Caterpillar 318E Excavator Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 318E Excavator, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Caterpillar 318E Excavator 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.
UENR3189 - Schematic (318E Excavator Electrical System (Interactive) (Cab) 364-0272-03 (Chassis)).pdf
UENR2714 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Medium Pressure).pdf
UENR2713 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Two Way _ One or Two Pump - Electric Control).pdf
UENR2712 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Combined Function - Electric Control).pdf
UENR2711 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Boom Lowering Control Valve).pdf
UENR2710 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Stick Lowering Control Valve).pdf
UENR2707 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Universal Quick Coupler).pdf
UENR2702 - Schematic (318E Excavator Hydraulic Schematic).pdf
KENR9858 - Disassembly and Assembly (318E Excavator Machine Systems).pdf
KENR9857 - Disassembly and Assembly (318E Excavator C4.4 Engine Supplement).pdf
KENR9684 - Testing and Adjusting (318E Excavator Systems).pdf
KENR9684 - Systems Operation (318E Excavator Systems).pdf
KENR9683 - Specifications (318E Excavator Machine System).pdf
KENR8207 - Troubleshooting (312E; 316E and 318E Excavators).pdf
PRODUCT DETAILS:
Total Pages: 1,921 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
KENR8207 - Troubleshooting (312E; 316E and 318E Excavators)...2
Alarm - Test...3
CAN Data Link - Test...8
Connector Contact Description...18
Connector Locations...23
Determining Diagnostic Trouble Codes...24
Diagnostic Capabilities...33
Diagnostic Trouble Codes...37
ECM - Configure...47
ECM - Replace...49
ECM Software - Install...51
Electrical Connector - Inspect...53
Electrical Power Supply - Test...60
Emerging Symptom Information...64
Event Codes...67
General Information...72
Indicator Lamp - Test...74
Relay - Test...78
Sensor Signal (Analog, Active) - Test...83
Sensor Signal (Analog, Passive) - Test...92
Sensor Signal (PWM) - Test...96
Sensor Supply - Test...108
Service Tools...114
Solenoid Valve - Test...117
Switch Circuits - Test...127
Symptom Troubleshooting...132
System Schematic...134
Window Wiper Delay - Test...138
Wiring Harness (Open Circuit) - Test...143
Wiring Harness (Short Circuit) - Test...144
KENR9858 - Disassembly and Assembly (318E Excavator Machine Systems)...146
Duo-Cone Conventional Seals - Install...149
System Pressure - Release...162
Bucket - Remove and Install...163
Bucket Linkage - Remove and Install...165
Bucket Linkage Bearings and Seals - Remove and Install...172
Bucket Cylinder - Remove and Install...178
Load Control Valve (Stick Cylinder) - Remove and Install...186
Stick Cylinder - Remove and Install...194
Stick - Remove and Install...202
Stick Bearings and Seals - Remove and Install...214
Load Control Valve (Boom Cylinder) - Remove and Install...220
Boom Cylinder - Remove and Install...228
Boom - Remove and Install...246
Boom Bearings and Seals - Remove and Install...255
Upper Frame and Undercarriage Frame - Separate and Connect...259
Window Wiper Motor - Remove and Install - Lower...273
Window Wiper Motor - Remove and Install - Upper...276
Cab - Remove and Install...282
Counterweight - Remove and Install...294
Fuel Tank - Remove and Install...297
Check Valve (Cooler Bypass) - Remove and Install...305
Check Valve (Cooler Bypass) - Disassemble...309
Check Valve (Cooler Bypass) - Assemble...311
Hydraulic Lockout Control - Remove and Install...313
Seat - Remove and Install...315
Seat Support - Remove and Install...317
Seat Suspension - Remove and Install...318
Heating and Air Conditioning Unit - Remove and Install...320
