Caterpillar Motor Graders 12H, 140H, 160H Repair & Service Manual
Complete service repair manual with electrical wiring diagrams for Caterpillar 12H, 140H & 160H Motor Graders. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
Caterpillar Motor Graders 12H, 140H, 160H workshop service repair manual includes:
* 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.
MOTOR GRADER
Model Prefix
12H MOTOR GRADER 125
12H MOTOR GRADER 4ER
12H MOTOR GRADER 5ZM
12H MOTOR GRADER AMZ
12H MOTOR GRADER CBK
12H MOTOR GRADER XZJ
12H ES MOTOR GRADER 2GS
12H ES MOTOR GRADER 2LR
12H NA MOTOR GRADER 2WR
12H NA MOTOR GRADER 4XM
12H NA MOTOR GRADER 8MN
MOTOR GRADER
Model Prefix
140H MOTOR GRADER 126
140H MOTOR GRADER 5HM
140H MOTOR GRADER 8JM
140H MOTOR GRADER APM
140H MOTOR GRADER CCA
140H MOTOR GRADER XZH
140H ES MOTOR GRADER 3AS
140H ES MOTOR GRADER 8KM
140H NA MOTOR GRADER 2ZK
140H NA MOTOR GRADER 3FR
140H NA MOTOR GRADER 9TN
140H NA MOTOR GRADER 9ZN
MOTOR GRADER
Model Prefix
160H MOTOR GRADER 2FM
160H MOTOR GRADER 9JM
160H MOTOR GRADER ASD
160H MOTOR GRADER CCP
160H MOTOR GRADER XZK
160H ES MOTOR GRADER 2HS
160H ES MOTOR GRADER 6WM
160H NA MOTOR GRADER 3GM
160H NA MOTOR GRADER 3HR
160H NA MOTOR GRADER 9EJ
MANUAL LIST
RENR1417 - Systems Operation (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Air System & Brakes)
RENR1417 - Testing & Adjusting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Air System & Brakes)
RENR1418 - Specifications (12H, 140H & 160H Motor Graders Air System & Brakes)
RENR1430 - Schematic (12H, 140H & 160H Motor Grader Hydraulic System)
RENR1436 - Schematic (12H, 140H & 160H Motor Graders (Standard Version) Electrical System)
RENR9540 - Schematic (12H, 140H &160H Motor Grader Electrical System (for SN 4ER1136-UP, 5HM3000-UP, 2FM909-UP) All Other SN 1_UP)
SENR6998 - Specifications (12H, 140H, 143H, 160H & 163H Motor Graders Power Train)
SENR8503 - Systems Operation (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Power Train)
SENR8503 - Testing & Adjusting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Power Train)
SENR8503 - Troubleshooting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Power Train)
SENR8539 - Disassembly & Assembly (12H, 140H & 160H Motor Graders Engine Supplement)
SENR8548 - Disassembly & Assembly (12H, 140H & 160H Motor Graders Power Train)
SENR8549 - Disassembly & Assembly (12H, 140H & 160H Motor Graders Machine Systems)
SENR8571 - Schematic (12H, 140H &160H Motor Grader Standard Version Hydraulic System (for SNs 2FM1-399, 5HM1-1149, 8JM1-279, 9JM1-349, 4ER1-499) All Other SN 1-UP)
SENR8623 - Specifications (12H, 140H & 160H Motor Graders Hydraulic & Steering System)
SENR8669 - Specifications (12H, 140H & 160H Standard Version Motor Graders Air System...)
