Caterpillar 12G 120G 130G 140G Motor Grader Workshop Repair Manual PDF 3PL 3WC 61M 11W 1LK 4HD 12W 13W 5MD 72V - MCAT12G140GOPES.zip
A full workshop service and repair manual featuring complete electrical wiring schematics for the Caterpillar 12G, 120G, 130G, and 140G Motor Graders. This is the identical dealer-level manual, assured to be complete and in perfect working order with no pages absent.
The Caterpillar 12G, 120G, 130G, and 140G Motor Graders service and repair guide (covering upkeep, overhaul, teardown and reassembly, adjustments, tune-ups, operation, inspections, fault finding and troubleshooting, and more) is organized into separate sections. Every section focuses on one particular component or system and includes thorough illustrations. A table of contents appears at the start of each section. Pages can be located quickly by category, and each one can be zoomed for excellent clarity. The print-ready PDF files perform flawlessly across all device types.
MOTOR GRADER
Model Prefix
12G MOTOR GRADER 3PL
12G MOTOR GRADER 3WC
12G MOTOR GRADER 61M
12G RIPPER SCARIFIER 26V
120G MOTOR GRADER 11W
120G MOTOR GRADER 1LK
120G MOTOR GRADER 4HD
120G MOTOR GRADER 82V
120G MOTOR GRADER 87V
130G MOTOR GRADER 12W
130G MOTOR GRADER 74V
130G MOTOR GRADER 7GB
130G RIPPER SCARIFIER 26V
140 GC MOTOR GRADER W92
140 GC MOTOR GRADER W93
140 GC MOTOR GRADER W94
140 GC MOTOR GRADER W95
140 GC MOTOR GRADER W9E
140G MOTOR GRADER 13W
140G MOTOR GRADER 5MD
140G MOTOR GRADER 72V
140G MOTOR GRADER 81V
140G RIPPER SCARIFIER 26V
M103669 - Systems Operation (140 GC Motor Grader Systems).pdf
M103669 - Testing and Adjusting (140 GC Motor Grader Systems).pdf
M104785 - Disassembly and Assembly (140 GC Motor Grader Engine Supplement).pdf
M104786 - Disassembly and Assembly (140 GC Motor Grader Machine Systems).pdf
M104787 - Disassembly and Assembly (140 GC Motor Grader Power Train).pdf
M106256 - Specifications (140 GC Motor Graders).pdf
M107533 - Schematic (140 GC Motor Grader Electrical System (Interactive), Cab and Front Frame Wiring 533-6207-00, Chassis and Engine Wiring 533-6207-00(For Serial Numbers W921-UP)).pdf
M107987 - Troubleshooting (140 GC Motor Grader).pdf
M110757 - Schematic (140 GC Motor Grader Hydraulic System (Interactive) (Function Isolation), 560-9316-01 (For Serial Numbers W921-UP W9E1-UP)).pdf
REG1471 - Systems Operation (16G Motor Graders Air System & Brakes).pdf
REG1471 - Testing & Adjusting (16G Motor Graders Air System & Brakes).pdf
REG1499 - Specifications (12G & 14G Motor Graders Air System & Brakes).pdf
REG1576 - Systems Operation (12G, 130G & 140G Motor Graders Hydraulic System & Steering).pdf
REG1576 - Testing & Adjusting (12G, 130G & 140G Motor Graders Hydraulic System & Steering).pdf
REG1577 - Specifications (12G, 130G, 140G Motor Graders Hydraulic System & Steering).pdf
REG1580 - Systems Operation (12G, 120G, 130G & 140G Motor Graders Power Train).pdf
REG1580 - Testing & Adjusting (12G, 120G, 130G & 140G Motor Graders Power Train).pdf
REG1581 - Testing & Adjusting (12G, 120G. 130G, 140G Motor Graders).pdf
REG1582 - Specifications (12G, 120G, 130G & 140G Motor Graders Power Train).pdf
SENR2122 - Schematic (12G, 130G & 140G Motor Graders Hydraulic System).pdf
SENR2504 - Disassembly & Assembly (12G, 14G, 16G, 120G, 130G & 140G Motor Graders Operator's St...).pdf
SENR3010 - Schematic (12G, 130G & 140G Motor Graders Hydraulic System).pdf
SENR3488 - Specifications (12G, 120G, 130G & 140G Motor Graders Hydraulic System & Steer...).pdf
SENR3489 - Systems Operation (12G, 120G, 130G Motor Graders Hyd. System & Steering).pdf
SENR3489 - Testing & Adjusting (12G, 120G, 130G Motor Graders Hyd. System & Steering).pdf
SENR3555 - Specifications (12G, 120G, 130G & 140G Motor Graders Power Train).pdf
