255
Removal...2255
Installation...2258
MAIN FRAME...2261
OPERATOR CAB...2263
Removal And Installation...2263
OPERATOR SEAT...2271
Removal And Installation...2271
Assembly And Disassembly...2271
BOOM ASSEMBLY...2275
Removal And Installation...2275
INNER BOOM...2279
Removal...2279
Installation...2281
WEAR PADS (FRONT)...2283
Removal And Installation...2283
WEAR PADS (REAR)...2285
Removal...2285
Installation...2285
ENGINE COVER...2287
Locking Mechanism Removal And Installation...2287
Removal And Installation...2287
Lock...2288
FUEL TANK...2289
Removal And Installation...2289
BOB-TACH...2291
Removal And Installation...2291
REAR WEIGHTS...2293
Removal And Installation...2293
FENDER...2295
Removal And Installation...2295
JOYSTICK PANEL...2299
Joystick Panel Cover Removal and Installation...2299
DASH COVER/STEERING COLUMN COVER...2301
Steering Column Cover Removal And Installation...2301
Dash Cover Removal And Installation...2302
ELECTRICAL SYSTEM AND ANALYSIS...2303
ELECTRICAL SCHEMATICS...2305
ELECTRICAL SYSTEM INFORMATION...2323
Troubleshooting Chart...2323
Description...2324
Fuses, Diodes And Relays...2324
Fuses, Diodes & Relays (Cont’d)...2325
BATTERY...2327
Removal And Installation...2327
Servicing...2328
Using A Booster Battery (Jump Starting)...2329
ALTERNATOR...2331
Removal And Installation...2331
Adjusting The Alternator Belt...2332
STARTER...2333
Testing...2333
Removal And Installation...2334
Parts Identification...2336
LIGHTS...2337
Rear Light Removal And Installation...2337
Front Light Removal And Installation...2338
TRAVEL LEVER...2339
Removal And Installation...2339
INSTRUMENT PANEL...2341
Removal And Installation...2341
INSTRUMENT PANEL...2342
FRONT WIPER MOTOR...2343
Removal And Installation...2343
TOP WIPER MOTOR...2345
Removal And Installation...2345
REAR WIPER MOTOR...2349
Removal And Installation...2349
PEDAL ASSEMBLY...2353
Removal And Installation...2353
Disassembly And Assembly...2354
INCHING SWITCH...2359
Removal And Installation...2359
Adjustment...2359
Inching Control Calibration (Display Controller)...2360
SERVICE SOFTWARE...2363
Connecting Remote Start Tool to Laptop Computer...2363
Connecting Remote Start Tool to Telescopic Handler...2364
Entering The Service Software...2365
Calibrate Inch Pedal...2366
MAIN CONTROLLER...2369
Removal And Installation...2369
Connector Identification...2370
DIAGNOSTIC SERVICE CODES...2371
Viewing Service Codes...2371
Service Codes List...2371
ENGINE SERVICE...2377
ENGINE INFORMATION...2379
Description...2379
Specifications...2380
Torque Values...2384
Troubleshooting...2385
Compression - Checking...2387
ENGINE AND ENGINE MOUNTS...2389
Removal And Installation...2389
ENGINE AND HYDROSTAT ASSEMBLY...2393
Removal And Installation...2393
ENGINE SPEED CONTROL...2403
Removal And Installation...2403
MUFFLER...2405
Removal And Installation...2405
AIR CLEANER...2407
Removal And Installation...2407
Air Intake Cowling Removal And Installation...2407
ENGINE COOLING SYSTEM...2409
Radiator Removal And Installation...2409
Fan Removal And Installation...2411
Water Pump Removal And Installation...2411
Water Pump Disassembly And Assembly...2412
Thermostat Housing Removal And Installation...2412
LUBRICATION SYSTEM...2415
Oil Pan Removal And Installation...2415
Oil Pump Removal And Installation...2416
Oil Pump Inspection...2416
Oil Filter Cooler Removal And Installation...2418
Engine Oil Pressure - Testing...2419
FUEL SYSTEM...2421
Fuel Camshaft Removal And Installation...2421
Injection Pump Governor Housing Removal And Installation...2423
Injection Pump Governor Housing Disassembly And Assembly...2425
Fuel Shutoff Solenoid - Checking...2427
Fuel Shutoff Solenoid - Removal And Installation...2427
Fuel Injection Pump Removal And Installation...2428
Fuel Injection Pump Housing Removal...2436
Fuel Injection Pump Housing Installation...2440
Injection Pump Timing...2443
Fuel Injector Removal and Installation...2446
Fuel Injector Nozzle Pressure - Checking...2448
Nozzle Spraying Condition...2448
Valve Seat Tightness...2449
CYLINDER HEAD...2451
Intake Air Heater - Testing...2451
Intake Air Heater Removal And Installation...2451
Valve Clearance Adjustment...2452
Valve Timing - Checking...2453
Cylinder Head Removal And Installation...2454
Cylinder Head Disassembly And Assembly...2457
Cylinder Head - Servicing...2458
Cylinder Head Top Clearance...2458
Valve Guide - Checking...2459
Reconditioning The Valve And Valve Seat...2461
Valve Spring...2463
Valve Tappets...2464
Rocker Arm And Shaft - Checking...2465
CRANKSHAFT AND PISTONS...2467
Piston And Connecting Rod Removal And Installation...2467
Piston And Connecting Rod - Servicing...2469
Cylinder Bore Checking...2474
Connecting Rod Alignment...2475
Crankshaft Gear Removal And Installation...2475
Crankshaft And Bearings Removal and Installation...2476
Crankshaft And Bearings - Servicing...2480
CAMSHAFT AND TIMING GEARS...2487
Timing Gearcase Cover Removal And Installation...2487
Timing Gears Backlash - Checking...2488
Camshaft - Servicing...2489
Idle Gear And Shaft Removal And Installation...2491
Idler Gear And Shaft - Servicing...2492
TURBOCHARGER...2495
Description...2495
Testing...2495
Removal And Installation...2496
FLYWHEEL AND HOUSING...2497
Flywheel Removal And Installation...2497
Ring Gear Removal And Installation...2497
Housing Removal And Installation...2498
HEATING, VENTILATION, AIR CONDITIONING...2499
AIR CONDITIONING SYSTEM FLOW...2501
Description...2501
Chart...2502
COMPONENTS...2503
Identification...2503
SAFETY...2505
Safety Equipment...2505
REGULAR MAINTENANCE...2507
Filter Element Removal And Installation...2507
Compressor And Alternator Drive Belt Inspection...2508
Cleaning The Condenser...2508
BASIC TROUBLESHOOTING...2509
Poor A/C Performance...2509
Compressor And Alternator Drive Belt Inspection...2509
Checking The Electrical System...2510
GENERAL AIR CONDITIONING SERVICE GUIDELINES...2515
Compressor Oil...2515
Compressor Oil Check...2515
Component Replacement And Refrigeration Leaks...2517
SYSTEM TROUBLESHOOTING CHART...2519
Chart...2519
Gauge Pressure Related Troubleshooting...2520
TEMPERATURE AND PRESSURE...2523
Chart...2523
AIR CONDITIONING SERVICE...2525
Chart...2525
SYSTEM CHARGING AND RECLAMATION...2527
Reclamation Procedure...2527
Charging Procedure With A Manifold Gauge Set...2530
COMPRESSOR...2533
Removal And Installation...2533
Compressor Clutch Disassembly And Assembly...2534
CONDENSER...2539
Removal And Installation...2539
RECEIVER / DRIER...2541
Removal And Installation...2541
PRESSURE SWITCH...2543
Removal And Installation...2543
EVAPORATOR/BLOWER UNIT...2545
Removal And Installation...2545
EXPANSION VALVE...2549
Removal And Installation...2549
HEATER ASSEMBLY...2551
Removal And Installation...2551
Fan Removal And Installation...2552
Core Removal And Installation...2552
SPECIFICATIONS...2555
TELESCOPIC HANDLER TELESCOPIC TOOL CARRIER (TTC) SPECIFICATIONS...2557
Machine Dimensions...2557
Performance...2558
Engine...2558
Controls...2558
Drive System...2558
Tires...2559
Capacities...2559
Hydraulic System...2559
Electrical System...2559
Instrument Panel...2559
ENGINE SPECIFICATIONS...2561
General...2561
Cylinder Head...2561
Valve Guides...2561
Exhaust Valves...2562
Intake Valves...2562
Valve Springs...2562
Rocker Shaft, Rockers And Bushings...2563
Pistons And Piston Rings...2563
Connecting Rods And Bearings...2564
Crankshaft...2564
Crankshaft Re-Grind Data...2565
Main Bearings...2566
Thrust Washers...2566
Camshaft And Thrust Washer...2566
Cylinder Block...2566
Cylinder Liners...2567
Fuel Injection Pump...2567
Fuel Injectors...2567
Fuel Lift Pump...2567
Timing Case And Timing Gears...2568
Oil Pump, Gear And Relief Valve...2569
Turbocharger...2569
Flywheel...2569
Water Pump And Thermostat...2570
Engine Torque Component...2571
MACHINE TORQUE SPECIFICATIONS...2573
Specifications...2573
TORQUE SPECIFICATIONS FOR BOLTS...2575
Torque for General SAE Bolts...2575
Torque For General Metric Bolts...2576
HYDRAULIC CONNECTION SPECIFICATIONS...2577
O-ring Face Seal Connection...2577
Straight Thread O-ring Fitting...2577
Tubelines And Hoses...2577
Flare Fitting...2578
O-ring Flare Fitting...2579
Port Seal Fitting...2581
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...2583
Specifications...2583
CONVERSIONS...2585
Decimal And Millimeter Equivalents...2585
U.S. To Metric Conversion...2586
6986764 (08-12) - T2556, T2566 Telescopic Handler Service Manual...2587
MAINTENANCE SAFETY...2589
CONTENTS...2591
FOREWORD...2593
FOREWORD...2595
SAFETY INSTRUCTIONS...2597
FIRE PREVENTION...2598
Maintenance...2598
Operation...2598
Electrical...2598
Hydraulic System...2599
Fueling...2599
Starting...2599
Spark Arrester Exhaust System...2599
Welding And Grinding...2599
Fire Extinguishers...2599
SERIAL NUMBER LOCATION...2600
Telescopic Handler Serial Number...2600
Engine Serial Number...2600
Other Serial Numbers...2600
DELIVERY REPORT...2601
TELESCOPIC HANDLER IDENTIFICATION...2602
SAFETY & MAINTENANCE...2603
LIFTING AND BLOCKING THE TELESCOPIC HANDLER...2605
Procedure...2605
OPERATOR CAB (ROPS / FOPS)...2607
Cab Door...2608
Cab Door Window...2608
TRANSPORTING THE TELESCOPIC HANDLER ON A TRAILER...2609
Loading And Unloading...2609
Fastening...2609
TOWING THE TELESCOPIC HANDLER...2611
Procedure...2611
SERVICE SCHEDULE...2613
Chart...2613
AIR CLEANER SERVICE...2615
Replacing Filter Element...2615
ENGINE COOLING SYSTEM...2617
Cleaning...2617
Removing And Replacing The Coolant...2617
Checking Level...2619
FUEL SYSTEM...2621
Fuel Specifications...2621
Biodiesel Blend Fuel...2621
Filling The Fuel Tank...2622
Secondary Fuel Filter...2622
Primary Fuel Filter (Pre-Filter)...2623
Removing Air From The Fuel System...2624
ENGINE LUBRICATION SYSTEM...2625
Checking And Adding Engine Oil...2625
Engine Oil Chart...2625
Removing And Replacing Oil And Filter...2626
HYDRAULIC / HYDROSTATIC SYSTEM...2627
Checking And Adding Fluid...2627
Hydraulic / Hydrostatic Fluid Chart...2627
Removing And Replacing Hydraulic Fluid...2628
Removing And Replacing Hydraulic / Hydrostatic Filter...2629
Hydraulic Tank Breather...2629
ATTACHMENT CARRIER...2631
Inspection And Maintenance...2631
AXLES (FRONT AND REAR)...2633
Checking Oil Level (Planetary Carrier)...2633
Removing And Replacing Oil (Planetary Carrier)...2633
Checking And Adding Oil (Front Differential)...2634
Removing And Replacing Oil (Front Differential)...2634
Checking And Adding Oil (Rear Differential)...2635
Removing And Replacing Oil (Rear Differential)...2635
Checking And Adding Oil (Front Drop Box)...2636
Removing And Replacing Oil (Front Drop Box)...2636
LUBRICATING THE TELESCOPIC HANDLER...2637
Lubrication Locations...2637
TIRE MAINTENANCE...2641
Wheel Nuts...2641
Rotating...2641
Mounting...2641
APPROVED BOOM STOP...2643
Installing The Approved Boom Stop...2643
Removing The Approved Boom Stop...2643
ENGINE COVER...2645
Opening And Closing...2645
TELESCOPIC HANDLER STORAGE AND RETURN TO SERVICE...2647
Storage...2647
Return To Service...2647
STOPPING THE ENGINE AND LEAVING THE TELESCOPIC HANDLER...2649
Procedure...2649
EMERGENCY EXIT...2651
Rear Window...2651
HYDRAULIC SYSTEM...2653
HYDRAULIC SCHEMATIC...2657
HYDRAULIC SYSTEM INFORMATION...2663
Glossary Of Hydraulic / Hydrostatic Symbols...2663
Troubleshooting Chart...2666
Tightening Procedures...2667
LIFT CYLINDER...2669
Removal And Installation...2669
Parts Identification...2674
Disassembly...2675
Assembly...2679
BUCKET POSITIONING CYLINDER...2683
Removal And Installation...2683
Parts Identification...2688
Disassembly...2689
Assembly...2693
EXTENSION CYLINDER...2697
Cylinder Group Removal And Installation...2697
Upper Tubeline Removal...2699
Upper Tubeline Installation...2701
Extension Cylinder Removal And Installation...2703
Tubeline Tray Disassembly...2705
Tubeline Tray Assembly...2706
Parts Identification...2709
Disassembly...2710
Assembly...2714
TILT CYLINDER...2717
Removal And Installation...2717
TILT CYLINDER...2718
Parts Identification...2719
Disassembly...2720
Assembly...2725
STEERING CYLINDER (FRONT)...2731
Removal...2731
Installation...2732
Disassembly...2734
Assembly...2735
STEERING CYLINDER (REAR)...2739
Removal...2739
Installation...2740
Disassembly...2742
Assembly...2744
DRIVE BOX...2747
