Bobcat Skid-Steer Loaders 630, 631, 632 Repair Service Manuals
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Model:
Complete repair service manual with Electrical Wiring Diagrams for Bobcat Skid-Steer Loaders 630, 631, 632, with technical information to maintain, diagnose, repair like professional mechanics.
Bobcat Skid-Steer Loaders 630, 631, 632 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.
6556157 (6-00) - 632 Operation & Maintenance Manual.pdf
6556176 (9-96) - 630 Operation & Maintenance Manual.pdf
6556454 (2-87) - 630, 631, 632 Service Manual.pdf
6556454 (6-12) - 630, 631, 632 Service Manual.pdf
6556536 (12-80) - 631 Owner's Manual.pdf
6556732 (10-79) - 630 Owner's Manual.pdf
6566573 (7-96) - 632 Operation & Maintenance Manual.pdf
PRODUCT DETAILS:
Total Pages: 1,021 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
6556157 (6-00) - 632 Operation & Maintenance Manual....1
WARNING....3
FOREWORD....5
CONTENTS....5
632 BOBCAT LOADER IDENTIFICATION....6
OPERATING INSTRUCTIONS....7
OPERATING INSTRUCTIONS....9
CONTROLS....10
DASH PANEL....10
THROTTLE CONTROL....11
CHOKE CONTROL....11
STEERING CONTROLS....11
PARKING BRAKE....12
HYDRAULIC CONTROLS....12
STARTING PROCEDURE....13
Pre-Starting Inspection....13
Starting....13
Normal Starting Condition....14
Cold Temperature Starting Condition....14
BOBCAT OPERATION....15
Bucket Size....15
Installation Of Attachment....15
Removal Of Attachments....15
OPERATION OF THE BOBCAT LOADER....16
OPERATING PROCEDURE....16
Filling The Bucket....16
To Empty The Bucket....16
Digging....17
Leveling....17
Backfilling....17
TRANSPORTING THE BOBCAT....18
STOPPING THE BOBCAT....18
PREVENTIVE MAINTENANCE....19
SERVICE SCHEDULE....21
ENGINE SERVICE....22
AIR CLEANER SYSTEM....22
FUEL SYSTEM....22
Fuel System Service....22
FUEL FILTER....23
ENGINE LUBRICATION SYSTEM....23
REPLACEMENT OF ENGINE OIL AND FILTER....24
ENGINE COOLING SYSTEM....24
COOLANT LEVEL....24
REMOVING COOLANT FROM COOLING SYSTEM....24
DRIVE BELT FOR WATER PUMP, GOVENOR AND ALTERNATOR....25
ELECTRICAL SYSTEM....25
USING AN EXTRA BATTERY....27
TO INSTALL A NEW BATTERY....28
HYDRAULIC SYSTEM....28
HYDRAULIC / HYDROSTATIC OIL RESERVOIR....29
To Check And Add Oil....29
Tp Remove Hydraulic Oil....29
REPLACEMENT OF HYDRAULIC FILTER....30
FINAL DRIVE TRANSMISSION (CHAINCASE)....30
TIRE MAINTENANCE....30
Tire Rotation....30
LUBRICATION OF THE BOBCAT LOADER....31
BOB-TACH....31
PIVOT PINS....32
AUXILIARY CONTROL LOCKBOLT....32
DELIVERY REPORT....32
THIRTY HOUR INSPECTION....32
TROUBLESHOOTING....33
TROUBLESHOOTING THE ENGINE....35
TROUBLESHOOTING THE DRIVE SYSTEM....36
TROUBLESHOOTING THE HYDRAULIC SYSTEM....37
MAJOR PARTS....39
MAIN FRAME....41
SEAT & FUEL SYSTEM....42
DRIVE SYSTEM....43
HYDRAULIC SYSTEM....44
HYDROSTATIC SYSTEM....45
HAND CONTROLS....46
ROPS ELECTRICAL....47
ENGINE ELECTRICAL SYSTEM....48
ENGINE & ATTACHING PARTS....49
DECALS....51
GENERAL INFORMATION....53
LOADER SPECIFICATIONS....55
OPERATION & PERFORMANCE....55
ENGINE....55
HYDRAULIC SYSTEM....55
HYDROSTATIC TRANSMISSION & FINAL DRIVE....56
ELECTRICAL....56
TIRES....56
FLUID CAPACITIES....56
WARRANTY....57
6556176 (9-96) - 630 Operation & Maintenance Manual....59
WARNINGS....61
FOREWORD....63
CONTENTS....63
630 BOBCAT LOADER PICTORIAL NOMENCLATURE....64
OPERATING INSTRUCTIONS....65
OPERATING INSTRUCTIONS....67
CONTROLS....68
DASH PANEL....68
THROTTLE CONTROL....69
CHOKE CONTROL....69
STEERING CONTROLS....69
PARKING BRAKE....70
HYDRAULIC CONTROLS....70
STARTING PROCEDURE....71
Pre-Starting Inspection....71
Starting....71
Normal Starting Condition....72
cold Temperature Starting Condition....72
BOBCAT OPERATION....73
Bucket Size....73
Installing Attachment....73
To Remove Attachment....73
OPERATING THE BOBCAT LOADER....74
Operating Hints....74
Filling A Bucket From A Pile....74
Dumping The Bucket....74
Breaking Ground (Digging)....75
Leveling....75
Backfilling....75
TRANSPORTING THE BOBCAT....76
PREVENTIVE MAINTENANCE....77
SERVICE SCHEDULE....79
ENGINE SERVICE....80
AIR CLEANER SYSTEM....80
FUEL SYSTEM....80
FUEL SYSTEM SERVICE....80
FUEL FILTER....81
ENGINE LUBRICATION SYSTEM....81
CHANGING ENGINE OIL AND FILTER....82
ENGINE COOLING SYSTEM....82
ELECTRICAL SYSTEM....83
IGNITION SYSTEM....84
USING A BOOSTER BATTERY....84
HYDRAULIC SYSTEM....85
HYDRAULIC/HYDROSTATIC FLUID RESERVOIR....86
Checking And Adding Fluid....86
Draining The Hydraulic Reservoir....86
HYDRAULIC FILTER REPLACEMENT....86
FINAL DRIVE TRANSMISSION (CHAINCASE)....87
TIRE MAINTENANCE....87
Tire Rotation....87
LUBRICATION OF LOADER....87
BOB-TACH....88
PIVOT PINS....88
ROPS FASTENERS....88
AUXILIARY CONTROL LOCKBOLT....88
DELIVERY REPORT....89
THIRTY HOUR INSPECTION....89
TROUBLESHOOTING....91
TROUBLESHOOTING THE ENGINE....93
TROUBLESHOOTING THE DRIVE SYSTEM....94
TROUBLESHOOTING THE HYDRAULIC SYSTEM....95
MAJOR PARTS....97
MAIN FRAME....99
SEAT & FUEL SYSTEM....100
DRIVE SYSTEM....101
HYDRAULIC SYSTEM....102
HYDROSTATIC SYSTEM....103
HAND CONTROLS....104
ROPS ELECTRICAL....105
ELECTRICAL SYSTEM....106
ENGINE & ATTACHING PARTS....107
THROTTLE....108
DECALS....109
GENERAL INFORMATION....111
LOADER SPECIFICATIONS....113
OPERATION & PERFORMANCE....113
ENGINE....113
HYDRAULIC SYSTEM....114
HYDRAULIC CYLINDERS....114
HYDROSTATIC TRANSMISSION & FINAL DRIVE....114
ELECTRICAL....114
TIRES....114
FLUID CAPACITIES....114
WARRANTY....115
6556454 (2-87) - 630, 631, 632 Service Manual....117
MAINTENANCE SAFETY....119
CONTENTS....121
FOREWORD....121
PREVENTIVE MAINTENANCE....123
INTRODUCTION....125
Symbols....125
Serial Number Identification....125
Loader Serial Number....125
Engine Serial Number....125
