Caterpillar 12G, 120G, 130G, 140G Motor Graders Service & Repair Manual

Catalog: 
Construction Heavy Machinery
Make: 
Caterpillar
Model: 
12G
120G
130G
140G
Price: US$ 99.00

Complete workshop repair service manual with electrical wiring diagrams for Caterpillar 12G, 120G, 130G, 140G Motor Graders. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Caterpillar 12G, 120G, 130G, 140G Motor Graders service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostics & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

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
  Circle Drive....1323
  Circle....1324
  Clutch Control (Modulation)....1326
  Combination Valve....1328
  Control Lever (Hydraulic Lockout)....1330
  Control Valve (Articulation)....1331
  Control Valve (Blade Lift)....1333
  Control Valve (Blade Tip)....1335
  Control Valve (Centershift)....1337
  Control Valve (Circle Drive)....1339
  Control Valve (Ripper)....1341
  Control Valve (Sideshift)....1344
  Control Valve (Snow Plow_Dozer Lift)....1346
  Control Valve (Wheel Lean)....1348
  Control Valve - Mounting Group....1350
  Defroster Fan....1351
  Differential and Bevel Gear....1352
  Drawbar....1354
  Drive Chain....1357
  Drive Shaft....1358
  Expansion Tank....1360
  Fasteners....1361
  Final Drive....1362
  Flood Lamp....1364
  Flood Lighting....1365
  Front Axle....1368
  Front Frame....1373
  Fuel Lines....1374
  Fuel Tank....1375
  Gear Motor (Hydraulic Fan)....1376
  Governor Control....1378
  Hydraulic Accumulator....1380
  Hydraulic Cylinder - Straight Blade....1384
  Hydraulic Lines....1385
  Hydraulic Tank and Filter....1386
  Metering Pump (Steering)....1387
  Operator Console....1388
  Parking Brake Actuator....1391
  Piston Pump....1392
  Platform Guard....1394
  Position Sensor (Articulation)....1395
  Pressure Reducing Valve (Implement Pilot)....1396
  Rear Axle....1397
  Rear View Mirror....1398
  Refrigerant Compressor - Mounting Group....1399
  Refrigerant Compressor....1401
  Refrigerant Condenser - Mounting....1403
  Relief Valve (Blade Lift)....1404
  Relief Valve (Blade Tip)....1405
  Relief Valve (Implement)....1406
  Relief Valve (Ripper)....1407
  Relief Valve (Sideshift)....1408
  Relief Valve - Pilot Oil Pressure....1409
  Relief Valve....1411
  Ripper Lift Cylinder....1413
  Ripper....1414
  Rollover Protective Structure (ROPS) - If Equipped....1416
  Scarifier Cylinder....1418
  Scarifier....1419
  Service Brake Lines....1420
  Service Brake....1421
  Sideshift Cylinder....1424
  Solenoid Valve (Blade Cushion)....1425
  Solenoid Valve (Centershift Lock)....1426
  Solenoid Valve (Hydraulic Fan) 1....1427
  Solenoid Valve (Hydraulic Fan) 2....1428
  Solenoid Valve....1429
  Steering Control Group....1431
  Steering Cylinder and Mounting....1432
  Steering Cylinder....1434
  Suction Fan....1435
  Switch (Window Wiper)....1436
  Tandem and Cover....1438
  Towing Hitch....1440
  Valve and Linkage Group....1441
  Wheel Group....1447
  Wheel Lean Cylinder and Mounting....1448
  Wheel Lean Cylinder....1449
  Window Wiper and Washer....1450
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))....1455
  Feature....1455
  Cover Page....1457
  Information....0
    Component Location....0
      Cab and Front Frame Wiring....1458
      Chassis and Engine Wiring....1459
    Connector Location....0
      Cab and Front Frame Wiring....1460
      Chassis and Engine Wiring....1461
  Schematics....0
    Cab and Front Frame Wiring....1462
    Chassis and Engine Wiring....1463
  Machine Views....0
    Cab and Front Frame Wiring....0
      Cab Front View....1464
      Cab Headliner View....1465
      Front Frame View....1471
      HVAC View....1469
      Operator Seat and Control View....1468