Refrigerant Receiver-Dryer - Remove and Install...325
Actuator Motor (Air Distributor) - Remove and Install...328
Control Module (Automatic Temperature Control Unit) - Remove and Install...330
Track Carrier Roller - Remove and Install...333
Track Roller - Remove and Install...338
Track - Separate and Connect...345
Front Idler; Recoil Spring and Hydraulic Track Adjuster - Remove and Install...350
Recoil Spring - Remove and Install...355
Hydraulic Track Adjuster - Disassemble and Assemble...368
Counterbalance Valve (Travel) - Remove and Install...373
Counterbalance Valve (Travel) - Disassemble...375
Counterbalance Valve (Travel) - Assemble...380
Travel Motor - Remove and Install...385
Travel Motor - Disassemble...389
Travel Motor - Assemble...398
Final Drive - Remove and Install...414
Final Drive - Disassemble...417
Final Drive - Assemble...429
Swivel - Remove and Install...444
Swivel - Disassemble...450
Swivel - Assemble...452
Swing Cushion Valve - Remove and Install...456
Swing Cushion Valve - Disassemble...457
Swing Cushion Valve - Assemble...461
Swing Motor and Swing Drive - Remove and Install...465
Swing Motor - Disassemble...470
Swing Motor - Assemble...480
Swing Drive - Disassemble...490
Swing Drive - Assemble...500
Swing Gear and Bearing - Remove and Install...514
Oil Filter (Hydraulic; Return) - Remove and Install...524
Hydraulic Tank - Remove and Install...532
Gear Pump (Pilot) - Remove and Install...540
Gear Pump (Pilot) - Disassemble...542
Gear Pump (Pilot) - Assemble...549
Main Hydraulic Pump and Pump Drive Coupling - Remove and Install...556
Main Hydraulic Pump - Disassemble...562
Main Hydraulic Pump - Assemble...580
Pump Drive Coupling - Remove and Install...592
Auxiliary Pilot Valve (Straight Travel) - Remove and Install...597
Selector Valve (Alternate Pattern Control) - Remove and Install...601
Pilot Valve (Joystick) - Remove and Install...603
Pilot Valve (Joystick) - Disassemble...608
Pilot Valve (Joystick) - Assemble...613
Control Manifold (Pilot Oil) - Remove and Install...619
Pilot Valve (Travel) - Remove and Install...627
Pilot Valve (Travel) - Disassemble...631
Pilot Valve (Travel) - Assemble...641
Accumulator - Remove and Install...656
Main Control Valve - Remove and Install...661
Main Control Valve - Disassemble...665
Main Control Valve - Assemble...689
KENR9857 - Disassembly and Assembly (318E Excavator C4.4 Engine Supplement)...738
System Pressure - Release...740
Battery - Remove and Install...741
Alternator - Remove and Install...743
Electric Starting Motor - Remove and Install...745
Fuel Manifold - Remove and Install...747
Diesel Particulate Filter - Remove and Install...751
Soot Antenna - Remove and Install...754
Soot Sensor - Remove and Install...756
Temperature Sensor (DPF) - Remove and Install...758
Pressure Sensor (DPF) - Remove and Install - Clean Emissions Module...760
Exhaust Elbow - Remove and Install...764
Clean Emissions Module - Remove and Install...766
Fuel Filter and Base - Remove and Install...769
Water Separator and Fuel Priming Pump - Remove and Install...771
Engine Oil Filter and Oil Filter Base - Remove and Install...773
Fuel Cooler - Remove and Install...775
Hydraulic Oil Cooler - Remove and Install...777
Air Cleaner - Remove and Install...779
Aftercooler - Remove and Install...781
Turbocharger - Remove and Install...784
Water Temperature Regulator - Remove and Install...786
Radiator - Remove and Install...789
Belt Tensioner - Remove and Install...792
Cooling System Package (Radiator; Hydraulic Oil Cooler; and Aftercooler) - Remove and Install...794
Fan - Remove and Install...802
Water Pump - Remove and Install...806
Crankshaft Pulley - Remove and Install...813
Crankshaft Front Seal - Remove and Install...816
