Bobcat 943 953 963 970 M970 974 975 980 Loaders Workshop Repair Service & Operation Maintenance Manual PDF - MBOB900OPEK.zip
A full-service repair manual featuring complete electrical wiring schematics for the Bobcat 943, 953, 963, 970, M970, 974, 975, and 980 Loaders, containing everything needed to service, troubleshoot, fix, and overhaul these machines the way trained technicians do.
The factory workshop service and repair manual for Bobcat Loaders 943, 953, 963, 970, M970, 974, 975, and 980 provides:
* 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.
MANUAL LIST:
6545555 (12-82) - Model 970 Loader Diesel Gasoline Owner's Manual.pdf
6545690 (5-85) - M970 (Gasoline & Diesel) Service Manual.pdf
6545690 (6-12) - M970 (Diesel & Gasline) Service Manual.pdf
6556214 (6-12) - 974, 975 Service Manual.pdf
6556214 (11-85) - 974, 975 Service Manual.pdf
6570001 (8-96) - 943 Operation & Maintenance Manual.pdf
6570008 (4-86) - 943 Service Manual.pdf
6570008 (6-12) - 943 Service Manual.pdf
6570157 (2-96) - 974, 975 Operation & Maintenance Manual.pdf
6570340 (2-96) - 980 Operation & Maintenance Manual.pdf
6570341 (2-87) - 980 Service Manual.pdf
6570341 (6-12) - 980 Service Manual.pdf
6570615 (4-96) - 943 Operation & Maintenance Manual.pdf
6724087 (9-98) - 953 Operation & Maintenance Manual.pdf
6724352 (6-12) - 953 Service Manual.pdf
6724352 (11-95) - 953 Service Manual.pdf
6724543 (7-98) - 963 Operation & Maintenance Manual.pdf
6724545 (6-12) - 963 Service Manual.pdf
6724545 (11-97) - 963 Service Manual.pdf
6900792 (9-00) - 963 Operation & Maintenance Manual.pdf
6900878 (2-01) - 963 Operation & Maintenance Manual.pdf
6900988 (3-06) - 963 Service Manual.pdf
6900988 (6-12) - 963 Service Manual.pdf
Total Pages: 6,211 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
CONTENTS
FOREWORD . . ii
SAFETY INSTRUCTIONS . . v
SERIAL NUMBER LOCATIONS . . vii
DELIVERY REPORT . . vii
BOBCAT LOADER IDENTIFICATION . . viii
PREVENTIVE MAINTENANCE . . 1–1
HYDRAULIC SYSTEM . . 2–1
HYDROSTATIC SYSTEM . . 3–1
DRIVE SYSTEM . . 4–1
MAIN FRAME . . 5–1
ELECTRICAL SYSTEM . . 6–1
ENGINE SERVICE . . 7–1
SYSTEM ANALYSIS . . 8–1
SPECIFICATIONS . . 9–1
ADVANCED HAND CONTROL SYSTEM . . 10–1
...
CONTENTS
FOREWORD . . ii
SAFETY INSTRUCTIONS . . v
SERIAL NUMBER LOCATIONS . . vii
DELIVERY REPORT . . vii
BOBCAT LOADER IDENTIFICATION . . viii
PREVENTIVE MAINTENANCE . . 1–1
HYDRAULIC SYSTEM . . 2–1
HYDROSTATIC SYSTEM . . 3–1
DRIVE SYSTEM . . 4–1
MAIN FRAME . . 5–1
ELECTRICAL SYSTEM . . 6–1
ENGINE SERVICE . . 7–1
BICS™ SYSTEM . . 8–1
SPECIFICATIONS . . 9–1
...