      Platform Bottom View....1466
      Platform RH View....1467
      Steering and Fuse Panel View....1470
    Chassis and Engine Wiring....0
      Cab Front View....1472
      Chassis LH View....1473
      Chassis RH View....1474
      Engine LH and RH View....1476
      Engine Top View....1477
      Platform Bottom View....1475
      Radiator View....1478
M107987 - Troubleshooting (140 GC Motor Grader)....1479
  Brake System....1481
  CAN Data Link - Test....1483
  Charging System - Test....1491
  Connector Locations....1492
  Determining Diagnostic Trouble Codes....1498
  Diagnostic Capabilities....1506
  Diagnostic Trouble Codes....1515
  ECM - Configure....1522
  ECM - Replace....1524
  ECM Location Code - Test....1525
  ECM Software - Install....1531
  Electrical Connector - Inspect....1533
  Electrical Power Supply - Test....1540
  Emerging Symptom Information....1547
  Event Codes....1548
  General Information....1558
  HVAC, Air Conditioning System....1560
  HVAC, Automatic Temperature Control System....1573
  HVAC, Condensate Drainage System....1577
  HVAC, Control System....1578
  HVAC, General Troubleshooting....1583
  HVAC, Heating System....1586
  HVAC, Required Tools....1591
  Hydraulic Fan System....1594
  Hydraulic and Steering System....1596
  Machine Preparation for Troubleshooting....1603
  Operational Checks (All Wheel Drive)....1605
  Operational Checks (Hydraulic System)....1607
  Operational Checks (Steering System)....1609
  Operator Control Switch (Switch to Ground) - Test....1611
  Power Train System....1622
  Relay - Test....1627
  Sensor (Data Link Type) - Test....1634
  Sensor Signal (Analog, Passive) - Test....1643
  Sensor Signal (PWM) - Test....1649
  Sensor Supply - Test....1663
  Service Tools....1670
  Solenoid Valve - Test....1672
  Speed Sensor - Test....1681
  Starting System - Test....1689
  Symptom Troubleshooting....1693
  System Schematic....1695
  Visual Inspection....1696
  Wiring Harness (Open Circuit) - Test....1697
  Wiring Harness (Short Circuit) - Test....1698
M110757 - Schematic (140 GC Motor Grader Hydraulic System (Interactive) (Function Isolation), 560-9316-01 (For Serial Numbers W921-UP W9E1-UP))....1700
  Features....1700
  Cover Page....1702
  Information....0
    Component Location....1703
    Tap Location....1704
  Schematic....1705
  Machine Views....0
    Cab Platform - Left View....1706
    Cab Platform - Right View....1707
    Front Frame - Left View....1708
    Front Frame - Right View....1709
    Implement Valve Attachment Components....1710
    Machine Rear View....1711
    Tandem View....1712
REG1471 - Systems Operation (16G Motor Graders Air System & Brakes)....1713
REG1471 - Testing & Adjusting (16G Motor Graders Air System & Brakes)....1745
REG1499 - Specifications (12G & 14G Motor Graders Air System & Brakes)....1759
  Actuator For Parking Brake 1....1760
  Actuator For Parking Brake 2....1761
  Air Compressor Governor....1762
  Air Pressure Switch....1764
  Air Tank (Reservoir)....1766
  Air Valve For Centershift Lock Pin Valve....1767
  Centershift Control Valve....1768
  Centershift Lock Pin....1770
  Clearance Adjustment Of Control Valve For Parking Brake....1772
  Control Valve For Differential Lock....1773
  Control Valve For Parking Brake....1774
  Differential Lock Solenoid Valve....1775
  Differential Lock Valve....1776
  Introduction....1777
  New And Use Again Dimensions For Parts In Service Brakes....1778
  Parking Brake....1780
  Pedal Adjustment For Service Brakes....1784
  Pressure Switch....1786
  Quick Release Valve For Brake Control....1787
  Relief Valve....1788
  Service Brakes....1789
  Stoplight Switch....1793