Parts Identification...2747
Disassembly...2748
Assembly...2752
Special Tools...2755
MAIN RELIEF VALVE...2757
Testing And Adjustment...2757
Removal And Installation...2758
QUICK-TACH CYLINDER...2759
Removal And Installation...2759
Parts Identification...2761
Disassembly...2762
Assembly...2765
PORT RELIEF VALVES...2767
Adjustment Procedure...2767
STEERING MODE VALVE BLOCK...2769
Removal And Installation...2769
Parts Identification...2771
Disassembly...2772
Solenoid Testing...2774
Assembly...2774
BRAKE VALVE...2777
Removal And Installation...2777
Disassembly And Assembly...2778
GEAR PUMP...2781
Removal And Installation...2781
Parts Identification...2783
Disassembly And Assembly...2784
FAN MOTOR...2791
Removal And Installation...2791
Parts Identification...2795
Disassembly And Assembly...2796
HYDRAULIC FLUID RESERVOIR...2799
Removal And Installation...2799
STEERING VALVE...2801
Removal And Installation...2801
Parts Identification...2802
Disassembly...2803
Inspection...2809
Assembly...2810
HYDRAULIC CONTROL VALVE...2817
Troubleshooting Chart (Controllers)...2817
Telescoping Valve Section Troubleshooting...2818
Auxiliary Valve Section Troubleshooting...2822
Troubleshooting Chart (Control Valve)...2826
Removal And Installation...2827
Parts Identification...2831
Disassembly And Assembly...2832
End Housing Disassembly And Assembly...2833
Telescoping Valve Section Disassembly And Assembly...2834
Auxiliary Valve Section Disassembly And Assembly...2846
Lifting Valve Section Disassembly And Assembly...2857
Tilting Valve Section Disassembly And Assembly...2862
Inlet-Outlet Valve Section Disassembly And Assembly...2868
JOYSTICK...2873
Removal And Installation...2873
PARKING BRAKE...2875
Valve Removal And Installation...2875
Valve Disassembly And Assembly...2876
PILOT PRESSURE LOCKOUT VALVE...2879
Testing...2879
Removal And Installation...2880
Disassembly And Assembly...2881
ACCUMULATOR...2883
Removal And Installation...2883
TOW VALVE...2885
Removal And Installation...2885
Disassembly And Assembly...2886
FRONT AUXILIARY HYDRAULIC PRESSURE RELEASE VALVE...2891
Removal And Installation...2891
Disassembly And Assembly...2892
FLOW CONTROL VALVE...2897
Removal And Installation...2897
HYDROSTATIC SYSTEM...2899
HYDROSTATIC SYSTEM INFORMATION...2901
Troubleshooting Chart...2901
Replenishing Valve Function...2902
OIL COOLER...2903
Description...2903
HYDROSTATIC DRIVE MOTOR...2905
Removal And Installation...2905
Parts Identification...2906
Disassembly...2909
Inspection...2920
Assembly...2922
HYDROSTATIC PUMP...2935
Removal And Installation...2935
Parts Identification...2936
Disassembly...2941
Inspection...2953
Assembly...2957
Charge Pressure Checking Procedure...2972
Charge Pressure Adjusting Procedure...2972
DRIVE SYSTEM...2973
TROUBLESHOOTING...2975
Chart...2975
AXLE AND DIFFERENTIAL (FRONT)...2977
Description...2977
Planetary Carrier And Wheel Hub Parts Identification...2977
Planetary Carrier Disassembly And Assembly...2978
Wheel Hub Disassembly And Assembly...2980
Steering Knuckle Disassembly And Assembly...2982
Axle Housing / Drive Axle Disassembly...2984
Brake Group Parts Identification...2988
Brake Group Disassembly...2989
Differential Parts Identification...2992
Differential Disassembly And Assembly...2993
Pinion Group Parts Identification...2996
Pinion Group Disassembly...2997
Pinion Group Assembly...2998
Brake Group Assembly...3003
Axle Housing / Drive Axle Assemby...3006
Special Tools...3009
AXLE AND DIFFERENTIAL (REAR)...3011
Description...3011
Planetary Carrier And Wheel Hub Parts Identification...3011
Planetary Carrier Disassembly...3012
Steering Knuckle Parts Identification...3016
Steering Knuckle Disassembly...3017
Differential Parts Identification...3021
Differential Disassembly...3022
Bevel Pinion Parts Identification...3027
Bevel Pinion Disassembly...3028
Bevel Pinion Assembly...3032
Differential Assembly...3041
Steering Knuckle Assembly...3045
Planetary Carrier Assembly...3051
Special Tools...3056
FRONT AXLE...3059
Removal...3059
Installation...3064
AXLE TOE-IN...3069
Adjustment...3069
PARKING BRAKE...3071
Releasing The Brake For Towing...3071
Re-Activating The Brake...3072
STEERING ANGLE ADJUSTMENT...3073
Adjustment...3073
DRIVE SHAFT...3075
Removal And Installation...3075
SERVICE BRAKE...3077
Description...3077
Bleeding The Brake Circuit...3077
REAR AXLE...3079
Removal...3079
Installation...3082
MAINFRAME...3087
OPERATOR CAB (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3089
Removal And Installation...3089
OPERATOR CAB (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...3097
Removal And Installation...3097
OPERATOR SEAT...3105
Removal And Installation...3105
BOOM ASSEMBLY...3107
Removal And Installation...3107
INNER BOOM...3111
Removal...3111
Installation...3113
WEAR PADS (FRONT)...3115
Removal And Installation...3115
WEAR PADS (REAR)...3117
Removal...3117
Installation...3117
ENGINE COVER...3119
Removal And Installation...3119
Gas Cylinder Removal And Installation...3119
AIR INTAKE COWLING...3121
Removal And Installation...3121
FUEL TANK...3123
Removal And Installation...3123
QUICK-TACH...3127
Removal And Installation...3127
REAR WEIGHTS...3129
Removal And Installation...3129
FENDER...3131
Removal And Installation...3131
JOYSTICK PANEL (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3133
Removal And Installation...3133
JOYSTICK PANEL (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...3135
Removal And Installation...3135
DASH COVER / STEERING COLUMN COVER (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3137
Removal And Installation...3137
DASH COVER / STEERING COLUMN COVER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...3141
Removal And Installation...3141
ELECTRICAL SYSTEM & ANALYSIS...3145
ELECTRICAL SCHEMATIC...3147
ELECTRICAL SYSTEM INFORMATION (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3183
Troubleshooting Chart...3183
Description...3185
Fuses, Diode And Relay Location / Identification...3185
ELECTRICAL SYSTEM INFORMATION (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...3189
Troubleshooting Chart...3189
Description...3190
Fuses, Diodes And Relays...3190
BATTERY...3193
Removal And Installation...3193
Servicing...3194
Using A Booster Battery (Jump Starting)...3195
ALTERNATOR...3197
Removal And Installation...3197
Belt Adjustment...3198
Belt Replacement...3198
STARTER...3199
Removal And Installation...3199
Parts Identification...3200
Disassembly...3201
Inspection And Repair...3206
Assembly...3210
LIGHTS...3215
Rear Light Removal And Installation...3215
Front Light Removal And Installation...3216
TRAVEL / SIGNAL LEVER (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3219
Removal And Installation...3219
TRAVEL / SIGNAL LEVER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...3221
Removal And Installation...3221
TRAVEL / SIGNAL LEVER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE) (CONT’D)...3222
Removal And Installation (Cont’d)...3222
INSTRUMENT PANEL...3223
Removal And Installation...3223
SWITCH PANEL (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3225
Removal And Installation...3225
Parts Description...3226
SWITCH PANEL (S/N A8FR13000 - 14999, S/N A8G313000 - 14999)...3229
Removal And Installation...3229
SWITCH PANEL (S/N A8FR15000 & ABOVE, S/N A8G315000 & ABOVE)...3231
Removal And Installation...3231
BRAKE LIGHT SWITCH...3233
Removal And Installation...3233
Adjustment...3233
WIPER MOTOR (FRONT)...3235
Removal And Installation...3235
WIPER MOTOR (TOP)...3239
Removal And Installation...3239
WIPER MOTOR (REAR)...3241
Removal And Installation...3241
PEDAL ASSEMBLY...3243
Removal And Installation...3243
Disassembly And Assembly...3244
INCHING SWITCH...3249
Removal And Installation...3249
Adjustment...3249
SERVICE SOFTWARE...3251
Connecting The Laptop Computer...3251
Entering The Service Software...3252
Monitor Screen...3253
Warnings Screen...3255
Calibrate Inch Pedal...3256
Calibrate Creep Potentiometer...3257
Program / Update Susmic Controller...3259
LONGITUDINAL STABILITY INDICATOR CALIBRATION (S/N A8FR11001 - 14999, S/N A8G311001 - 14999)...3261
Installing The Sensor...3261
Calibration Procedure...3261
LLMI / LLMC SYSTEM (S/N A8FR15000 & ABOVE, S/N A8G315000 & ABOVE)...3263
System Calibration...3263
Calibration Test...3265
System Failure Reports...3266
System Components Identification...3270
LLMS Removal...3272
LLMS Installation...3273
LLMC Controller Removal...3275
LLMC Controller Installation...3278
ENGINE SERVICE...3281
ENGINE INFORMATION...3285
Specifications...3285
Troubleshooting...3296
ENGINE SPEED CONTROL...3299
Removal And Installation...3299
MUFFLER...3301
Removal And Installation...3301
AIR CLEANER...3303
Housing Removal And Installation...3303
OIL COOLER / RADIATOR...3305
Removal And Installation...3305
Disassembly And Assembly...3308
ENGINE AND ENGINE MOUNTS...3311
Removal And Installation...3311
ENGINE COMPONENTS AND TESTING...3315
Fuel Injection Pump Removal...3315
Fuel Injection Pump Installation...3318
Fuel Injector Removal And Installation...3321
Checking The Fuel Lift Pump...3323
Fuel Lift Pump Removal And Installation...3324
Compression Checking...3324
Glow Plugs Checking...3325
Glow Plugs Removal And Installation...3326
ENGINE TIMING...3327
Procedure...3327
ENGINE / HYDROSTAT ASSEMBLY...3329
Removal And Installation...3329
FLYWHEEL AND HOUSING...3343
Removal And Installation...3343
Ring Gear Removal...3346
Ring Gear Installation...3346
RECONDITIONING THE ENGINE...3347
Turbocharger Troubleshooting...3347
Turbocharger Description...3348
Turbocharger Removal And Installation...3348
Exhaust Manifold Removal And Installation...3350
Fuel Injector Cover Removal And Installation...3350
Rocker Cover Removal And Installation...3351
Cylinder Head Removal...3352
Cylinder Head Inspection...3354
Cylinder Head Installation...3355
Rocker Shaft Disassembly And Assembly...3358
Valve Removal...3358
Valve Springs Checking...3359
Valve Depth Checking...3359
Valve Guides Checking...3360
Valve Guide Removal...3361
Valve Guide Installation...3361
Valves Checking...3362
Cutting A Valve Seat...3362
Valve Seat Assembly...3363
Changing Valve Springs (With Cylinder Head Installed)...3364
Valve Clearance Adjustment...3365
Timing Case And Drive Assembly Description...3366
Timing Cover Removal...3366
Timing Cover Installation...3366
Crankshaft Pulley Removal And Installation...3366
Front Oil Seal Removal And Installation...3366
Timing Case And Gear Removal...3367
Timing Case And Gear Installation...3368
Camshaft And Tappets Removal...3370
Camshaft And Tappets Installation...3371
Pistons And Connecting Rods Description...3372
Pistons And Connecting Rods Removal...3372
Pistons And Connecting Rods Disassembly...3374
Piston Ring End Gap...3374
Piston Ring Installation...3374
Piston Ring Groove Clearance...3375
Connecting Rod Inspection...3376
Connecting Rod Bushing Replacement...3376
Piston And Connecting Rod Assembly...3376
Piston And Connecting Rod Installation...3376
Checking Piston Height...3378
Crankshaft And Bearings Description...3378
Crankshaft And Bearings Removal...3378
Inspection Of Crankshaft And Bearings...3380
Crankshaft And Bearings Installation...3381
Rear Oil Seal Removal...3382
Rear Oil Seal Housing Positioning...3382
Rear Oil Seal Installation...3383
Checking Crankshaft End Play...3384
Cooling System Description...3384
Cooling System Description (Cont’d)...3385
Thermostat Removal and Installation...3385
Thermostat Testing...3386
Lubricating Oil Cooler Removal And Installation...3386
Water Pump Removal...3386
Water Pump Installation...3386
Engine Lubrication System Description...3387
Oil Filter Adapter Removal And Installation...3388
Oil Pan Removal And Installation...3388
Oil Screen And Pick-up Tube...3389
Oil Pump Removal...3389
Oil Pump Removal (Cont'd)...3390
Oil Pump Installation...3390
Oil Pump Installation (Cont'd)...3391
Oil Pump Disassembly And Assembly...3391
Oil Pump Disassembly And Assembly (Cont'd)...3392
Oil Pressure Relief Valve Disassembly And Assembly...3392
Engine Block Description...3393
Engine Block Disassembly And Assembly...3393
Piston Cooling Jet Removal...3394
Piston Cooling Jet Installation...3394
Piston Cooling Jet Alignment...3394
Inspection...3394