Pre–Delivery Inspection....126
30 Hour Inspection....126
SERVICE INTERVALS....127
BOBCAT SERVICE SCHEDULE*....127
ENGINE SERVICE....128
Engine Oil And Filter....129
Checking Oil....130
Adding Oil....130
Replacement Oil And Filter....130
Crankcase Breather....131
Air Cleaner System....131
Fuel System (630, 632)....132
Fuel Filter....132
Fuel System (631)....133
Fuel Pump....133
Carburetor....133
Carburetor Adjustment....134
Idle Adjusting Needle....134
Throttle Idle Adjustment....134
Fuel Shut–Off....134
Engine Cooling System....134
Removing Coolant From System (632)....135
Engine Electrical System (630, 631 & 632)....135
Using An Extra Battery....137
Installing New Battery....138
Ignition System (630 & 632)....138
Making Adjustment of Spark Plug Gap....138
Making Adjustment of Point Gap....138
HYDRAULIC FLUID AND FILTER....138
Fluid....138
Filter....139
TRANSMISSION AND DRIVE SYSTEM....139
Drive Chains....139
Brakes....139
Fluid....139
Tires....139
Tire Rotation....140
LOADER LUBRICATION....140
BOB–TACH AND PIVOT PINS....140
THE ENGINE MUFFLER....141
HYDRAULIC SYSTEM....143
HYDRAULIC / HYDROSTATIC SCHEMATICS....145
HYDRAULIC CIRCUIT....171
HYDRAULIC SYSTEM INFORMATION....171
Keeping Bobcat Clean....171
37° Flare Connections....171
Tubelines And Hoses....171
Straight Thread O–Ring Connections....171
HYDRAULIC TROUBLESHOOTING....172
CONTROL VALVE....173
Removing Control Valve....173
Disassembly And Inspection Of Control Valve....173
Assembling Control Valve....173
Detent Spool Repair (Lift And Auxiliary Spools) ....174
Relief Valve....174
Check Release Pressure....174
Relief Valve Removal and Replacement....174
Check Output of the Hydraulic Pump....175
HYDRAULIC PUMP....176
Checking Output Of Pump....176
Hydraulic Pump Replacement ....176
HYDRAULIC CYLINDERS....176
Checking Lift Cylinders....176
Checking Tilt Cylinder....177
Removing Hydraulic Cylinder....177
Hydraulic Cylinder Repair....178
Disassembly....178
Assembly....179
Tilt Cylinder Spacer (3’’ Tilt Cylinder)....182
QUICK COUPLERS....182
Restriction in the Quick Couplers (Early Models Only)....182
HYDROSTATIC SYSTEM....183
HYDROSTATIC CIRCUIT....185
HYDROSTATIC TROUBLESHOOTING....185
STEERING LINKAGE ADJUSTMENT....188
REPLENISHING VALVE....189
Checking Replenishing Valves....189
BY–PASS VALVE....190
PUMP ASSEMBLY – REMOVAL AND INSTALLATION....190
Removing the Bronze Filter....190
HYDROSTATIC PUMP ASSEMBLY – REPAIR....191
Hydrostatic Pump Disassembly....191
Hydrostatic Pump Inspection....192
Yoke, Pintle Bearing, etc. – Installation....193
#2 Pump Assembly....195
Assemble Rotating Group....195
Installing Rotating Group Into Housing....196
#1 Pump Assembly....196
Assemble Rotating Group....196
Install Rotating Group Into Housing....197
Installing Pumps to Manifold Block....197
HYDROSTATIC MOTORS (630 S/N 15375 & Below and 632 S/N 15320 & Below)....197
Removing The Hydrostatic Motors....198
Installing Hydrostatic Motors....199
Making The Special Tool For Holding Motor Sprockets....200
Hose Location....200
To Remove Air From The Hydrostatic System (S/N 12999 & Below)....201
To Remove Air From The Hydrostatic System (S/N 13000 & Above)....201
HYDROSTATIC MOTOR REPAIR (630 (S/N 15375 & Below) And 632 (S/N 15320 & Below)....202
Hydrostatic Motor Disassembly and Inspection....203
Hydrostatic Motor Assembly....204
Start–Up Procedure For The Hydrostatic Motor....207
HYDROSTATIC MOTOR REPAIR (630 - S/N 15376 & Above, 631 and 632 - S/N 15321 & Above)....208
Disassembly Of The Hydrostatic Motor....208
Hydrostatic Motor Inspection....211
Assembly Of The Hydrostatic Motor ....212
Installing The Hydrostatic Motor....217
Start–Up Procedure For The Hydrostatic Motor....217
STEERING CONTROLS....217
Installing Steering Linkages – 630–S/N 15300 & Below; 631–S/N 12253 & Below; 632–S/N 15450 & Below;....217
Installing Steering Linkages; 630 (S/N 15301 & Above; 631 (S/N 12254 & Above); 632 (S/N 15451 & Above)....219
DRIVE SYSTEM....221
FINAL DRIVE....223
Drive Chains....223
AXLE AND BEARINGS....223
Axle Bearing Removal....223
Assembly And Installation....224
BRAKE INSTALLATION....224
MAIN FRAME....229
ROPS REMOVAL AND INSTALLATION....231
PIVOT PIN REPLACEMENT ON THE LIFT ARMS....231
BOB–TACH....232
Checking Bob–Tach Wedges....232
Bob–Tach Removal ....232
Bob–Tach Installation....232
Bob–Tach Pins....232
Bob–Tach Over–Center Stop....232
MAIN FRAME TO UPRIGHT FRAME BOLTS....233
LIFT ARMS....233
ELECTRICAL SYSTEM....235
USING AN EXTRA BATTERY....247
ROPS ELECTRICAL SYSTEM (Harness P/N 6558859)....248
ROPS WIRING DIAGRAM (Harness P/N 6557492)....249
630 ENGINE ELECTRICAL SYSTEM (S/N 14999 & Below) (Harness P/N 6558862)....250
ENGINE WIRING DIAGRAM 630 (S/N 14999 & Below) (Harness P/N 6558862)....251
ENGINE ELECTRICAL SYSTEM 631 (S/N 4997 12999 & Below)....252
ENGINE WIRING DIAGRAM 631 (S/N 4997 12999 & Below)....253
ENGINE ELECTRICAL SYSTEM....254
ENGINE WIRING DIAGRAM....255
ELECTRICAL GENERAL INFORMATION....257
Troubleshooting The Flywheel Alternator (630)....257
PROBLEM: BATTERY OVERCHARGE....258
PROBLEM: LOW/NO CHARGE....258
To Check The Stator....258
To Check the Rectifier Module....259
To Check the Regulator Module....259
ELECTRICAL CIRCUIT (631, 632)....259
Electrical Troubleshooting....259
CHART A BATTERY HAS LOW CHARGE....260
CHART B BATTERY OVER–CHARGE....260
ROPS Electrical Connector....260
ALTERNATOR BELT ADJUSTMENT AND REPLACEMENT (631, 632)....261
Adjustment....261
Replacement....261
Check Condition of Battery And Cables....261
Check Alternator Wiring....261
Check Alternator Output....262
Check Regulator....262
ALTERNATOR SERVICE....262
Alternator Removal....262
Alternator Disassembly....262