REG1576 - Systems Operation (12G, 130G & 140G Motor Graders Hydraulic System & Steering)....1794
REG1576 - Testing & Adjusting (12G, 130G & 140G Motor Graders Hydraulic System & Steering)....1817
REG1577 - Specifications (12G, 130G, 140G Motor Graders Hydraulic System & Steering)....1841
  Accumulator....1842
  Blade Tip....1844
  Centershift And Blade Lift....1846
  Centershift Lock....1847
  Check And Relief Valve....1848
  Check Valve....1850
  Console For Steering Wheel....1852
  Control Valve Section....1853
  Crossover Relief Valve For Steering....1855
  Cylinders....1858
  Drawbar....1862
  Drive For Hydraulic Pump....1864
  Drive For The Circle....1865
  Filter And Tank....1867
  Front Axle....1869
  Hitch....1872
  Hydraulic Pump Mounting....1874
  Hydraulic Pump....1876
  Introduction....1885
  Metering Valve For Steering....1886
  Mounting For Articulation Cylinder....1887
  Relief Valve....1888
  Steering Metering Pump....1895
  Unloader Valve....1896
REG1580 - Systems Operation (12G, 120G, 130G & 140G Motor Graders Power Train)....1897
REG1580 - Testing & Adjusting (12G, 120G, 130G & 140G Motor Graders Power Train)....1932
REG1581 - Testing & Adjusting (12G, 120G. 130G, 140G Motor Graders)....1937
REG1582 - Specifications (12G, 120G, 130G & 140G Motor Graders Power Train)....1951
  2G8990 Differential Lock Solenoid Valve....1952
  2P5814 Valve Group For Direction Selector And Pressure Control....1953
  3P843 Valve Group For Modulating, Selector, And Pressure Control....1955
  6P3227, 8P1101 Valve Groups For Differential, Selector And Pressure Control....1957
  6P8226, 2P7014 Differential Lock Valves....1959
  8D4240, 2G6010 Differential And Bevel Gears....1960
  8D9895 Differential And Bevel Gear....1963
  9D3340 Bevel Gear Group....1966
  9D3485, 2G5885 Bevel Gear Groups....1969
  Adjustment Procedure For Backlash Of Ring Gear And Preload Of Differential Support Bearings Through The Side Bores In The Differential Case....1972
  Backup Warning Switch....1974
  Final Drive....1975
  Frame And Case....1981
  Introduction....1983
  Oil Filter....1984
  Oil Pump For The Transmission....1987
  Relief Valve Group....1989
  Rops....1994
  Tandem Group....1995
  Transfer Gears....1997
  Transmission Control Group....2000
  Transmission Control....2001
  Transmission....2002
  Wheel Spindle....2004
  Wheels....2009
SENR2122 - Schematic (12G, 130G & 140G Motor Graders Hydraulic System)....2011
  Collage....2012
  Main....2032
SENR2504 - Disassembly & Assembly (12G, 14G, 16G, 120G, 130G & 140G Motor Graders Operator's St...)....2034
  Air Conditioner Compressor....2035
  Air Conditioning And Heating Unit....2038
  Cab Doors And Strikers....2044
  Cab Doors....2046
  Cab Window Glass....2049
  Centershift Lock Control Valve....2052
  Disconnect Switch....2056
  Electric Horn....2058
  Fuse Panel....2061
  Gauge Group....2062
  Monitor Panel....2064
  Parking Brake Control Valve....2066
  Rollover Protective Structure (ROPS)....2071
  Seat And Seat Belts....2075
  Seat....2077
  Steering Wheel....2079
  Transmission Control....2081
  Windshield Washer Group....2092
  Windshield Wiper Group....2093
SENR3010 - Schematic (12G, 130G & 140G Motor Graders Hydraulic System)....2096
  Collage....2097
  Main....2117
SENR3488 - Specifications (12G, 120G, 130G & 140G Motor Graders Hydraulic System & Steer...)....2119
  Accumulator Solenoid Valve Group....2120
  Accumulators....2121
  Articulated Hitch Group....2123
  Blade Lift Group....2125
  Check And Relief Valves....2126
  Check Valves (Pilot Operated)....2129
  Circle Drive Group....2131
  Circle Drive With Slip Clutch Group (Attachment)....2133
  Circle Group....2136
  Combination Valve....2138
  Control Valve Groups....2139
