BOBCAT B900 Backhoe Loader Service Manual SN B4UB11001 PDF DOWNLOAD
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BOBCAT B900 Backhoe Loader Service Manual SN B4UB11001 PDF DOWNLOAD
Language : English
Pages : 451
Downloadable : Yes
File Type : PDF
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TABLE OF CONTENTS:
BOBCAT B900 Backhoe Loader Service Manual SN B4UB11001 PDF DOWNLOAD
MAINTENANCE SAFETY………………………………………… 3
CONTENTS…………………………………………………. 5
FOREWORD…………………………………………………. 7
FOREWORD……………………………………………… 9
SAFETY INSTRUCTIONS……………………………………. 11
Before Operation…………………………………… 11
Safe Operation Is The Operator’s Responsibility……….. 12
Safe Operation Needs A Qualified Operator…………….. 12
Fire Prevention……………………………………. 13
PUBLICATIONS AND TRAINING RESOURCES……………………… 14
SERIAL NUMBER LOCATION…………………………………. 15
Backhoe Loader Serial Number………………………… 15
Engine Serial Number……………………………….. 15
DELIVERY REPORT……………………………………….. 16
BOBCAT BACKHOE LOADER IDENTIFICATION…………………….. 17
SAFETY AND MAINTENANCE…………………………………….. 19
SERVICE SCHEDULE………………………………………. 23
Maintenance Intervals………………………………. 23
Inspection Checkbook……………………………….. 25
SECURING THE STABILIZERS IN THE RAISED POSITION…………… 27
Installing The Stabilizer Supports…………………… 27
TOWING THE BACKHOE LOADER………………………………. 29
Procedure…………………………………………. 29
TRANSPORTING THE BACKHOE LOADER ON A TRAILER……………… 31
Loading And Unloading………………………………. 31
Fastening…………………………………………. 32
STOPPING THE ENGINE AND LEAVING THE BACKHOE LOADER………… 33
Procedure…………………………………………. 33
BACKHOE LOADER STORAGE AND RETURN TO SERVICE……………… 35
Storage…………………………………………… 35
Return To Service………………………………….. 35
OPERATOR CAB………………………………………….. 37
Description……………………………………….. 37
Cab Doors…………………………………………. 37
Windshield Wiper…………………………………… 37
Side Windows………………………………………. 37
Rear Window……………………………………….. 38
EMERGENCY EXIT………………………………………… 39
Side Windows………………………………………. 39
Rear Window……………………………………….. 39
BACKHOE SWING / BOOM LOCK………………………………. 41
Locking And Unlocking The Backhoe Boom / Swing Lock……. 41
APPROVED LIFT ARM SUPPORT DEVICE………………………… 43
Description……………………………………….. 43
Installing The Approved Lift Arm Support Device……….. 43
Removing The Approved Lift Arm Support Device…………. 44
TIRE MAINTENANCE………………………………………. 45
Wheel Nuts………………………………………… 45
Rotating The Tires…………………………………. 45
Wheel Replacement………………………………….. 45
Mounting The Tires…………………………………. 45
Tire Pressure……………………………………… 45
ENGINE COVER………………………………………….. 47
Opening And Closing The Engine Cover…………………. 47
GRILL………………………………………………… 49
Removal And Installation……………………………. 49
ENGINE AIR CLEANER…………………………………….. 51
Description……………………………………….. 51
Cleaning The Outer Air Filter……………………….. 51
Replacing The Air Filters…………………………… 52
Cleaning The Air Pre-Cleaner………………………… 52
FUEL SYSTEM…………………………………………… 53
Fuel Specifications………………………………… 53
Filling The Fuel Tank………………………………. 54
Draining The Fuel Tank……………………………… 54
Fuel Filters………………………………………. 55
ENGINE LUBRICATION SYSTEM………………………………. 57
Engine Oil Chart…………………………………… 57
Checking And Adding Engine Oil………………………. 58
Removing And Replacing Oil And Filter………………… 59
ENGINE COOLING SYSTEM………………………………….. 61
Cleaning The Cooling System…………………………. 61
Checking The Coolant Level………………………….. 62
Removing And Replacing Coolant………………………. 62
HYDRAULIC SYSTEM………………………………………. 65
Hydraulic Fluid Chart………………………………. 65
Checking And Adding Hydraulic Fluid………………….. 65
Removing And Replacing The Hydraulic Filters………….. 66
Removing And Replacing The Hydraulic Fluid……………. 67
REAR DRIVE AXLE……………………………………….. 69
Cleaning The Rear Axle Breather……………………… 69
Differential………………………………………. 69
Reduction Gear…………………………………….. 70
TRANSMISSION………………………………………….. 71
Checking And Adding Oil…………………………….. 71
Removing And Replacing Oil………………………….. 71
Replacing The Filter Element………………………… 71
ALTERNATOR AND FAN BELT………………………………… 73
Belt Checking……………………………………… 73
