Caterpillar ARTICULATED TRUCK 725C Repair Service Manuals
Complete service repair manuals with electrical wiring diagrams for Caterpillar ARTICULATED TRUCK 725C (Prefix LFB, TFB, T26, T27, TA6), with all the workshop service information to maintain, diagnostic, repair, and rebuild.
Caterpillar ARTICULATED TRUCK 725C (Prefix LFB, TFB, T26, T27, TA6) workshop service 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.
Model Prefix
725C ARTICULATED TRUCK LFB
725C ARTICULATED TRUCK T26
725C ARTICULATED TRUCK TA6
725C ARTICULATED TRUCK TFB
725C OEM ARTICULATED TRUCK T27
UENR2383 - Disassembly and Assembly (725C Articulated Truck Power Train).pdf
UENR2386 - Disassembly and Assembly (725C Articulated Truck).pdf
UENR2381 - Testing and Adjusting (725C, 725C2, 730C and 730C2 Articulated Truck).pdf
UENR2381 - Systems Operation (725C, 725C2, 730C and 730C2 Articulated Truck).pdf
UENR2345 - Specifications (725C, 725C2, 730C, 730C2 and 730C, 730C2 EJECTOR Articulated Truck Systems).pdf
M78532 - Systems Operation (725C, 725C2, 730C, 730C2, 730C EJECTOR, 730C2 EJECTOR, 735B, 735C, 740B, 740B EJECTOR, 740C, 740C EJECTOR and 745C Articulated Trucks Automatic Lubrication System).pdf
UENR2378 - Disassembly and Assembly (725C Articulated Truck Engine Supplement).pdf
UENR2353 - Systems Operation (725C, 725C2, 730C and 730C2 Articulated Trucks Indication Display_CMPD Monitoring).pdf
UENR2353 - Troubleshooting (725C, 725C2, 730C and 730C2 Articulated Trucks Indication Display_CMPD Monitoring).pdf
M78532 - Testing and Adjusting (725C, 725C2, 730C, 730C2, 730C EJECTOR, 730C2 EJECTOR, 735B, 735C, 740B, 740B EJECTOR, 740C, 740C EJECTOR and 745C Articulated Trucks Automatic Lubrication System).pdf
UENR2353 - Testing and Adjusting (725C, 725C2, 730C and 730C2 Articulated Trucks Indication Display_CMPD Monitoring).pdf
UENR3202 - Schematic (725C and 730C Articulated Truck Hydraulic System).pdf
UENR5440 - Schematic (725C Articulated Truck Electrical System, Cab 446-4869, Chassis 442-8434, Transmission and Additional Chassis Components).pdf
UENR2276 - Troubleshooting (Fast Fuel Fill - Low Pressure System for Certain Machines).pdf
UENR2276 - Systems Operation (Fast Fuel Fill - Low Pressure System for Certain Machines).pdf
UENR2276 - Testing and Adjusting (Fast Fuel Fill - Low Pressure System for Certain Machines).pdf
Total Pages: 1,809 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Manual Type: Disassembly & Assembly, Testing & Adjusting, Specifications, Systems Operation, Electrical Schematic, Troubleshooting...