  Crossover Relief Valve (Steering)....2141
  Cylinder Groups....2143
  Cylinder Mounting....2150
  Drawbar Group....2153
  Front Axle....2157
  Hand Metering Unit....2160
  Hydraulic Pump....2162
  Hydraulic Tank Group....2170
  Introduction....2172
  Linkage And Valve Group....2173
  Main Relief Valve....2175
  Operator Console Group....2177
  Priority Valve....2179
  Pump Drive....2180
  Scarifier Group....2181
  Swivel Group....2182
SENR3489 - Systems Operation (12G, 120G, 130G Motor Graders Hyd. System & Steering)....2183
SENR3489 - Testing & Adjusting (12G, 120G, 130G Motor Graders Hyd. System & Steering)....2231
SENR3555 - Specifications (12G, 120G, 130G & 140G Motor Graders Power Train)....2263
  Backup Warning Switch....2264
  Bevel Gear Group....2266
  Differential And Bevel Gear....2273
  Differential Lock Solenoid Valve....2276
  Differential Selector And Pressure Control Valve....2277
  Direction Selector And Pressure Control Valve....2279
  Final Drive Groups....2281
  Frame And Case Groups....2284
  Introduction....2286
  Modulating Selector And Pressure Control Valve Group....2287
  ROPS....2289
  Relief Valve Group....2291
  Tandem Groups....2294
  Transfer Gear Groups....2295
  Transmission Control Group....2298
  Transmission Control Valve Group....2300
  Transmission Oil Filter....2301
  Transmission Oil Pump....2303
  Transmission....2305
  Wheel Group....2308
  Wheel Spindles....2310
SENR3556 - Systems Operation (12G, 120G, 130G & 140G Motor Graders Power Train)....2312
SENR3556 - Testing & Adjusting (12G, 120G, 130G & 140G Motor Graders Power Train)....2337
SENR3557 - Testing & Adjusting (12G, 120G, 130G & 140G Motor Graders Power Shift Transmission)....2342
SENR3605 - Systems Operation (12G, 14G & 16G Motor Graders Air System And Brakes)....2356
SENR3605 - Testing & Adjusting (12G, 14G & 16G Motor Graders Air System And Brakes)....2373
SENR3649 - Disassembly & Assembly (12G, 120G, 130G & 140G Motor Graders Power Train)....2385
  Axles....2386
  Brake And Wheel Spindle Housings (120G)....2389
  Brake And Wheel Spindle Housings....2397
  Differential (120G)....2405
  Differential (Direct Drive) (120G)....2410
  Differential (Direct Drive)....2419
  Differential (Unlocking) (120G)....2428
  Differential (Unlocking)....2440
  Differential....2452
  Drive Chains....2458
  Drive Sprockets (120G)....2462
  Drive Sprockets....2465
  Final Drives (120G)....2468
  Final Drives....2478
  Rear Wheels....2487
  Relief Control Valve....2489
  Tandem Housings (120G)....2495
  Tandem Housings....2498
  Transfer Gears....2501
  Transmission Hydraulic Control Valves....2513
  Transmission Oil And Scavenge Pump....2523
  Transmission Oil Filter Base....2530
  Transmission....2533
SENR3650 - Disassembly & Assembly (12G, 120G, 130G & 140G Motor Grader Vehicle Systems)....2557
  Air Tank....2559
  Articulation Cylinders....2560
  Articulation Lock Check Valve....2562
  Assembly And Installation Of Conventional Duo-Cone Seals....2563
  Ball And Socket Joint Inserts....2570
  Battery Box....2571
  Blade Assembly....2572
  Blade Centershift Cylinder....2574
  Blade Lift Arms....2576
  Blade Lift Bar....2581
  Blade Lift Cylinders....2585
  Blade Lift Lock Check And Relief Valve....2587
  Blade Lift Lock Check Valve....2588
  Blade Sideshift Cylinder....2591
  Blade Tip Cylinder....2594
  Blade Tip Lock Check Valve....2595
  Brake Control Valve....2597
  Centershift Lock Control Valve....2607
  Centershift Lock....2610
  Centershift Lockplate Bushings....2613
  Circle Drawbar....2615
  Circle Drive And Blade Sideshift Lock Check Valves....2621
  Circle Drive Motor....2623
  Circle Drive....2631
  Differential Lock Actuator Valve....2643
  Front Axle....2645
  Front Wheels....2649
