Caterpillar 12M 140 Motor Grader Workshop Repair Service Manual PDF - MCAT12M140.zip
A full factory-style service and repair guide featuring complete Electrical Wiring Diagrams for the Caterpillar 12M and 140 Motor Graders, packed with every technical detail needed to service, troubleshoot, fix, and overhaul these machines the way trained technicians do.
Inside the Caterpillar 12M and 140 Motor Graders workshop service repair manual, you'll find:
* 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.
PRODUCT DETAILS:
Total Pages: 5,195 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
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TABLE OF CONTENTS
UENR3473 - Disassembly and Assembly (12M and 140 Motor Grader Machine Systems)....3
Refrigerant Condenser and Mounting - Remove and Install....7
Refrigerant Accumulator - Remove and Install....14
Solenoid Valve (Compressor Motor) - Remove and Install....18
Gear Motor - Remove....23
System Pressure - Release....27
Steering Frame Lock - Separate and Connect....29
Duo-Cone Conventional Seals - Install....31
Hydraulic Tank and Filter - Remove and Install....43
Hydraulic Tank and Filter - Disassemble....47
Hydraulic Tank and Filter - Assemble....50
Hydraulic Oil Cooler - Remove and Install....53
Piston Pump (Hydraulic and Steering) - Remove and Install....55
Piston Pump (Hydraulic and Steering) - Disassemble....58
Piston Pump (Hydraulic and Steering) - Assemble....66
Bank Valve - Remove and Install - Rear Frame....73
Bank Valve - Remove and Install - Front Frame....78
Bank Valve - Disassemble - Front Frame....82
Bank Valve - Disassemble - Rear Frame....89
Bank Valve - Assemble - Front Frame....96
Bank Valve - Assemble - Rear Frame....103
Accumulator (Blade Cushion) - Remove and Install....110
Solenoid Valve (Blade Cushion) - Remove and Install....114
Blade Lift Cylinder - Remove and Install....117
Sideshift Cylinder - Remove and Install....125
Sideshift Cylinder - Disassemble....130
Sideshift Cylinder - Assemble....138
Centershift Cylinder - Remove and Install....147
Blade Tip Cylinder - Remove and Install....155
Blade - Remove and Install....160
Circle - Remove....163
Circle - Install....171
Drawbar - Remove....180
Drawbar - Install....186
Gerotor Motor (Circle Drive) - Remove and Install....191
Gerotor Motor (Circle Drive) - Disassemble....193
Gerotor Motor (Circle Drive) - Assemble....199
Circle Drive - Remove and Install....204
Circle Drive - Disassemble....210
Circle Drive - Assemble....220
Swivel - Remove and Install....230
Swivel - Disassemble....234
Swivel - Assemble....240
Solenoid Valve (Centershift Lock) - Remove and Install....245
Centershift Lock Bar and Bushings - Remove....248
Centershift Lock Bar and Bushings - Install....254
Centershift Lock - Remove and Install....262
Centershift Lock - Disassemble....268
Centershift Lock - Assemble....272
Blade Lift Arm - Remove....276
Blade Lift Arm - Install....284
Articulation Cylinder - Remove and Install - Left Side....294
Articulation Cylinder - Remove and Install - Right Side....301
Ripper Lift Cylinder - Remove and Install....307
Ripper - Remove....315
Ripper - Install....327
Scarifier Cylinder - Remove and Install....339
Scarifier - Remove....342
Scarifier - Install....347
Front Axle - Remove and Install....352
Tie Rod (Steering) - Remove and Install....358
Wheel - Remove and Install - Front....360
Wheel Lean Bar - Remove and Install....364
Wheel Lean Arm and Axle Bushings - Remove and Install....369
Wheel Lean Cylinder - Remove and Install....373
Steering Cylinder - Remove and Install....379
Steering Control Valve - Remove and Install....412
Steering Control Valve - Disassemble....416
Steering Control Valve - Assemble....419
Control Manifold (Steering Backup) - Remove and Install....422
Control Manifold (Steering Backup) - Disassemble....425
Control Manifold (Steering Backup) - Assemble....427
Brake Accumulator - Remove and Install....430