SENR9149 - Schematic (12H, 140H &160H Motor Grader Standard Version Electrical System (for SN 4ER500-1135, 8JM280-UP, 5HM1150-2999, 9JM350-UP, 2FM400-908)
SENR9156 - Specifications (12H, 140H, 143H, 160H & 163H Motor Graders Power Train)
SENR9159 - Systems Operation (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders)
SENR9159 - Testing & Adjusting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders)
SENR9178 - Specifications (12H, 140H, 143H, 160H & 163H Motor Graders Hydraulic and Steering System)
SENR9186 - Systems Operation (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Hydraulic & Steering System)
SENR9186 - Testing & Adjusting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Hydraulic & Steering System)
SENR9186 - Troubleshooting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Hydraulic & Steering System)
RENR9540 - Schematic (12H, 140H & 160H Motor Grader Electrical System)
RENR9571 - Schematic (12H, 140H & 160H Motor Graders Standard Versions Hydraulic System)
SENR8518 - Systems Operation (120H,135H,12H,140H,160H,143H,163H MG HYD System & Steering)
SENR8518 - Testing & Adjusting (120H,135H,12H,140H,160H,143H,163H MG HYD System & Steering)
SENR8670 - Systems Operation (120H, 135H, 12H, 140H & 160H Standard Version Motor Graders)
SENR8670 - Testing & Adjusting (120H, 135H, 12H, 140H & 160H Standard Version Motor Graders)
PRODUCT DETAILS:
Total Pages: 2,263 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
RENR1417 - Systems Operation (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Air System & Brakes)......4
Air Compressor......5
Air Control Valve (Parking Brake)......7
Air Control Valve (Service Brake)......9
Air Dryer......12
General Information......14
Monitoring System......17
Parking Brake......21
Relief Valve (Air Tank)......25
Service Brakes......27
RENR1417 - Testing & Adjusting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Air System & Brakes)......32
Air Compressor Governor - Test and Adjust......33
Air Pressure Gauge - Test......36
Bearing Preload for Service Brake - Adjust......39
Brake Disc Wear - Check......42
General Troubleshooting Information......46
Machine Preparation for Troubleshooting......47
Operation Checks......51
Parking Brake - Test......54
Parking Brake Control - Adjust......55
Pressure Switch (Brake Air) (Stop Lamp) - Test......56
Pressure Switch (Low Brake Air) - Test......59
Service Brake - Test......62
Service Brake Control (Pedal) - Adjust......64
Service Brake Control Valve - Check......68
Visual Inspection......71
RENR1418 - Specifications (12H, 140H & 160H Motor Graders Air System & Brakes)......72
Air Compressor Governor......73
Air Compressor......74
Air Control Valve (Parking Brake)......76
Air Horn - If Equipped......77
Air Tank......79
Centershift Lock Pin......80
Check Valve (Air Tank)......81
Check Valve (Parking Brake Release)......82
Front Wiring......83
Parking Brake......89
Pressure Switch (Brake Air) (Parking Brake)......91
Pressure Switch (Brake Air) (Stop Lamp)......92
Pressure Switch (Low Brake Air)......93
Relief Valve (Air Tank)......94
Service Brake Control......95
Service Brakes......98
Solenoid Valve (Air Horn)......101
Solenoid Valve (Centershift Lock)......105
Solenoid Valve (Parking Brake)......107
RENR1430 - Schematic (12H, 140H & 160H Motor Grader Hydraulic System)......110
Collage......111
Main......126
RENR1436 - Schematic (12H, 140H & 160H Motor Graders (Standard Version) Electrical System)......135
Collage......136
Main......164
RENR9540 - Schematic (12H, 140H & 160H Motor Grader Electrical System)......173
RENR9540 - Schematic (12H, 140H &160H Motor Grader Electrical System (for SN 4ER1136-UP, 5HM3000-UP, 2FM909-UP) All Other SN 1_UP)......175
Collage......176
Main......184