  Fuel Tank....2651
  Hydraulic Control Valves....2654
  Hydraulic Cylinders....2663
  Hydraulic Pump....2668
  Hydraulic Tank....2682
  Main Frames....2684
  Parking Brake Release Valve....2692
  Parking Brake Rotochamber And Release Valve....2694
  Pivot Pin Bearings....2698
  Pressure And Flow Compensator Valve....2703
  Pump Drive....2707
  Rear Bumper....2709
  Steering Accumulator....2711
  Steering Cylinders....2715
  Steering Pump....2718
  Steering Relief Valve....2720
  Steering Tie Rod....2722
  Swivel Joint....2723
  Wheel Lean And Centershift Lock Check Valves....2731
  Wheel Lean Arms....2733
  Wheel Lean Bar....2736
  Wheel Lean Cylinder....2739
  Wheel Spindles And Wheel Spindle Housings....2741
  Wheel Spindles....2747
SENR3651 - Schematic (12G, 120G, 130G & 140G Motor Graders Electrical System)....2751
  Collage....2752
  Main....2764
SENR7142 - Disassembly & Assembly (12G, 130G & 140G Motor Graders Vehicle Systems)....2766
  Air Tank....2769
  Articulation Cylinders....2771
  Articulation Lock Check Valve....2774
  Ball And Socket Joint Inserts....2775
  Blade Assembly....2776
  Blade Lift Arms....2781
  Blade Lift Bar....2786
  Blade Lift Cylinders....2791
  Blade Lift Lock Check And Relief Valve And Lock Check Valves....2794
  Blade Lift Lock Check And Relief Valve....2797
  Blade Lift Lock Check Valve....2798
  Blade Sideshift Cylinder....2799
  Blade Tip Cylinder....2803
  Blade Tip Lock Check Valve....2805
  Blade....2806
  Brake Control Valve (Earlier)....2811
  Brake Control Valve (Later)....2816
  Brake Control Valve....2823
  Centershift Lock Control Valve....2825
  Centershift Lock....2829
  Centershift Lockplate Bushings....2832
  Circle Drawbar Bolt....2834
  Circle Drawbar....2838
  Circle Drive (Earlier)....2842
  Circle Drive (Later)....2847
  Circle Drive And Blade Sideshift Lock Check Valves....2853
  Circle Drive Motor (Earlier)....2855
  Circle Drive Motor (Later)....2862
  Circle Drive....2870
  Circle....2874
  Combination Valve....2877
  Control Valves....2883
  Cooler Pump....2889
  Cooler Relief Valve....2894
  Differential Lock Actuator Valve....2896
  Differential Lock Control Valve....2899
  Front Axle....2903
  Front Wheels....2907
  Fuel Tank....2909
  Hydraulic Cylinders....2911
  Hydraulic Pump (Earlier)....2917
  Hydraulic Pump (Later)....2943
  Hydraulic Tank (Earlier)....2967
  Main Frames....2969
  Parking Brake Release Valve....2977
  Parking Brake Rotochamber And Release Valve....2979
  Parking Brake Rotochamber....2981
  Pivot Pin Bearings....2984
  Pump Drive....2989
  Rear Bumper....2991
  Steering Cylinders....2993
  Steering Pump (Earlier)....2996
  Steering Pump (Later)....3003
  Steering Relief Valve....3010
  Steering Tie Rod....3013
  Swivel Joint....3015
  Wheel Lean And Centershift Lock Check Valves....3019
  Wheel Lean Arms....3021
  Wheel Lean Bar....3025
  Wheel Lean Cylinder....3029
  Wheel Spindles And Wheel Spindle Housings....3031
  Wheel Spindles....3036
SENR7186 - Disassembly & Assembly (12G, 130G & 140G Motor Grader Power Train)....3040
  Axles....3041
  Brake And Wheel Spindle Housings....3044
  Differential (Direct Drive)....3053
  Differential (Unlocking)....3063
  Differential....3076
  Drive Chains....3082
  Drive Sprockets....3086
  Final Drives....3089
  Rear Wheels....3099
  Relief Control Valve....3101
  Tandem Housings....3107
  Transmission Hydraulic Control Valves....3110
  Transmission Oil And Scavenge Pump....3120
  Transmission Oil Filter Base....3130
  Transmission....3133
SENR7215 - Testing & Adjusting (12G, 130G Motor Graders)....3172

Caterpillar 12G, 120G, 130G, 140G Motor Graders Service Repair Manuals

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