Cylinder Liner Inspection...3395
Cylinder Liner Removal...3396
Cylinder Liner Installation...3397
HEATING, VENTILATION, AIR CONDITIONING...3399
AIR CONDITIONING SYSTEM FLOW...3401
Description...3401
Chart...3402
Components...3403
Safety Equipment...3406
REGULAR MAINTENANCE...3407
Filters...3407
Compressor And Alternator Drive Belt Inspection...3407
Cleaning The Condenser...3408
Air Conditioning Lubrication...3408
Air Conditioning Service Chart...3409
TROUBLESHOOTING...3411
Blower Motor Does Not Operate...3411
Blower Motor Operates Normally, But Air Flow Is Insufficient...3411
Insufficient Cooling Although Air Flow And Compressor Operation Are Normal...3411
The Compressor Does Not Operate At All, Or Operates Improperly...3411
Gauge Pressure Related Troubleshooting...3412
Troubleshooting Tree...3414
Temperature / Pressure Chart...3418
Poor A/C Performance...3419
HVAC Repair And Leaks...3420
Electrical System...3421
SYSTEM CHARGING AND RECLAMATION...3427
Reclamation Procedure...3427
Charging Procedure With A Manifold Gauge Set...3430
Charging Procedure...3431
COMPRESSOR...3433
Removal And Installation...3433
Oil...3434
Oil Check...3434
Clutch Disassembly And Assembly...3436
CONDENSER (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3441
Removal And Installation...3441
CONDENSER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...3443
Removal And Installation...3443
RECEIVER / DRIER...3445
Removal And Installation...3445
PRESSURE SWITCH...3447
Removal And Installation...3447
EVAPORATOR / BLOWER UNIT (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3449
Removal And Installation...3449
EVAPORATOR / BLOWER UNIT (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...3451
Removal And Installation...3451
EXPANSION VALVE (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3453
Removal And Installation...3453
EXPANSION VALVE (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...3455
Removal And Installation...3455
HEATER ASSEMBLY...3457
Removal And Installation...3457
Fan Removal And Installation...3458
Core Removal And Installation...3459
SPECIFICATIONS...3461
(T2556) TELESCOPIC HANDLER SPECIFICATIONS...3463
Dimensional Specifications...3463
Performance Specifications...3464
Weights...3464
Engine...3464
Controls...3465
Drive System...3465
Traction...3465
Steering...3465
Brakes...3465
Fluid Capacities...3466
Hydraulic System...3466
Electrical...3466
Instruments...3467
Environmental...3467
Temperature Range...3467
(T2566) TELESCOPIC HANDLER SPECIFICATIONS...3469
Dimensional Specifications...3469
Performance Specifications...3470
Weights...3470
Engine...3470
Controls...3471
Drive System...3471
Traction...3471
Steering...3471
Brakes...3471
Fluid Capacities...3472
Hydraulic System...3472
Electrical...3472
Instruments...3473
Environmental...3473
Temperature Range...3473
MACHINE TORQUE SPECIFICATIONS...3475
Axle...3475
Boom...3475
Drive Box...3475
Drive Motor...3475
Engine...3476
Hydraulic Pump...3476
TORQUE SPECIFICATIONS FOR BOLTS...3477
Torque for General SAE Bolts...3477
Torque For General Metric Bolts...3478
HYDRAULIC CONNECTION SPECIFICATIONS...3479
O-ring Face Seal Connection...3479
Straight Thread O-ring Fitting...3479
Tubelines And Hoses...3479
Port Seal Fitting...3480
HYDRAULIC / HYDROSTATIC FLUID SPECIFICATIONS...3481
Specifications...3481
CONVERSIONS...3483
Decimal And Millimeter Equivalents...3483
U.S. To Metric Conversion...3483
ALPHABETICAL INDEX...3485
SERVICE MANUAL REVISION...3489
Revision No: T2556, T2566 - 1...3489
Revision No: T2556, T2566 - 2...3491
Revision No: T2556, T2566 - 3...3493
6986764 (2-10) - T2556, T2566 Telescopic Handler Service Manual...3497
MAINTENANCE SAFETY...3499
CONTENTS...3501
FOREWORD...3503
FOREWORD...3505
SAFETY INSTRUCTIONS...3507
FIRE PREVENTION...3508
Maintenance...3508
Operation...3508
Electrical...3508
Hydraulic System...3509
Fueling...3509
Starting...3509
Spark Arrester Exhaust System...3509
Welding And Grinding...3509
Fire Extinguishers...3509
SERIAL NUMBER LOCATION...3510
Telescopic Handler Serial Number...3510
Engine Serial Number...3510
Other Serial Numbers...3510
DELIVERY REPORT...3511
IDENTIFICATION OF THE TELESCOPIC HANDLER...3512
SAFETY AND MAINTENANCE...3513
LIFTING AND BLOCKING THE TELESCOPIC HANDLER...3515
Procedure...3515
OPERATOR CAB...3517
Emergency Exit...3517
Cab Door...3518
Cab Door Window...3518
TRANSPORTING THE TELESCOPIC HANDLER...3519
Loading And Unloading...3519
Fastening...3519
TOWING THE TELESCOPIC HANDLER...3521
Procedure...3521
SERVICE SCHEDULE...3523
AIR CLEANER SERVICE...3525
Replacing Filter Element...3525
ENGINE COOLING SYSTEM...3527
Cleaning The Cooling System...3527
Checking The Coolant Level...3527
Replacing The Coolant...3528
FUEL SYSTEM...3529
Fuel Specifications...3529
Filling The Fuel Tank...3529
Fuel Filter...3529
ENGINE LUBRICATION SYSTEM...3531
Checking Engine Oil...3531
Oil Chart...3531
Replacing Oil And Filter...3532
HYDRAULIC / HYDROSTATIC SYSTEM...3533
Checking And Adding Fluid...3533
Replacing Hydraulic / Hydrostatic Filter...3533
Replacing Hydraulic Fluid...3534
AXLES (FRONT AND REAR)...3535
Checking Oil Level (Planetary Carrier)...3535
Draining Oil (Planetary Carrier)...3535
Checking Oil Level (Rear Differential)...3536
Draining Oil (Rear Differential)...3536
Checking Oil Level (Front Differential)...3537
Draining Oil (Front Differential)...3537
Checking Oil (Drive Box)...3538
Draining Oil (Drive Box)...3538
LUBRICATION...3539
Procedure...3539
ATTACHMENT FRAME...3543
Inspection And Maintenance...3543
TYRE MAINTENANCE...3545
Wheel Nuts...3545
Tyre Mounting...3545
Tyre Rotation...3545
SPARK ARRESTER MUFFLER...3547
Cleaning...3547
APPROVED BOOM STOP...3549
Installing The Approved Boom Stop...3549
Removing The Approved Boom Stop...3549
ENGINE COVER...3551
Opening And Closing The Engine Cover...3551
HYDRAULIC SYSTEM...3553
HYDRAULIC SYSTEM INFORMATION...3560
Troubleshooting Chart...3563
HYDRAULIC SCHEMATICS...3557
Tightening Procedures...3564
LIFT CYLINDER...3566
Removal And Installation...3566
Parts Identification...3571
Disassembly...3572
Assembly...3576
BUCKET POSITIONING CYLINDER...3580
Removal And Installation...3580
Parts Identification...3585
Disassembly...3586
Assembly...3590
EXTENSION CYLINDER...3594
Cylinder Group Removal And Installation...3594
Upper Tubeline Removal...3596
Upper Tubeline Installation...3598
Extension Cylinder Removal And Installation...3600
Tubeline Tray Disassembly...3602
Tubeline Tray Assembly...3603
Parts Identification...3606
Disassembly...3607
Assembly...3611
TILT CYLINDER...3614
Removal And Installation...3614
TILT CYLINDER...3615
Parts Identification...3616
Disassembly...3617
Assembly...3622
STEERING CYLINDER (FRONT)...3628
Removing The Steering Cylinder...3628
Installing The Steering Cylinder...3629
Disassembling The Steering Cylinder...3631
Assembling The Steering Cylinder...3632
STEERING CYLINDER (REAR)...3636
Removing The Steering Cylinder...3636
Installing The Steering Cylinder...3637
Disassembling The Steering Cylinder...3639
Assembling The Steering Cylinder...3641
DRIVE BOX...3644
Parts Identification...3644
Disassembly...3645
Assembly...3649
Special Tools...3652
MAIN RELIEF VALVE...3654
Testing And Adjustment...3654
Removal And Installation...3655
QUICK TACH CYLINDER...3656
Removal And Installation...3656
Parts Identification...3658
Disassembly...3659
Assembly...3662
PORT RELIEF VALVES...3664
Adjustment Procedure...3664
STEERING MODE VALVE BLOCK...3666
Removal And Installation...3666
Parts Identification...3668
Disassembly...3669
Solenoid Testing...3671
Assembly...3671
BRAKE VALVE...3674
Removal And Installation...3674
Disassembly And Assembly...3675
GEAR PUMP...3678
Removal And Installation...3678
Parts Identification...3680
Disassembly And Assembly...3681
FAN MOTOR...3688
Removal And Installation...3688
Parts Identification...3692
Disassembly And Assembly...3693
HYDRAULIC RESERVOIR...3696
Removal And Installation...3696
STEERING VALVE...3698
Removal And Installation...3698
Parts Identification...3699
Disassembly...3700
Inspection...3706
Assembly...3707
HYDRAULIC CONTROL VALVE...3714
Troubleshooting Chart (Controllers)...3714
Telescoping Valve Section Troubleshooting...3715
Auxiliary Valve Section Troubleshooting...3719
Troubleshooting Chart (Control Valve)...3723
Removal And Installation...3724
Parts Identification...3728
Disassembly And Assembly...3729
End Housing Disassembly And Assembly...3730
Lifting Valve Section Disassembly And Assembly...3731
Tilting Valve Section Disassembly And Assembly...3736
Telescoping Valve Section Disassembly And Assembly...3742
Auxiliary Valve Section Disassembly And Assembly...3754
Inlet-Outlet Valve Section Disassembly And Assembly...3765
JOYSTICK...3770
Removal And Installation...3770
PARKING BRAKE...3772
Parking Brake Valve Removal And Installation...3772
Parking Brake Valve Disassembly And Assembly...3773
PILOT PRESSURE LOCK OUT VALVE...3776
Testing...3776
Removal And Installation...3777
Disassembly And Assembly...3778
ACCUMULATOR...3780
Removal And Installation...3780
TOW VALVE...3782
Removal And Installation...3782
Disassembly And Assembly...3783
FRONT AUXILIARY HYDRAULIC PRESSURE RELEASE VALVE...3788
Removal And Installation...3788
Disassembly And Assembly...3789
FLOW CONTROL VALVE...3794
Removal And Installation...3794
HYDROSTATIC SYSTEM...3796
HYDROSTATIC SYSTEM INFORMATION...3798
Troubleshooting Chart...3798
Replenishing Valve Function...3799
OIL COOLER...3800
Description...3800
HYDROSTATIC DRIVE MOTOR...3802
Removal And Installation...3802
Parts Identification...3803
Disassembly...3806
Inspection...3817
Assembly...3819
HYDROSTATIC PUMP...3832
Removal And Installation...3832
Parts Identification...3833
Disassembly...3838
Inspection...3850
Assembly...3854
Charge pressure checking procedure...3869
Charge pressure adjusting procedure...3869
DRIVE SYSTEM...3870
TROUBLESHOOTING...3872
Chart...3872
AXLE AND DIFFERENTIAL (FRONT)...3874
General Information...3874
Planetary Carrier And Wheel Hub Parts Identification...3874
Planetary Carrier Disassembly And Assembly...3875
Wheel Hub Disassembly And Assembly...3877
Steering Knuckle Disassembly And Assembly...3879
Axle Housing / Drive Axle Disassembly...3881
Brake Group Parts Identification...3885
Brake Group Disassembly...3886
Differential Parts Identification...3889
Differential Disassembly And Assembly...3890
Pinion Group Parts Identification...3893
Pinion Group Disassembly...3894
Pinion Group Assembly...3895
Brake Group Assembly...3900
Axle Housing / Drive Axle Assemby...3903
Special Tools...3906
AXLE AND DIFFERENTIAL (REAR)...3908
General Information...3908
Planetary Carrier And Wheel Hub Parts Identification...3908
Planetary Carrier Disassembly...3909
Steering Knuckle Parts Identification...3913
Steering Knuckle Disassembly...3914
Differential Parts Identification...3918
Differential Disassembly...3919
Bevel Pinion Parts Identification...3924
Bevel Pinion Disassembly...3925
Bevel Pinion Assembly...3929
Differential Assembly...3938
Steering Knuckle Assembly...3942
Planetary Carrier Assembly...3948
Special Tools...3953
FRONT AXLE...3956
Removal...3956
Installation...3961
AXLE TOE-IN...3966
Adjustment...3966
PARKING BRAKE...3968
Releasing The Brake For Towing...3968
Re-Activating The Brake...3969
STEERING ANGLE ADJUSTMENT...3970
Adjustment...3970
DRIVESHAFT...3972
Removal And Installation...3972
SERVICE BRAKE...3974
Description...3974
Bleeding The Brake Circuit...3974
REAR AXLE...3976
Removal...3976
Installation...3979
MAIN FRAME...3984
OPERATOR CAB (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...3986
Removal And Installation...3986
OPERATOR CAB (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...3994
Removal And Installation...3994
OPERATOR SEAT...4002
Removal And Installation...4002
BOOM ASSEMBLY...4004
Removal And Installation...4004
INNER BOOM...4008
Removal...4008
Installation...4010
WEAR PADS (FRONT)...4012
Removal And Installation...4012
WEAR PADS (REAR)...4014
Removal...4014
Installation...4014
ENGINE COVER...4016
Gas Cylinder Removal And Installation...4016
Removal And Installation...4016
AIR INTAKE COWLING...4018
Removal And Installation...4018
FUEL TANK...4020
Removal And Installation...4020