Checking Rotor ....263
Checking Diode Trio....263
Checking Rectifier....263
Alternator Assembly and Installation....264
STARTER....264
Checking Starter....264
Removing Starter....264
Starter Disassembly....264
Starter Cleaning and Inspection....265
Brush Replacement....266
Starter Assembly....266
Check Electrical Wiring....266
ENGINE SERVICE....267
WISCONSIN ENGINE (630)....269
TROUBLESHOOTING....271
ENGINE IGNITION SYSTEM....272
Distributor Maintenance....272
Timing Procedure....272
Spark Plugs....272
CARBURETOR SERVICE....273
Adjustments....273
Float Adjustment....273
Governor Adjustment....273
REMOVAL OF ENGINE....273
REMOVAL OF ACCESSORIES....274
REMOVAL OF FLYWHEEL....274
REMOVAL OF AIR HOUSING....274
REMOVAL OF CARBURETOR AND MANIFOLD....274
REMOVAL OF CYLINDER HEADS....274
REMOVAL OF CAMSHAFT....274
REMOVAL OF IDLER GEAR AND SHAFT....275
REMOVAL OF OIL PAN....275
REMOVAL OF OIL PUMP....275
REMOVAL OF PISTONS AND CONNECTING RODS....275
REMOVAL OF VALVE AND SEAT INSERTS....276
REMOVAL OF CYLINDER BLOCK....276
REMOVAL OF CRANKSHAFT....277
REMOVAL OF CAMSHAFT....277
REMOVAL OF VALVE TAPPETS....277
INSTALLATION OF VALVE TAPPETS....277
INSTALLATION OF CAMSHAFT....277
INSTALLATION OF CRANKSHAFT....277
Three Bearing Crankshaft....277
INSTALLATION OF CYLINDER BLOCKS....278
INSTALLATION OF PISTON RINGS....278
INSTALLATION OF VALVES AND SEAT INSERTS....278
INSTALLATION OF PISTONS AND CONNECTING RODS....278
INSTALLATION OF OIL PUMP....279
OIL PAN INSTALLATION....279
INSTALLATION OF IDLER GEAR AND SHAFT....280
INSTALLATION OF GEAR COVER....280
INSTALLATION OF CYLINDER HEAD....280
INSTALLATION OF CARBURETOR AND MANIFOLD ASSEMBLY....281
INSTALLATION OF AIR HOUSING....281
INSTALLATION OF FLYWHEEL....281
INSTALLATION OF ACCESSORIES....281
GOVERNOR SERVICE....281
DEUTZ ENGINE–FL411D (631)....283
TROUBLESHOOTING....285
Engine Mounts....286
FUEL SYSTEM....287
Fuel And Control Linkage Adjustment....287
Venting Air From Fuel System....287
Fuel Filter....288
Fuel Lift Pump....288
Fuel Injection Pump Checking....289
Removal Of Fuel Injection Pump....289
Fuel Injection Pump Service....289
To Install Fuel Injection Pump....289
Adjustment Of Fuel Delivery....290
FUEL INJECTION NOZZLES....291
Removal Of Fuel Injection Nozzles....291
Disassembly & Repair Of Fuel Injection Nozzles....291
Installation Of Fuel Injection Nozzles....291
ENGINE INFORMATION....291
ENGINE REMOVAL....291
BLOWER FAN....292
Removal....292
Installation....292
Disassembly....292
Assembly....292
CYLINDER HEAD AND VALVES....292
Removal....292
Disassembly....293
Repair and Assembly....293
Installation Of Cylinder Head....295
CYLINDERS, PISTONS, CONNECTING RODS....296
Assembly....297
OIL PUMP, FILTER HOUSING AND RELIEF VALVE....297
Oil Pump Removal....297
Installation....298
Oil Pressure Relief Valve....298
Filter Housing....298
ENGINE FRONT COVER....298
Removal....298
Disassembly & Inspection....298
Assembly....299
Installation....300
GOVERNOR....300
Removal and Disassembly....300
Assembly and Installation....301
CAMSHAFT (Engine Must Be Removed)....301
Removal....301
Installation....301
Crankshaft Removal....302
Crankshaft Inspection....302
Crankshaft Assembly....302
FLYWHEEL....303
DEUTZ ENGINE–F2L511 (631)....304
TROUBLESHOOTING....304
ENGINE MOUNTS....305
FUEL SYSTEM....305
Venting Air From Fuel System....306
Fuel Filters ....306
Fuel Lift Pump....307
Removal Of Fuel Injection Pump....307
Removal Of Injection Pump....307
Fuel Injection Pump Service....307
To Install Fuel Injection Pump....307
Adjustment Of Fuel Delivery....309
FUEL INJECTION NOZZLES....310
Removal....310
Disassembly And Repair Of Injector (In Shop)....310
Installation Of Injector....310
ENGINE INFORMATION....311
ENGINE REMOVAL....311
BLOWER FAN....311
Removal Of Blower Fan....311
Installation....312
Disassembly....312
Assembly....312
CYLINDER HEAD AND VALVES....312
Removal And Disassembly....312
Repair And Assembly....313
Checking Piston Crown Clearance And Installation Of Cylinder Head....315
CYLINDER, PISTONS AND CONNECTING RODS....316
Assembly....317
OIL PUMP, FILTER HOUSING AND RELIEF VALVE....318
Oil Pump Removal....318
Installation....318
Oil Pressure Relief Valve....318
ENGINE FRONT COVER....318
Removal....318
Disassembly And Inspection....319
Assembly....319
Installation....320
GOVERNOR....321
Removal And Disassembly....321
Assembly And Installation....321
CAMSHAFT (Engine Must Be Out Of Machine)....322
Removal....322
Installation....322
Crankshaft Removal....322
Crankshaft Inspection....323
Crankshaft Assembly....323
FLYWHEEL....324
Installing Flywheel....324
ENGINE OIL COOLER....324
FORD ENGINE (632)....325
TROUBLESHOOTING....327
CHECKS AND ADJUSTMENTS....328
Engine Oil Pressure....328
Valve Clearance....328
Checking Engine Compression....329
Understanding The Results Of The Test....329
Carburetor, Throttle And Governor Adjustments....330
Ignition System....332
Coil To Coil Ground Voltmeter Test....332
Spark Plug Wires Resistance Test....332
Spark Plug Test....332
Distributor Tests....332
Dwell Angle Check....332
Spark Strength Tests....333
Ignition System Tests....333
Battery To Coil Voltmeter Test....333
Starting Ignition Circuit Voltmeter Test....333
Breaker Point Gap Adjustment....334
Ignition Timing....334
Timing Mark Locations....334
Initial Ignition Timing....334
CARBURETOR REPAIR....335
ENGINE DIAGNOSIS AND TESTING....335
Camshaft Lobe Lift....335
Crankshaft End Play....336
Flywheel Face Alignment Check....336
Camshaft End Play....336
ENGINE OVERHAUL....336
Cylinder Head....336
Valve Guides....336
Grinding Valve Seats....337
Valves....337
Grinding Valves....337
Select Fitting Of Valves....337