Oil Pan - Remove and Install - Aluminum and Pressed Steel Oil Pans...820
Engine Front Mount - Remove and Install...832
Engine Rear Mount - Remove and Install...835
Refrigerant Compressor - Remove and Install...837
Refrigerant Condenser - Remove and Install...839
Hood - Remove and Install...842
Engine - Remove and Install...844
UENR2702 - Schematic (318E Excavator Hydraulic Schematic)...855
Main...856
Features...856
Cover Page...857
Information...0
Component Location...858
Tap Location...859
Fluid Power Symbols...860
Electrical Symbols...861
Schematic...862
Machine Views...0
Machine Component Locations...863
Cab View Top...864
Main Control Valve...865
Main Pump...866
Collage...867
UENR2707 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Universal Quick Coupler)...882
Main...883
Features...883
Cover Page...884
Information...0
Component Location...885
Tap Location...886
Fluid Power Symbols...887
Electrical Symbols...888
Schematic...889
Machine Views...0
Machine Component Location ...890
Cab View - Top...891
Main Control Valve...892
Main Pump...893
Universal Quick Coupler...894
Collage...895
UENR2710 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Stick Lowering Control Valve)...910
Main...911
Features...911
Cover Page...912
Information...0
Component Location...913
Tap Location...914
Fluid Power Symbols...915
Electrical Symbols...916
Schematic...917
Machine Views...0
Machine Component Locations...918
Cab View - Top...919
Main Control Valve...920
Main Pump...921
Collage...922
UENR2711 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Boom Lowering Control Valve)...937
Main...938
Features...938
Cover Page...939
Information...0
Component location...940
Tap Location...941
Fluid Power Symbols...942
Electrical Symbols...943
Schematic...944
Machine View...0
Machine Component Locations...945
Cab View - Top...946
Main Control Valve...947
Main Pump...948
Collage...949
UENR2712 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Combined Function - Electric Control)...964
Main...965
Features...965
Cover Page...966
Information...0
Component Location...967
Tap Location...968
Fluid Power Symbols...969
Electrical Symbols...970
Schematic...971
Machine Views...0
Machine Component Locations...972
Cab Top View...973
Combined Function...974
Main Control Valve...975
Main Pump...976
Collage...977
UENR2713 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Two Way _ One or Two Pump - Electric Control)...992
Main...993
Features...993
Cover Page...994
Information...0
Component Location...995
Tap Location...996
Fluid Power Symbols...997
Electrical Symbols...998
Schematic...999
Machine Views...0
Machine Component Locations...1000
Cab View - Top...1001
Main Control Valve...1002
Main Pump...1003
Two Way / One Or Two Pump...1004
Collage...1005
UENR2714 - Schematic (318E Excavator Hydraulic Schematic - Attachment - Medium Pressure)...1020
Main...1021
Features...1021
Cover Page...1022
Information...0
Component Location...1023
Tap Location...1024
Fluid Power Symbols...1025
Electrical Symbols...1026
Schematic...1027
Machine Views...0
Machine Component Locations...1028
Cab View - Top...1029
Main Control Valve...1030
Main Pump...1031
Medium Pressure...1032
Collage...1033
UENR3189 - Schematic (318E Excavator Electrical System (Interactive) (Cab) 364-0272-03 (Chassis))...1048
Main...1049
Features...1049
Cover page...1051
Tables...0
Components...0
Cab...1052
Chassis, Accugrade, Engine, and Product Link...1053
Connectors...1054
Specifications and Related Manuals...0
Cab...1055
Chassis, Accugrade, Engine, and Product Link...1056
Schematic...0
Cab...1057
Chassis, Accugrade, Engine, and Product Link...1058
Machine Views...0
ROPS Harness...1059
Refueling and Fine Swing...1060
Pump Room...1061
Pilot Manifold...1062
Horns...1063
Harnesses AT, HH, HA...1064
Engine...1065
Control Valve...1066
CEM...1067
Cab RH Console...1068
Cab LH...1069
Cab Frame...1070
Cab Floor...1071
Cab Controls...1072
Battery Room...1073
Accugrade and Product Link...1074
Tool 10 with Hammer...1075
Tool 20, 21, 25 and Medium Circuit...1076
WAVS Camera...1077
Collage...1078
KENR9683 - Specifications (318E Excavator Machine System)...1136
Air Cleaner...1140
Air Cleaner - Precleaner...1141
Main Hydraulic Pump...1142
Auxiliary Pump Drive and Mounting...1145
Pilot Lines (Main Pump)...1147
Main Control Valve...1149
Pump Lines...1174
Pump Lines (Main)...1176
Pump Coupling...1178
Pump Control Valve...1179
Relief Valve (Line)...1181
Front Lines...1183
Hydraulic Oil Lines...1195
Boom Lines...1197
Boom Cylinder Lines...1203
Boom Cylinder - VA...1217
Boom Cylinder...1219
Pilot Valve - Stick...1224
Pilot Valve...1226
Solenoid Valve (Proportional Reducing)...1230
Manifold and Reducing Valve (Pilot Oil)...1231
Boom - 2.597 m (8.5203 ft) - Fore - Variable Adjustable...1232
Boom - 2.293 m (7.5230 ft) - Stub - Variable Adjuster...1234
Boom - 5.1 m (16.73 ft)...1236
Excavator Pins (Boom and Boom Cylinder)...1238
Stick - 3.1 m (10.17 ft)...1240
Stick - 2.9 m (9.51 ft)...1242
Stick - 2.6 m (8.53 ft)...1244
Stick - 2.2 m (7.22 ft)...1248
Stick Lines - Long...1250
Stick Lines...1251
Stick Cylinder...1253
Stick Cylinder Lines...1259
Cylinder Guard...1263
Bucket Cylinder Lines...1265
Bucket Cylinder...1267
Bucket Adjuster...1269
Bucket Linkage - With Lifting Eye...1270
Hydraulic Tank Mounting...1273
Hydraulic Tank and Filter...1274
Hydraulic Oil Cooler Lines Group...1276
Check Valve (Hydraulic Oil Cooler Bypass)...1278
Gear Pump - Auxiliary...1279
Control Manifold (Pilot Oil)...1280
Pressure Reducing Valve (Boom Priority)...1282
Swing Cushion Valve...1283
Pilot Valve (Travel)...1284
Accumulator (Pilot)...1288
Pilot Lines...1289
Shuttle Valve (Pilot Lines)...1311
Pilot Valve (Joystick)...1314
Hoist Solenoid Valve - Work Tool...1316
Solenoid Valve and Mounting...1317
Solenoid Valve (Work Tool; 4-Function)...1318
Pilot Valve (Auxiliary)...1319
Swivel...1321
Swing Drive...1322
Swing Gear and Bearing...1327
Sprocket...1330
Travel Motor...1331
Travel Motor and Mounting...1338
Travel Motor Guard...1339
Handle Control (Travel)...1340
Travel Counterbalance Valve...1341
Travel Motor Lines...1343
Final Drive...1345
Front Idler...1348
Track Adjuster and Recoil...1350
Track Carrier Roller...1354
Track Roller (Single Flange)...1356
Track Roller Mounting...1360
Track...1362
Fuel Tank...1364
Fuel Tank and Mounting...1366
Engine Mounting...1370
Control Valve - Variable Adjustable Boom...1372
Control Valve...1374
Solenoid Valve (Quick Coupler)...1376
Shuttle Valve (Pump Flow Control)...1378
Counterweight...1379
Auxiliary Hydraulic Lines - High Pressure Reach Boom...1380
Auxiliary Hydraulic Lines - Medium Pressure Stub...1381
Auxiliary Hydraulic Lines - Medium Pressure Fore...1383
Auxiliary Hydraulic Lines - Coupler Lines for Reach Boom...1385
Auxiliary Hydraulic Lines - Medium Pressure Stick...1387
Auxiliary Hydraulic Lines - Medium Pressure Boom...1389
Auxiliary Hydraulic Lines...1392
Grease Lines...1400
Blower Motor...1404
Heater and Air Conditioner Mounting...1406
Air Conditioner Lines...1408
Refrigerant Compressor...1410
Refrigerant Compressor Mounting...1412
Pressure Switch (Refrigerant Pressure Cutoff)...1413
Pressure Sensor...1414
Operator Console...1415
Joystick Control...1416
Hydraulic Pedal Control (Auxiliary)...1417
Rollover Protective Structure (ROPS) Mounting...1421
Cab - Air Duct...1422
Cab...1424
Cab - Protection Visor...1426
Cab - Front Window Guard...1427
KENR9684 - Systems Operation (318E Excavator Systems)...1429
General Information...1431
Main Hydraulic System...1432
Main Electrical System...1437
Engine Control...1442
Electrical Input Components...1454
Electrical Output Components...1470
Electronic Control Module...1475
Related Components...1482
Pilot System...1485
Gear Pump (Pilot)...1495
Hydraulic Filter (Pilot)...1496
Relief Valve (Pilot)...1498
Accumulator (Pilot)...1500
Solenoid Valve (Hydraulic Lockout)...1503
Pilot Valve (Joystick)...1509
Solenoid Valve (Proportional Reducing) - Power Shift System...1512
Main Hydraulic Pump...1517
Pump Control (Main Hydraulic) - Main Pump Regulator...1522
Main Control Valve...1534
Negative Flow Control System...1547
Relief Valve (Main)...1553
Relief Valve (Line)...1559
Check Valve (Load)...1563
Boom System...1567
Boom Drift Reduction Valve...1576
Control Valve (Boom Lowering)...1580
Stick System...1586
Stick Drift Reduction Valve...1596
Control Valve (Stick Lowering)...1601
Bucket System...1608
Cylinders (Boom; Stick and Bucket)...1611
Swing System...1613
Swing Motor...1619
Pilot Valve (Swing Parking Brake)...1623
Relief Valve (Swing)...1627
Oil Makeup (Swing System)...1632
Relief Valve (Cushion Crossover) - Anti-Reaction Valves...1637
Solenoid Valve (Fine Swing) - If Equipped...1647
Swing Drive...1650
Travel System...1655
Pilot Valve (Travel)...1667
Travel Motor...1670
Travel Parking Brake...1674
Displacement Change Valve...1677
Travel Counterbalance Valve...1682
Oil Makeup (Travel System)...1690
Control Valve (Straight Travel)...1692
Final Drive...1697
Swivel...1701
Return Hydraulic System...1707
Check Valve (Return Makeup) - Slow Return Check Valve...1713
Bypass Valve (Return) - Bypass Check Valve...1716
Hydraulic Tank and Filter...1719
Oil Filter (Return) - Case Drain Filter...1721
Hydraulic Oil Cooler...1723
KENR9684 - Testing and Adjusting (318E Excavator Systems)...1725
General Testing and Adjusting Information...1727
Visual Inspection...1728
System Pressure - Release...1730
Main Hydraulic Pump Air - Purge...1731
Overload Warning - Set - If Equipped...1735
Operational Checks...1746
Engine Performance - Test - Engine Speed...1748
Travel on Level Ground - Test...1751
Travel on Level Ground - Test - Optional Test...1754
Automatic Travel Speed Control - Test...1757
Machine Drift on a Slope - Check...1763
Swing Speed and Overswing on Level Ground - Check...1765
Swing Speed and Swing Drift on a Slope - Check...1768
Cylinder Drift - Check - Empty Bucket...1772
Cylinder Drift - Check - Loaded Bucket...1776
Cylinder Speed - Check...1778
Relief Valve (Pilot) - Test and Adjust...1783
Accumulator (Pilot) - Test and Charge...1787
Solenoid Valve (Proportional Reducing) - Calibrate - Power Shift Pressure...1793
Solenoid Valve (Proportional Reducing) - Calibrate - Boom Down Regeneration...1806
Solenoid Valve (Proportional Reducing) - Calibrate - Negative Flow Control...1819
Relief Valve (Main) - Test and Adjust - VA Boom If Equipped...1834
Relief Valve (Main) - Test and Adjust...1840
Relief Valve (Line) - Test and Adjust - VA Boom If Equipped...1847
Relief Valve (Line) - Test and Adjust...1855
Swing Motor - Test - Measurement of Case Drain Oil...1865
Relief Valve (Swing) - Test and Adjust...1871
Swing Bearing Movement - Measure...1877
Travel Motor - Test - Measurement of Case Drain Oil...1883
Relief Valve (Crossover) - Test and Adjust...1889
Main Pump (Flow) - Test - Constant Horsepower Flow Control...1898
Main Pump (Flow) - Test - Hydraulic Power...1912
Pump Control (Output Flow) - Adjust...1924
Pump Control (Negative Flow) - Test...1930
Pump Control (Negative Flow) - Adjust...1943
Gear Pump (Pilot) - Test...1945
Specifications - VA Boom If Equipped...1951
Specifications...1956
Caterpillar 318E Excavator Repair Service Manual