Language: English
TABLE OF CONTENTS
M78532 - Systems Operation (725C, 725C2, 730C, 730C2, 730C EJECTOR, 730C2 EJECTOR, 735B, 735C, 740B, 740B EJECTOR, 740C, 740C EJECTOR and 745C Articulated Trucks Automatic Lubrication System)....3
Electrical System....4
General Information....61
Lubrication Pump....78
Lubrication System....84
M78532 - Testing and Adjusting (725C, 725C2, 730C, 730C2, 730C EJECTOR, 730C2 EJECTOR, 735B, 735C, 740B, 740B EJECTOR, 740C, 740C EJECTOR and 745C Articulated Trucks Automatic Lubrication System)....91
Automatic Lubrication System - Adjust....92
Automatic Lubrication System - Test....103
Automatic Lubrication System Troubleshooting....106
Electrical System - Test....122
General Information....127
System Pressure - Release....128
Visual Inspection....130
UENR2276 - Systems Operation (Fast Fuel Fill - Low Pressure System for Certain Machines)....131
Fluids Service System....132
Introduction....140
UENR2276 - Testing and Adjusting (Fast Fuel Fill - Low Pressure System for Certain Machines)....141
Maintenance - Recommendations....142
System Pressure - Release....143
UENR2276 - Troubleshooting (Fast Fuel Fill - Low Pressure System for Certain Machines)....144
Fluids Service System Troubleshooting....145
General Information....149
Visual Inspection....150
UENR2345 - Specifications (725C, 725C2, 730C, 730C2 and 730C, 730C2 EJECTOR Articulated Truck Systems)....152
Air Conditioner Lines....156
Air Conditioner and Mounting....158
Axle Housing....162
Brake Accumulator (Parking)....168
Brake Accumulator (Service)....171
Bypass Valve (Transmission Oil Filter)....172
Cab Door....174
Cab Lighting....178
Cab Liner....184
Cab Panel - Mounting....187
Cab Visor....188
Cab Window....189
Center Axle....191
Center Suspension Frame....193
Check Valve (Steering System Return)....195
Coolant Tank....196
Differential (Drive Axle)....200
Differential and Bevel Gear (Center)....201
Differential and Bevel Gear (Front and Rear)....203
Drive Shaft....205
Final Drive and Wheel....206
Front Axle....208
Front Drive Shaft....210
Front Frame - Engine End....211
Front Frame - Non-Engine End....213
Front Suspension Frame....218
Fuel Lines....220
Fuel Tank....223
Gear Motor (Hydraulic Fan)....229
Gear Pump (Differential Lock)....235
Governor Pedal....236
Headlights....238
Hitch Drive Shaft....240
Hoist Control Valve....241
Hoist Cylinder....244
Hood - Engine....248
Hydraulic Caliper Service Brake....250
Hydraulic Fan Drive Lines....252
Hydraulic Tank - Power Train Oil....254
Hydraulic Tank Mounting....255
Hydraulic Tank....257
Lubrication Lines ....263
Lubrication Lines....265
Lubrication Pump - Mounting....273
Main Control Valve....275
Modulating Valve (Transmission Hydraulic Control)....281
Modulating Valve....288
Mud Guard....290
Oil Filter (Power Train)....292
Oscillating Hitch....293
Output Transfer Gear Mounting....296
Output Transfer Yoke....297
Parking Brake....298
Piston Pumps (Brake, Ejector, Steering, Fan)....301
Piston Pumps (Brake, Hoist, Steering, Fan)....303
Planetary Carrier (Output Transfer Gear)....305
Position Sensor (Throttle)....307
Position Sensor (Transmission Control)....308
Power Train Cooler Lines....310
Pressure Control Valve (Transmission Hydraulic Control)....312
Pressure Reducing Valve (Differential Lock)....314
Pressure Switch (Oil Filter Bypass)....315
Pressure Switch (Steering)....316
Pump Drive....317
Pump Lines....319
Radiator Guard - Enclosure....322
Radiator Guard....324
Radiator....328
Rear Axle....330
Rear Drive Shaft....332
Rear Equalizer Suspension (Equalizer Arm)....333
Rear Suspension Frame....335
Rear View Mirror....337
Refrigerant Compressor....342
Relief Valve (Hoist Lower)....345
Relief Valve (Transmission Hydraulic Control)....347
Retarder Hydraulic Control Valve....349
Rim Mounting....352
Rollover Protective Structure (ROPS) Mounting....353
