Bobcat A770 All-Wheel Steer Loader Workshop Service Repair Manual + Operation & Maintenance Manual PDF Download - MBOBCA770OPEK.zip
A full-service repair guide for the Bobcat A770 All-Wheel Steer Loader, complete with wiring schematics, containing every technical detail needed to maintain, troubleshoot, fix, and service the machine the way a professional technician would.
The workshop service and repair manual for the Bobcat A770 All-Wheel Steer Loader covers:
* 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.
6989479 (3-11) - A770 All-Wheel Steer Loader Operation & Maintenance Manual.pdf
6989479 (12-10) - A770 All-Wheel Steer Loader Operation & Maintenance Manual.pdf
6989480 (1-11) - A770 All-Wheel Steer Loader Service Manual.pdf
6989480 (11-12) - A770 All-Wheel Steer Loader Service Manual.pdf
6990114 (3-11) - A770 All-Wheel Steer Loader Operation & Maintenance Manual.pdf
6990115 (09-11) - A770 All-Wheel Steer Loader Service Manual.pdf
6990245 (06-12) - A770 All-Wheel Steer Loader Service Manual.pdf
PRODUCT DETAILS:
Total Pages: 4,332 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
TABLE CONTENTS
FOREWORD. . . II
SAFETY INSTRUCTIONS . .. . V
FIRE PREVENTION . . VII
SERIAL NUMBER LOCATION . .. IX
DELIVERY REPORT. X
BOBCAT LOADER IDENTIFICATION. . .XI
SAFETY & MAINTENANCE . .10-01
HYDRAULIC SYSTEM . .. . 20-01
HYDROSTATIC SYSTEM . .. . 30-01
DRIVE SYSTEM . 40-01
MAINFRAME. . 50-01
ELECTRICAL SYSTEM ANALYSIS . . . 60-01
ENGINE SERVICE . .. 70-01
HEATING, VENTILATION, AIR CONDITIONING . .. 80-01
SPECIFICATIONS. .. . . SPEC-01
…
CONTENTS
FOREWORD. . . . II
SAFETY INSTRUCTIONS . . . . V
FIRE PREVENTION . VII
SERIAL NUMBER LOCATIONS . . IX
DELIVERY REPORT. . X
LOADER IDENTIFICATION . . .XI
SAFETY AND MAINTENANCE. . 10-01
HYDRAULIC SYSTEM . . . . 20-01
HYDROSTATIC SYSTEM . . . . 30-01
DRIVE SYSTEM . . 40-01
MAINFRAME. . . 50-01
ELECTRICAL SYSTEM & ANALYSIS. . . . 60-01
ENGINE SERVICE . . . . . 70-01
HEATING, VENTILATION, AIR CONDITIONING . . . . 80-01
SPECIFICATIONS. . . . . SPEC-01
6989479 (12-10) - A770 All-Wheel Steer Loader Operation & Maintenance Manual....2
OPERATOR SAFETY WARNINGS....4
CONTENTS....6
FOREWORD....8
BOBCAT COMPANY IS IS0 9001 CERTIFIED....10
REGULAR MAINTENANCE ITEMS....10
SERIAL NUMBER LOCATIONS....11
Loader Serial Number....11
Engine Serial Number....11
DELIVERY REPORT....11
LOADER IDENTIFICATION....12
FEATURES, ACCESSORIES AND ATTACHMENTS....13
Standard Items....13
Options And Accessories....13
Buckets Available....14
Attachments....14
High-Flow Attachments....14
Special Applications Kit....15
Special Applications Kit Inspection And Maintenance....15
Forestry Door And Window Kit....16
Forestry Door And Window Kit Inspection And Maintenance....16
SAFETY & TRAINING RESOURCES....18
SAFETY INSTRUCTIONS....20
Before Operation....20
Safe Operation Is The Operator?s Responsibility....21
Safe Operation Needs A Qualified Operator....21
Avoid Silica Dust....22
FIRE PREVENTION....22
Maintenance....22
Operation....22
Electrical....22
Hydraulic System....23
Fueling....23
Starting....23
Spark Arrestor Exhaust System....23
Welding And Grinding....23