QUICK TACH...4024
Removal And Installation...4024
REAR WEIGHTS...4026
Removal And Installation...4026
FENDER...4028
Removal And Installation...4028
JOYSTICK PANEL (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...4030
Removal And Installation...4030
JOYSTICK PANEL (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...4032
Removal And Installation...4032
DASH COVER / STEERING COLUMN COVER (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...4034
Removal And Installation...4034
DASH COVER / STEERING COLUMN COVER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...4038
Removal And Installation...4038
ELECTRICAL SYSTEM AND ANALYSIS...4042
ELECTRICAL SYSTEM INFORMATION (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...4063
Troubleshooting Chart...4063
Description...4064
Fuses, Diodes And Relays...4064
ELECTRICAL SCHEMATICS (S/N 13000 & ABOVE)...4044
ELECTRICAL SCHEMATICS (S/N 12001 - 12999)...4053
ELECTRICAL SYSTEM INFORMATION (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...4067
Troubleshooting Chart...4067
Description...4068
Fuses, Diodes And Relays...4068
BATTERY...4071
Removal And Installation...4071
Servicing...4072
Using A Booster Battery (Jump Starting)...4073
ALTERNATOR...4075
Removal And Installation...4075
Adjusting The Alternator Belt...4076
STARTER...4077
Removal And Installation...4077
Parts Identification...4078
Disassembly...4079
Inspection And Repair...4084
Assembly...4088
LIGHTS...4093
Rear Light Removal And Installation...4093
Front Light Removal And Installation...4094
TRAVEL / SIGNAL LEVER (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...4097
Removal And Installation...4097
TRAVEL / SIGNAL LEVER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...4099
Removal And Installation...4099
INSTRUMENT PANEL...4101
Removal And Installation...4101
SWITCH PANEL (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...4103
Removal And Installation...4103
Parts description...4104
SWITCH PANEL (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...4107
Removal And Installation...4107
Parts description...4108
BRAKE LIGHT SWITCH...4111
Removal And Installation...4111
Adjustment...4111
FRONT WIPER MOTOR...4113
Removal And Installation...4113
TOP WIPER MOTOR...4117
Removal And Installation...4117
REAR WIPER MOTOR...4119
Removal And Installation...4119
PEDAL ASSEMBLY...4121
Removal And Installation...4121
Disassembly And Assembly...4122
INCHING SWITCH...4127
Removal And Installation...4127
Adjustment...4127
SERVICE SOFTWARE...4129
Connecting The Laptop Computer...4129
Entering The Service Software...4130
Monitor Screen...4131
Warnings Screen...4133
Calibrate Inch Pedal...4134
Calibrate Creep Potentiometer...4135
Program / Update Susmic Controller...4137
ENGINE SERVICE...4139
TROUBLESHOOTING...4143
Chart...4143
ENGINE SPEED CONTROL...4145
Removal And Installation...4145
MUFFLER...4147
Removal And Installation...4147
AIR CLEANER...4149
Housing Removal And Installation...4149
OIL COOLER / RADIATOR...4151
Removal And Installation...4151
Disassembly And Assembly...4154
ENGINE AND ENGINE MOUNTS...4157
Removal And Installation...4157
ENGINE COMPONENTS AND TESTING...4161
Fuel Injection Pump Removal...4161
Fuel Injection Pump Installation...4164
Fuel Injectors Removal And Installation...4167
Checking The Fuel Lift Pump...4169
Fuel Lift Pump Removal And Installation...4170
Compression Checking...4170
Glow Plugs Checking...4171
Glow Plugs Removal And Installation...4172
ENGINE TIMING...4173
Procedure...4173
ENGINE / HYDROSTAT ASSEMBLY...4175
Removal And Installation...4175
FLYWHEEL AND HOUSING...4189
Removal And Installation...4189
Ring Gear Removal...4192
Ring Gear Installation...4192
RECONDITIONING THE ENGINE...4193
Turbo Charger Troubleshooting...4193
Turbo Charger Description...4194
Turbo Charger Removal And Installation...4194
Exhaust Manifold Removal And Installation...4196
Fuel Injector Cover Removal And Installation...4196
Rocker Cover Removal And Installation...4197
Cylinder Head Removal...4198
Cylinder Head Inspection...4200
Cylinder Head Installation...4201
Rocker Shaft Disassembly And Assembly...4204
Valve Removal...4204
Valve Springs Checking...4205
Valve Depth Checking...4205
Valve Guides Checking...4206
Valve Guide Removal...4207
Valve Guide Installation...4207
Valves Checking...4208
Cutting A Valve Seat...4208
Valve Seat Assembly...4209
Changing Valve Springs (With Cylinder Head Installed)...4210
Valve Clearance Adjustment...4211
Timing Case And Drive Assembly Description...4212
Timing Cover Removal...4212
Timing Cover Installation...4212
Crankshaft Pulley Removal And Installation...4212
Front Oil Seal Removal And Installation...4212
Timing Case And Gear Removal...4213
Timing Case And Gear Installation...4214
Camshaft And Tappets Removal...4216
Camshaft And Tappets Installation...4217
Pistons And Connecting Rods Description...4218
Pistons And Connecting Rods Removal...4218
Pistons And Connecting Rods Disassembly...4220
Piston Ring End Gap...4220
Piston Ring Installation...4220
Piston Ring Groove Clearance...4221
Connecting Rod Inspection...4222
Connecting Rod Bushing Replacement...4222
Piston And Connecting Rod Assembly...4222
Piston And Connecting Rod Installation...4222
Checking Piston Height...4224
Crankshaft And Bearings Description...4224
Crankshaft And Bearings Removal...4224
Inspection Of Crankshaft And Bearings...4226
Crankshaft And Bearings Installation...4227
Rear Oil Seal Removal...4228
Rear Oil Seal Housing Positioning...4228
Rear Oil Seal Installation...4229
Checking Crankshaft End Play...4229
Cooling System Description...4230
Thermostat Removal and Installation...4231
Thermostat Testing...4232
Lubricating Oil Cooler Removal And Installation...4232
Water Pump Removal...4232
Water Pump Installation...4232
Engine Lubrication System Description...4233
Oil Filter Adapter Removal And Installation...4234
Oil Pan Removal And Installation...4234
Oil Screen And Pick-up Tube...4235
Oil Pump Removal...4235
Oil Pump Installation...4236
Oil Pump Disassembly And Assembly...4237
Oil Pressure Relief Valve Disassembly And Assembly...4237
Engine Block Description...4238
Engine Block Disassembly And Assembly...4238
Piston Cooling Jet Removal...4239
Piston Cooling Jet Installation...4239
Piston Cooling Jet Alignment...4239
Inspection...4239
Cylinder Liner Inspection...4240
Cylinder Liner Removal...4241
Cylinder Liner Installation...4242
HEATING, VENTILATION, AIR CONDITIONING...4243
AIR CONDITIONING SYSTEM FLOW...4245
Principles...4245
Chart...4246
COMPONENTS...4247
Identification...4247
SAFETY...4251
Safety Equipment...4251
REGULAR MAINTENANCE...4253
Filter Element Removal And Installation...4253
Compressor Drive Belt Inspection...4253
Cleaning The Condenser...4254
BASIC TROUBLESHOOTING...4255
Poor A/C Performance...4255
Compressor Drive Belt Inspection...4256
Checking The Electrical System...4257
GENERAL AIR CONDITIONING SERVICE GUIDELINES...4265
Compressor Oil...4265
Compressor Oil Check...4265
Component Replacement And Refrigeration Leaks...4267
SYSTEM TROUBLESHOOTING CHART...4269
TEMPERATURE / PRESSURE...4273
Chart...4273
AIR CONDITIONING SERVICE...4275
Chart...4275
SYSTEM CHARGING AND RECLAMATION...4277
Reclamation Procedure...4277
Charging Procedure With A Manifold Gauge Set...4280
Charging Procedure...4281
COMPRESSOR...4283
Removal And Installation...4283
Compressor Clutch Disassembly And Assembly...4284
CONDENSER (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...4289
Removal And Installation...4289
CONDENSER (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...4291
Removal And Installation...4291
RECEIVER / DRIER...4293
Removal And Installation...4293
PRESSURE SWITCH...4295
Removal And Installation...4295
EVAPORATOR / BLOWER UNIT (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...4297
Removal And Installation...4297
EVAPORATOR / BLOWER / HEATER UNIT (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...4299
Removal And Installation...4299
EXPANSION VALVE (S/N A8FR12999 & BELOW, S/N A8G312999 & BELOW)...4301
Removal And Installation...4301
EXPANSION VALVE (S/N A8FR13000 & ABOVE, S/N A8G313000 & ABOVE)...4303
Removal And Installation...4303
HEATER ASSEMBLY...4305
Removal And Installation...4305
Fan Removal And Installation...4306
Core Removal And Installation...4307
SPECIFICATIONS...4309
TELESCOPIC HANDLER SPECIFICATIONS...4311
Dimensional Specifications...4311
Performance Specifications...4312
Engine...4312
Fan Pump...4312
Controls...4312
Drive System...4313
Tyres...4313
Capacities...4313
Hydraulic System...4314
Electrical System...4314
Instrument Panel...4314
ENGINE SPECIFICATIONS...4315
General...4315
Cylinder Head...4315
Valve Guides...4315
Exhaust Valves...4316
Intake Valves...4316
Valve Springs...4316
Rocker Shaft, Rockers And Bushings...4317
Pistons And Piston Rings...4317
Connecting Rods And Bearings...4318
Crankshaft...4318
Crankshaft Re-Grind Data...4319
Main Bearings...4320
Thrust Washers...4320
Camshaft And Thrust Washer...4320
Cylinder Block...4320
Cylinder Liners...4321
Fuel Injection Pump...4321
Fuel Injectors...4321
Fuel Lift Pump...4321
Timing Case And Timing Gears...4322
Oil Pump, Gear And Relief Valve...4323
Turbocharger...4323
Flywheel...4323
Water Pump And Thermostat...4324
Engine Torque Component...4325
MACHINE TORQUE SPECIFICATIONS...4327
Axle...4327
Boom...4327
Drive Box...4327
Drive Motor...4327
Engine...4328
Hydraulic Pump...4328
TORQUE SPECIFICATIONS FOR BOLTS...4329
Torque for General SAE Bolts...4329
Torque For General Metric Bolts...4330
HYDRAULIC CONNECTION SPECIFICATIONS...4331
O-ring Face Seal Connection...4331
Straight Thread O-ring Fitting...4331
Tubelines And Hoses...4331
Port Seal Fitting...4332
HYDRAULIC / HYDROSTATIC FLUID SPECIFICATIONS...4333
Specifications...4333
CONVERSIONS...4335
Decimal And Millimeter Equivalents...4335
U.S. To Metric Conversion...4335
ALPHABETICAL INDEX...4337
SERVICE MANUAL REVISION...4339
Revision No: T2556, T2566 - 1...4339
6987147 (2-10) - T2250 Telescopic Handler Service Manual...4341
MAINTENANCE SAFETY...4343
CONTENTS...4345
FOREWORD...4347
FOREWORD...4349
SAFETY INSTRUCTIONS...4351
FIRE PREVENTION...4352
Maintenance...4352
Operation...4352
Electrical...4352
Hydraulic System...4353
Fueling...4353
Starting...4353
Spark Arrestor Exhaust System...4353
Welding And Grinding...4353
Fire Extinguishers...4353
SERIAL NUMBER LOCATION...4354
Telescopic Handler Serial Number...4354
Engine Serial Number...4354
Other Serial Numbers...4354
DELIVERY REPORT...4354
BOBCAT telescopic handler IDENTIFICATION...4355
SAFETY AND MAINTENANCE...4357
LIFTING AND BLOCKING THE TELESCOPIC HANDLER...4359
Procedure...4359
OPERATOR CAB...4361
Emergency Exit...4361
Cab Door...4362
Cab Door Window...4362
TRANSPORTING THE TELESCOPIC HANDLER...4363
Loading And Unloading...4363
Fastening...4363
TOWING THE TELESCOPIC HANDLER...4365
Releasing The Brake Discs...4365
Towing...4366
Engaging The Brake Discs...4366
SERVICE SCHEDULE...4367
Chart...4367
AIR CLEANER SERVICE...4369
Replacing The Filter Element...4369
ENGINE COOLING SYSTEM...4371
Cleaning The Cooling System...4371
Checking The Coolant Level...4371
Replacing The Coolant...4372
FUEL SYSTEM...4373
Fuel Specifications...4373
Filling The Fuel Tank...4373
Fuel Filter...4374
ENGINE LUBRICATION SYSTEM...4375
Checking Engine Oil...4375
Oil Chart...4375
Replacing Oil And Filter...4375
HYDRAULIC / HYDROSTATIC SYSTEM...4377
Checking And Adding Fluid...4377
Replacing The Hydraulic / Hydrostatic Filters...4377
Replacing Hydraulic Fluid...4378
AXLES (FRONT AND REAR)...4379
Checking Oil Level (Planetary Carrier)...4379
Draining Oil (Planetary Carrier)...4379
Checking Oil Level (Rear Differential)...4380
Draining Oil (Rear Differential)...4380
Checking Oil Level (Front Differential)...4381
Draining Oil (Front Differential)...4381
LUBRICATION...4383
Procedure...4383
TIRE MAINTENANCE...4387
Wheel Nuts...4387
Tire Mounting...4387
Tire Rotation...4387
Tire Pressure...4387
APPROVED BOOM STOP...4389
Installing The Approved Boom Stop...4389
Removing The Approved Boom Stop...4389
ENGINE COVER...4391
Opening And Closing The Engine Cover...4391
REMOTE START...4393
Connecting to the Telescopic Handler...4393