Belt Adjustment……………………………………. 73
Belt Replacement…………………………………… 73
ATTACHMENT COUPLING SYSTEMS…………………………….. 75
Loader Attachment Coupling Inspection And Maintenance….. 75
Backhoe Attachment Coupling Inspection And Maintenance…. 75
BUCKET TEETH………………………………………….. 77
Removal And Installation……………………………. 77
LUBRICATING THE BACKHOE LOADER………………………….. 79
Lubrication Locations………………………………. 79
Lubricating The Stabilizer Wear Pads…………………. 83
HYDRAULIC SYSTEM………………………………………….. 85
HYDRAULIC / HYDROSTATIC SCHEMATICS………………………. 89
HYDRAULIC SYSTEM INFORMATION……………………………. 91
Glossary Of Hydraulic / Hydrostatic Symbols…………… 91
Troubleshooting Chart………………………………. 94
Tightening Procedures………………………………. 95
Test Point Location………………………………… 95
General Maintenance Guidelines………………………. 95
SERVICE BRAKE SYSTEM…………………………………… 97
Description……………………………………….. 97
Checking And Adding Brake Oil……………………….. 97
Air Bleeding Procedure……………………………… 97
Brake Pedal And Cylinders Removal And Installation…….. 98
STEERING WHEEL AND CONSOLE………………………………101
Removal And Installation…………………………….101
LOADER CONTROLS………………………………………..103
Removal And Installation…………………………….103
BACKHOE AND STABILIZER CONTROLS………………………….105
Removal And Installation…………………………….105
HYDRAULIC TANK…………………………………………107
Removal And Installation…………………………….107
HYDRAULIC PUMP…………………………………………109
Description………………………………………..109
Removal And Installation…………………………….109
Parts Identification………………………………..110
Disassembly And Assembly…………………………….111
Testing……………………………………………118
STEERING VALVE…………………………………………119
Removal And Installation…………………………….119
Parts Identification………………………………..120
LOADER CONTROL VALVE……………………………………121
Testing And Adjusting……………………………….121
Removal And Installation…………………………….122
Parts Identification………………………………..123
BACKHOE CONTROL VALVE…………………………………..125
Testing And Adjusting……………………………….125
Removal And Installation…………………………….126
Parts Identification………………………………..128
RETURN LINE CHECK VALVE…………………………………131
Removal And Installation…………………………….131
Parts Identification………………………………..132
MAIN RELIEF VALVE………………………………………133
Testing……………………………………………133
BACKHOE DISTRIBUTOR BLOCK……………………………….135
Removal And Installation…………………………….135
STEERING CYLINDER………………………………………137
Removal And Installation…………………………….137
Parts Identification………………………………..138
LOADER LIFT CYLINDERS…………………………………..139
Removal And Installation…………………………….139
Parts Identification………………………………..140
Disassembly And Assembly…………………………….141
LOADER TILT CYLINDERS…………………………………..145
Removal And Installation…………………………….145
Parts Identification………………………………..146
Disassembly And Assembly…………………………….147
BACKHOE SWING CYLINDERS…………………………………151
Removal And Installation…………………………….151
Parts Identification………………………………..153
Disassembly And Assembly…………………………….154
BACKHOE BOOM CYLINDER…………………………………..157
Removal And Installation…………………………….157
Parts Identification………………………………..158
Disassembly And Assembly…………………………….159
BACKHOE ARM CYLINDER……………………………………163
Removal And Installation…………………………….163
Parts Identification………………………………..164
Disassembly And Assembly…………………………….165
BACKHOE BUCKET CYLINDER…………………………………169
Removal And Installation…………………………….169
Parts Identification………………………………..170
Disassembly And Assembly…………………………….171
STABILIZER CYLINDERS……………………………………175
Removal And Installation…………………………….175
Parts Identification………………………………..176
Disassembly And Assembly…………………………….177
SIDE SHIFT LOCK CYLINDERS……………………………….181
Removal And Installation…………………………….181
DRIVE SYSTEM………………………………………………183
DRIVE SYSTEM INFORMATION………………………………..185
Troubleshooting Chart……………………………….185
GEAR SHIFT LEVER……………………………………….187
Removal And Installation…………………………….187
PARKING BRAKE………………………………………….189
Removal And Installation…………………………….189
ACCELERATOR PEDAL AND ENGINE SPEED CONTROL LEVER…………..191
Removal And Installation…………………………….191
DRIVE SHAFT……………………………………………193
Removal And Installation…………………………….193