RENR9571 - Schematic (12H, 140H & 160H Motor Graders Standard Versions Hydraulic System)......193
SENR6998 - Specifications (12H, 140H, 143H, 160H & 163H Motor Graders Power Train)......195
Bevel Gear and Pinion......196
Case and Frame......199
Clutch Control (Modulation)......201
Differential and Bevel Gear......204
Drive Shaft SMCS - 3253......207
Final Drive......209
Gear Pump (Transmission Charging and Scavenge)......212
Magnetic Screen (Transmission)......215
Oil Filter (Power Train)......217
Pressure Switch (Transmission Modulation)......220
Selector and Pressure Control Valve......222
Solenoid Valve (Differential Lock)......237
Solenoid Valve (Transmission Clutch)......241
Tandem and Cover......243
Transmission Control Valve......245
Transmission......251
Wheel Group......274
SENR8503 - Systems Operation (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Power Train)......277
Centershift Lock......278
Differential and Bevel Gear......282
Features......287
Final Drive and Tandem Drive......290
Introduction......293
Power Train Hydraulic System......295
Transmission Control Valve......300
Transmission......311
SENR8503 - Testing & Adjusting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Power Train)......320
Clutch Control - Test......321
Clutch Pedal - Adjust......326
Differential Lock Pressure - Check......330
Differential and Bevel Gear - Test......332
Drive Chain - Check......340
Electrical Connector - Inspect......343
Electronic Control Module (ECM) - Flash Program......349
Electronic Control Module (ECM) - Replace......350
Final Drive Bearings - Adjust......352
Glossary of Electrical Terms......355
Initial Pressures - Test and Adjust......361
Pump Efficiency (Gear Pumps) - Test......368
System Schematic......370
Transmission Charging Pump Pressure - Test and Adjust......372
Transmission Clutch Running Clearance - Check......374
Transmission Control (Shift Lever) - Test......379
Transmission Lubrication Oil Pressure - Test......384
Transmission Pressures - Test......388
Wiring Harness (Open Circuit) - Test......394
Wiring Harness (Short Circuit) - Test......395
SENR8503 - Troubleshooting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Power Train)......396
Connector Locations......397
Diagnostic Capabilities......400
General Information......405
Machine Preparation for Troubleshooting......406
Operational Checks......407
Power Train......408
Service Tools......416
Visual Inspection......418
SENR8518 - Systems Operation (120H,135H,12H,140H,160H,143H,163H MG HYD System & Steering)......419
SENR8518 - Testing & Adjusting (120H,135H,12H,140H,160H,143H,163H MG HYD System & Steering)......443
SENR8539 - Disassembly & Assembly (12H, 140H & 160H Motor Graders Engine Supplement)......473
Air Cleaner - Remove and Install......474
Air Compressor - Remove and Install......484
Alternator - Remove and Install......493
Battery - Remove and Install......503
Electric Starting Motor - Remove and Install......514
Engine - Install......518
Engine - Remove......526
Engine Enclosure (Hood) - Install......535
Engine Enclosure (Hood) - Remove......538
Engine Oil Cooler - Remove and Install......542
Engine Oil Filler - Remove and Install......545
Engine Oil Filter and Base - Remove and Install......547
Exhaust Extension - Remove and Install......556
Fan - Remove and Install......558
Fan Drive - Remove and Install......567
Fuel Filter (Primary) and Fuel Filter Base - Install......569
Fuel Filter (Primary) and Fuel Filter Base - Remove......575
Fuel Filter (Secondary) and Fuel Filter Base - Remove and Install......580
Fuel Priming Pump - Remove and Install......584
Muffler - Remove and Install......586
Precleaner - Remove and Install......592
Radiator - Install......594
Radiator - Remove......598