Camshaft Repair....337
Crankshaft....337
Reconditioning Crankshaft Journals....337
To Check Crankshaft Or Connecting Rod Bearings With Plastigage....337
Pistons, Pins And Rings....338
To Install Pistons....338
To Install Piston Rings....338
Installing Piston Pins....339
Valve Rocker Arm And/Or Shaft Assembly....339
Push Rods....339
Cylinder Block....339
Finishing Cylinder Walls....339
Cylinder Head....339
Cleaning....339
Inspection....339
Tappets....340
Cleaning....340
Inspection....340
Camshaft....340
Cleaning and Inspection....340
Crankshaft Inspection....340
Flywheel Inspection....340
Connecting Rods ....340
Cleaning....340
Inspection....341
Pistons, Pins And Rings....341
Cleaning....341
Inspection....341
Main And Connecting Rod Bearings....341
Cleaning....341
Inspection....341
Cylinder Block....341
Cleaning....341
Inspection....342
OIL PUMP....342
Cleaning....342
Inspection....342
REMOVAL OF ENGINE....342
VALVE ROCKER ARM COVER, ROCKER ARM AND/OR SHAFT....343
Removal And Disassembly....343
Installation....343
VALVE PUSHROD....343
Removal....343
Installation....344
INTAKE MANIFOLD....344
Removal....344
Installation....344
CYLINDER HEAD....344
Removal....344
Installation....345
VALVE SPRING, RETAINER AND STEM SEAL (CYLINDER HEAD REMOVED)....346
Removal....346
Installation....346
VALVE SPRING, RETAINER AND STEM SEAL (CYLINDER HEAD INSTALLED)....346
Removal....346
Installation....346
WATER PUMP....347
Removal....347
Installation....347
ENGINE FRONT COVER, TIMING CHAIN AND CRANKSHAFT SPROCKETS....347
Installation....348
Removal....347
Remove Timing Cover....348
FRONT OIL SEAL....349
Removal....349
Installation....349
TIMING CHAIN TIGHTENER....349
Removal....349
Installation....349
CAMSHAFT AND VALVE LIFTERS....349
Removal....349
Installation....350
FLYWHEEL RING GEAR....351
Removal....351
Installation....351
OIL PAN....351
Removal....351
Installation....351
OIL PUMP....352
Removal....352
Installation....352
CRANKSHAFT REAR OIL SEAL....352
Removal....352
Installation....352
MAIN BEARINGS....352
Removal....353
Installation....353
CONNECTING ROD BEARINGS....353
Removal....353
Installation....353
PISTONS AND CONNECTING RODS....353
Removal....353
Installation....354
CRANKSHAFT....355
Removal....355
Installation....355
CAMSHAFT BEARINGS....356
Removal of Camshaft....356
Installation....356
TECHNICAL DATA....357
ENGINE SPECIFICATIONS, 630 (WISCONSIN)....359
630 LOADER SPECIFICATIONS....361
OPERATIONAL & PERFORMANCE....361
ENGINE ....361
LOADER HYDRAULICS....361
ELECTRICAL....361
DRIVE SYSTEM....361
CAPACITIES....361
TIRES....361
MACHINE WEIGHT....361
ENGINE SPECIFICATIONS, 630 (Wisconsin)....362
Fuel Specifications....362
Engine Oil....362
Valve Mechanism....362
Crankshaft....363
Idler Gear....363
Connecting Rod....363
Piston, Piston Pin, Piston Rings....363
Ignition System....363
Distributor Advance Characteristics....363
Starter....363
Engine Torque Specifications....363
ENGINE SPECIFICATIONS, 631 (DEUTZ)....365
631 LOADER SPECIFICATIONS....367
OPERATIONAL & PERFORMANCE....367
ENGINE....367
LOADER HYDRAULICS....367
ELECTRICAL....367
DRIVE SYSTEM....367
CAPACITIES....367
TIRES....367
MACHINE WEIGHT....367
ENGINE SPECIFICATIONS - F2L411D, 631 (Deutz)....368
Fuel System....368
Governor, Front Cover And Throttle....368
Cylinder Head And Valves....368
Cylinder, Piston And Connecting Rod....368
Camshaft, Crankshaft, Bearings....369
Lubrication System....369
Torque Specifications (Deutz Engine)....370
Special Tools (Deutz)....370
ENGINE SPECIFICATIONS - F2L511, 631 (Deutz)....371
Fuel System....371
Governor, Front Cover And Throttle....371
Cylinder Head And Valves....371
Cylinder, Piston And Connecting Rod....371
Camshaft, Crankshaft, Bearings....372
Lubrication System....372
Torque Specifications....373
Special Tools (F2L511 Deutz)....373
ENGINE SPECIFICATIONS, 632 (FORD)....375
632 LOADER SPECIFICATIONS....377
OPERATIONAL & PERFORMANCE....377
ENGINE....377
LOADER HYDRAULICS....377
ELECTRICAL....377
DRIVE SYSTEM....377
CAPACITIES....377
TIRES....377
MACHINE WEIGHT....377
ENGINE SPECIFICATIONS, 632 (FORD)....378
Fuel Specifications....378
Fuel System....378
Engine Oil....378
Lubrication System....379
Cylinder Heads....379
Valve Mechanism....379
Camshaft....379
Crankshaft....380
Connecting Rod....380
Piston....380
Piston Pin....380
Piston Rings....380
Cylinder Block....381
Ignition System....381
Starter....381
Torque Specifications For Engine....382
Special Tools (Ford)....382
Carburetor Tool....382
TECHNICAL DATA....383
LOADER TORQUE SPECIFICATIONS....385
HYDRAULIC/HYDROSTATIC TRANSMISSION FLUID....385
Hydrostatic System Specifications....385
SPECIAL TOOLS....385
Main Frame & Hydraulic Tools....385
Hydrostatic System Tools....385
CONVERSIONS....386
U.S. To Metric Conversion....386
Decimal And Millimeter Equivalents....386
ALPHABETICAL INDEX....387
SERVICE MANUAL REVISIONS....393
630–1....393
630–2....395
630–3....397
630–4....399
6556454 (6-12) - 630, 631, 632 Service Manual....401
MAINTENANCE SAFETY....403
CONTENTS....405
FOREWORD....405
PREVENTIVE MAINTENANCE....407
INTRODUCTION....409
Symbols....409
Serial Number Identification....409
Loader Serial Number....409
Engine Serial Number....409
Pre–Delivery Inspection....410
30 Hour Inspection....410
SERVICE INTERVALS....411
BOBCAT SERVICE SCHEDULE*....411
ENGINE SERVICE....412
Engine Oil And Filter....413
Checking Oil....414
Adding Oil....414
Replacement Oil And Filter....414
Crankcase Breather....415
Air Cleaner System....415
Fuel System (630, 632)....416
Fuel Filter....416
Fuel System (631)....417
Fuel Pump....417
Carburetor....417
Carburetor Adjustment....418
Idle Adjusting Needle....418