CONTENTS
SERIAL NUMBER LOCATIONS . . i
DELIVERY REPORT . . i
BOBCAT LOADER IDENTIFICATION . . ii
PREVENTIVE MAINTENANCE . . 1–1
HYDRAULIC SYSTEM . . 2–1
HYDROSTATIC SYSTEM . . 3–1
DRIVE SYSTEM . . 4–1
MAIN FRAME . . 5–1
ELECTRICAL SYSTEM . . 6–1
ENGINE SERVICE . . 7–1
TECHNICAL DATA . . 8–1
…
MAINTENANCE SAFETY...3
ALPHABETICAL INDEX...5
CONTENTS...7
FOREWORD...8
SAFETY INSTRUCTIONS...11
FIRE PREVENTION...12
SERIAL NUMBER LOCATIONS...13
LOADER SERIAL NUMBER...13
ENGINE SERIAL NUMBER...13
DELIVERY REPORT...13
963 BOBCAT LOADER IDENTIFICATION...14
PREVENTIVE MAINTENANCE...15
SERVICE SCHEDULE...17
LIFTING AND BLOCKING THE LOADER...18
Procedure...18
TRANSPORTING THE LOADER...19
Procedure...19
TOWING THE LOADER...20
Procedure...20
LIFT ARM SUPPORT DEVICE...21
Engaging The Lift Arm Support Device...21
Disengaging The Lift Arm Support Device...22
OPERATOR CAB...23
Description...23
Raising The Operator Cab...23
Lowering The Operator Cab...24
Emergency Exit...25
SEAT BAR RESTRAINT SYSTEM...26
Description...26
Inspecting The Seat Bar...26
Maintaining The Seat Bar...26
AIR CLEANER SERVICE...27
Replacing Filter Elements...27
FUEL SYSTEM...29
Fuel Specifications...29
Filling The Fuel Tank...29
Fuel Filters...30
Removing Air From The Fuel System...30
ENGINE LUBRICATION SYSTEM...31
Checking Engine Oil...31
Replacing The Oil And Filter...31
ENGINE COOLING SYSTEM...32
Checking The Coolant Level...32
Cleaning The Cooling System...32
Replacing The Coolant...33
ALTERNATOR BELT...34
Adjusting The Alternator Belt...34
HYDRAULIC/HYDROSTATIC SYSTEM...35
Checking And Adding Fluid...35
Hydraulic/Hydrostatic Filter Replacement...35
Replacing The Hydraulic Fluid...36
SPARK ARRESTOR MUFFLER...37
Cleaning Procedure...37
TIRE MAINTENANCE...38
Wheel Nuts...38
Tire Rotation...38
Tire Mounting...38
FINAL DRIVE TRANSMISSION (CHAINCASE)...39
Checking And Adding Oil...39
FAN GEARBOX...39
Checking And Maintaining...39
LUBRICATING THE LOADER...40
Procedure...40
BOB?TACH...42
Inspection And Maintenance...42
REMOTE START SWITCH...43
Procedure...43
HYDRAULIC SYSTEM...45
HYDRAULIC / HYDROSTATIC SCHEMATICS...48
TROUBLESHOOTING...55
HYDRAULIC SYSTEM INFORMATION...56
Tighten Procedures...56
LIFT CYLINDER...57
Checking the Lift Cylinder(s)...57
Removal and Installation...57
TILT CYLINDER...60
Checking The Tilt Cylinder(s)...60
Removal And Installation...61
HYDRAULIC CYLINDER...64
Lift Cylinder Parts Identification...64
Tilt Cylinder Parts Identification...65
Disassembly...66
Assembly...68
TILT JUNCTION BLOCK...71
Removal And Installation...71
MAIN RELIEF VALVE...73
Checking Main Relief Valve At Front Auxiliary Hydraulics...73
Checking Main Relief Valve At Control Valve...75
Removal And Installation...77
Adjustment...77
BICS? VALVE...79
Lift Arm By?Pass Orifice...79
Lock Valve...80
Check Valve...81
BICS? Valve Solenoid...82
BICS Valve Removal And Installation...83
HYDRAULIC CONTROL VALVE...84
Removal And Installation...84
Identification Chart...86
Disassembly And Assembly...87
Load Check Valve...87
Main Relief Valve...88
Port Relief Valve (Lift Section)...89
Anti?Cavitation/Port Relief Valve...90