Radiator Core - Remove and Install......603
Refrigerant Compressor - Remove and Install......608
Refrigerant Condenser - Remove and Install......613
Turbocharger - Remove and Install......616
SENR8548 - Disassembly & Assembly (12H, 140H & 160H Motor Graders Power Train)......624
12H Motor Grader 4ER00001-UP (MACHINE) POWERED BY 3306 Engine(SEBP2540 - 97) - Documentation......626
Differential Lock Valve - Remove and Install......654
Differential and Bevel Gear (One Piece Cap) - Assemble......658
Differential and Bevel Gear (One Piece Cap) - Disassemble......682
Differential and Bevel Gear (One Piece Cap) - Install......698
Differential and Bevel Gear (One Piece Cap) - Remove......702
Differential and Bevel Gear (Two Piece Cap) - Assemble......707
Differential and Bevel Gear (Two Piece Cap) - Disassemble......731
Differential and Bevel Gear (Two Piece Cap) - Install......746
Differential and Bevel Gear (Two Piece Cap) - Remove......751
Drive Chain - Install......756
Drive Chain - Remove......760
Drive Shaft - Remove and Install......764
Drive Sprocket - Remove and Install......768
Final Drive - Assemble......773
Final Drive - Disassemble......783
Final Drive - Install......790
Final Drive - Remove......792
Gear Pump (Transmission Charging and Scavenge) - Assemble......795
Gear Pump (Transmission Charging and Scavenge) - Disassemble......800
Gear Pump (Transmission Charging and Scavenge) - Install......804
Gear Pump (Transmission Charging and Scavenge) - Remove......806
Machine Preparation for Disassembly and Assembly......809
Magnetic Screen - Remove and Install......812
Tandem and Cover - Remove and Install......815
Transmission - Assemble......820
Transmission - Disassemble......854
Transmission - Install......882
Transmission - Remove......889
Transmission Control Valve - Assemble......897
Transmission Control Valve - Disassemble......917
Transmission Control Valve - Install......937
Transmission Control Valve - Remove......941
Transmission Oil Cooler - Install......945
Transmission Oil Cooler - Remove......951
Transmission Oil Filter Base - Remove and Install......957
Wheel (Rear) - Remove and Install......965
SENR8549 - Disassembly & Assembly (12H, 140H & 160H Motor Graders Machine Systems)......968
Accumulator (Blade Cushion) - Remove and Install......972
Air Control Valve (Parking Brake) - Assemble......976
Air Control Valve (Parking Brake) - Disassemble......979
Air Control Valve (Parking Brake) - Install......982
Air Control Valve (Parking Brake) - Remove......986
Air Control Valve (Service Brake) - Assemble......990
Air Control Valve (Service Brake) - Disassemble......995
Air Control Valve (Service Brake) - Install......1000
Air Control Valve (Service Brake) - Remove......1003
Air Dryer - Remove and Install......1006
Air Tank - Remove and Install......1010
Articulation Cylinder - Install......1015
Articulation Cylinder - Remove......1018
Bank Valve - Assemble......1022
Bank Valve - Disassemble......1033
Bank Valve - Install......1044
Bank Valve - Remove......1048
Blade - Install......1052
Blade - Remove......1057
Blade Lift - Install......1061
Blade Lift - Remove......1070
Blade Lift Cylinder - Install......1077
Blade Lift Cylinder - Remove......1079
Blade Tip Cylinder - Remove and Install......1082
Brake and Wheel Spindle Housing - Assemble......1088
Brake and Wheel Spindle Housing - Disassemble......1093
Brake and Wheel Spindle Housing - Install......1098
Brake and Wheel Spindle Housing - Remove......1101
Cab - Install......1104
Cab - Remove......1112
Centershift Cylinder - Install......1119
Centershift Cylinder - Remove......1121
Centershift Lock - Assemble......1123
Centershift Lock - Disassemble......1127
Centershift Lock - Install......1131