Throttle Idle Adjustment....418
Fuel Shut–Off....418
Engine Cooling System....418
Removing Coolant From System (632)....419
Engine Electrical System (630, 631 & 632)....419
Using An Extra Battery....421
Installing New Battery....422
Ignition System (630 & 632)....422
Making Adjustment of Spark Plug Gap....422
Making Adjustment of Point Gap....422
HYDRAULIC FLUID AND FILTER....422
Fluid....422
Filter....423
TRANSMISSION AND DRIVE SYSTEM....423
Drive Chains....423
Brakes....423
Fluid....423
Tires....423
Tire Rotation....424
LOADER LUBRICATION....424
BOB–TACH AND PIVOT PINS....424
THE ENGINE MUFFLER....425
HYDRAULIC SYSTEM....427
HYDRAULIC / HYDROSTATIC SCHEMATICS....429
HYDRAULIC CIRCUIT....455
HYDRAULIC SYSTEM INFORMATION....455
Keeping Bobcat Clean....455
37° Flare Connections....455
Tubelines And Hoses....455
Straight Thread O–Ring Connections....455
HYDRAULIC TROUBLESHOOTING....456
CONTROL VALVE....457
Removing Control Valve....457
Disassembly And Inspection Of Control Valve....457
Assembling Control Valve....457
Detent Spool Repair (Lift And Auxiliary Spools) ....458
Relief Valve....458
Check Release Pressure....458
Relief Valve Removal and Replacement....458
Check Output of the Hydraulic Pump....459
HYDRAULIC PUMP....460
Checking Output Of Pump....460
Hydraulic Pump Replacement ....460
HYDRAULIC CYLINDERS....460
Checking Lift Cylinders....460
Checking Tilt Cylinder....461
Removing Hydraulic Cylinder....461
Hydraulic Cylinder Repair....462
Disassembly....462
Assembly....463
Tilt Cylinder Spacer (3’’ Tilt Cylinder)....466
QUICK COUPLERS....466
Restriction in the Quick Couplers (Early Models Only)....466
HYDROSTATIC SYSTEM....467
HYDROSTATIC CIRCUIT....469
HYDROSTATIC TROUBLESHOOTING....469
STEERING LINKAGE ADJUSTMENT....472
REPLENISHING VALVE....473
Checking Replenishing Valves....473
BY–PASS VALVE....474
PUMP ASSEMBLY – REMOVAL AND INSTALLATION....474
Removing the Bronze Filter....474
HYDROSTATIC PUMP ASSEMBLY – REPAIR....475
Hydrostatic Pump Disassembly....475
Hydrostatic Pump Inspection....476
Yoke, Pintle Bearing, etc. – Installation....477
#2 Pump Assembly....479
Assemble Rotating Group....479
Installing Rotating Group Into Housing....480
#1 Pump Assembly....480
Assemble Rotating Group....480
Install Rotating Group Into Housing....481
Installing Pumps to Manifold Block....481
HYDROSTATIC MOTORS (630 S/N 15375 & Below and 632 S/N 15320 & Below)....481
Removing The Hydrostatic Motors....482
Installing Hydrostatic Motors....483
Making The Special Tool For Holding Motor Sprockets....484
Hose Location....484
To Remove Air From The Hydrostatic System (S/N 12999 & Below)....485
To Remove Air From The Hydrostatic System (S/N 13000 & Above)....485
HYDROSTATIC MOTOR REPAIR (630 (S/N 15375 & Below) And 632 (S/N 15320 & Below)....486
Hydrostatic Motor Disassembly and Inspection....487
Hydrostatic Motor Assembly....488
Start–Up Procedure For The Hydrostatic Motor....491
HYDROSTATIC MOTOR REPAIR (630 - S/N 15376 & Above, 631 and 632 - S/N 15321 & Above)....492
Disassembly Of The Hydrostatic Motor....492
Hydrostatic Motor Inspection....495
Assembly Of The Hydrostatic Motor ....496
Installing The Hydrostatic Motor....501
Start–Up Procedure For The Hydrostatic Motor....501
STEERING CONTROLS....501
Installing Steering Linkages – 630–S/N 15300 & Below; 631–S/N 12253 & Below; 632–S/N 15450 & Below;....501
Installing Steering Linkages; 630 (S/N 15301 & Above; 631 (S/N 12254 & Above); 632 (S/N 15451 & Above)....503
DRIVE SYSTEM....505
FINAL DRIVE....507
Drive Chains....507
AXLE AND BEARINGS....507
Axle Bearing Removal....507
Assembly And Installation....508
BRAKE INSTALLATION....508
MAIN FRAME....513
ROPS REMOVAL AND INSTALLATION....515
PIVOT PIN REPLACEMENT ON THE LIFT ARMS....515
BOB–TACH....516
Checking Bob–Tach Wedges....516
Bob–Tach Removal ....516
Bob–Tach Installation....516
Bob–Tach Pins....516
Bob–Tach Over–Center Stop....516
MAIN FRAME TO UPRIGHT FRAME BOLTS....517
LIFT ARMS....517
ELECTRICAL SYSTEM....519
USING AN EXTRA BATTERY....531
ROPS ELECTRICAL SYSTEM (Harness P/N 6558859)....532
ROPS WIRING DIAGRAM (Harness P/N 6557492)....533
630 ENGINE ELECTRICAL SYSTEM (S/N 14999 & Below) (Harness P/N 6558862)....534
ENGINE WIRING DIAGRAM 630 (S/N 14999 & Below) (Harness P/N 6558862)....535
ENGINE ELECTRICAL SYSTEM 631 (S/N 4997 12999 & Below)....536
ENGINE WIRING DIAGRAM 631 (S/N 4997 12999 & Below)....537
ENGINE ELECTRICAL SYSTEM....538
ENGINE WIRING DIAGRAM....539
ELECTRICAL GENERAL INFORMATION....541
Troubleshooting The Flywheel Alternator (630)....541
PROBLEM: BATTERY OVERCHARGE....542
PROBLEM: LOW/NO CHARGE....542
To Check The Stator....542
To Check the Rectifier Module....543
To Check the Regulator Module....543
ELECTRICAL CIRCUIT (631, 632)....543
Electrical Troubleshooting....543
CHART A BATTERY HAS LOW CHARGE....544
CHART B BATTERY OVER–CHARGE....544
ROPS Electrical Connector....544
ALTERNATOR BELT ADJUSTMENT AND REPLACEMENT (631, 632)....545
Adjustment....545
Replacement....545
Check Condition of Battery And Cables....545
Check Alternator Wiring....545
Check Alternator Output....546
Check Regulator....546
ALTERNATOR SERVICE....546
Alternator Removal....546
Alternator Disassembly....546
Checking Rotor ....547
Checking Diode Trio....547
Checking Rectifier....547
Alternator Assembly and Installation....548
STARTER....548
Checking Starter....548
Removing Starter....548
Starter Disassembly....548
Starter Cleaning and Inspection....549
Brush Replacement....550
Starter Assembly....550
Check Electrical Wiring....550
ENGINE SERVICE....551
WISCONSIN ENGINE (630)....553
TROUBLESHOOTING....555
ENGINE IGNITION SYSTEM....556