Parts Identification………………………………..194
Disassembly And Assembly…………………………….195
TRANSMISSION…………………………………………..197
Testing……………………………………………197
Removal And Installation…………………………….198
Parts Identification………………………………..200
Disassembly And Assembly…………………………….209
FRONT AXLE…………………………………………….275
Removal And Installation…………………………….275
Parts Identification………………………………..276
REAR DRIVE AXLE………………………………………..277
Removal And Installation…………………………….277
Parts Identification………………………………..278
Disassembly And Assembly…………………………….285
Disassembly And Assembly…………………………….322
MAIN FRAME………………………………………………..323
FLOOR MAT……………………………………………..325
Removal And Installation…………………………….325
OPERATOR SEAT………………………………………….327
Removal And Installation…………………………….327
FRONT INSTRUMENT PANEL………………………………….329
Removal And Installation…………………………….329
SIDE INSTRUMENT PANEL…………………………………..331
Removal And Installation…………………………….331
FENDERS……………………………………………….333
Removal And Installation…………………………….333
REAR WINDOW……………………………………………335
Removal And Installation…………………………….335
OPERATOR CAB…………………………………………..337
Removal And Installation…………………………….337
Cab Mount Removal And Installation……………………338
COUNTERWEIGHT………………………………………….339
Removal And Installation…………………………….339
GRILL FRAME……………………………………………341
Removal And Installation…………………………….341
ENGINE COVER…………………………………………..343
Removal And Installation…………………………….343
FUEL TANK……………………………………………..345
Removal And Installation…………………………….345
LOADER………………………………………………..347
Removal And Installation…………………………….347
BACKHOE……………………………………………….349
Removal And Installation…………………………….349
SWING FRAME……………………………………………353
Removal And Installation…………………………….353
STABILIZERS……………………………………………355
Removal And Installation…………………………….355
Stabilizer Wear Pads Removal And Installation………….355
ELECTRICAL SYSTEM AND ANALYSIS………………………………357
ELECTRICAL SCHEMATICS…………………………………..359
ELECTRICAL SYSTEM INFORMATION……………………………364
Glossary Of Electrical Symbols……………………….364
Troubleshooting Chart……………………………….367
Description………………………………………..368
Fuses And Relays Location / Identification…………….368
Fuse And Relay Harness Connectors…………………….370
Cab Upper Harness Connectors…………………………371
Cab Lower Harness Connectors…………………………372
Engine Harness Connectors……………………………373
Rear Harness Connectors……………………………..374
Battery Harness Connectors…………………………..375
BATTERY……………………………………………….376
Battery Maintenance…………………………………376
Maintaining Battery Charge Level……………………..376
Battery Service During Machine Storage………………..376
Battery Testing…………………………………….377
Battery Charging……………………………………377
Using A Booster Battery (Jump Starting)……………….378
Removal And Installation…………………………….379
Adding Water To The Battery………………………….380
Battery Disconnect Switch……………………………380
ALTERNATOR…………………………………………….382
Belt Checking………………………………………382
Belt Adjustment…………………………………….382
Belt Replacement……………………………………382
FUEL LEVEL SENDER………………………………………384
Testing……………………………………………384
Removal And Installation…………………………….384
WINDSHIELD WIPER MOTOR………………………………….386
Removal And Installation…………………………….386
HORN………………………………………………….388
Removal And Installation…………………………….388
BACK-UP ALARM………………………………………….390
Removal And Installation…………………………….390
LIGHTS………………………………………………..392
Removal And Installation…………………………….392
FRONT INSTRUMENTATION…………………………………..394
Removal And Installation…………………………….394
SIDE INSTRUMENTATION……………………………………396
Removal And Installation…………………………….396
CAB FAN……………………………………………….398
Removal And Installation…………………………….398
RADIO…………………………………………………400
Removal And Installation…………………………….400
SPEAKERS………………………………………………402
Removal And Installation…………………………….402
ENGINE SERVICE…………………………………………….404
ENGINE INFORMATION……………………………………..406
Description………………………………………..406
Servicing The Engine………………………………..406
Troubleshooting Chart……………………………….407
AIR CLEANER……………………………………………410
Removal And Installation…………………………….410