Centershift Lock - Remove......1134
Circle - Install......1138
Circle - Remove......1146
Circle Drive - Assemble......1154
Circle Drive - Disassemble......1168
Circle Drive - Install......1182
Circle Drive - Remove......1186
Combination Valve - Assemble......1189
Combination Valve - Disassemble......1198
Combination Valve - Install......1206
Combination Valve - Remove......1208
Drawbar - Install......1211
Drawbar - Remove......1218
Duo-Cone Conventional Seals - Install......1226
Electric Drive Pump (Secondary Steering) - Install......1234
Electric Drive Pump (Secondary Steering) - Remove......1235
Front Axle - Install......1237
Front Axle - Remove......1241
Fuel Tank - Install......1246
Fuel Tank - Remove......1250
Gerotor Motor (Circle Drive) - Assemble......1254
Gerotor Motor (Circle Drive) - Disassemble......1259
Gerotor Motor (Circle Drive) - Install......1265
Gerotor Motor (Circle Drive) - Remove......1268
Hydraulic Tank and Filter - Install......1271
Hydraulic Tank and Filter - Remove......1273
Machine Preparation for Disassembly and Assembly......1277
Main Frames - Connect......1280
Main Frames - Separate......1289
Metering Pump (Steering) - Assemble......1301
Metering Pump (Steering) - Disassemble......1310
Parking Brake - Install......1319
Parking Brake - Remove......1326
Piston Pump (Hydraulic and Steering) - Assemble......1333
Piston Pump (Hydraulic and Steering) - Disassemble......1344
Piston Pump (Hydraulic and Steering) - Install......1354
Piston Pump (Hydraulic and Steering) - Remove......1358
Pump Drive Shaft - Remove and Install......1363
Rear Bumper - Install......1366
Rear Bumper - Remove......1368
Ripper - Install......1370
Ripper - Remove......1382
Ripper Lift Cylinder - Remove and Install......1394
Scarifier - Install......1401
Scarifier - Remove......1407
Scarifier Cylinder - Install......1413
Scarifier Cylinder - Remove......1415
Seat - Install......1418
Seat - Remove......1420
Sideshift Cylinder - Install......1422
Sideshift Cylinder - Remove......1426
Solenoid Valve (Centershift Lock) - Install......1431
Solenoid Valve (Centershift Lock) - Remove......1434
Steering Accumulator - Remove and Install......1438
Steering Control - Install......1441
Steering Control - Remove......1444
Steering Cylinder - Install......1448
Steering Cylinder - Remove......1450
Steering Link - Remove and Install......1453
Swivel - Assemble......1456
Swivel - Disassemble......1460
Swivel - Install......1465
Swivel - Remove......1468
Wheel - Remove and Install......1472
Wheel Lean Arm - Install......1475
Wheel Lean Arm - Remove......1480
Wheel Lean Cylinder - Remove and Install......1486
Wheel Spindle - Install......1490
Wheel Spindle - Remove......1494
Wheel Spindle and Wheel Spindle Housing - Install......1498
Wheel Spindle and Wheel Spindle Housing - Remove......1502
SENR8571 - Schematic (12H, 140H &160H Motor Grader Standard Version Hydraulic System (for SNs 2FM1-399, 5HM1-1149, 8JM1-279, 9JM1-349, 4ER1-499) All Other SN 1-UP)......1506
Collage......1507
Main......1515
SENR8623 - Specifications (12H, 140H & 160H Motor Graders Hydraulic & Steering System)......1522
Articulating Hitch......1524
Articulation Control Valve......1527
Articulation Cylinder Mounting......1529
Articulation Cylinder......1531
Blade Lift Control Valve......1533
Blade Lift Cylinder and Mounting......1536
Blade Lift Cylinder......1538
Blade Lift Relief Valve......1540
Blade Lift......1542
Blade Tip Cylinder......1544
Blade Tip Relief Valve......1546
Centershift Control Valve......1548
Centershift Cylinder and Mounting......1551
Centershift Cylinder......1553
Circle Drive - Slip Clutch......1555
Circle Drive Control Valve......1560
Circle Drive......1562
Circle......1564
Combination Valve......1565
Control Valve (Blade Tip)......1569