Distributor Maintenance....556
Timing Procedure....556
Spark Plugs....556
CARBURETOR SERVICE....557
Adjustments....557
Float Adjustment....557
Governor Adjustment....557
REMOVAL OF ENGINE....557
REMOVAL OF ACCESSORIES....558
REMOVAL OF FLYWHEEL....558
REMOVAL OF AIR HOUSING....558
REMOVAL OF CARBURETOR AND MANIFOLD....558
REMOVAL OF CYLINDER HEADS....558
REMOVAL OF CAMSHAFT....558
REMOVAL OF IDLER GEAR AND SHAFT....559
REMOVAL OF OIL PAN....559
REMOVAL OF OIL PUMP....559
REMOVAL OF PISTONS AND CONNECTING RODS....559
REMOVAL OF VALVE AND SEAT INSERTS....560
REMOVAL OF CYLINDER BLOCK....560
REMOVAL OF CRANKSHAFT....561
REMOVAL OF CAMSHAFT....561
REMOVAL OF VALVE TAPPETS....561
INSTALLATION OF VALVE TAPPETS....561
INSTALLATION OF CAMSHAFT....561
INSTALLATION OF CRANKSHAFT....561
Three Bearing Crankshaft....561
INSTALLATION OF CYLINDER BLOCKS....562
INSTALLATION OF PISTON RINGS....562
INSTALLATION OF VALVES AND SEAT INSERTS....562
INSTALLATION OF PISTONS AND CONNECTING RODS....562
INSTALLATION OF OIL PUMP....563
OIL PAN INSTALLATION....563
INSTALLATION OF IDLER GEAR AND SHAFT....564
INSTALLATION OF GEAR COVER....564
INSTALLATION OF CYLINDER HEAD....564
INSTALLATION OF CARBURETOR AND MANIFOLD ASSEMBLY....565
INSTALLATION OF AIR HOUSING....565
INSTALLATION OF FLYWHEEL....565
INSTALLATION OF ACCESSORIES....565
GOVERNOR SERVICE....565
DEUTZ ENGINE–FL411D (631)....567
TROUBLESHOOTING....569
Engine Mounts....570
FUEL SYSTEM....571
Fuel And Control Linkage Adjustment....571
Venting Air From Fuel System....571
Fuel Filter....572
Fuel Lift Pump....572
Fuel Injection Pump Checking....573
Removal Of Fuel Injection Pump....573
Fuel Injection Pump Service....573
To Install Fuel Injection Pump....573
Adjustment Of Fuel Delivery....574
FUEL INJECTION NOZZLES....575
Removal Of Fuel Injection Nozzles....575
Disassembly & Repair Of Fuel Injection Nozzles....575
Installation Of Fuel Injection Nozzles....575
ENGINE INFORMATION....575
ENGINE REMOVAL....575
BLOWER FAN....576
Removal....576
Installation....576
Disassembly....576
Assembly....576
CYLINDER HEAD AND VALVES....576
Removal....576
Disassembly....577
Repair and Assembly....577
Installation Of Cylinder Head....579
CYLINDERS, PISTONS, CONNECTING RODS....580
Assembly....581
OIL PUMP, FILTER HOUSING AND RELIEF VALVE....581
Oil Pump Removal....581
Installation....582
Oil Pressure Relief Valve....582
Filter Housing....582
ENGINE FRONT COVER....582
Removal....582
Disassembly & Inspection....582
Assembly....583
Installation....584
GOVERNOR....584
Removal and Disassembly....584
Assembly and Installation....585
CAMSHAFT (Engine Must Be Removed)....585
Removal....585
Installation....585
Crankshaft Removal....586
Crankshaft Inspection....586
Crankshaft Assembly....586
FLYWHEEL....587
DEUTZ ENGINE–F2L511 (631)....588
TROUBLESHOOTING....588
ENGINE MOUNTS....589
FUEL SYSTEM....589
Venting Air From Fuel System....590
Fuel Filters ....590
Fuel Lift Pump....591
Removal Of Fuel Injection Pump....591
Removal Of Injection Pump....591
Fuel Injection Pump Service....591
To Install Fuel Injection Pump....591
Adjustment Of Fuel Delivery....593
FUEL INJECTION NOZZLES....594
Removal....594
Disassembly And Repair Of Injector (In Shop)....594
Installation Of Injector....594
ENGINE INFORMATION....595
ENGINE REMOVAL....595
BLOWER FAN....595
Removal Of Blower Fan....595
Installation....596
Disassembly....596
Assembly....596
CYLINDER HEAD AND VALVES....596
Removal And Disassembly....596
Repair And Assembly....597
Checking Piston Crown Clearance And Installation Of Cylinder Head....599
CYLINDER, PISTONS AND CONNECTING RODS....600
Assembly....601
OIL PUMP, FILTER HOUSING AND RELIEF VALVE....602
Oil Pump Removal....602
Installation....602
Oil Pressure Relief Valve....602
ENGINE FRONT COVER....602
Removal....602
Disassembly And Inspection....603
Assembly....603
Installation....604
GOVERNOR....605
Removal And Disassembly....605
Assembly And Installation....605
CAMSHAFT (Engine Must Be Out Of Machine)....606
Removal....606
Installation....606
Crankshaft Removal....606
Crankshaft Inspection....607
Crankshaft Assembly....607
FLYWHEEL....608
Installing Flywheel....608
ENGINE OIL COOLER....608
FORD ENGINE (632)....609
TROUBLESHOOTING....611
CHECKS AND ADJUSTMENTS....612
Engine Oil Pressure....612
Valve Clearance....612
Checking Engine Compression....613
Understanding The Results Of The Test....613
Carburetor, Throttle And Governor Adjustments....614
Ignition System....616
Coil To Coil Ground Voltmeter Test....616
Spark Plug Wires Resistance Test....616
Spark Plug Test....616
Distributor Tests....616
Dwell Angle Check....616
Spark Strength Tests....617
Ignition System Tests....617
Battery To Coil Voltmeter Test....617
Starting Ignition Circuit Voltmeter Test....617
Breaker Point Gap Adjustment....618
Ignition Timing....618
Timing Mark Locations....618
Initial Ignition Timing....618
CARBURETOR REPAIR....619
ENGINE DIAGNOSIS AND TESTING....619
Camshaft Lobe Lift....619
Crankshaft End Play....620
Flywheel Face Alignment Check....620
Camshaft End Play....620
ENGINE OVERHAUL....620
Cylinder Head....620
Valve Guides....620
Grinding Valve Seats....621
Valves....621
Grinding Valves....621
Select Fitting Of Valves....621
Camshaft Repair....621
Crankshaft....621
Reconditioning Crankshaft Journals....621
To Check Crankshaft Or Connecting Rod Bearings With Plastigage....621
Pistons, Pins And Rings....622
To Install Pistons....622
To Install Piston Rings....622
Installing Piston Pins....623
Valve Rocker Arm And/Or Shaft Assembly....623
Push Rods....623
Cylinder Block....623
Finishing Cylinder Walls....623
Cylinder Head....623
Cleaning....623
Inspection....623