Control Valve (Brake) - Remove and Install....435
Control Valve (Brake) - Disassemble....438
Control Valve (Brake) - Assemble....440
Secondary Steering Pump and Motor - Remove and Install....442
Secondary Steering Pump and Motor - Disassemble....445
Secondary Steering Pump and Motor - Assemble....451
Bottom Guard - Remove and Install....457
Piston Pump (Hydraulic Fan) - Remove and Install....460
Piston Pump (Hydraulic Fan) - Disassemble....462
Piston Pump (Hydraulic Fan) - Assemble....471
Fan and Gear Motor (Hydraulic Fan) - Remove and Install....482
Gear Motor (Hydraulic Fan) - Disassemble....486
Gear Motor (Hydraulic Fan) - Assemble....489
Solenoid Valve and Manifold (Hydraulic Fan) - Remove and Install....493
Window Wiper and Wiper Motor (Front) - Remove and Install....496
Window Wiper and Wiper Motor (Rear) - Remove and Install....500
Window Wiper and Wiper Motor (Door) - Remove and Install - Left Side....503
Window Wiper and Wiper Motor (Door) - Remove and Install - Right Side....506
Joystick Control - Remove and Install....510
Seat - Remove and Install....513
Cab - Remove and Install....515
Evaporator Coil and Heater Coil - Remove and Install....522
Blower Motor (Air Conditioner and Heater) - Remove and Install....527
Fuel Tank - Remove and Install....531
Rear Bumper - Remove and Install....535
Front Frame from Rear Frame (Articulating Hitch) - Separate....538
Front Frame to Rear Frame (Articulating Hitch) - Connect....555
Wheel Spindle - Remove - Front Wheel....570
Wheel Spindle - Install....577
Wheel Spindle and Wheel Spindle Housing - Remove....582
Wheel Spindle and Wheel Spindle Housing - Install....588
UENR3471 - Disassembly and Assembly (12M and 140 Motor Graders Engine Supplement)....595
Fuel Filter Base - Remove and Install....598
Fuel Transfer Pump - Remove....601
Fuel Transfer Pump - Install....603
Unit Injector - Remove....605
Unit Injector - Install....608
Unit Injector Sleeve - Remove....612
Unit Injector Sleeve - Install....615
Unit Injector Hydraulic Pump - Remove....617
Unit Injector Hydraulic Pump - Install....624
Turbocharger - Remove....630
Turbocharger - Install....632
Exhaust Manifold - Remove and Install....634
Air Inlet Heater Solenoid - Remove and Install....637
Inlet Manifold - Remove....640
Inlet Manifold - Install....642
Inlet and Exhaust Valves - Remove and Install....644
Inlet and Exhaust Valve Guides - Remove and Install....647
Inlet and Exhaust Valve Seat Inserts - Remove and Install....650
Engine Oil Filter Base and Oil Cooler - Remove....653
Engine Oil Filter Base - Disassemble....656
Engine Oil Filter Base - Assemble....659
Engine Oil Filter Base and Oil Cooler - Install....662
Engine Oil Pump - Remove....665
Engine Oil Pump - Disassemble....667
Engine Oil Pump - Assemble....669
Engine Oil Pump - Install....671
Water Pump - Remove....673
Water Pump - Disassemble....675
Water Pump - Assemble....677
Water Pump - Install....679
Water Temperature Regulator - Remove and Install....681
Flywheel - Remove....684
Flywheel - Install....686
Crankshaft Rear Seal - Remove....688
Crankshaft Rear Seal - Install....690
Crankshaft Rear Seal Carrier - Remove and Install....692
Flywheel Housing - Remove and Install....695
Vibration Damper and Pulley - Remove and Install....698
Crankshaft Front Seal - Remove....700
Crankshaft Front Seal - Install....702
Front Cover - Remove and Install....704
Housing (Front) - Remove....706
Housing (Front) - Install....708
Camshaft Idler Gear - Remove and Install....710
Valve Mechanism Cover - Remove and Install....713
Valve Mechanism Cover Base - Remove and Install....715
Rocker Shaft and Pushrod - Remove....719
Rocker Shaft - Disassemble....721
Rocker Shaft - Assemble....723
Rocker Shaft and Pushrod - Install....725
Cylinder Head - Remove....727
Cylinder Head - Install....730
Lifter Group - Remove and Install....735
Camshaft - Remove....739
Camshaft - Install....741
Camshaft Gear - Remove and Install....743