SENR3556 - Systems Operation (12G, 120G, 130G & 140G Motor Graders Power Train).pdf
SENR3556 - Testing & Adjusting (12G, 120G, 130G & 140G Motor Graders Power Train).pdf
SENR3557 - Testing & Adjusting (12G, 120G, 130G & 140G Motor Graders Power Shift Transmission).pdf
SENR3605 - Systems Operation (12G, 14G & 16G Motor Graders Air System And Brakes).pdf
SENR3605 - Testing & Adjusting (12G, 14G & 16G Motor Graders Air System And Brakes).pdf
SENR3649 - Disassembly & Assembly (12G, 120G, 130G & 140G Motor Graders Power Train).pdf
SENR3650 - Disassembly & Assembly (12G, 120G, 130G & 140G Motor Grader Vehicle Systems).pdf
SENR3651 - Schematic (12G, 120G, 130G & 140G Motor Graders Electrical System).pdf
SENR7142 - Disassembly & Assembly (12G, 130G & 140G Motor Graders Vehicle Systems).pdf
SENR7186 - Disassembly & Assembly (12G, 130G & 140G Motor Grader Power Train).pdf
SENR7215 - Testing & Adjusting (12G, 130G Motor Graders).pdf
Total Pages: 3,171 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
M103669 - Systems Operation (140 GC Motor Grader Systems)....4
Blade Cushion - If Equipped....6
Brake Accumulator....10
Brake Control Valve (Service)....13
Centershift Lock....20
Control Manifold (Brake)....24
Control Valve (Implement)....27
Electronic Control (Brake System)....34
Electronic Control (Fan Hydraulic System)....42
Electronic Control (HVAC System)....48
Electronic Control (Power Train System)....54
Electronic Control (Steering System)....65
Final Drive and Tandem Drive....74
Gear Motor (Hydraulic Fan)....76
General Information (Brake System)....79
General Information (Fan Hydraulic System)....82
General Information (HVAC System)....85
General Information (Hydraulic System)....87
General Information (Power Train System)....90
General Information (Steering System)....92
Graphic Color Codes....94
HVAC System....96
Hydraulic Oil Cooler (Hydraulic System)....100
Hydraulic System....101
Hydraulic Tank....104
Location of Components (Brake System)....106
Location of Components (Fan Hydraulic System)....111
Location of Components (HVAC System)....116
Location of Components (Hydraulic System)....126
Location of Components (Power Train System)....136
Location of Components (Steering System)....149
Oil Cooler (Brake)....153
Oil Filter (Hydraulic Return)....154
Parking Brake System....156
Piston Pump (Implement)....164
Power Train System....166
Pump Control Operation....172
Schematic (Hydraulic Fan)....180
Secondary Steering System....183
Service Brakes....185
Steering Control Valve....190
Transmission Charge Pump....197
Transmission Hydraulic Control....198
Transmission Lubrication - Remote Transmission Filter....201
Wheel Group....202
M103669 - Testing and Adjusting (140 GC Motor Grader Systems)....203
Accumulator (Blade Cushion) - Test and Charge....204
Axle Toe-In (Front) - Adjust....208
Bearing End Play (Piston Pump) - Adjust....211
Brake Accumulator (Service) - Test and Charge....212
Brake Accumulator Charging Valve - Check....216
Brake Control Valve (Service) - Check....221
Brake Disc Wear - Check....225
Brake System Air - Purge....228
Calibration....231
Cylinder Cycle Time - Check....233
Disc Pack Preload for Circle Drive - Adjust....237
Drive Chain - Check....241
Final Drive Oscillation Joint End Play - Check....244
Hydraulic Cylinder Drift - Check....248
Hydraulic Fan Speed - Test....251
Machine Preparation....256
Parking Brake - Test....261
Position Sender (Articulation) - Adjust....263
Pressure Tap Locations....267
Pump Control Valve (Implement, Steering) - Test and Adjust....271
Pump Efficiency (Piston Pumps) - Test....281
Relief Valves (Implement) - Test and Adjust....284
Service Brake System Pressure - Test....289
Service Brakes - Test....293
Steering System - Purge....296
System Pressure - Release....299
Tandem - Check....300