Tappets....624
Cleaning....624
Inspection....624
Camshaft....624
Cleaning and Inspection....624
Crankshaft Inspection....624
Flywheel Inspection....624
Connecting Rods ....624
Cleaning....624
Inspection....625
Pistons, Pins And Rings....625
Cleaning....625
Inspection....625
Main And Connecting Rod Bearings....625
Cleaning....625
Inspection....625
Cylinder Block....625
Cleaning....625
Inspection....626
OIL PUMP....626
Cleaning....626
Inspection....626
REMOVAL OF ENGINE....626
VALVE ROCKER ARM COVER, ROCKER ARM AND/OR SHAFT....627
Removal And Disassembly....627
Installation....627
VALVE PUSHROD....627
Removal....627
Installation....628
INTAKE MANIFOLD....628
Removal....628
Installation....628
CYLINDER HEAD....628
Removal....628
Installation....629
VALVE SPRING, RETAINER AND STEM SEAL (CYLINDER HEAD REMOVED)....630
Removal....630
Installation....630
VALVE SPRING, RETAINER AND STEM SEAL (CYLINDER HEAD INSTALLED)....630
Removal....630
Installation....630
WATER PUMP....631
Removal....631
Installation....631
ENGINE FRONT COVER, TIMING CHAIN AND CRANKSHAFT SPROCKETS....631
Installation....632
Removal....631
Remove Timing Cover....632
FRONT OIL SEAL....633
Removal....633
Installation....633
TIMING CHAIN TIGHTENER....633
Removal....633
Installation....633
CAMSHAFT AND VALVE LIFTERS....633
Removal....633
Installation....634
FLYWHEEL RING GEAR....635
Removal....635
Installation....635
OIL PAN....635
Removal....635
Installation....635
OIL PUMP....636
Removal....636
Installation....636
CRANKSHAFT REAR OIL SEAL....636
Removal....636
Installation....636
MAIN BEARINGS....636
Removal....637
Installation....637
CONNECTING ROD BEARINGS....637
Removal....637
Installation....637
PISTONS AND CONNECTING RODS....637
Removal....637
Installation....638
CRANKSHAFT....639
Removal....639
Installation....639
CAMSHAFT BEARINGS....640
Removal of Camshaft....640
Installation....640
TECHNICAL DATA....641
ENGINE SPECIFICATIONS, 630 (WISCONSIN)....643
630 LOADER SPECIFICATIONS....645
OPERATIONAL & PERFORMANCE....645
ENGINE ....645
LOADER HYDRAULICS....645
ELECTRICAL....645
DRIVE SYSTEM....645
CAPACITIES....645
TIRES....645
MACHINE WEIGHT....645
ENGINE SPECIFICATIONS, 630 (Wisconsin)....646
Fuel Specifications....646
Engine Oil....646
Valve Mechanism....646
Crankshaft....647
Idler Gear....647
Connecting Rod....647
Piston, Piston Pin, Piston Rings....647
Ignition System....647
Distributor Advance Characteristics....647
Starter....647
Engine Torque Specifications....647
ENGINE SPECIFICATIONS, 631 (DEUTZ)....649
631 LOADER SPECIFICATIONS....651
OPERATIONAL & PERFORMANCE....651
ENGINE....651
LOADER HYDRAULICS....651
ELECTRICAL....651
DRIVE SYSTEM....651
CAPACITIES....651
TIRES....651
MACHINE WEIGHT....651
ENGINE SPECIFICATIONS - F2L411D, 631 (Deutz)....652
Fuel System....652
Governor, Front Cover And Throttle....652
Cylinder Head And Valves....652
Cylinder, Piston And Connecting Rod....652
Camshaft, Crankshaft, Bearings....653
Lubrication System....653
Torque Specifications (Deutz Engine)....654
Special Tools (Deutz)....654
ENGINE SPECIFICATIONS - F2L511, 631 (Deutz)....655
Fuel System....655
Governor, Front Cover And Throttle....655
Cylinder Head And Valves....655
Cylinder, Piston And Connecting Rod....655
Camshaft, Crankshaft, Bearings....656
Lubrication System....656
Torque Specifications....657
Special Tools (F2L511 Deutz)....657
ENGINE SPECIFICATIONS, 632 (FORD)....659
632 LOADER SPECIFICATIONS....661
OPERATIONAL & PERFORMANCE....661
ENGINE....661
LOADER HYDRAULICS....661
ELECTRICAL....661
DRIVE SYSTEM....661
CAPACITIES....661
TIRES....661
MACHINE WEIGHT....661
ENGINE SPECIFICATIONS, 632 (FORD)....662
Fuel Specifications....662
Fuel System....662
Engine Oil....662
Lubrication System....663
Cylinder Heads....663
Valve Mechanism....663
Camshaft....663
Crankshaft....664
Connecting Rod....664
Piston....664
Piston Pin....664
Piston Rings....664
Cylinder Block....665
Ignition System....665
Starter....665
Torque Specifications For Engine....666
Special Tools (Ford)....666
Carburetor Tool....666
TECHNICAL DATA....667
LOADER TORQUE SPECIFICATIONS....669
HYDRAULIC/HYDROSTATIC TRANSMISSION FLUID....669
Hydrostatic System Specifications....669
SPECIAL TOOLS....669
Main Frame & Hydraulic Tools....669
Hydrostatic System Tools....669
CONVERSIONS....670
U.S. To Metric Conversion....670
Decimal And Millimeter Equivalents....670
ALPHABETICAL INDEX....671
SERVICE MANUAL REVISIONS....677
630–1....677
630–2....679
630–3....681
630–4....683
630-5....685
6556536 (12-80) - 631 Owner's Manual....687
WARNINGS....688
FOREWORD....689
CONTENTS....689
631 BOBCAT LOADER IDENTIFICATION....690
OPERATING INSTRUCTIONS....691
OPERATING INSTRUCTIONS....693
CONTROLS....694
DASH PANEL....694
THROTTLE CONTROL....695
STOPPING THE ENGINE....695
STEERING CONTROLS....695
PARKING BRAKE....696
HYDRAULIC CONTROLS....696
STARTING PROCEDURE....697
Pre-Starting Inspection....697
Starting....698
Normal Starting Condition....698
Cold Temperature Starting Condition....698
BOBCAT OPERATION....699
Bucket Size....699
Installation Of Attachment....699
To Remove Attachment....700
OPERATING THE BOBCAT LOADER....700
Filling The Bucket....701
To Empty The Bucket....701
Digging....701
Leveling....702
Backfilling....702
STOPPING THE BOBCAT ....702
TRANSPORTING THE BOBCAT LOADER....702
PREVENTIVE MAINTENANCE....705
SERVICE SCHEDULE....707
ENGINE SERVICE....708
AIR CLEANER SYSTEM....708
FUEL SYSTEM....708
Fuel System Service....709
FUEL FILTER....709
REMOVING AIR FROM FUEL SYSTEM....709
ENGINE LUBRICATION SYSTEM....710
OIL SPECIFICATIONS....710
REPLACEMENT OF ENGINE OIL AND FILTER....710
ENGINE COOLING SYSTEM....711