EXHAUST PIPE…………………………………………..412
Removal And Installation…………………………….412
EXHAUST MUFFLER………………………………………..414
Removal And Installation…………………………….414
RADIATOR………………………………………………416
Removal And Installation…………………………….416
FAN…………………………………………………..418
Removal And Installation…………………………….418
ENGINE………………………………………………..420
Removal And Installation…………………………….420
SPECIFICATIONS…………………………………………….422
BACKHOE LOADER SPECIFICATIONS……………………………424
Machine Dimensions………………………………….424
Backhoe Rated Lift Capacity (Per SAE J31)……………..426
Capacities…………………………………………427
Loader Performance………………………………….427
Backhoe Performance…………………………………427
Controls…………………………………………..427
Engine…………………………………………….428
Hydraulic System……………………………………428
Electrical System…………………………………..428
Drive System……………………………………….429
Axles……………………………………………..429
Tires……………………………………………..429
Cab……………………………………………….429
Instrument Panel……………………………………429
Temperature Range…………………………………..429
MACHINE TORQUE SPECIFICATIONS……………………………430
Drive Line…………………………………………430
Cab……………………………………………….430
Wheels…………………………………………….430
TORQUE SPECIFICATIONS FOR BOLTS………………………….432
Torque For General SAE Bolts…………………………432
Torque For General Metric Bolts………………………433
HYDRAULIC CONNECTION SPECIFICATIONS………………………434
O-ring Face Seal Connection………………………….434
Straight Thread O-ring Fitting……………………….434
Tubelines And Hoses…………………………………434
Flare Fitting………………………………………435
O-ring Flare Fitting………………………………..436
Port Seal Fitting…………………………………..438
REGULAR MAINTENANCE ITEMS……………………………….440
Parts……………………………………………..440
Fluids, Lubricants And Fuel………………………….441
CONVERSIONS……………………………………………442
Decimal And Millimeter Equivalent Chart……………….442
U.S. To Metric Conversion Chart………………………442
SERVICE TOOLS REQUIRED………………………………….444
Mechanical Tools……………………………………444
Hydraulic Tools…………………………………….447
Electrical Tools……………………………………447
ALPHABETICAL INDEX…………………………………………448
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DESCRIPTION:
BOBCAT B900 Backhoe Loader Service Manual SN B4UB11001 PDF DOWNLOAD
FOREWORD
This manual is for the Bobcat backhoe loader mechanic. It provides necessary servicing and adjustment
procedures for the Bobcat backhoe loader and its component parts and systems. Refer to the Operation &
Maintenance Manual for operating instructions, starting procedure, daily checks, etc.
SAFETY INSTRUCTIONS
Before Operation
Carefully follow the operating and maintenance instructions in this manual.
- The Bobcat Backhoe Loader is highly maneuverable and compact. It is rugged and useful under a wide variety of conditions. This presents an operator with hazards associated with off highway, rough terrain applications, common with Bobcat Backhoe Loader usage.
- The Bobcat Backhoe Loader has an internal combustion engine with resultant heat and exhaust. All exhaust gases can kill or cause illness, so use the Backhoe Loader with adequate ventilation.
- The dealer explains the capabilities and restrictions of the Bobcat Backhoe Loader and attachments for each application. The dealer demonstrates the safe operation according to Bobcat instructional materials, which are also available to operators. The dealer can also identify unsafe modifications or use of unapproved attachments.
- The attachments and buckets are designed for a Rated Operating Capacity (some have restricted lift heights) or Rated Lift Capacity. They are designed for secure fastening to the Bobcat Backhoe Loader. The user must check with the dealer or Bobcat literature to determine safe loads of materials of specified densities for the machine-attachment combination.
The following publications and training materials provide information on the safe use and maintenance of the Bobcat machine and attachments:
PLEASE NOTE:
- This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
- You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
- Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted
G.P