Remote Start Procedure (For Tools MEL1563 and MEL1565)...4395
Remote Start Procedure (For Tool Kit P/N 6689779)...4396
ALTERNATOR BELT...4397
Belt Adjustment...4397
Belt Replacement...4397
HYDRAULIC SYSTEM...4399
HYDRAULIC SYSTEM INFORMATION...4407
Troubleshooting Chart...4410
Tightening Procedures...4411
LIFT CYLINDER...4413
Removal And Installation...4413
Parts Identification...4417
Disassembly...4418
Assembly...4422
BUCKET POSITIONING CYLINDER...4427
Removal And Installation...4427
Parts Identification...4431
Disassembly...4432
Assembly...4435
EXTENSION CYLINDER...4439
Cylinder Group Removal And Installation...4439
Upper Tubeline Removal...4441
Upper Tubeline Installation...4442
Extension Cylinder Removal And Installation...4443
Tubeline Tray Disassembly...4444
Tubeline Tray Assembly...4446
Parts Identification...4448
Disassembly...4449
Assembly...4453
TILT CYLINDER...4457
Removal And Installation...4457
Parts Identification...4459
Disassembly...4460
Assembly...4463
STEERING CYLINDER (FRONT)...4467
Removing the Steering Cylinder...4467
Installing the Steering Cylinder...4468
Parts Identification...4470
Disassembling the Steering Cylinder...4471
Assembling the Steering Cylinder...4472
STEERING CYLINDER (REAR)...4475
Removing The Steering Cylinder...4475
Parts Identification...4478
Disassembling the Steering Cylinder...4479
Assembling the Steering Cylinder...4480
DRIVE BOX...4483
Parts Identification...4483
Disassembly...4484
Assembly...4488
Special Tools...4491
MAIN RELIEF VALVE...4493
Testing And Adjustment...4493
Removal And Installation...4494
PORT RELIEF VALVES...4495
Parts Identification...4495
Adjustment Procedure...4496
STEERING MODE VALVE BLOCK...4497
Removal And Installation...4497
Parts Identification...4498
Disassembly...4499
Solenoid Testing...4501
Assembly...4501
BRAKE VALVE...4505
Removal And Installation...4505
Disassembly And Assembly...4506
GEAR PUMP...4509
Removal And Installation...4509
Parts Identification...4511
Disassembly And Assembly...4512
HYDRAULIC RESERVOIR...4515
Removal And Installation...4515
STEERING VALVE...4517
Removal And Installation...4517
Parts Identification...4518
Disassembly...4519
Inspection...4522
Assembly...4522
HYDRAULIC CONTROL VALVE...4527
Troubleshooting Chart (Controllers)...4527
Telescoping Valve Section Troubleshooting...4528
Auxiliary Valve Section Troubleshooting...4532
Troubleshooting Chart (Control Valve)...4536
Removal And Installation...4537
Parts Identification...4541
Disassembly And Assembly...4542
End Housing Disassembly And Assembly...4542
Telescoping and Auxiliary Valve Section Disassembly And Assembly...4543
Lifting and Tilting Valve Section Disassembly And Assembly...4545
Inlet-Outlet Valve Section Disassembly And Assembly...4546
JOYSTICK...4547
Removal And Installation...4547
PARKING BRAKE...4549
Parking Brake Valve Removal And Installation...4549
Parking Brake Valve Disassembly And Assembly...4550
WORKGROUP LOCKOUT VALVE...4553
Testing...4553
Removal And Installation...4554
Disassembly And Assembly...4555
TOW VALVE...4557
Removal And Installation...4557
Disassembly And Assembly...4558
FRONT AUXILIARY HYDRAULIC PRESSURE RELEASE VALVE...4563
Removal And Installation...4563
Disassembly And Assembly...4564
MANIFOLD...4569
Removal And Installation...4569
Disassembly...4571
HYDROSTATIC SYSTEM...4573
HYDROSTATIC SYSTEM INFORMATION...4575
Troubleshooting Chart...4575
Replenishing Valve Function...4576
OIL COOLER...4577
Removal And Installation...4577
HYDROSTATIC DRIVE MOTOR...4579
Removal And Installation...4579
Parts Identification...4580
Disassembly...4583
Inspection...4594
Assembly...4596
HYDROSTATIC PUMP (For S/N AC1911001 - 11999)...4609
Removal And Installation...4609
Parts Identification...4611
Disassembly...4616
Inspection...4628
Assembly...4632
HYDROSTATIC PUMP (FOR S/N AC1912000 & ABOVE)...4647
Removal And Installation...4647
Parts Identification...4649
Shaft Disassembly...4654
Relief Valves Disassembly And Assembly...4656
Charge Pump Disassembly...4657
Piston Pump Disassembly...4659
Solenoid Block Disassembly...4663
Inspection...4665
Piston Pump Assembly...4668
Charge Pump Assembly...4672
Solenoid Block Assembly...4674
Shaft Assembly...4676
DRIVE BELT...4679
Description...4679
Shield Removal And Installation...4679
Adjusting...4680
Belt Removal And Installation...4681
Tensioner Pulley Removal And Installation...4682
Tensioner Pulley Parts Identification...4684
Tensioner Pulley Disassembly And Assembly...4685
DRIVE SYSTEM...4689
TROUBLESHOOTING...4691
Chart...4691
AXLE AND DIFFERENTIAL (FRONT)...4693
Description...4693
Planetary Carrier And Wheel Hub Parts Identification...4693
Planetary Carrier Disassembly...4694
Wheel Hub Disassembly...4696
Steering Knuckle And Drive Shaft Parts Identification...4699
Steering Knuckle Disassembly...4700
Axle Housing / Drive Shaft Disassembly...4704
Brake Group Parts Identification...4707
Brake Group Disassembly...4708
Differential Parts Identification...4712
Differential Disassembly...4713
Pinion Group Parts Identification...4716
Pinion Group Disassembly...4717
Pinion Group Assembly...4719
Differential Assembly...4725
Brake Group Assembly...4728
Axle Housing / Drive Shaft Assembly...4732
Steering Knuckle Assembly...4735
Wheel Hub Assembly...4741
Planetary Carrier Assembly...4742
Special Tools...4745
AXLE AND DIFFERENTIAL (REAR)...4747
Description...4747
Planetary Carrier And Wheel Hub Parts Identification...4747
Planetary Carrier Disassembly...4748
Wheel Hub Disassembly...4750
Steering Knuckle and Drive Shaft Parts Identification...4753
Steering Knuckle Disassembly...4754
Axle Housing / Drive Shaft Disassembly...4758
Differential Parts Identification...4761
Pinion Group Parts Identification...4766
Pinion Group Disassembly...4767
Pinion Group Assembly...4771
Differential Assembly...4779
Steering Knuckle Assembly...4783
Planetary Carrier Assembly...4789
Special Tools...4794
FRONT AXLE...4795
Removal...4795
Installation...4799
AXLE TOE-IN...4803
Adjustment...4803
PARKING BRAKE...4805
Releasing The Brake Discs...4805
Engaging The Brake Discs...4806
STEERING ANGLE ADJUSTMENT...4807
Adjustment...4807
DRIVESHAFT...4809
Removal And Installation...4809
SERVICE BRAKE...4811
Description...4811
Bleeding The Brake Circuit...4811
REAR AXLE...4813
Removal...4813
Installation...4816
MAIN FRAME...4819
OPERATOR CAB (S/N AC1912999 & bELOW)...4823
Removal And Installation...4823
OPERATOR CAB (S/N AC1913000 & ABOVE)...4831
Removal And Installation...4831
OPERATOR SEAT...4839
Removal And Installation...4839
Assembly And Disassembly...4839
BOOM ASSEMBLY...4843
Removal And Installation...4843
INNER BOOM...4847
Removal...4847
Installation...4849
WEAR PADS (FRONT)...4851
Removal And Installation...4851
WEAR PADS (REAR)...4853
Removal...4853
Installation...4853
ENGINE COVER...4855
Locking Mechanism Removal And Installation...4855
Removal And Installation...4855
Lock...4856
FUEL TANK...4857
Removal And Installation...4857
BOB-TACH...4859
Removal And Installation...4859
REAR WEIGHTS...4861
Removal And Installation...4861
FENDER...4863
Removal And Installation...4863
JOYSTICK PANEL (S/N AC1912999 & bELOW)...4865
Joystick Panel Cover Removal and Installation...4865
JOYSTICK PANEL...4867
Joystick Panel Cover Removal and Installation...4867
DASH COVER/STEERING COLUMN COVER (S/N AC1912999 & bELOW)...4869
Steering Column Cover Removal And Installation...4869
Dash Cover Removal And Installation...4870
DASH COVER/STEERING COLUMN COVER (S/N AC1913000 & ABOVE)...4871
Removal And Installation...4871
ELECTRICAL SYSTEM AND ANALYSIS...4875
ELECTRICAL SYSTEM INFORMATION (S/N AC1912999 & bELOW)...4892
Troubleshooting Chart...4892
Description...4893
Fuses, Diodes And Relays...4893
ELECTRICAL SYSTEM INFORMATION (S/N AC1913000 & ABOVE)...4896
Troubleshooting Chart...4896
Description...4897
Fuses, Diodes And Relays...4897
BATTERY...4900
Removal And Installation...4900
Servicing...4901
Using A Booster Battery (Jump Starting)...4902
ALTERNATOR...4904
Removal And Installation...4904
Adjusting The Alternator Belt...4905
STARTER...4906
Testing...4906
Removal And Installation...4907
Parts Identification...4909
LIGHTS...4910
Rear Light Removal And Installation...4910
Rear Light Removal And Installation...4911
Front Light Removal And Installation...4912
TRAVEL LEVER (S/N AC1912999 & bELOW)...4914
Removal And Installation...4914
TRAVEL LEVER (S/N AC1913000 & above)...4916
Removal And Installation...4916
INSTRUMENT PANEL (S/N AC1912999 & BELOW)...4918
Removal And Installation...4918
INSTRUMENT PANEL (S/N AC1913000 & ABOVE)...4920
Removal And Installation...4920
SWITCH PANEL (S/N AC1913000 & ABOVE)...4922
Removal And Installation...4922
FRONT WIPER MOTOR...4924
Removal And Installation...4924
TOP WIPER MOTOR...4926
Removal And Installation...4926
REAR WIPER MOTOR...4930
Removal And Installation...4930
PEDAL ASSEMBLY...4934
Removal And Installation...4934
Disassembly And Assembly...4935
INCHING SWITCH...4940
Removal And Installation...4940
Adjustment...4940
Inching Control Calibration (Display Controller)...4941
SERVICE SOFTWARE...4944
Connecting Remote Start Tool to Laptop Computer...4944
Connecting Remote Start Tool (Service Tool)...4944
Connecting Remote Start Tool to Telescopic Handler...4945
Entering The Service Software...4946
Calibrate Inch Pedal...4947
MAIN CONTROLLER...4950
Removal And Installation...4950
Connector Identification...4951
DIAGNOSTIC SERVICE CODES...4952
Viewing Service Codes...4952
Service Codes List...4953
ENGINE SERVICE...4958
ENGINE INFORMATION...4962
Description...4962
Troubleshooting...4963
Compression - Checking...4965
ENGINE AND ENGINE MOUNTS...4966
Removal And Installation...4966
ENGINE AND HYDROSTAT ASSEMBLY...4970
Removal And Installation...4970
ENGINE SPEED CONTROL...4980
Removal And Installation...4980
MUFFLER...4982
Removal And Installation...4982
AIR CLEANER...4984
Removal And Installation...4984
Air Intake Cowling Removal And Installation...4984
ENGINE COOLING SYSTEM...4986
Radiator Removal And Installation...4986
Fan Removal And Installation...4988
Water Pump Removal And Installation...4988
Water Pump Disassembly And Assembly...4989
Thermostat Housing Removal And Installation...4989
LUBRICATION SYSTEM...4992
Oil Pan Removal And Installation...4992
Oil Pump Removal And Installation...4993
Oil Pump Inspection...4993
Oil Filter Cooler Removal And Installation...4995
Engine Oil Pressure - Testing...4996
FUEL SYSTEM...4998
Fuel Camshaft Removal And Installation...4998
Injection Pump Governor Housing Removal And Installation...5000
Injection Pump Governor Housing Disassembly And Assembly...5002
Fuel Shutoff Solenoid - Checking...5004
Fuel Shutoff Solenoid - Removal And Installation...5004
Fuel Injection Pump Removal And Installation...5005
Fuel Injection Pump Housing Removal...5013
Fuel Injection Pump Housing Installation...5017
Injection Pump Timing...5020
Fuel Injector Removal and Installation...5023
Fuel Injector Nozzle Pressure - Checking...5025
Nozzle Spraying Condition...5025
Valve Seat Tightness...5026
CYLINDER HEAD...5028
Intake Air Heater - Testing...5028
Intake Air Heater Removal And Installation...5028
Valve Clearance Adjustment...5029
Valve Timing - Checking...5030
Cylinder Head Removal And Installation...5031
Cylinder Head Disassembly And Assembly...5034
Cylinder Head - Servicing...5034
Cylinder Head Top Clearance...5035
Valve Guide - Checking...5036
Reconditioning The Valve And Valve Seat...5038
Valve Spring...5040
Valve Tappets...5041
Rocker Arm And Shaft - Checking...5042
CRANKSHAFT AND PISTONS...5044
Piston And Connecting Rod Removal And Installation...5044
Piston And Connecting Rod - Servicing...5046
Cylinder Bore Checking...5051
Connecting Rod Alignment...5052
Crankshaft Gear Removal And Installation...5052
Crankshaft And Bearings Removal and Installation...5053
Crankshaft And Bearings - Servicing...5057
CAMSHAFT AND TIMING GEARS...5064
Timing Gearcase Cover Removal And Installation...5064
Timing Gears Backlash - Checking...5065
Camshaft - Servicing...5066
Idle Gear And Shaft Removal And Installation...5068
Idler Gear And Shaft - Servicing...5069
Balancer Shaft Servicing...5072
TURBOCHARGER...5074
Description...5074
Testing...5074
Removal And Installation...5075
FLYWHEEL AND HOUSING...5076