Camshaft Bearings - Remove and Install....745
Engine Oil Pan - Remove and Install....748
Piston Cooling Jets - Remove and Install....751
Pistons and Connecting Rods - Remove....753
Pistons and Connecting Rods - Disassemble....756
Pistons and Connecting Rods - Assemble....758
Pistons and Connecting Rods - Install....762
Connecting Rod Bearings - Remove....766
Connecting Rod Bearings - Install....768
Crankshaft Main Bearings - Remove....770
Crankshaft Main Bearings - Install....773
Crankshaft - Remove....777
Crankshaft - Install....779
Crankshaft Gear - Remove and Install....782
Bearing Clearance - Check....785
Atmospheric Pressure Sensor - Remove and Install....788
Coolant Temperature Sensor - Remove and Install....790
Engine Oil Pressure Sensor - Remove and Install....793
Fuel Pressure Sensor - Remove and Install....796
Injection Actuation Pressure Sensor - Remove and Install....799
Speed_Timing Sensor - Remove and Install....802
Turbocharger Outlet Pressure Sensor - Remove and Install....805
Inlet Air Temperature Sensor - Remove and Install....807
Fan Drive Mounting Group - Remove and Install....809
Electronic Control Module - Remove and Install....812
Alternator - Remove and Install....814
Electric Starting Motor - Remove and Install....817
UENR3472 - Disassembly and Assembly (12M and 140 Motor Graders Power Train)....820
System Pressure - Release....822
Steering Frame Lock - Separate and Connect....824
Duo-Cone Conventional Seals - Install....826
Wheel and Tire (Rear) - Remove and Install....838
Drive Chain - Remove and Install....841
Service Brake (Wheel Spindle) - Remove and Install....845
Service Brake (Wheel Spindle) - Disassemble....848
Service Brake (Wheel Spindle) - Assemble....854
Housing (Tandem) - Remove and Install....864
Rear Axle; Differential and Final Drive - Remove....867
Rear Axle; Differential and Final Drive - Disassemble....875
Rear Axle; Differential and Final Drive - Assemble....893
Rear Axle; Differential and Final Drive - Install....919
Transmission Oil Filter Base - Remove and Install....928
Transmission Oil Filter Base - Disassemble....931
Transmission Oil Filter Base - Assemble....935
Gear Pump (Transmission Charging and Scavenge) - Remove and Install....939
Gear Pump (Transmission Charging and Scavenge) - Disassemble....943
Gear Pump (Transmission Charging and Scavenge) - Assemble....946
Transmission Oil Cooler - Remove and Install....952
Modulating Valve (Transmission Clutch) - Remove and Install....955
Modulating Valve (Transmission Clutch) - Disassemble....958
Modulating Valve (Transmission Clutch) - Assemble....960
Transmission - Remove and Install....962
Transmission - Disassemble....973
Transmission - Assemble....1016
Parking Brake - Remove and Install....1058
Drive Shaft - Remove and Install....1065
Relief Valve (Main) - Remove and Install....1066
Relief Valve (Main) - Disassemble....1069
Relief Valve (Main) - Assemble....1073
Differential Lock Valve - Remove and Install....1077
UENR7939 - Schematic (12M; 140M; and 160M Motor Grader Electrical System)....1079
Feature....1079
Cover Page....1081
Information....0
Component Location....0
Vol 1 - Cab....1082
Vol 2 - Cab Continued....1083
Vol 3 - Chassis....0
Page 1 of 2....1084
Page 2 of 2....1085
Vol 4 - Chassis Continued....1086
Vol 5 - Accugrade....1087
Connector Location....0
Vol 1 - Cab....1088
Vol 2 - Cab Continued....1089
Vol 3 - Chassis....1090
Vol 4 - Chassis Continued....1091
Vol 5 - Accugrade....1092
Schematics....0
Vol 1 - Cab....1093
Vol 2 - Cab Continued....1094
Vol 3 - Chassis....1095
Vol 4 - Chassis Continued....1096
Vol 5 - Accugrade....1097
Machine Views....0
Vol 1 - Cab....0
Cab - Inside View....1098
Cab - Rear View....1099
Cab - Top View....1100
Dash Board....1101
Fuse Block....1102
HVAC....1103
Left Console View....1104
Switch Panel....1105
Vol 2 - Cab Continued....0
Accugrade....1106
Cab - Inside View....1107
Cab - Top View....1108