Control Valve (Scarifier)......1572
Control Valve (Snow Plow_Dozer Lift)......1575
Control Valve (Wheel Lean)......1578
Drawbar......1580
Front Axle......1584
Hydraulic Tank Mounting......1590
Hydraulic Tank and Filter......1591
Metering Pump (Steering)......1593
Operator Console......1596
Piston Pump (Hydraulic and Steering)......1599
Pump Control Valve (Pressure and Flow Compensator)......1605
Pump Drive Shaft......1607
Relief Valve (Implement)......1608
Relief Valve (Signal)......1609
Relief Valve (Steering)......1610
Ripper Control Valve......1612
Ripper Lift Cylinder......1614
Ripper Relief Valve......1616
Scarifier Cylinder......1618
Scarifier Relief Valve......1620
Scarifier......1622
Sideshift Control Valve......1625
Sideshift Cylinder......1627
Sideshift Relief Valve......1629
Snow Plow_Bulldozer Relief Valve......1631
Solenoid Valve (Centershift Lock)......1633
Steering Control......1634
Steering Cylinder......1635
Swivel......1637
Valve and Linkage Group......1638
Wheel Lean Cylinder and Mounting......1641
Wheel Lean Cylinder......1642
SENR8669 - Specifications (12H, 140H & 160H Standard Version Motor Graders Air System...)......1644
Air Compressor Governor......1645
Air Tank (Reservoir)......1646
Air Valve Solenoid......1647
Brake Pedal......1648
Check Valve......1650
Clearance Adjustment Of Control Valve For Parking Brake......1651
Control Valve For Parking Brake......1652
Front Wiring Group......1653
Introduction......1656
New And Use Again Dimensions For Parts In Service Brakes......1657
Parking Brake......1659
Safety Valve (Air Reservoir)......1661
Service Brakes......1662
SENR8670 - Systems Operation (120H, 135H, 12H, 140H & 160H Standard Version Motor Graders)......1664
SENR8670 - Testing & Adjusting (120H, 135H, 12H, 140H & 160H Standard Version Motor Graders)......1677
SENR9149 - Schematic (12H, 140H &160H Motor Grader Standard Version Electrical System (for SN 4ER500-1135, 8JM280-UP, 5HM1150-2999, 9JM350-UP, 2FM400-908)......1690
Collage......1691
Main......1699
SENR9156 - Specifications (12H, 140H, 143H, 160H & 163H Motor Graders Power Train)......1708
Bevel Gear and Pinion......1709
Case and Frame......1712
Clutch Control (Modulation)......1713
Drive Shaft......1716
Final Drive......1717
Gear Pump (Transmission Charging and Scavenge)......1720
Magnetic Screen (Transmission)......1722
Oil Filter (Power Train)......1723
Pressure Switch (Transmission Modulation)......1726
Rollover Protective Structure (ROPS) - If Equipped SMCS - 7325......1727
Selector and Pressure Control Valve......1729
Solenoid Valve (Centershift Lock)......1744
Solenoid Valve (Differential Lock)......1746
Solenoid Valve (Transmission Clutch)......1750
Tandem and Cover......1751
Transmission Control Valve......1753
Transmission......1758
Wheel and Mounting......1781
SENR9159 - Systems Operation (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders)......1783
Centershift Lock......1784
Differential and Bevel Gear......1788
Final Drive and Tandem Drive......1793
General Information......1797
Power Train Hydraulic System......1799
Transmission Control Valve......1805
Transmission......1818
SENR9159 - Testing & Adjusting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders)......1829
Clutch Control - Test......1830
Clutch Pedal - Adjust......1835
Differential Lock Pressure - Check......1839
Differential and Bevel Gear - Adjust......1845
Final Drive Bearings - Adjust......1852
General Troubleshooting Information......1860
Initial Pressures - Test and Adjust......1862
Machine Preparation for Troubleshooting......1878
Operational Checks......1880
Power Train Troubleshooting......1882
Transmission Charging Pump Pressure - Test......1889
Transmission Lubrication Oil Pressure - Test......1893