Flywheel Removal And Installation...5076
Ring Gear Removal And Installation...5076
Housing Removal And Installation...5077
EXHAUST GAS RECIRCULATION (EGR) SYSTEM...5078
Checking The Function Of EGR System...5078
Disassembly And Assembly...5081
HEATING, VENTILATION, AIR CONDITIONING...5084
AIR CONDITIONING SYSTEM FLOW...5086
Description...5086
Chart...5087
COMPONENTS (S/N AC1912999 & bELOW)...5088
Identification...5088
COMPONENTS (S/N AC1913000 & ABOVE)...5090
Identification...5090
SAFETY...5092
Safety Equipment...5092
REGULAR MAINTENANCE...5094
Filter Element Removal And Installation...5094
Compressor And Alternator Drive Belt Inspection...5094
Cleaning The Condenser...5095
BASIC TROUBLESHOOTING...5096
Poor A/C Performance...5096
Compressor And Alternator Drive Belt Inspection...5097
Checking The Electrical System...5097
GENERAL AIR CONDITIONING SERVICE GUIDELINES...5104
Compressor Oil...5104
Compressor Oil Check...5104
Component Replacement And Refrigeration Leaks...5106
SYSTEM TROUBLESHOOTING CHART...5108
Chart...5108
Gauge Pressure Related Troubleshooting...5109
TEMPERATURE AND PRESSURE...5112
Chart...5112
AIR CONDITIONING SERVICE...5114
Chart...5114
SYSTEM CHARGING AND RECLAMATION...5116
Reclamation Procedure...5116
Charging Procedure With A Manifold Gauge Set...5120
COMPRESSOR...5124
Removal And Installation...5124
Compressor Clutch Disassembly And Assembly...5125
CONDENSER (S/N AC1912999 & bELOW)...5130
Removal And Installation...5130
CONDENSER (S/N AC1912999 & bELOW)...5132
Removal And Installation...5132
RECEIVER / DRIER...5134
Removal And Installation...5134
PRESSURE SWITCH...5136
Removal And Installation...5136
EVAPORATOR/BLOWER UNIT (S/N AC1912999 & bELOW)...5138
Removal And Installation...5138
EVAPORATOR/BLOWER UNIT (S/N AC1913000 & ABOVE)...5142
Removal And Installation...5142
EXPANSION VALVE (S/N AC1912999 & bELOW)...5144
Removal And Installation...5144
EXPANSION VALVE (S/N A8G813000 & ABOVE)...5146
Removal And Installation...5146
HEATER ASSEMBLY...5148
Removal And Installation...5148
Fan Removal And Installation...5149
Core Removal And Installation...5149
SPECIFICATIONS...5152
(T2250) TELESCOPIC HANDLER SPECIFICATIONS...5154
Dimensional Specifications...5154
Performance Specifications...5155
Weights...5155
Engine...5155
Controls...5156
Drive System...5156
Traction...5156
Steering...5156
Brakes...5156
Fluid Capacities...5157
Hydraulic System...5157
Electrical...5157
Instruments...5158
Environmental...5158
Temperature Range...5158
ENGINE SPECIFICATIONS...5160
General...5160
Fuel System...5160
Cylinder Head...5160
Valve Guides...5161
Valve Tappets...5161
Exhaust Valves...5161
Intake Valves...5162
Valve Springs...5162
Valve Timing...5162
Rocker Arm...5162
Camshaft...5164
Timing Gear...5164
Piston And Piston Ring...5166
Connecting Rod...5166
Cylinder Bore...5166
Crankshaft...5166
Oil Pump...5167
Cooling System...5167
Intake Air Heater...5167
Torque Values...5168
Engine Torque Component...5169
MACHINE TORQUE SPECIFICATIONS...5170
Specifications...5170
TORQUE SPECIFICATIONS FOR BOLTS...5172
Torque for General SAE Bolts...5172
Torque For General Metric Bolts...5173
HYDRAULIC CONNECTION SPECIFICATIONS...5174
O-ring Face Seal Connection...5174
Straight Thread O-ring Fitting...5174
Tubelines And Hoses...5174
Flare Fitting...5175
O-ring Flare Fitting...5176
Port Seal Fitting...5178
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...5180
Specifications...5180
CONVERSIONS...5184
Decimal And Millimeter Equivalents...5184
U.S. To Metric Conversion...5185
ALPHABETICAL INDEX...5186
6987147 (8-12) - T2250 Telescopic Handler Service Manual...5188
MAINTENANCE SAFETY...5190
CONTENTS...5192
FOREWORD...5194
FOREWORD...5196
SAFETY INSTRUCTIONS...5198
FIRE PREVENTION...5199
Maintenance...5199
Operation...5199
Electrical...5199
Hydraulic System...5200
Fueling...5200
Starting...5200
Spark Arrestor Exhaust System...5200
Welding And Grinding...5200
Fire Extinguishers...5200
SERIAL NUMBER LOCATION...5201
Telescopic Handler Serial Number...5201
Engine Serial Number...5201
Other Serial Numbers...5201
DELIVERY REPORT...5201
BOBCAT TELESCOPIC HANDLER IDENTIFICATION...5202
SAFETY AND MAINTENANCE...5204
LIFTING AND BLOCKING THE TELESCOPIC HANDLER...5206
Procedure...5206
OPERATOR CAB (ROPS / FOPS)...5208
Emergency Exit...5208
Cab Door...5209
Cab Door Window...5209
TRANSPORTING THE TELESCOPIC HANDLER ON A TRAILER...5210
Loading And Unloading...5210
Fastening...5210
TOWING THE TELESCOPIC HANDLER...5212
Releasing The Brake Discs...5212
Towing...5213
Engaging The Brake Discs...5213
SERVICE SCHEDULE...5214
Chart...5214
AIR CLEANER SERVICE...5216
Replacing The Filter Element...5216
ENGINE COOLING SYSTEM...5218
Cleaning...5218
Removing And Replacing The Coolant...5219
Checking Level...5220
FUEL SYSTEM...5222
Fuel Specifications...5222
Filling The Fuel Tank...5222
Fuel Filter...5223
ENGINE LUBRICATION SYSTEM...5224
Checking Engine Oil...5224
Oil Chart...5224
Replacing Oil And Filter...5224
HYDRAULIC / HYDROSTATIC SYSTEM...5226
Checking And Adding Fluid...5226
Replacing The Hydraulic / Hydrostatic Filters...5226
Replacing Hydraulic Fluid...5227
ATTACHMENT CARRIER...5228
Inspection And Maintenance...5228
BOB-TACH (HAND LEVER) (IF EQUIPPED)...5230
Inspection And Maintenance...5230
AXLES (FRONT AND REAR)...5232
Checking Oil Level (Planetary Carrier)...5232
Draining Oil (Planetary Carrier)...5232
Checking Oil Level (Rear Differential)...5233
Draining Oil (Rear Differential)...5233
Checking Oil Level (Front Differential)...5234
Draining Oil (Front Differential)...5234
LUBRICATING THE TELESCOPING HANDLER...5236
Procedure...5236
TIRE MAINTENANCE...5240
Wheel Nuts...5240
Tire Mounting...5240
Tire Rotation...5240
Tire Pressure...5240
APPROVED BOOM STOP (IF EQUIPPED)...5242
Installing The Approved Boom Stop...5242
Removing The Approved Boom Stop...5242
ENGINE COVER...5244
Opening And Closing The Engine Cover...5244
REMOTE START...5246
Connecting to the Telescopic Handler...5246
Remote Start Procedure (For Tools MEL1563 and MEL1565)...5248
Remote Start Procedure (For Tool Kit P/N 6689779)...5249
TELESCOPIC HANDLER STORAGE AND RETURN TO SERVICE...5250
Storage...5250
Return to Service...5250
STOPPING THE ENGINE AND LEAVING THE TELESCOPIC HANDLER...5252
Procedure...5252
EMERGENCY EXIT...5254
Rear Window...5254
HYDRAULIC SYSTEM...5256
HYDRAULIC / HYDROSTATIC SCHEMATIC...5260
HYDRAULIC SYSTEM INFORMATION...5266
Troubleshooting Chart...5269
Tightening Procedures...5270
LIFT CYLINDER...5272
Removal And Installation...5272
Parts Identification...5276
Disassembly...5277
Assembly...5281
BUCKET POSITIONING CYLINDER...5286
Removal And Installation...5286
Parts Identification...5290
Disassembly...5291
Assembly...5294
EXTENSION CYLINDER...5298
Cylinder Group Removal And Installation...5298
Upper Tubeline Removal...5300
Upper Tubeline Installation...5301
Extension Cylinder Removal And Installation...5302
Tubeline Tray Disassembly...5303
Tubeline Tray Assembly...5305
Parts Identification...5307
Disassembly...5308
Assembly...5312
TILT CYLINDER...5316
Removal And Installation...5316
Parts Identification...5318
Disassembly...5319
Assembly...5322
STEERING CYLINDER (FRONT)...5326
Removing the Steering Cylinder...5326
Installing the Steering Cylinder...5327
Parts Identification...5329
Disassembling the Steering Cylinder...5330
Assembling the Steering Cylinder...5331
STEERING CYLINDER (REAR)...5334
Removing The Steering Cylinder...5334
Parts Identification...5337
Disassembling the Steering Cylinder...5338
Assembling the Steering Cylinder...5339
DRIVE BOX...5342
Parts Identification...5342
Disassembly...5343
Assembly...5347
Special Tools...5350
MAIN RELIEF VALVE...5352
Testing And Adjustment...5352
Removal And Installation...5353
PORT RELIEF VALVES...5354
Parts Identification...5354
Adjustment Procedure...5355
STEERING MODE VALVE BLOCK...5356
Removal And Installation...5356
Parts Identification...5357
Disassembly...5358
Solenoid Testing...5360
Assembly...5360
BRAKE VALVE...5364
Removal And Installation...5364
Disassembly And Assembly...5365
GEAR PUMP...5368
Removal And Installation...5368
Parts Identification...5370
Disassembly And Assembly...5371
HYDRAULIC FLUID RESERVOIR...5374
Removal And Installation...5374
STEERING VALVE...5376
Removal And Installation...5376
Parts Identification...5377
Disassembly...5378
Inspection...5381
Assembly...5381
HYDRAULIC CONTROL VALVE (FOR S/N AC1911001 - 11251)...5386
Troubleshooting Chart (Controllers)...5386
Telescoping Valve Section Troubleshooting...5387
Auxiliary Valve Section Troubleshooting...5391
Troubleshooting Chart (Control Valve)...5395
Removal And Installation...5396
Parts Identification...5400
Disassembly And Assembly...5401
End Housing Disassembly And Assembly...5401
Telescoping and Auxiliary Valve Section Disassembly And Assembly...5402
Lifting and Tilting Valve Section Disassembly And Assembly...5404
Inlet-Outlet Valve Section Disassembly And Assembly...5405
HYDRAULIC CONTROL VALVE (FOR S/N AC1911252 & ABOVE)...5406
Troubleshooting Chart (Controllers)...5406
Telescoping Valve Section Troubleshooting...5407
Auxiliary Valve Section Troubleshooting...5411
Troubleshooting Chart (Control Valve)...5415
Removal And Installation...5416
Parts Identification...5422
Disassembly And Assembly...5423
End Housing Disassembly And Assembly...5423
Telescoping and Auxiliary Valve Section Disassembly And Assembly...5424
Lifting and Tilting Valve Section Disassembly And Assembly...5426
Inlet-Outlet Valve Section Disassembly And Assembly...5427
JOYSTICK...5428
Removal And Installation...5428
PARKING BRAKE...5430
Parking Brake Valve Removal And Installation...5430
Parking Brake Valve Disassembly And Assembly...5431
WORKGROUP LOCKOUT VALVE...5434
Testing...5434
Removal And Installation...5435
Disassembly And Assembly...5436
TOW VALVE...5438
Removal And Installation...5438
Disassembly And Assembly...5439
FRONT AUXILIARY HYDRAULIC PRESSURE RELEASE VALVE...5444
Removal And Installation...5444
Disassembly And Assembly...5445
MANIFOLD (FOR S/N AC1911001 - 11251)...5450
Removal And Installation...5450
Disassembly...5452
MANIFOLD (FOR S/N AC1911252 & ABOVE)...5454
Removal And Installation...5454
Disassembly...5455
HYDROSTATIC SYSTEM...5460
HYDROSTATIC SYSTEM INFORMATION...5462
Troubleshooting Chart...5462
Replenishing Valve Function...5463
OIL COOLER...5464
Removal And Installation...5464
HYDROSTATIC DRIVE MOTOR...5466
Removal And Installation...5466
Parts Identification...5467
Disassembly...5470
Inspection...5481
Assembly...5483
HYDROSTATIC PUMP (FOR S/N AC1911001 - 11999)...5496
Removal And Installation...5496
Parts Identification...5498
Disassembly...5503
Inspection...5515
Assembly...5519
HYDROSTATIC PUMP (FOR S/N AC1912000 & ABOVE)...5534
Removal And Installation...5534
Parts Identification...5536
Shaft Disassembly...5541
Relief Valves Disassembly And Assembly...5543
Charge Pump Disassembly...5544
Piston Pump Disassembly...5546
Solenoid Block Disassembly...5550
Inspection...5552
Piston Pump Assembly...5555
Charge Pump Assembly...5559
Solenoid Block Assembly...5561
Shaft Assembly...5563
DRIVE BELT...5566
Description...5566
Shield Removal And Installation...5566
Belt Adjustment...5567
Belt Removal And Installation...5568
Tensioner Pulley Removal And Installation...5569
Tensioner Pulley Parts Identification...5571
Tensioner Pulley Disassembly And Assembly...5572
DRIVE SYSTEM...5576
TROUBLESHOOTING...5578
Chart...5578
AXLE AND DIFFERENTIAL (FRONT)...5580
Description...5580
Planetary Carrier And Wheel Hub Parts Identification...5580
Planetary Carrier Disassembly...5581
Wheel Hub Disassembly...5583
Steering Knuckle And Drive Shaft Parts Identification...5586
Steering Knuckle Disassembly...5587
Axle Housing / Drive Shaft Disassembly...5591
Brake Group Parts Identification...5594
Brake Group Disassembly...5595
Differential Parts Identification...5599
Differential Disassembly...5600
Pinion Group Parts Identification...5603
Pinion Group Disassembly...5604
Pinion Group Assembly...5606
Differential Assembly...5612
Brake Group Assembly...5615
Axle Housing / Drive Shaft Assembly...5619
Steering Knuckle Assembly...5622
Wheel Hub Assembly...5628
Planetary Carrier Assembly...5629
Special Tools...5632