Anti?Cavitation Valve...91
Port Relief Valve (Tilt Section)...92
Rubber Boot...93
Lift Spool And Detent...94
Tilt Spool And Centering Spring...98
Auxiliary Spool...99
Auxiliary Electric Solenoid...100
H?Port ? Auxiliary Section...101
Inspection...101
Spool Seal Installation...102
LIFT ARM BY?PASS CONTROL VALVE...103
Removal And Installation...103
Disassembly And Assembly...103
BUCKET POSITION VALVE...104
Removal And Installation...104
Disassembly And Assembly...105
HYDRAULIC PUMP...107
Checking the Output of the Pump...107
Removal And Installation...108
Disassembly And Assembly...110
Inspection...113
HYDRAULIC/HYDROSTATIC FILTER...114
Removal And Installation...114
HYDRAULIC FLUID RESERVOIR...115
Draining The Hydraulic Fluid Reservoir...115
Removal And Installation...115
CONTROL PEDALS...117
Removal And Installation...117
Pedal Adjustment...117
PEDAL INTERLOCK LINKAGE...118
Removal And Installation...118
Adjustment...119
FRONT SIDE PANEL...119
Removal and Installation...119
CONTROL PEDALS MOUNTING PANEL...120
Removal and Installation...120
HYDROSTATIC SYSTEM...123
TROUBLESHOOTING...125
HYDROSTATIC SYSTEM INFORMATION...126
Replenishing Valve Function...126
Checking The Charge Pressure...126
CONTROL PANEL...127
Removal And Installation...127
STEERING LEVERS...130
Disassembly And Assembly...130
STEERING LINKAGE...134
Neutral Adjustment...134
HYDROSTATIC CONTROLLER...136
Removal and Installation...136
Disassembly and Assembly...138
Adjustment...141
HYDROSTATIC MOTOR...142
Removal and Installation...142
Throttle Control...144
Shuttle Check Valve...144
Flushing Valve...145
Disassembly...146
Inspection...149
Assembly...151
HYDROSTATIC PUMP...156
Removal And Installation...156
Hydraulic Pump Removal And Installation...157
Replenishing/High Pressure Relief Valve...158
Charge Relief Valve...159
DA Controller...159
Disassembly...160
Inspection...168
Assembly...171
Hydrostatic Pump Start?Up...181
Timing Procedure...182
DRIVE BELT BELT SHIELD...184
Removal And Installation...184
DRIVE BELT...185
Replacing The Drive Belt...185
Adjusting The Drive Belt...185
DRIVE BELT TENSIONER PULLEY...186
Removal And Installation...186
Tension Spring...187
Disassembly And Assembly...188
Pivot Shaft...189
DRIVE BELT IDLER PULLEY...190
Removal And Installation...190
HYDROSTATIC MOTOR COVER...191
Removal And Installation...191
OIL COOLER...192
Removal And Installation...192
DRIVE SYSTEM...193
PARKING BRAKE PEDAL...195
Removal And Installation...195
Disassembly And Assembly...196
BRAKE/TWO SPEED BLOCK...197
Removal And Installation...197
Disassembly And Assembly...199
PARKING BRAKE ...201
Removal And Installation...201
Disassembly And Assembly...202
AXLE SEAL...205
Removal And Installation...205
AXLE, BEARINGS AND SPROCKET...208
Removal And Installation...208
DRIVE CHAINS...213
Removal And Installation...213
FRONT CHAINCASE COVER...214
Removal And Installation...214
REAR CHAINCASE COVER...214
Removal and Installation...214
REDUCTION GEARCASE...215
Removal And Installation...215
Disassembly And Assembly...218
CHAINCASE FLUID...227
Removing The Fluid From The Chaincase...227
MAIN FRAME...229
SEAT BAR...231