Transmission Lubrication Oil Pressure - Test....303
Transmission Pressures - Test....307
M104785 - Disassembly and Assembly (140 GC Motor Grader Engine Supplement)....312
Aftercooler - Remove and Install....313
Air Cleaner - Remove and Install....315
Air Compressor - Remove and Install....319
Alternator - Remove and Install....326
Battery - Remove and Install....330
Belt Tensioner - Remove and Install....333
Cooling System Package (Radiator, Aftercooler, Hydraulic Oil Cooler) - Remove and Install....337
Crankshaft Front Seal - Remove and Install....343
Electric Starting Motor - Remove and Install....347
Electronic Control Module (Engine) - Remove and Install....349
Engine - Remove and Install....352
Engine Enclosure (Hood) - Remove and Install....373
Engine Oil Filter Base and Oil Cooler - Remove and Install....388
Engine Support (Front) - Remove and Install....398
Fan - Remove and Install....404
Fuel Filter (Secondary) and Fuel Filter Base - Remove and Install....405
Muffler - Remove and Install....407
Radiator - Remove and Install....409
Refrigerant Compressor - Remove and Install....413
Refrigerant Condenser - Remove and Install....417
Removal Procedure....420
Turbocharger - Remove and Install....422
Valve Cover - Remove and Install....429
Vibration Damper and Pulley - Remove and Install....433
Water Pump - Remove and Install....437
Water Separator and Fuel Filter (Primary) - Remove and Install....448
Water Temperature Regulator - Remove and Install....452
M104786 - Disassembly and Assembly (140 GC Motor Grader Machine Systems)....455
Accumulator (Blade Cushion) - Remove and Install....458
Air Tank - Remove and Install....462
Articulation Cylinder - Assemble....465
Articulation Cylinder - Disassemble....471
Articulation Cylinder - Remove and Install....477
Bank Valve - Assemble - Bank Valve with Mechanical Detent....481
Bank Valve - Disassemble - Bank Valve with Mechanical Detent....488
Bank Valve - Remove and Install....495
Blade - Remove and Install....516
Blade Lift Arm - Remove and Install....524
Blade Lift Cylinder - Remove and Install....538
Blade Tip Cylinder - Remove and Install....544
Blower Motor (Air Conditioner and Heater) - Remove and Install....547
Bottom Guard - Remove and Install....555
Brake Accumulator - Remove and Install....557
Centershift Cylinder - Remove and Install....560
Centershift Lock - Assemble....565
Centershift Lock - Disassemble....569
Centershift Lock - Remove and Install....573
Centershift Lock Bar and Bushings - Remove and Install....581
Charging Valve - Remove and Install....594
Circle - Remove and Install....598
Circle Drive - Remove and Install....615
Combination Valve - Assemble....619
Combination Valve - Disassemble....627
Combination Valve - Remove and Install....635
Control Valve (Brake) - Assemble....642
Control Valve (Brake) - Disassemble....644
Control Valve (Brake) - Remove and Install....646
Control Valve (Fan Brake) - Remove and Install....649
Control Valve (Parking Brake) - Remove and Install....652
Drawbar - Remove and Install....656
Electrical Converter - Remove and Install....682
Electronic Control Module (Power Train) - Remove and Install....684
Electronic Control Module (Product Link) - Remove and Install....687
Electronic Control Module - Remove and Install - Cellular Radio....689
Electronic Control Module - Remove and Install - Machine....691
Evaporator Coil and Heater Coil - Remove and Install....693
Fan and Gear Motor (Hydraulic Fan) - Remove and Install....702
Fender - Remove and Install....708
Front Axle - Remove and Install....710
Front Frame from Rear Frame (Articulating Hitch) - Separate....716
Front Frame to Rear Frame (Articulating Hitch) - Connect....750
Fuel Tank - Remove and Install....783
Gear Motor (Hydraulic Fan) - Assemble....793