Secondary Steering Pump and Electric Motor....360
Service Brake Control....361
Service Brake Lines....367
Solenoid Valve (Brake Accumulator Charge)....371
Solenoid Valve (Hoist Control)....372
Solenoid Valve (Hydraulic Fan)....373
Solenoid and Relief Valve (Output Transfer Gears)....374
Speed Sensor (Torque Converter Output)....376
Speed Sensor (Transmission Output)....377
Steering Column....380
Steering Control....382
Steering Cylinder - Mounting....384
Steering Cylinder....385
Suction Fan....389
Suspension Cylinder (Front)....390
Tailgate Mounting....392
Temperature Sensor (Rear Axle Oil)....396
Temperature Sensor (Torque Converter Oil)....398
Torque Converter....399
Transfer Gears and Case....402
Transmission Hydraulic Control Valve....408
Transmission Mounting....411
Transmission Planetary....413
Transmission and Hoist Control....418
Walkway....422
Window Guard....427
Window Wiper and Wiper Motor....428
UENR2353 - Systems Operation (725C, 725C2, 730C and 730C2 Articulated Trucks Indication Display_CMPD Monitoring)....438
Camera Menu....439
Data Link....441
Features....444
General Information....446
Indication Display Module....448
Input Components....455
Location of Electrical Components....457
Machine Status Menu....458
Main Menu....460
Monitor Display....462
Operator Menu....468
Performance Screen....470
Service Menu....473
Settings Menu....477
Totals Menu....484
Warning Operation....488
UENR2353 - Testing and Adjusting (725C, 725C2, 730C and 730C2 Articulated Trucks Indication Display_CMPD Monitoring)....491
Connector Contact Description....492
Electrical Connector - Inspect....494
Module - Flash Program....503
Module - Replace....504
Self Test....506
System Schematic....507
Wiring Harness (Open Circuit) - Test....509
Wiring Harness (Short Circuit) - Test....511
UENR2353 - Troubleshooting (725C, 725C2, 730C and 730C2 Articulated Trucks Indication Display_CMPD Monitoring)....513
Connector Locations....514
Diagnostic Capabilities....516
Diagnostic Code List....520
Event Code List....521
General Information....523
MID 052 - CID 0296 - FMI 09....525
MID 052 - CID 0296 - FMI 14....530
MID 052 - CID 0590 - FMI 09....534
MID 052 - CID 0590 - FMI 14....539
MID 052 - CID 1273 - FMI 09....542
MID 052 - CID 1273 - FMI 14....548
Power Supply Circuit....551
Service Tools....553
Switch Circuits....555
Using Caterpillar Electronic Technician to Determine Diagnostic Codes....558
Using the Operator Monitor to Determine Diagnostic Codes....561
UENR2378 - Disassembly and Assembly (725C Articulated Truck Engine Supplement)....563
Aftercooler - Remove and Install....565
Air Cleaner - Remove and Install....571
Alternator - Remove and Install....573
Battery - Remove and Install....574
Coolant Tank - Remove and Install....576
Cooling System Package (Radiator, Hydraulic Oil Cooler, Fan) - Remove and Install....580
Crankcase Guard - Remove and Install....587
Crankshaft Vibration Damper and Pulley - Remove and Install....589
Electric Starting Motor - Remove and Install....591
Engine - Remove and Install....594
Engine Front Mount - Remove and Install....610
Engine Oil Cooler - Remove and Install....612
Engine Oil Filter and Oil Filter Base - Remove and Install....614
Engine Oil Pan - Remove and Install....615
Exhaust Extension - Remove and Install....620
Fuel Filter (Primary) and Fuel Filter Base - Remove and Install....622
Fuel Filter (Secondary) and Fuel Filter Base - Remove and Install....624
Gear Motor (Hydraulic Fan) - Assemble....626
Gear Motor (Hydraulic Fan) - Disassemble....630
Hood - Remove and Install....634
Hydraulic Oil Cooler - Remove and Install....637
Muffler - Remove and Install....639
Output Transfer Gear Oil Cooler - Remove and Install....640
Radiator - Remove and Install....641
Radiator Guard - Remove and Install - Left Side....649
Refrigerant Accumulator - Remove and Install....650
Refrigerant Compressor - