Caterpillar 980K Wheel Loader Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 980K Wheel Loader, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Caterpillar 980K Wheel Loader 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.
KENR6443 - Disassembly and Assembly (980K Wheel Loader C13 Engine Supplement).pdf
KENR6445 - Systems Operation (980K Wheel Loader Power Train).pdf
KENR6446 - Testing and Adjusting (980K Wheel Loader).pdf
KENR6446 - Troubleshooting (980K Wheel Loader).pdf
KENR6447 - Disassembly and Assembly (980K Wheel Loader Power Train).pdf
KENR6450 - Specifications (980K Wheel Loader Steering System).pdf
KENR6451 - Systems Operation (980K Wheel Loader Steering System).pdf
KENR6452 - Testing and Adjusting (980K Wheel Loader Steering System).pdf
KENR6453 - Specifications (980K Wheel Loader Braking and Hydraulic Fan System).pdf
KENR6454 - Systems Operation (980K Wheel Loader Braking and Hydraulic Fan System).pdf
KENR6455 - Testing and Adjusting (980K Wheel Loader Braking and Hydraulic Fan System).pdf
KENR6456 - Specifications (980K Wheel Loader Electrohydraulic System).pdf
KENR6457 - Systems Operation (980K Wheel Loader Electrohydraulic System).pdf
KENR6458 - Testing and Adjusting (980K Wheel Loader Electrohydraulic System).pdf
KENR6458 - Troubleshooting (980K Wheel Loader Electrohydraulic System).pdf
KENR6459 - Specifications (980K Wheel Loader Machine Systems).pdf
KENR6460 - Disassembly and Assembly (980K Wheel Loader Machine Systems).pdf
KENR6461 - Schematic (980K and 980K OEM Wheel Loader Hydraulic System).pdf
KENR6462 - Schematic (980K Wheel Loader and 980K OEM Wheel Loader Electrical System).pdf
UENR0786 - Systems Operation (980K Wheel Loader Machine Electronic Control System).pdf
UENR0786 - Testing and Adjusting (980K Wheel Loader Machine Electronic Control System).pdf
UENR0786 - Troubleshooting (980K Wheel Loader Machine Electronic Control System).pdf
UENR5486 - Schematic (980K and 980K OEM Wheel Loader Hydraulic System).pdf
PRODUCT DETAILS:
Total Pages: 4,613 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
KENR6443 - Disassembly and Assembly (980K Wheel Loader C13 Engine Supplement)....1
Steering Frame Lock - Separate and Connect....4
System Pressure - Release....7
Hydraulic Tank Oil - Retain....11
Batteries - Remove and Install....13
Hood Panels (Front and Rear) - Remove and Install....15
Hood Tilt Pump and Motor - Remove and Install....19
Hood Tilt Cylinder - Remove and Install....21
Hood - Remove and Install....22
Belt Tensioner - Remove and Install....26
Alternator - Remove and Install....29
Electric Starting Motor - Remove and Install....32
Fuel Priming Pump and Primary Filter (Water Separator) - Remove and Install....34
Fuel Transfer Pump - Remove and Install....40
Fuel Manifold (ARD) - Remove and Install - Clean Emissions Module....42
Ignition Coil - Remove and Install - Clean Emissions Module....45
Combustion Head - Remove and Install - Clean Emissions Module....47
Relay (ARD Nozzle Heater) - Remove and Install - Clean Emissions Module....51
Pressure Sensor (ARD Combustion Air) - Remove and Install - Clean Emissions Module....53
Nozzle Heater Harness - Remove and Install - Harness Assembly....56
Diesel Particulate Filter - Remove and Install - Clean Emissions Module....58
Flame Detection Temperature Sensor - Remove and Install - Clean Emissions Module....62
Soot Sensor - Remove and Install....64
Temperature Sensor (DPF) - Remove and Install - Clean Emissions Module....67
Inlet Manifold - Remove and Install - Clean Emissions Module....69
Exhaust Elbow - Remove and Install....72
Exhaust Pipe - Remove and Install - Clean Emissions Module....76
Exhaust Sensor Lines - Remove and Install - Venturi....77
Exhaust Cooler (NRS) - Remove and Install....79
Exhaust Gas Valve (NRS) - Remove and Install....81
Exhaust Manifold - Remove and Install....84
Clean Emissions Module - Remove and Install....87
Fumes Disposal Filter - Remove and Install....93
Air Control Valve - Remove and Install - ARD Combustion; Clean Emissions Module....95
Air Control Valve - Remove and Install - Control Module; Clean Emissions Module....98
Fuel Filter (Secondary) and Fuel Filter Base - Remove and Install....100
Water Temperature Regulator - Remove and Install....102
Water Pump - Remove and Install....105
Water Pump - Disassemble....108
Water Pump - Assemble....110
Expansion Tank - Remove and Install....112
Radiator Core - Remove and Install....114
Cooling System Package (Radiator; Fan Group; Fuel Cooler; Aftercooler; Hydraulic Oil Cooler; Refrigerant Condenser) - Remove and Install....117
Fan Group (Includes Fan; Fan Guard; Fan Shroud; and Hydraulic Fan Motor) - Remove and Install....123
Piston Motor (Hydraulic Fan) - Disassemble....127
Piston Motor (Hydraulic Fan) - Assemble....134
Aftercooler - Remove and Install....141
Hydraulic Oil Cooler - Remove and Install....144
Power Train Oil Cooler (Transmission) - Remove and Install....146
Engine Oil Cooler - Remove and Install....149
Engine Oil Filter and Oil Filter Base - Remove and Install....151
Turbocharger - Remove and Install....155
Air Cleaner - Remove and Install....158
Refrigerant Compressor - Remove and Install....161
Refrigerant Condenser - Remove and Install....163
Engine Oil Pan - Remove and Install....165
Engine Oil Pump - Remove and Install....167
Engine; Torque Converter; Transmission and Output Transfer Gears - Remove....171
Engine; Torque Converter; Transmission and Output Transfer Gears - Install....185
KENR6445 - Systems Operation (980K Wheel Loader Power Train)....197
General Information....198
Power Train Electronic Control System....201
Autoshift Control....214
Variable Shift Control....219
Integrated Braking System....220
Ground Speed Limiter....230
Electronic Control Module (Power Train)....231
Electrical Input Components....236
Electrical Output Components....249
Data Link....255
Monitoring System (Power Train Functions)....257
Power Train Torque Strategy....260
Torque Converter and Pump Drive Housing....261
Torque Converter....264
Torque Converter (Freewheel Stator) (Lockup)....268
Transmission Hydraulic System....272
Transmission Oil Pump....276
Oil Filter (Power Train)....279
Transmission Oil Cooler....282
Transmission Lubrication....284
Transmission Hydraulic Control....287
Modulating Valve (Transmission Clutch)....290
Transmission Hydraulic Control Operation....297
Transmission Planetary....306
Output Transfer Gears....315
Differential....319
Limited Slip Differential....322
NoSPIN Differential....328
Final Drive and Wheel....336
Oil Coolers and Cooling System Operation....338
KENR6446 - Testing and Adjusting (980K Wheel Loader)....346
Wiring Harness (Open Circuit) - Test....347
Wiring Harness (Short Circuit) - Test....348
Electrical Connector - Inspect....349
Electronic Control Module (ECM) - Replace....357
Electronic Control Module (ECM) - Flash Program....358
Electronic Control Module (ECM) - Configure....359
Transmission Clutch Hold Level (Electronic Technician) - Calibrate....365
Transmission Clutch Ramp Level (Electronic Technician) - Calibrate....371
Fill Time for the Transmission Clutch (Electronic Technician) - Calibrate....376
Position Sensor (Left Brake Pedal) (Electronic Technician) - Calibrate....382
Torque Converter Stall - Test....390
Transmission Pressures - Test and Adjust....396
Output Transfer Gears - Adjust....415
Differential Pinion Preload - Adjust....419
Differential Backlash and Bearings - Adjust....423
Limited Slip Differential Disc End Play - Check....429
Wheel Bearings - Adjust....430
Glossary of Electrical Terms....433
System Schematic....437
KENR6446 - Troubleshooting (980K Wheel Loader)....440
General Information....444
Service Tools....446
Connector Locations....448
Diagnostic Capabilities....452
Machine Preparation for Troubleshooting....458
Visual Inspection....460
Symptom Troubleshooting....463
Emerging Symptom Information....465
Torque Converter Troubleshooting....466
Transmission Troubleshooting....469
Differential and Final Drive Troubleshooting....483
Event Code List....487
Diagnostic Code List....494
Using the Operator Monitor to Determine Diagnostic Codes....504
Using Caterpillar Electronic Technician to Determine Diagnostic Codes....507
KENR6447 - Disassembly and Assembly (980K Wheel Loader Power Train)....879
Steering Frame Lock - Separate and Connect....882
System Pressure - Release....885
Crankcase Guard - Remove and Install....889
Power Train Guard (Transmission) - Remove and Install....891
Fender (Front) - Remove and Install....893
Relief Valve (Torque Converter Outlet) - Remove....895
Relief Valve (Torque Converter Outlet) - Disassemble....896
Relief Valve (Torque Converter Outlet) - Assemble....900
Relief Valve (Torque Converter Outlet) - Install....904
Transmission Oil Pump - Remove....905
Transmission Oil Pump - Disassemble....908
Transmission Oil Pump - Assemble....912
Transmission Oil Pump - Install....919
Relief Valve (Transmission Hydraulic Control) - Remove....922
Relief Valve (Transmission Hydraulic Control) - Disassemble....927
Relief Valve (Transmission Hydraulic Control) - Assemble....929
Relief Valve (Transmission Hydraulic Control) - Install....932
Modulating Valve (Transmission Clutch) - Remove....936
Modulating Valve (Transmission Clutch) - Disassemble....938
Modulating Valve (Transmission Clutch) - Assemble....940
Modulating Valve (Transmission Clutch) - Install....942
Steering Frame Lock - Separate and Connect 01_08_2012....944
Torque Converter; Transmission and Output Transfer Gears - Remove....950
Torque Converter from Transmission; Output Transfer Gears - Separate....958
Torque Converter - Disassemble - Heavy Duty....964
Torque Converter - Disassemble - Lock Up Clutch With Freewheel Stator....980
Torque Converter - Assemble - Lock Up Clutch with Freewheel Stator....996
Torque Converter - Assemble - Heavy duty....1014
Torque Converter (Freewheel Stator) - Disassemble....1031
Torque Converter (Freewheel Stator) - Assemble....1050
Transmission from Output Transfer Gears - Separate....1070
Output Transfer Gears - Disassemble....1074
Output Transfer Gears - Assemble....1089
Transmission Planetary - Disassemble - Heavy Duty....1107
Transmission Planetary - Disassemble....1138
Transmission Planetary - Assemble....1177
Transmission Planetary - Assemble - Heavy Duty....1217
Transmission to Output Transfer Gears - Connect....1248
Torque Converter to Transmission; Output Transfer Gears - Connect....1252
Torque Converter; Transmission and Output Transfer Gears - Install....1257
Parking Brake Actuator - Remove and Install....1264
Parking Brake - Remove....1269
Parking Brake - Install....1274
Drive Shaft (Front) - Remove and Install....1278
Carrier Bearing (Drive Shaft) - Remove and Install....1280
Drive Shaft (Center) - Remove and Install....1286
Drive Shaft (Rear) - Remove and Install....1288
Tire and Rim (Front) - Remove and Install....1290
Tire and Rim (Rear) - Remove and Install....1293
Fixed Axle (Front) - Remove....1297
Fixed Axle (Front) - Install....1300
Oscillating Axle (Rear) - Remove....1303
Trunnion Support (Oscillating Axle; Front) - Remove and Install....1308
Trunnion Support (Oscillating Axle; Rear) - Remove and Install....1313
Axle Shaft - Remove and Install....1320
Final Drive; Brake and Wheel - Remove....1325
Final Drive Planetary Carrier - Disassemble....1329
Final Drive Planetary Carrier - Assemble....1333
Final Drive and Wheel - Disassemble....1336
Final Drive Spindle and Service Brake - Disassemble....1343
Final Drive Spindle and Service Brake - Assemble....1348
Final Drive and Wheel - Assemble....1356
Duo-Cone Conventional Seals - Install....1365
Final Drive; Brake and Wheel - Install....1372
Differential and Bevel Gear - Remove....1376
Differential and Bevel Gear - Disassemble....1379
Differential and Bevel Gear - Assemble....1391
Differential and Bevel Gear - Install....1410
Limited Slip Differential - Disassemble....1413
Limited Slip Differential - Assemble....1421
NoSPIN Differential - Disassemble....1430
NoSPIN Differential - Assemble....1433
Oscillating Axle (Rear) - Install....1436
KENR6450 - Specifications (980K Wheel Loader Steering System)....1441
Hydraulic Tank....1443
Temperature Sensor (Hydraulic Oil)....1447
Piston Pump (Steering)....1448
Piston Pump (Brake; Pilot; Fan)....1454
Control Manifold (Brake; Pilot; Fan)....1456
Gear Pump (Secondary Steering)....1458
Steering Control....1460
Solenoid Valve (Steering)....1462
Steering Control Valve....1463
Solenoid Valve (Pilot Proportioning)....1465
Pressure Sensor (Steering) - Secondary Steering....1466
Relief Valve....1467
Diverter Valve (Secondary Steering)....1468
Steering Cylinder....1470
Accumulator (Steering) - Uncharged....1472
Articulated Hitch....1474
Torque Converter and Transmission Pressures....1476
Torque Converter and Pump Drive Housing....1478
Torque Converter....1481
Torque Converter (Freewheel Stator)....1484
Torque Converter (Lockup)....1487
Relief Valve (Torque Converter Outlet)....1490
Temperature Sensor (Torque Converter Oil) (Transmission Oil)....1492
Temperature Sensor (Torque Converter Oil)....1493
Transmission Oil Pump....1494
Oil Filter (Power Train)....1497
Engine and Transmission Support Group....1499
Left Hand Steering Control - Includes Transmission Controls....1501
Transmission Hydraulic Control....1507
Transmission Control Valve....1509
Modulating Valve (Transmission Clutch)....1511
Transmission Planetary....1513
Output Transfer Gears....1516
Speed Sensor (Transmission Input)....1520
Speed Sensor (Transmission Output)....1521
Drive Shaft....1522
Differential and Bevel Gear....1524
Limited Slip Differential....1526
Fixed Axle (Front)....1528
Oscillating Axle (Rear)....1530
Final Drive and Wheel....1533
Rim Mounting....1535
Axle Oil Cooler Pump and Clutch....1536
Check Valve (Axle Oil Cooler Bypass)....1537
Temperature Sensor (Axle Oil)....1538
KENR6451 - Systems Operation (980K Wheel Loader Steering System)....1539
General Information (Steering)....1540
General Information (Electrical System)....1551
Steering System (Electrical)....1554
Monitoring System (Steering Functions)....1580
Piston Pump (Steering)....1582
Piston Pump (Brake; Pilot; Fan)....1590
Control Manifold (Brake; Pilot; Fan)....1599
Steering Control Valve....1606
Secondary Steering System....1610
Secondary Steering System (Electrical)....1615
Gear Pump (Secondary Steering)....1623
Diverter Valve (Secondary Steering)....1626
KENR6452 - Testing and Adjusting (980K Wheel Loader Steering System)....1628
Machine Preparation for Troubleshooting....1629
Visual Inspection....1631
Steering System Troubleshooting....1634
System Pressure - Release....1639
Hydraulic Oil Contamination - Test....1647
Pressure Tap Locations....1651
Piston Pump (Steering) High Pressure Stall - Test and Adjust....1656
Piston Pump (Steering) Margin Pressure - Test and Adjust....1663
Piston Pump (Steering) Low Pressure Standby - Test and Adjust....1671
Relief Valve (Pump Backup) - Test and Adjust....1677
Relief Valve - Test and Adjust - Steering Cylinder Work Port....1683
Steering Pilot System Pressure - Test....1690
Steering Time - Check....1697
Articulated Hitch - Adjust....1699
KENR6453 - Specifications (980K Wheel Loader Braking and Hydraulic Fan System)....1703
Hydraulic Tank....1704
Temperature Sensor (Hydraulic Oil)....1706
Oil Filter (Hydraulic)....1707
Check Valve (Hydraulic Oil Cooler Bypass)....1709
Air Pump (Variable Pitch Fan)....1710
Piston Pump (Brake; Pilot; Fan)....1711
Control Manifold (Brake; Pilot; Fan)....1713
Piston Motor (Hydraulic Fan)....1715
Brake Accumulator....1717
Foot Brake Control....1720
Hydraulic Tank 01_06_2011....1722
Position Sensor (Left Brake Pedal)....1723
Limit Switch (Stop Light)....1724
Brake Control Valve (Service)....1726
Pressure Sensor (Service Brake Oil)....1728
Brake Control Valve (Parking)....1729
Pressure Sensor (Parking Brake Oil)....1731
Parking Brake Actuator....1732
Parking Brake....1734
Service Brakes....1737
KENR6454 - Systems Operation (980K Wheel Loader Braking and Hydraulic Fan System)....1740
General Information (Brake; Hydraulic Fan System)....1741
Monitoring System (Brake Functions)....1746
Piston Pump (Brake; Pilot; Fan)....1748
Brake Accumulator....1757
Control Manifold (Brake; Pilot; Fan)....1760
Brake Control Valve (Service)....1767
Transmission Neutralizer Override Switch....1771
Position Sensor (Left Brake Pedal)....1776
Brake Control Valve (Parking)....1778
Parking Brake....1783
Service Brakes....1786
Service Brake Wear Indicator....1788
Hydraulic Fan System....1791
Variable Pitch Fan System....1794
Piston Motor (Hydraulic Fan)....1797
Oil Coolers and Cooling System Operation....1801
KENR6455 - Testing and Adjusting (980K Wheel Loader Braking and Hydraulic Fan System)....1809
Machine Preparation for Troubleshooting....1810
Visual Inspection....1812
Brake and Hydraulic Fan System Troubleshooting....1815
System Pressure - Release....1819
Hydraulic Oil Contamination - Test....1823
Pressure Tap Locations....1827
Brake Accumulator - Test and Charge....1832
Control Manifold (Charging Valve for the Brake Accumulators) - Test....1838
Service Brake System Pressure - Test....1842
Limit Switch (Stop Light) - Adjust....1845
Brake System Air - Purge....1848
Service Brake Wear Indicator - Check....1850
Parking Brake - Manual Release....1853
Parking Brake Actuator - Adjust....1855
Parking Brake - Test....1860
Service Brakes - Test....1862
Hydraulic Fan Speed - Test and Adjust....1864
Variable Pitch Fan Cycle Time - Adjust....1876
Air Pump (Variable Pitch Fan) Pressure - Test....1879
KENR6456 - Specifications (980K Wheel Loader Electrohydraulic System)....1884
Hydraulic Tank....1885
Piston Pump (Implement)....1889
Piston Pump (Brake; Pilot; Fan)....1893
Control Manifold (Brake; Pilot; Fan)....1895
Main Control Valve....1897
Relief Valve (Load Sensing Signal)....1901
Solenoid Valve (Hydraulic Lockout)....1902
Control Valve (Tilt)....1903
Control Valve (Lift)....1907
Control Valve (Auxiliary)....1911
Relief Valve (Line)....1914
Ride Control Valve....1915
Relief Valve (Ride Control)....1921
Pilot Oil Accumulator (Dead Engine; Lift Arm Lower)....1923
Ride Control Accumulator....1926
Ride Control Accumulator - Uncharged....1928
Ride Control Accumulator - Charge....1932
Lift Cylinder....1938
Tilt Cylinder....1940
Tilt Cylinder (Logging Machines)....1943
Tilt Cylinder (Block Handling Machines)....1945
Hood Tilt Pump and Motor....1947
Work Tool Control....1950
KENR6457 - Systems Operation (980K Wheel Loader Electrohydraulic System)....1960
General Information (Electrohydraulic System)....1961
Implement Electronic Control System....1970
Aggregate Autodig....2003
Payload System....2008
Electronic Control Module - Implement....2017
Monitoring System (Hydraulic Functions)....2025
Work Tool System....2027
Piston Pump (Brake; Pilot; Fan)....2030
Piston Pump (Implement)....2039
Control Manifold (Brake; Pilot; Fan)....2042
Main Control Valve....2049
Relief Valve (Load Sensing Signal)....2061
Relief Valve (Line)....2063
Hood Tilt System....2070
Ride Control System....2075
Oil Coolers and Cooling System Operation....2078
KENR6458 - Testing and Adjusting (980K Wheel Loader Electrohydraulic System)....2086
Wiring Harness (Open Circuit) - Test....2087
Wiring Harness (Short Circuit) - Test....2089
Electrical Connector - Inspect....2092
Electronic Control Module (ECM) - Replace....2100
Electronic Control Module (ECM) - Flash Program....2106
Electronic Control Module (ECM) - Configure....2108
Calibration....2118
Position Sensor (Steering Cylinder) - Set....2126
Limit Switch (Steering Control Position) - Test and Adjust....2129
New Steering Cylinder Group - Set....2133
System Pressure - Release....2138
Hydraulic Oil Contamination - Test....2142
Pressure Tap Locations....2146
Piston Pump (Implement) Margin Pressure - Test and Adjust....2151
Implement Hydraulic Service Mode....2157
Implement Cycle Time - Check....2161
Lift and Tilt Cylinder Drift - Check....2170
Pilot Pressure to the Main Control Valve - Check....2173
Relief Valve (Load Sensing Signal) - Test and Adjust....2180
Relief Valve (Line) - Test and Adjust....2187
Hood Tilt System Air - Purge....2197
Ride Control Pressure Equalization Time - Adjust....2200
Ride Control Accumulator - Test and Charge - Single Accumulator....2204
Pilot Oil Accumulator - Test....2216
Glossary of Electrical Terms....2222
System Schematic....2226
KENR6458 - Troubleshooting (980K Wheel Loader Electrohydraulic System)....2228
General Information....2235
Service Tools....2242
Connector Locations....2245
Diagnostic Capabilities....2249
Machine Preparation for Troubleshooting....2255
Visual Inspection....2257
Symptom Troubleshooting....2260
Emerging Symptom Information....2262
Hydraulic System Troubleshooting....2263
Event Code List....2273
E256....2284
E257....2287
E258....2290
Diagnostic Code List....2295
Using the Operator Monitor to Determine Diagnostic Codes....2309
Using Caterpillar Electronic Technician to Determine Diagnostic Codes....2312
KENR6459 - Specifications (980K Wheel Loader Machine Systems)....3205
Cab Mounting....3206
Window Wiper and Wiper Motor....3209
Governor Pedal....3213
Position Sensor (Throttle)....3214
Fuel Level Sender....3216
Coolant Tank Cap....3218
KENR6460 - Disassembly and Assembly (980K Wheel Loader Machine Systems)....3219
Combination Valve (Brake Accumulator Charge; Fan Supply; Steering Pilot; Implement Pilot) - Remove and Install 01_04_2016....3222
Combination Valve (Brake Accumulator Charge; Fan Supply; Steering Pilot; Implement Pilot) - Remove and Install....3227
Combination Valve (Brake Accumulator Charge; Fan Supply; Steering Pilot; Implement Pilot) - Assemble....3229
Steering Frame Lock - Separate and Connect....3230
System Pressure - Release....3233
Hydraulic Tank Oil - Retain....3237
Hydraulic Tank - Remove and Install....3239
Hydraulic Tank - Disassemble....3242
Hydraulic Tank - Assemble....3247
Fuel Tank - Remove and Install....3253
Pump Control Valve (Steering) - Remove and Install....3258
Piston Pump (Steering) - Remove and Install....3260
Piston Pump (Steering) - Disassemble....3262
Piston Pump (Steering) - Assemble....3273
Gear Pump (Secondary Steering) - Remove and Install....3286
Gear Pump (Secondary Steering) - Disassemble....3288
Gear Pump (Secondary Steering) - Assemble....3295
Steering Control Valve - Remove and Install....3300
Steering Control Valve - Disassemble....3303
Steering Control Valve - Assemble....3312
Diverter Valve (Secondary Steering) - Remove and Install....3321
Diverter Valve (Secondary Steering) - Disassemble....3323
Diverter Valve (Secondary Steering) - Assemble....3328
Steering Cylinder - Remove and Install....3333
Brake Accumulator - Remove and Install....3343
Combination Valve (Brake Accumulator Charge; Fan Supply; Steering Pilot; Implement Pilot) - Disassemble....3349
Brake Control Valve (Service) - Remove and Install....3350
Brake Control Valve (Parking) - Remove and Install....3352
Piston Pump (Implement) - Remove and Install....3354
Piston Pump (Implement) - Disassemble....3358
Piston Pump (Implement) - Assemble....3373
Piston Pump (Brake; Pilot; Fan) - Remove and Install....3399
Piston Pump (Brake; Pilot; Fan) - Disassemble....3403
Piston Pump (Brake; Pilot; Fan) - Assemble....3421
Electrohydraulic Control - Remove and Install....3436
Electrohydraulic Control (Joystick) - Remove and Install....3442
Main Control Valve - Remove and Install....3444
Main Control Valve - Disassemble....3448
Main Control Valve - Assemble....3472
Ride Control Accumulator - Remove and Install....3496
Ride Control Accumulator - Disassemble....3499
Ride Control Accumulator - Assemble....3502
Lift Position Control - Remove and Install....3505
Tilt Position Control - Remove and Install....3507
Bucket - Remove and Install....3509
Tilt Cylinder - Remove and Install....3516
Tilt Lever and Tilt Link - Remove and Install....3525
Lift Cylinder - Remove and Install....3537
Lift Arms - Remove and Install....3555
Cab - Remove and Install....3573
Counterweight - Remove and Install....3578
Instrument Panel (Lower) - Remove and Install....3580
Instrument Panel (Upper) - Remove and Install....3582
Window Wiper and Wiper Motor (Front) - Remove and Install....3584
Window Wiper and Wiper Motor (Rear) - Remove and Install....3591
Seat - Remove and Install....3596
Blower Motor (Air Conditioner; Heater) - Remove and Install....3598
Evaporator Coil and Heater Coil - Remove and Install....3602
Refrigerant Receiver-Dryer - Remove and Install....3608
Refrigerant Accumulator - Remove and Install....3610
Loader Frame from Rear Frame - Separate....3612
Loader Frame to Rear Frame - Connect....3626
KENR6461 - Schematic (980K and 980K OEM Wheel Loader Hydraulic System)....3639
Main....3640
Features....3640
Cover Page....3641
Information....0
Component Location....0
Page 1 of 2....3642
Page 2 of 2....3643
Tap Location....3644
Fluid Power Symbols....3645
Electrical Symbols....3646
Schematic....3647
Machine Views....0
Left Side View....3648
Right Side View....3649
Collage....3650
KENR6462 - Schematic (980K Wheel Loader and 980K OEM Wheel Loader Electrical System)....3674
Feature....3674
Cover Page....3676
Information....0
Component Location....0
Volume 1 of - Engine and Chassis....0
Page 1 of 2....3677
Page 2 of 2....3678
Volume 2 of 2 - Cab....3679
Connector Location....0
Volume 1 of - Engine and Chassis....3680
Volume 2 of 2 - Cab....3681
CID/MID/FMI....0
Volume 1 of - Engine and Chassis....3682
Volume 2 of 2 - Cab....0
Page 1 of 2....3683
Page 2 of 2....3684
Specifications and Related Manuals....0
Volume 1 of - Engine and Chassis....3685
Volume 2 of 2 - Cab....3686
Schematics....0
Volume 1 of - Engine and Chassis....3687
Volume 2 of 2 - Cab....3688
Machine Views....0
Volume 1 of - Engine and Chassis....0
Center Frame....3689
Chassis Wiring....3690
Engine ARD View....3691
Engine Side View....3692
Front Frame....3693
Implement Valve....3694
Left Rear Frame....3695
Right Rear Frame....3696
Steering Valve....3697
Top Engine View....3698
Volume 2 of 2 - Cab....0
Cab Main Wiring....3699
Hanress P Joystick Steering....3700
Harness A A/c Unit....3701
Harness CV 20A Converter....3702
Hanrness G Implement....3703
Harness J Mirrors....3704
Harness PY PCS Printer....3705
Harness X Implement POD....3706
Rear Cab View....3707
UENR0786 - Systems Operation (980K Wheel Loader Machine Electronic Control System)....3708
Service Tools....3709
General Information....3711
Features....3717
Location of Electrical Components....3741
Electrical Input Components....3742
Electronic Control Module....3753
Electrical Output Components....3759
Data Link....3768
UENR0786 - Testing and Adjusting (980K Wheel Loader Machine Electronic Control System)....3771
Electrical Connector - Inspect....3772
Wiring Harness (Open Circuit) - Test....3780
Wiring Harness (Short Circuit) - Test....3782
Electronic Control Module (ECM) - Flash Program....3785
Electronic Control Module (ECM) - Configure....3787
Electronic Control Module (ECM) - Replace....3790
System Schematic....3793
UENR0786 - Troubleshooting (980K Wheel Loader Machine Electronic Control System)....3795
Connector Locations....3802
Diagnostic Capabilities....3806
Symptom Troubleshooting....3812
Emerging Symptom Information....3814
Event Code List....3815
E256....3823
E257....3826
E258....3829
Diagnostic Code List....3834
Using the Operator Monitor to Determine Diagnostic Codes....3847
Using Caterpillar Electronic Technician to Determine Diagnostic Codes....3850
Power Supply Circuit of Electronic Control Module....4582
Pulse Width Modulated Sensor....4585
Switch Circuits....4588
UENR5486 - Schematic (980K and 980K OEM Wheel Loader Hydraulic System)....4591
Main....4592
Features....4592
Cover Page....4593
Information....0
Component Location....0
Page 1 of 2....4594
Page 2 of 2....4595
Tap Location....4596
Fluid Power Symbols....4597
Electrical Symbols....4598
Schematic....4599
Machine Views....0
Left Side View....4600
Right Side View....4601
Collage....4602
Caterpillar 980K Wheel Loader Repair Service Manual