Transmission Pressures - Test......1902
Visual Inspection......1915
SENR9178 - Specifications (12H, 140H, 143H, 160H & 163H Motor Graders Hydraulic and Steering System)......1918
Accumulator (Blade Cushion)......1920
Articulating Hitch......1922
Articulation Cylinder and Mounting......1925
Articulation Cylinder......1928
Blade Lift Cylinder and Mounting......1932
Blade Lift Cylinder......1935
Blade Lift......1941
Blade Tip Cylinder......1944
Centershift Cylinder and Mounting......1948
Centershift Cylinder......1950
Centershift Lock......1952
Circle Drive - Slip Clutch......1954
Circle Drive......1960
Circle......1969
Combination Valve......1973
Control Valve (Articulation)......1977
Control Valve (Blade Lift)......1979
Control Valve (Blade Tip)......1986
Control Valve (Centershift)......1989
Control Valve (Circle Drive)......1991
Control Valve (Ripper)......1993
Control Valve (Scarifier)......1997
Control Valve (Sideshift)......2000
Control Valve (Snow Plow_Dozer Lift)......2003
Control Valve (Wheel Lean)......2006
Drawbar......2008
Front Axle......2012
Gerotor Motor (Circle Drive)......2026
Hydraulic Tank Mounting......2028
Hydraulic Tank and Filter......2030
Metering Pump (Steering)......2036
Operator Console......2040
Piston Pump (Hydraulic and Steering)......2043
Position Sender (Articulation)......2055
Pump Control Valve (Pressure and Flow Compensator)......2063
Pump Drive Shaft......2065
Relief Valve (Blade Lift)......2066
Relief Valve (Blade Tip)......2071
Relief Valve (Implement)......2074
Relief Valve (Ripper)......2077
Relief Valve (Scarifier)......2080
Relief Valve (Sideshift)......2085
Relief Valve (Signal)......2088
Relief Valve (Snow Plow_Dozer Lift)......2089
Relief Valve (Steering)......2093
Ripper Lift Cylinder......2095
Scarifier Cylinder......2097
Scarifier......2102
Sideshift Cylinder......2105
Solenoid Valve (Blade Cushion)......2107
Solenoid Valve (Centershift Lock)......2111
Steering Control......2117
Steering Cylinder......2118
Swivel......2130
Valve and Linkage Group......2134
Wheel Lean Cylinder and Mounting......2138
Wheel Lean Cylinder......2139
SENR9186 - Systems Operation (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Hydraulic & Steering System)......2143
Blade Cushion......2144
Centershift Lock......2146
Combination Valve......2149
Control Valve (Blade Lift)......2156
Control Valve (Implement)......2161
General Information......2164
Hydraulic Tank and Filter......2166
Hydraulic and Steering System......2173
Implement System......2176
Metering Pump (Steering)......2179
Piston Pump (Hydraulic and Steering)......2187
Pump Control Valve......2200
Steering Accumulator......2202
Steering System......2204
SENR9186 - Testing & Adjusting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Hydraulic & Steering System)......2211
Accumulator (Steering) - Test and Charge......2212
Axle Toe-In (Front) - Adjust......2219
Bearing End Play (Piston Pump) - Adjust......2222
Disc Pack Preload for Circle Drive - Adjust......2225
Position Sender (Articulation) - Adjust......2231
Pump Control Valve (Implement, Steering) - Test and Adjust......2234
Pump Efficiency (Gear Pumps) - Test......2247
Relief Valve (Implement) - Test and Adjust......2249
Relief Valve (Steering) - Test and Adjust......2252
Steering Linkage - Adjust......2255
Steering System - Purge......2258
Steering Wheel Slip - Check......2262
SENR9186 - Troubleshooting (120H, 12H, 135H, 140H, 143H, 160H & 163H Motor Graders Hydraulic & Steering System)......2263
General Information......2264
Hydraulic and Steering System......2265
Machine Preparation for Troubleshooting......2273
Operational Checks......2275
Visual Inspection......2276
Caterpillar Motor Graders 12H, 140H, 160H Repair & Service Manuals