Fire Extinguishers....23
PUBLICATIONS AND TRAINING RESOURCES....24
MACHINE SIGNS (DECALS)....25
No-Text Safety Signs....28
OPERATING INSTRUCTIONS....30
INSTRUMENT PANEL IDENTIFICATION....34
Overview....34
Left Panel....35
Display Screen....37
Right Panel (Standard Key Panel)....37
Right Panel (Keyless Start Panel)....38
Right Panel (Deluxe Instrumentation Panel)....39
Left Switch Panel....41
Right Switch Panel....41
Left Side Lower Panel....42
Right Side Lower Panel....42
Radio....43
CONTROL IDENTIFICATION....45
Standard Controls....45
OPERATOR CAB....46
Description....46
Cab Light....46
Door Operation....46
Front Wiper....47
Side Windows....47
SEAT BAR RESTRAINT SYSTEM....48
Operation....48
BOBCAT INTERLOCK CONTROL SYSTEM (BICS)....49
Operation....49
LIFT ARM BYPASS CONTROL....50
Operation....50
PARKING BRAKE....50
Operation....50
STEERING MODE SELECTION....51
Operation....51
TRACTION LOCK OVERRIDE....51
Operation....51
ENGINE SPEED CONTROL....52
Operation....52
EMERGENCY EXIT....53
External Access....53
Rear Window....53
Front Door....53
BACK-UP ALARM SYSTEM....55
Description....55
Operation....55
DRIVING AND STEERING THE LOADER....56
All-Wheel Steer Mode....56
Stopping The Loader (All-Wheel Steer Mode)....56
Skid-Steer Mode....57
Stopping The Loader (Skid-Steer Mode)....57
TWO-SPEED CONTROL....58
Description....58
Operation....58
SPEED MANAGEMENT....59
Operation....59
Changing The Factory Default Setting....60
DRIVE RESPONSE....61
Description....61
Operation....61
STEERING DRIFT COMPENSATION....63
Description....63
Operation....63
HYDRAULIC CONTROLS....65
Description....65
Lift Arm Operation....65
Lift Arm Float Position....65
Tilt Operation....65
Hydraulic Bucket Positioning....66
FRONT Auxiliary Hydraulics Operation....66
FRONT Auxiliary Hydraulics Operation (CONTINUOUS FLOW)....67
FRONT Auxiliary Hydraulics Operation (REVERSE CONTINUOUS FLOW)....67
REAR Auxiliary Hydraulics Operation....68
High-Flow Hydraulics Operation....69
Quick Couplers....69
Relieve Auxiliary Hydraulic Pressure (Loader And Attachment)....70
ATTACHMENT CONTROL DEVICE (ACD)....71
Description....71
DAILY INSPECTION....72
Daily Inspection And Maintenance....72
PRE-STARTING PROCEDURE....74
Entering The Loader....74
Operation & Maintenance Manual And Operator?s Handbook Locations....74
Seat Adjustment....75
Joystick Position Adjustment....76
Seat Belt Adjustment....76
Seat Bar....76
STARTING THE ENGINE....77
Standard Key Panel....77
Keyless Start Panel....79
Deluxe Instrumentation Panel....81
Cold Temperature Starting....83
Warming The Hydraulic / Hydrostatic System....83
MONITORING THE DISPLAY PANELS....84
Left Panel....84
Warning And Shutdown....84
STOPPING THE ENGINE AND LEAVING THE LOADER....85
Procedure....85
COUNTERWEIGHTS....86
Description....86
Effect On The Loader And Loader Operation....86
When To Consider Using Counterweights....86
When To Consider Removing Counterweights....86
Accessories That Affect Machine Weight....86
ATTACHMENTS....87
Choosing The Correct Bucket....87
Pallet Fork....87
Installing And Removing The Attachment (Hand Lever Bob-Tach)....88