AXLE AND DIFFERENTIAL (REAR)...5634
Description...5634
Planetary Carrier And Wheel Hub Parts Identification...5634
Planetary Carrier Disassembly...5635
Wheel Hub Disassembly...5637
Steering Knuckle and Drive Shaft Parts Identification...5640
Steering Knuckle Disassembly...5641
Axle Housing / Drive Shaft Disassembly...5645
Differential Parts Identification...5648
Pinion Group Parts Identification...5653
Pinion Group Disassembly...5654
Pinion Group Assembly...5658
Differential Assembly...5666
Steering Knuckle Assembly...5670
Planetary Carrier Assembly...5676
Special Tools...5681
FRONT AXLE...5682
Removal...5682
Installation...5686
AXLE TOE-IN...5690
Adjustment...5690
PARKING BRAKE...5692
Releasing The Brake Discs...5692
Engaging The Brake Discs...5693
STEERING ANGLE ADJUSTMENT...5694
Adjustment...5694
DRIVE SHAFT...5696
Removal And Installation...5696
SERVICE BRAKE...5698
Description...5698
Bleeding The Brake Circuit...5698
REAR AXLE...5700
Removal...5700
Installation...5703
MAIN FRAME...5706
OPERATOR CAB (S/N AC1912999 & BELOW)...5708
Removal And Installation...5708
OPERATOR CAB (S/N AC1913000 & ABOVE)...5716
Removal And Installation...5716
OPERATOR SEAT...5722
Removal And Installation...5722
Assembly And Disassembly...5722
BOOM ASSEMBLY...5726
Removal And Installation...5726
INNER BOOM...5730
Removal...5730
Installation...5732
WEAR PADS (FRONT)...5734
Removal And Installation...5734
WEAR PADS (REAR)...5736
Removal...5736
Installation...5736
ENGINE COVER...5738
Locking Mechanism Removal And Installation...5738
Removal And Installation...5738
Lock...5739
FUEL TANK...5740
Removal And Installation...5740
BOB-TACH...5742
Removal And Installation...5742
COUNTERWEIGHT...5744
Removal And Installation...5744
FENDER...5746
Removal And Installation...5746
JOYSTICK PANEL (S/N AC1912999 & bELOW)...5748
Joystick Panel Cover Removal and Installation...5748
JOYSTICK PANEL (S/N AC1913000 & ABOVE)...5750
Joystick Panel Cover Removal and Installation...5750
DASH COVER/STEERING COLUMN COVER (S/N AC1912999 & BELOW)...5752
Steering Column Cover Removal And Installation...5752
Dash Cover Removal And Installation...5753
DASH COVER/STEERING COLUMN COVER (S/N AC1913000 & ABOVE)...5754
Removal And Installation...5754
ELECTRICAL SYSTEM AND ANALYSIS...5758
ELECTRICAL SCHEMATIC...5760
ELECTRICAL SYSTEM INFORMATION (S/N AC1912999 & BELOW)...5812
Troubleshooting Chart...5812
Description...5813
Fuses, Diodes And Relays...5813
ELECTRICAL SYSTEM INFORMATION (S/N AC1913000 & ABOVE)...5816
Troubleshooting Chart...5816
Description...5817
Fuses, Diodes And Relays...5817
BATTERY...5820
Removal And Installation...5820
Servicing...5821
Using A Booster Battery (Jump Starting)...5822
ALTERNATOR...5824
Removal And Installation...5824
Belt Adjustment...5825
Belt Replacement...5825
STARTER...5826
Testing...5826
Removal And Installation...5827
LIGHTS...5830
Rear Light Removal And Installation...5830
Front Light Removal And Installation...5832
TRAVEL LEVER (S/N AC1912999 & BELOW)...5834
Removal And Installation...5834
TRAVEL LEVER (S/N AC1913000 & ABOVE)...5836
Removal And Installation...5836
INSTRUMENT PANEL (S/N AC1912999 & BELOW)...5838
Removal And Installation...5838
INSTRUMENT PANEL (S/N AC1913000 & ABOVE)...5840
Removal And Installation...5840
SWITCH PANEL (S/N AC1913000 & ABOVE)...5842
Removal And Installation...5842
FRONT WIPER MOTOR...5844
Removal And Installation...5844
TOP WIPER MOTOR...5846
Removal And Installation...5846
REAR WIPER MOTOR...5850
Removal And Installation...5850
PEDAL ASSEMBLY...5854
Removal And Installation...5854
Disassembly And Assembly...5855
INCHING SWITCH...5860
Removal And Installation...5860
Adjustment...5860
Inching Control Calibration (Display Controller)...5861
SERVICE SOFTWARE...5864
Connecting Remote Start Tool to Laptop Computer...5864
Connecting Remote Start Tool (Service Tool)...5864
Connecting Remote Start Tool to Telescopic Handler...5865
Entering The Service Software...5866
Calibrate Inch Pedal...5867
MAIN CONTROLLER...5870
Removal And Installation...5870
Connector Identification...5871
DIAGNOSTIC SERVICE CODES...5872
Viewing Service Codes...5872
Service Codes List...5873
LONGITUDINAL STABILITY INDICATOR CALIBRATION (S/N AC1911001-14999)...5878
Fitting The Sensor...5878
Calibration Procedure...5878
LLMI / LLMC SYSTEM (S/N AC1915000 & ABOVE)...5880
System Calibration...5880
Calibration Test...5882
System Failure Reports...5883
System Components Identification...5887
LLMS Removal...5889
LLMS Installation...5891
LLMC Controller Removal...5894
LLMC Controller Installation...5897
ENGINE SERVICE...5900
ENGINE INFORMATION...5902
Description...5902
Specifications...5903
Troubleshooting...5911
Compression - Checking...5913
ENGINE AND ENGINE MOUNTS...5914
Removal And Installation...5914
ENGINE AND HYDROSTAT ASSEMBLY...5918
Removal And Installation...5918
ENGINE SPEED CONTROL...5928
Removal And Installation...5928
MUFFLER...5930
Removal And Installation...5930
AIR CLEANER...5932
Removal And Installation...5932
Air Intake Cowling Removal And Installation...5932
ENGINE COOLING SYSTEM...5934
Radiator Removal And Installation...5934
Fan Removal And Installation...5936
Water Pump Removal And Installation...5936
Water Pump Disassembly And Assembly...5937
Thermostat Housing Removal And Installation...5937
LUBRICATION SYSTEM...5940
Oil Pan Removal And Installation...5940
Oil Pump Removal And Installation...5941
Oil Pump Inspection...5941
Oil Filter Cooler Removal And Installation...5943
Engine Oil Pressure - Testing...5944
FUEL SYSTEM...5946
Fuel Camshaft Removal And Installation...5946
Injection Pump Governor Housing Removal And Installation...5948
Injection Pump Governor Housing Disassembly And Assembly...5950
Fuel Shutoff Solenoid - Checking...5952
Fuel Shutoff Solenoid - Removal And Installation...5952
Fuel Injection Pump Removal And Installation...5953
Fuel Injection Pump Housing Removal...5961
Fuel Injection Pump Housing Installation...5965
Injection Pump Timing...5968
Fuel Injector Removal and Installation...5971
Fuel Injector Nozzle Pressure - Checking...5973
Nozzle Spraying Condition...5973
Valve Seat Tightness...5974
CYLINDER HEAD...5976
Intake Air Heater - Testing...5976
Intake Air Heater Removal And Installation...5976
Valve Clearance Adjustment...5977
Valve Timing - Checking...5978
Cylinder Head Removal And Installation...5979
Cylinder Head Disassembly And Assembly...5982
Cylinder Head - Servicing...5982
Cylinder Head Top Clearance...5983
Valve Guide - Checking...5984
Reconditioning The Valve And Valve Seat...5986
Valve Spring...5988
Valve Tappets...5989
Rocker Arm And Shaft - Checking...5990
CRANKSHAFT AND PISTONS...5992
Piston And Connecting Rod Removal And Installation...5992
Piston And Connecting Rod - Servicing...5994
Cylinder Bore Checking...5999
Connecting Rod Alignment...6000
Crankshaft Gear Removal And Installation...6000
Crankshaft And Bearings Removal and Installation...6001
Crankshaft And Bearings - Servicing...6005
CAMSHAFT AND TIMING GEARS...6012
Timing Gearcase Cover Removal And Installation...6012
Timing Gears Backlash - Checking...6013
Camshaft - Servicing...6014
Idle Gear And Shaft Removal And Installation...6016
Idler Gear And Shaft - Servicing...6017
Balancer Shaft Servicing...6020
TURBOCHARGER...6022
Description...6022
Testing...6022
Removal And Installation...6023
FLYWHEEL AND HOUSING...6024
Flywheel Removal And Installation...6024
Ring Gear Removal And Installation...6024
Housing Removal And Installation...6025
EXHAUST GAS RECIRCULATION (EGR) SYSTEM...6026
Checking The Function Of EGR System...6026
Disassembly And Assembly...6029
HEATING, VENTILATION, AIR CONDITIONING...6032
AIR CONDITIONING SYSTEM FLOW...6034
Description...6034
Chart...6035
Components...6036
Safety Equipment...6040
REGULAR MAINTENANCE...6042
Filters...6042
Compressor And Alternator Drive Belt Inspection...6043
Cleaning The Condenser...6044
Air Conditioning Lubrication...6044
Air Conditioning Service Chart...6045
TROUBLESHOOTING...6046
Gauge Pressure Related Troubleshooting...6047
Troubleshooting Tree...6049
Temperature / Pressure Chart...6053
Poor A/C Performance...6054
HVAC Repair And Leaks...6055
Checking The Electrical System...6056
SYSTEM CHARGING AND RECLAMATION...6062
Reclamation Procedure...6062
Charging Procedure With A Manifold Gauge Set...6066
COMPRESSOR...6070
Removal And Installation...6070
Compressor Oil...6072
Compressor Oil Check...6072
Compressor Clutch Disassembly And Assembly...6074
CONDENSER (S/N AC1912999 & BELOW)...6078
Removal And Installation...6078
CONDENSER (S/N AC1913000 & ABOVE)...6080
Removal And Installation...6080
RECEIVER / DRIER...6082
Removal And Installation...6082
PRESSURE SWITCH...6084
Removal And Installation...6084
EVAPORATOR/BLOWER UNIT (S/N AC1912999 & BELOW)...6086
Removal And Installation...6086
EVAPORATOR/BLOWER UNIT (S/N AC1913000 & ABOVE)...6090
Removal And Installation...6090
EXPANSION VALVE (S/N AC1912999 & BELOW)...6092
Removal And Installation...6092
EXPANSION VALVE (S/N AC1913000 & ABOVE)...6094
Removal And Installation...6094
HEATER ASSEMBLY...6096
Removal And Installation...6096
Fan Removal And Installation...6097
Core Removal And Installation...6098
SPECIFICATIONS...6100
(T2250) TELESCOPIC HANDLER SPECIFICATIONS...6102
Machine Dimensions...6102
Performance...6103
Weights...6103
Engine...6103
Controls...6104
Drive System...6104
Traction...6104
Steering...6104
Brakes...6104
Fluid Capacities...6105
Hydraulic System...6105
Electrical System...6105
Instrument Panel...6106
Environmental...6106
Temperature Range...6106
MACHINE TORQUE SPECIFICATIONS...6108
Specifications...6108
TORQUE SPECIFICATIONS FOR BOLTS...6110
Torque for General SAE Bolts...6110
Torque For General Metric Bolts...6111
HYDRAULIC CONNECTION SPECIFICATIONS...6112
O-ring Face Seal Connection...6112
Straight Thread O-ring Fitting...6112
Tubelines And Hoses...6112
Flare Fitting...6113
O-ring Flare Fitting...6114
Port Seal Fitting...6116
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...6118
Specifications...6118
CONVERSIONS...6120
Decimal And Millimeter Equivalents...6120
U.S. To Metric Conversion...6121
ALPHABETICAL INDEX...6122
6989550 (2-10) - T2250 Telescopic Handler Operation & Maintenance Manual...6126
CONTENTS...6130
FOREWORD...6132
DECLARATION OF CONFORMITY...6134
BOBCAT COMPANY IS IS0 9001 CERTIFIED...6135
REGULAR MAINTENANCE ITEMS...6135
Parts...6135
Lubricants, Fuel and Fluids...6136
SERIAL NUMBER LOCATION...6137
Telescopic Handler Serial Number...6137
Engine Serial Number...6137
Other Serial Numbers...6137
DELIVERY REPORT...6137
BOBCAT telescopic handler IDENTIFICATION...6138
FEATURES, ACCESSORIES AND ATTACHMENTS...6139
Standard Items...6139
Options And Accessories...6139
Attachments...6139
Windscreen Grill...6140
Windscreen Grill Inspection And Maintenance...6140
SAFETY & TRAINING RESOURCES...6142
SAFETY INSTRUCTIONS...6144
Before Operation...6144
Safe Operation Is The Operator’s Responsibility...6145
Safe Operation Needs A Qualified Operator...6145
Avoid Silica Dust...6146
FIRE PREVENTION...6146
Maintenance...6146
Operation...6146
Electrical...6146
Hydraulic System...6147
Fueling...6147
Starting...6147
Spark Arrester Exhaust System...6147
Welding And Grinding...6147
Fire Extinguishers...6147
PUBLICATIONS AND TRAINING RESOURCES...6148
MACHINE SIGNS (DECALS)...6149
No-Text Safety Signs...6152
LOAD CHARTS...6156
CHARTS FOR T2250 MACHINE...6158
OPERATING INSTRUCTIONS...6160
OPERATOR CONTROLS IDENTIFICATION...6162
Operator Components...6162
Travel Direction And Two Speed Control...6162
Steering Wheel...6162
Centre Instrument Panel...6163
Indicator Lights...6164
Longitudinal Stability Indicator / AMA System...6164
Right Instrument And Indicator Panel...6165
Heater / Air Conditioning Controls (If Equipped)...6166
Accelerator Pedal...6166
Brake Pedal And Inching Control...6166
OPERATOR CAB (ROPS / FOPS)...6167
Description...6167
Cab Door...6167
Cab Door Window...6168
STEERING MODE SELECTION...6169
Steering Controls...6169
PARKING BRAKE...6170
Operation...6170
EMERGENCY EXIT...6170
Rear Window...6170
BACK-UP ALARM SYSTEM (IF EQUIPPED)...6171
Description...6171
Operation...6171
DRIVING AND STEERING THE TELESCOPIC HANDLER...6172
4-Wheel Steering Mode...6172