Gear Motor (Hydraulic Fan) - Disassemble....798
Gear Motor (Hydraulic Fan) - Remove and Install....802
Gear Pump (Brake, Hydraulic Fan) - Assemble....805
Gear Pump (Brake, Hydraulic Fan) - Disassemble....809
Gear Pump (Brake, Hydraulic Fan) - Remove and Install....813
Gerotor Motor (Circle Drive) - Remove and Install....817
Governor Control - Remove and Install....820
Guards - Remove and Install....822
Hydraulic Oil Cooler - Remove and Install....824
Hydraulic Tank and Filter - Remove and Install....827
Metering Pump (Steering) - Remove and Install....834
Piston Pump (Hydraulic and Steering) - Assemble....848
Piston Pump (Hydraulic and Steering) - Disassemble....857
Piston Pump (Hydraulic and Steering) - Remove and Install....866
Pressure Reducing Valve (Centershift Lock) - Remove and Install....888
Pump Drive Shaft - Remove and Install....891
Refrigerant Accumulator - Remove and Install....897
Refrigerant Receiver-Dryer - Remove and Install....900
Ripper - Remove and Install....903
Ripper Lift Cylinder - Assemble....907
Ripper Lift Cylinder - Disassemble....914
Ripper Lift Cylinder - Remove and Install....921
Seat - Remove and Install....924
Sideshift Cylinder - Remove and Install....927
Solenoid Valve (Blade Cushion) - Remove and Install....932
Solenoid Valve and Manifold (Hydraulic Fan) - Remove and Install....935
Steering Accumulator - Remove and Install....938
Steering Cylinder - Remove and Install....941
Swivel - Remove and Install....951
Tie Rod (Steering) - Remove and Install....955
Wheel Lean Arm and Axle Bushings - Remove and Install....958
Wheel Lean Bar - Remove and Install....973
Wheel Lean Cylinder - Remove and Install....979
Window Wiper and Wiper Motor (Front) - Remove and Install - Lower....985
Window Wiper and Wiper Motor (Front) - Remove and Install - Upper....989
Window Wiper and Wiper Motor (Rear) - Remove and Install....997
M104787 - Disassembly and Assembly (140 GC Motor Grader Power Train)....1001
Axle Shaft - Remove and Install....1002
Differential Pinion - Assemble....1003
Differential Pinion - Disassemble....1009
Differential and Bevel Gear - Assemble....1015
Differential and Bevel Gear - Disassemble....1019
Differential and Pinion - Remove and Install....1024
Drive Chain - Remove and Install....1044
Drive Shaft - Remove and Install....1048
Duo-Cone Conventional Seals - Install 01_03_2020....1049
Duo-Cone Conventional Seals - Install....1051
Final Drive - Assemble....1063
Final Drive - Disassemble....1077
Final Drive - Remove and Install....1087
Parking Brake - Remove and Install....1090
Parking Brake Actuator - Remove and Install....1098
Rear Axle, Differential, and Final Drive - Remove and Install....1101
Service Brake (Wheel Spindle) - Assemble....1109
Service Brake (Wheel Spindle) - Disassemble....1119
Service Brake (Wheel Spindle) - Remove and Install....1125
Tandem and Cover - Remove and Install....1128
Transmission - Assemble....1133
Transmission - Disassemble....1199
Transmission - Remove and Install....1251
Transmission Oil Cooler - Remove and Install....1263
Wheel Spindle and Wheel Spindle Housing - Remove and Install....1267
Wheel and Tire (Front) - Remove and Install....1279
Wheel and Tire (Rear) - Remove and Install....1281
M106256 - Specifications (140 GC Motor Graders)....1285
Accumulator (Blade Cushion)....1289
Air Cleaner....1291
Air Conditioner....1292
Articulated Hitch....1294
Articulation Cylinder and Mounting....1296
Articulation Cylinder....1297
Axle Mounting....1298
Bank Valve - Group....1300
Blade Lift Cylinder....1308
Blade Lift....1309
Blade Tip Cylinder - Mounting....1311
Blade Tip Cylinder....1312
Bottom Guard....1313
Brake Accumulator - Charged....1314
Brake Accumulator - Uncharged....1316
Cab....1318
Centershift Cylinder and Mounting....1321
Centershift Lock Pin....1322