Installing And Removing The Attachment (Power Bob-Tach)....90
OPERATING PROCEDURE....94
Inspect The Work Area....94
Basic Operating Instructions....94
Driving On Public Roads....94
Operating With A Full Bucket....95
Operating With An Empty Bucket....95
Filling And Emptying The Bucket....96
Leveling The Ground Using Float....97
Digging And Filling A Hole....98
TOWING THE LOADER....99
Procedure....99
LIFTING THE LOADER....99
Single-Point Lift....99
Four-Point Lift....100
TRANSPORTING THE LOADER ON A TRAILER....101
Loading And Unloading....101
Fastening....101
PREVENTIVE MAINTENANCE....102
MAINTENANCE SAFETY....106
SERVICE SCHEDULE....108
Chart....108
BOBCAT INTERLOCK CONTROL SYSTEM (BICS)....109
Inspecting The BICS (Engine STOPPED - Key ON)....109
Inspecting Deactivation Of The Auxiliary Hydraulics System (Engine STOPPED - Key ON)....109
Inspecting The Seat Bar Sensor (Engine RUNNING)....109
Inspecting The Traction Lock (Engine RUNNING)....109
Inspecting The Lift Arm Bypass Control....109
Inspecting Deactivation Of Lift And Tilt Functions....109
SEAT BAR RESTRAINT SYSTEM....110
Description....110
Inspecting....110
Maintaining....110
SEAT BELT....111
Inspection And Maintenance....111
LIFT ARM SUPPORT DEVICE....112
Installing....112
Removing....113
BACK-UP ALARM SYSTEM....114
Description....114
Inspecting....114
OPERATOR CAB....115
Description....115
Raising....115
Lowering....116
Cab Door Sensor....117
REAR DOOR (TAILGATE)....118
Opening And Closing....118
Adjusting....118
REAR GRILLE....119
Removing....119
Installing....119
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)....120
Cleaning And Maintenance....120
Filters....120
Evaporator / Heater Coil....120
Condenser....121
Air Conditioning Lubrication....121
Troubleshooting....121
AIR CLEANER SERVICE....121
Replacing Filter Elements....121
FUEL SYSTEM....123
Fuel Specifications....123
Biodiesel Blend Fuel....123
Filling The Fuel Tank....124
Fuel Filter....125
Removing Air From The Fuel System....125
ENGINE LUBRICATION SYSTEM....126
Checking And Adding Engine Oil....126
Engine Oil Chart....126
Removing And Replacing Oil And Filter....127
ENGINE COOLING SYSTEM....128
Maintenance Platform....128
Cleaning....128
Checking Level....130
Removing And Replacing Coolant....130
ELECTRICAL SYSTEM....131
Description....131
Fuse And Relay Location / Identification....131
Battery Maintenance....133
Using A Booster Battery (Jump Starting)....134
Removing And Installing Battery....135
HYDRAULIC / HYDROSTATIC SYSTEM....136
Checking And Adding Fluid....136
Hydraulic / Hydrostatic Fluid Chart....136
Removing And Replacing Hydraulic Fluid....137
Removing And Replacing Hydraulic / Hydrostatic Filter....139
Removing And Replacing Steering Filter....140
Removing And Replacing Hydraulic Charge Filter....141
Breather Cap....142
SPARK ARRESTER MUFFLER....143
Cleaning Procedure....143
TIRE MAINTENANCE....144
Wheel Nuts....144
Rotating....144
Mounting....144
FINAL DRIVE TRANSMISSION (CHAINCASE)....145
Checking And Adding Oil....145
Removing And Replacing Oil....145
ALTERNATOR BELT....146
Belt Adjustment....146
Belt Replacement....146