Stopping The Telescopic Handler (4-Wheel Steering Mode)...6173
2-Wheel Steering Mode...6174
Stopping The Telescopic Handler (2-Wheel Steering Mode)...6175
Crab Steering Mode...6176
Stopping The Telescopic Handler (Crab Steering Mode)...6177
CREEP MODE OPERATION - SMS (SPEED MANAGEMENT SYSTEM)...6178
Operation...6178
Work Mode Operation...6178
HYDRAULIC CONTROLS...6179
Hydraulic Control Lever (Joystick)...6179
Auxiliary Hydraulic Pressure Release...6180
Second Auxiliary Hydraulic Couplers (If Equipped)...6180
ATTACHMENT CONTROL DEVICE (ACD)...6181
Description...6181
DAILY INSPECTION...6182
Daily Inspection And Maintenance...6182
PRE-STARTING PROCEDURE...6184
Entering The Telescopic Handler...6184
Operation & Maintenance Manual Location...6184
Seat Adjustment...6185
Seat Belt Adjustment...6185
Panel Switch Position...6185
STARTING THE ENGINE...6186
Cold Temperature Starting...6186
Warming The Hydraulic / Hydrostatic System...6186
MONITORING THE DISPLAY PANELS...6187
Panel...6187
STOPPING THE ENGINE AND LEAVING THE TELESCOPIC HANDLER...6187
Procedure...6187
ATTACHMENTS...6188
Choosing The Correct Bucket...6188
Installing And Removing The Attachment (Manual Quick-Tach) (Standard)...6188
Installing And Removing The Attachment (Bob-Tach)...6190
Quick Couplers...6193
OPERATING PROCEDURE...6194
Aggravating Movements Arrester System (AMA)...6194
Deactivation Switch Key for the Aggravating Movements Arrester (AMA) System...6194
Inspecting The Work Area...6195
Basic Operating Instructions...6195
Operating With A Full Bucket...6196
Operating With An Empty Bucket...6196
Filling And Emptying The Bucket...6197
Digging And Filling A Hole...6198
Raising A Load And Extending The Boom...6199
Load Capacity Charts...6199
Levelling The Ground Using Float (If Equipped)...6200
TOWING THE TELESCOPIC HANDLER...6201
Procedure...6201
LIFTING THE TELESCOPIC HANDLER...6203
Procedure...6203
TRANSPORTING THE TELESCOPIC HANDLER ON A TRAILER...6204
Loading And Unloading...6204
Fastening...6204
PREVENTIVE MAINTENANCE...6206
SERVICE SCHEDULE...6210
Chart...6210
SEAT BELT...6211
Inspection And Maintenance...6211
APPROVED BOOM STOP (IF EQUIPPED)...6212
Installing The Approved Boom Stop...6212
Removing The Approved Boom Stop...6212
BACK-UP ALARM SYSTEM (IF EQUIPPED)...6213
Description...6213
Inspecting...6213
ENGINE COVER...6214
HEATING, VENTILATION AND AIR CONDITIONING System (HVAC)...6215
Cleaning And Maintenance...6215
Filters...6215
Condenser...6215
Air Conditioning Lubrication...6215
Troubleshooting...6215
AIR CLEANER SERVICE...6216
Replacing Filters...6216
FUEL SYSTEM...6217
Fuel Specifications...6217
Biodiesel Blend Fuel...6217
Filling The Fuel Tank...6218
Fuel Filter...6218
Removing Air From The Fuel System...6219
ENGINE LUBRICATION SYSTEM...6220
Checking And Adding Engine Oil...6220
Engine Oil Chart...6220
Removing And Replacing Oil And Filter...6221
ENGINE COOLING SYSTEM...6222
Cleaning...6222
Removing And Replacing The Coolant...6223
Checking Level...6224
ELECTRICAL SYSTEM...6225
Description...6225
Fuse, Diode And Relay Location / Identification...6225
Battery Maintenance...6227
Using A Booster Battery (Jump Starting)...6227
Removing And Installing Battery...6229
Battery Disconnect Switch...6230
HYDRAULIC/HYDROSTATIC SYSTEM...6231
Checking And Adding Fluid...6231
Hydraulic / Hydrostatic Fluid Chart...6231
Removing And Replacing Hydraulic Fluid...6232
Removing And Replacing Hydraulic Filter...6233
TYRE MAINTENANCE...6234
Wheel Nuts...6234
Rotating...6234
Mounting...6234
Tyre Pressure...6234
Checking And Adding Oil (Planetary Carrier)...6235
Removing And Replacing Oil (Planetary Carrier)...6235
Checking And Adding Oil (Rear Differential)...6236
Removing And Replacing Oil (Rear Differential)...6236
Checking And Adding Oil (Front Differential)...6237
Removing And Replacing Oil (Front Differential)...6237
ALTERNATOR BELT...6238
Belt Adjustment...6238
Belt Replacement...6238
DRIVE BELT...6239
Belt Adjustment...6239
Belt Replacement...6240
LUBRICATING THE TELESCOPIC HANDLER...6241
Lubrication Locations...6241
PIVOT PIN...6244
Inspection And Maintenance...6244
QUICK-TACH...6245
Inspection And Maintenance...6245
BOB-TACH (HAND LEVER) (IF EQUIPPED)...6246
Inspection And Maintenance...6246
TELESCOPIC HANDLER STORAGE AND RETURN TO SERVICE...6247
Storage...6247
Return to Service...6247
SYSTEM SETUP & ANALYSIS...6248
DIAGNOSTIC SERVICE CODES...6250
Viewing Service Codes...6250
Service Codes List...6250
SPECIFICATIONS...6256
(T2250) TELESCOPIC HANDLER SPECIFICATIONS...6258
Dimensional Specifications...6258
Performance Specifications...6259
Weights...6259
Engine...6259
Controls...6260
Drive System...6260
Steering...6260
Brakes...6260
Fluid Capacities...6261
Hydraulic System...6261
Electrical...6261
Instruments...6262
Environmental...6262
Temperature Range...6262
WARRANTY...6264
WARRANTY...6266
ALPHABETICAL INDEX...6268
6989552 (2-10) - T2556-T2566 Telescopic Handler Operation & Maintenance Manual...6270
CONTENTS...6274
FOREWORD...6276
DECLARATION OF CONFORMITY...6278
Model T2556...6278
Model T2566...6279
BOBCAT COMPANY IS IS0 9001 CERTIFIED...6280
REGULAR MAINTENANCE ITEMS...6280
Parts...6280
Lubricants, Fuel and Fluids...6281
SERIAL NUMBER LOCATION...6282
Telescopic Handler Serial Number...6282
Engine Serial Number...6282
Other Serial Numbers...6282
DELIVERY REPORT...6283
BOBCAT telescopic handler IDENTIFICATION...6284
FEATURES, ACCESSORIES AND ATTACHMENTS...6285
Standard Items...6285
Options And Accessories...6285
Available Tyres...6285
Attachments...6285
Windscreen Grill...6286
Windscreen Grill Inspection And Maintenance...6286
SAFETY & TRAINING RESOURCES...6288
SAFETY INSTRUCTIONS...6290
Before Operation...6290
Safe Operation Is The Operator’s Responsibility...6291
Safe Operation Needs A Qualified Operator...6291
Avoid Silica Dust...6292
FIRE PREVENTION...6292
Maintenance...6292
Operation...6292
Electrical...6292
Hydraulic System...6293
Fueling...6293
Starting...6293
Spark Arrester Exhaust System...6293
Welding And Grinding...6293
Fire Extinguishers...6293
PUBLICATIONS AND TRAINING RESOURCES...6294
MACHINE SIGNS (DECALS)...6295
No-Text Safety Signs...6298
LOAD CHARTS...6302
CHARTS FOR T2556 MACHINE...6304
CHARTS FOR T2566 MACHINE...6306
OPERATING INSTRUCTIONS...6308
OPERATOR CONTROLS IDENTIFICATION...6310
Operator Components...6310
Travel Direction And Two-Speed Control...6310
Steering Wheel...6311
Direction Signal...6311
Front Wiper/Washer/Headlight Dimmer...6311
Horn...6311
Steering Wheel Tilt Adjustment...6312
Longitudinal Stability Indicator / AMA System...6312
Centre Instrument Panel...6313
Right Instrument And Indicator Panel...6314
Left Instrument Panel...6316
Heater / Air Conditioning Controls (If Equipped)...6316
Rear Console...6317
Accelerator Pedal...6317
Brake Pedal And Inching Control...6317
OPERATOR CAB (ROPS / FOPS)...6318
Description...6318
Cab Door...6318
Cab Door Window...6319
STEERING MODE SELECTION...6320
Steering Controls...6320
PARKING BRAKE...6321
Operation...6321
EMERGENCY EXIT...6321
Rear Window...6321
BACK-UP ALARM SYSTEM (IF EQUIPPED)...6322
Description...6322
Operation...6322
DRIVING AND STEERING THE TELESCOPIC HANDLER...6323
4-Wheel Steering Mode...6323
Stopping The Telescopic Handler (4-Wheel Steering Mode)...6324
2-Wheel Steering Mode...6325
Stopping The Telescopic Handler (2-Wheel Steering Mode)...6326
Crab Steering Mode...6327
Stopping The Telescopic Handler (Crab Steering Mode)...6328
CREEP MODE OPERATION...6329
Description...6329
Operation...6329
HYDRAULIC CONTROLS...6330
Hydraulic Control Lever (Joystick)...6330
Auxiliary Hydraulic Release...6331
DAILY INSPECTION...6332
Daily Inspection And Maintenance...6332
PRE-STARTING PROCEDURE...6334
Entering The Telescopic Handler...6334
Operation & Maintenance Manual Location...6334
Seat Adjustment...6335
Seat Belt Adjustment...6335
Panel Switch Position...6336
STARTING THE ENGINE...6337
Cold Temperature Starting...6338
Warming The Hydraulic / Hydrostatic System...6338
MONITORING THE DISPLAY PANELS...6339
Panel...6339
STOPPING THE ENGINE AND LEAVING THE TELESCOPIC HANDLER...6339
Procedure...6339
ATTACHMENTS...6340
Installing And Removing The Attachment (Manual Locking)...6340
Installing And Removing The Attachment (Hydraulic Locking) (Optional)...6341
OPERATING PROCEDURE...6343
Aggravating Movements Arrester System (AMA)...6343
Deactivation Switch Key for the Aggravating Movements Arrester (AMA) System...6343
Inspecting The Work Area...6344
Basic Operating Instructions...6344
Operating With A Full Bucket...6345
Operating With An Empty Bucket...6345
Filling And Emptying The Bucket...6346
Digging And Filling A Hole...6347
Raising A Load And Extending The Boom...6348
Load Capacity Charts...6348
TOWING THE telescopic handler...6349
Procedure...6349
LIFTING THE telescopic handler...6351
TRANSPORTING THE telescopic handler...6352
Loading And Unloading...6352
Fastening...6352
PREVENTIVE MAINTENANCE...6354
SERVICE SCHEDULE...6358
SEAT BELT...6359
Inspection And Maintenance...6359
APPROVED BOOM STOP (IF EQUIPPED)...6360
Installing The Approved Boom Stop...6360
Removing The Approved Boom Stop...6360
BACK-UP ALARM SYSTEM (IF EQUIPPED)...6361
Description...6361
Inspecting...6361
ENGINE COVER...6361
Opening And Closing...6361
Heating, VENTILATION AND AIR CONDITIONING System (HVAC)...6362
Cleaning And Maintenance...6362
Filters...6362
Condenser...6362
Air Conditioning Lubrication...6362
Troubleshooting...6362
AIR CLEANER SERVICE...6363
Replacing Filters...6363
FUEL SYSTEM...6365
Fuel Specifications...6365
Biodiesel Blend Fuel...6365
Filling The Fuel Tank...6365
Secondary Fuel Filter...6366
Primary Fuel Filter (Pre-Filter)...6366
Removing Air From The Fuel System...6367
ENGINE LUBRICATION SYSTEM...6368
Checking And Adding Engine Oil...6368
Engine Oil Chart...6368
Removing And Replacing Oil And Filter...6369
ENGINE COOLING SYSTEM...6370
Cleaning...6370
Removing And Replacing The Coolant...6371
Checking Level...6372
ELECTRICAL SYSTEM...6372
Description...6372
Fuses, Diode And Relay Location / Identification...6373
Battery Maintenance...6375
Using A Booster Battery (Jump Starting)...6376
Removing And Installing Battery...6377
Battery Disconnect Switch...6379
HYDRAULIC/HYDROSTATIC SYSTEM...6380
Checking And Adding Fluid...6380
Hydraulic / Hydrostatic Fluid Chart...6380
Removing And Replacing Hydraulic Fluid...6381
Removing And Replacing Hydraulic/Hydrostatic Filter...6382
Hydraulic Tank Breather...6382
AXLES (FRONT AND REAR)...6383
Checking And Adding Oil (Planetary Carrier)...6383
Removing And Replacing Oil (Planetary Carrier)...6383
Checking And Adding Oil (Front Differential)...6384
Removing And Replacing Oil (Front Differential)...6384
Checking And Adding Oil (Rear Differential)...6385
Removing And Replacing Oil (Rear Differential)...6385
Checking And Adding Oil (Front Drop Box)...6386
Removing And Replacing Oil (Front Drop Box)...6386
ALTERNATOR BELT...6387
Belt Adjusting...6387
Belt Replacement...6387
TYRE MAINTENANCE...6388
Wheel Nuts...6388
Tyre Mounting...6388
Tyre Rotating...6388
Tyre Pressure...6388
LUBRICATING THE TELESCOPIC HANDLER...6389
Lubrication Locations...6389
PIVOT PIN...6392
Inspection And Maintenance...6392
ATTACHMENT FRAME...6393
Inspection And Maintenance...6393
TELESCOPIC HANDLER STORAGE AND RETURN TO SERVICE...6394
Storage...6394
Return To Service...6394
SPECIFICATIONS...6396
(T2556) TELESCOPIC HANDLER SPECIFICATIONS...6398
Dimensional Specifications...6398
Performance Specifications...6399
Weights...6399
Engine...6399
Controls...6400
Drive System...6400
Traction...6400
Steering...6400
Brakes...6400
Fluid Capacities...6401
Hydraulic System...6401
Electrical...6401
Instruments...6402
Environmental...6402
Temperature Range...6402
(T2566) TELESCOPIC HANDLER SPECIFICATIONS...6404
Dimensional Specifications...6404
Performance Specifications...6405
Weights...6405
Engine...6405
Controls...6406
Drive System...6406
Traction...6406
Steering...6406
Brakes...6406
Fluid Capacities...6407
Hydraulic System...6407
Electrical...6407
Instruments...6408
Environmental...6408
Temperature Range...6408
WARRANTY...6410
WARRANTY...6412
ALPHABETICAL INDEX...6414
Bobcat Telescopic Handlers T2250, T2556, T2566 Repair Service Manuals