FAN AND ALTERNATOR BELT....711
ELECTRICAL SYSTEM....711
USING AN EXTRA BATTERY....711
HYDRAULIC SYSTEM....714
HYDRAULIC/HYDROSTATIC OIL RESERVOIR....714
To Check And Add Oil....714
To remove Hydraulic Oil....714
REPLACEMENT OF HYDRAULIC FILTER....715
FINAL DRIVE TRANMISSION (CHAINCASE)....715
TIRE MAINTENANCE....715
Tire Rotation....715
LUBRICATION OF THE LOADER....716
ROLLOVER PROTECTION STRUCTURE (ROPS)....716
BOB-TACH....716
PIVOT PINS....717
AUXILIARY CONTROL LOCKBOLT....717
DELIVERY REPORT....717
THIRTY HOUR INSPECTION....717
TROUBLESHOOTING....719
TROUBLESHOOTING THE ENGINE....721
TROUBLESHOOTING THE DRIVE SYSTEM....722
TROUBLESHOOTING THE HYDRAULIC SYSTEM....723
MAJOR PARTS....725
MAIN FRAME....727
SEAT AND FUEL SYSTEM....728
DRIVE SYSTEM....729
HYDRAULIC SYSTEM....730
HYDROSTATIC SYSTEM....731
HAND CONTROLS....732
ROPS ELECTRICAL SYSTEM....733
ENGINE ELECTRICAL SYSTEM....734
ENGINE & ATTACHING PARTS....735
THROTTLE....736
DECALS....737
GENERAL INFORMATION....739
LOADER SPECIFICATIONS....741
OPERATIONAL & PERFORMANCE....741
ENGINE....741
LOADER HYDRAULICS....742
ELECTRICAL....742
DRIVE SYSTEM....742
CAPACITIES....742
TIRES....742
MACHINE WEIGHT....742
WARRANTY....743
6556732 (10-79) - 630 Owner's Manual....745
WARNINGS....746
FOREWORD....747
CONTENTS....747
630 BOBCAT LOADER IDENTIFICATION....748
OPERATING INSTRUCTIONS....749
OPERATING INSTRUCTIONS....751
CONTROLS....752
DASH PANEL....752
THROTTLE CONTROL....753
CHOKE CONTROL....753
PARKING BRAKE....753
STEERING CONTROLS....753
HYDRAULIC CONTROLS....754
STARTING PROCEDURE....755
Pre-Starting Inspection....755
Starting....755
Normal Starting Condition....756
cold Temperature Starting Condition....756
BOBCAT OPERATION....757
Bucket Size....757
Installation Of Attachment....757
Removal Of Attachment....757
OPERATION OF THE BOBCAT LOADER....757
TRANSPORTING THE BOBCAT LOADER....758
STOPPING THE BOBCAT LOADER....758
PREVENTIVE MAINTENANCE....759
SERVICE SCHEDULE....761
ENGINE SERVICE....762
AIR CLEANER SYSTEM....762
FUEL SYSTEM....762
Fuel Specifications....762
Fuel Filter....763
SPARK ARRESTOR MUFFLER....763
ENGINE LUBRICATION SYSTEM....763
USING AN EXTRA BATTERY....764
TO INSTALL A NEW BATTERY....765
IGNITION SYSTEM....766
HYDRAULIC SYSTEM....766
HYDRAULIC FILTER....767
HYDRAULIC/HYDROSTATIC RESERVOIR....767
Checking And Adding Fluid....767
Change Fluid In The Hydraulic Reservoir....767
FINAL DRIVE TRANSMISSION (CHAINCASE)....768
TIRE MAINTENANCE....768
Tire Rotation....768
LUBRICATION OF THE BOBCAT LOADER....768
BOB-TACH....769
PIVOT PINS....769
AUXILIARY CONTROL LOCKBOLT....769
DELIVERY REPORT....770
THIRTY HOUR INSPECTION....770
TROUBLESHOOTING....771
TROUBLESHOOTING THE ENGINE....773
TROUBLESHOOTING THE DRIVE SYSTEM....774
TROUBLESHOOTING THE HYDRAULIC SYSTEM....775
MAJOR PARTS....777
MAIN FRAME....779
SEAT & FUEL SYSTEM....780
DRIVE SYSTEM....781
HYDRAULIC SYSTEM....782
HYDROSTATIC SYSTEM....783
HAND CONTROLS....784
ROPS ELECTRICAL....785
ENGINE ELECTRICAL SYSTEM....786
ENGINE & ATTACHING PARTS....787
THROTTLE....788
DECALS....789
GENERAL INFORMATION....791
LOADER SPECIFICATIONS....793
OPERATIONS & PERFORMANCE....793
ENGINE....793
LOADER HYDRAULICS....794
HYDROSTATIC TRANSMISSION & FINAL DRIVE....794
CAPACITIES....794
TIRES....794
WARRANTY....795
6566573 (7-96) - 632 Operation & Maintenance Manual....797
OPERATOR SAFETY WARNINGS....799
FOREWORD....801
CONTENTS....801
OPERATING INSTRUCTIONS....803
OPERATING INSTRUCTIONS....805
CONTROLS....806
DASH PANEL....806
THROTTLE CONTROL....807
CHOKE CONTROL....807
STEERING CONTROLS....807
PARKING BRAKE....808
HYDRAULIC CONTROLS....808
STARTING PROCEDURE....809
Pre-Starting Inspection....809
Starting....809
Normal Starting Condition....810
Cold Temperature Starting Condition....810
BOBCAT OPERATION....811
Bucket Size....811
Installation Of Attachment....811
Removal Of Attachment....811
OPERATION OF THE BOBCAT LOADER....812
OPERATING PROCEDURE....812
Filling The Bucket....812
To Empty The Bucket....812
Digging....813
Leveling....813
Backfilling....813
PREVENTIVE MAINTENANCE....815
SERVICE SCHEDULE....817
ENGINE SERVICE....818
AIR CLEANER SYSTEM....818
FUEL SYSTEM....818
Fuel System Service....818
FUEL FILTER....819
ENGINE LUBRICATION SYSTEM....819
REPLACEMENT OF ENGINE OIL AND FILTER....820
ENGINE COOLOING SYSTEM....820
COOLANT LEVEL....820
REMOVING COOLANT FROM COOLING SYSTEM....820
DRIVE BELTS FOR WATER PUMP, GOVENOR AND ALTERNATOR....821
ELECTRICAL SYSTEM....821
USING AND EXTRA BATTERY....823
TO INSTALL A NEW BATTERY....824
HYDRAULIC SYSTEM....824
HYDRAULIC/HYDROSTATIC OIL RESERVOIR....825
To Check And Add Oil....825
To Remove Hydraulic Oil....825
REPLACEMENT OF HYDRAULIC FILTER....826
FINAL DRIVE TRANSMISSION (CHAINCASE)....826
TIRE MAINTENANCE....826
Tire Rotation....826
LUBRICATION OF THE LOADER....827
BOB-TACH....827
PIVOT PINS....828
AUXILIARY CONTROL LOCKBOLT....828
DELIVERY REPORT....828
THIRTY HOUR INSPECTION....828
TROUBLESHOOTING....829
TROUBLESHOOTING THE ENGINE....831
TROUBLESHOOTING THE DRIVE SYSTEM....832
TROUBLESHOOTING THE HYDRAULIC SYSTEM....833
MAJOR PARTS....835
MAIN FRAME....837
SEAT & FUEL SYSTEM....838
DRIVE SYSTEM....839
HYDRAULIC SYSTEM....840
HYDROSTATIC SYSTEM....841
HAND CONTROLS....842
ROPS ELECTRICAL....843
ENGINE ELECTRICAL SYSTEM....844
ENGINE & ATTACHING PARTS....845
DECALS....847
GENERAL INFORMATION....849
LOADER SPECIFICATIONS....851
OPERATION & PERFORMANCE....851
ENGINE....851
HYDRAULIC SYSTEM....851
HYDRAULIC CYLINDERS....852
HYDROSTATIC TRANSMISSION & FINAL DRIVE....852
ELECTRICAL....852
TIRES....852
FLUID CAPACITIES....852
WARRANTY....853
Bobcat Skid-Steer Loaders 630, 631, 632 Repair Service Manuals
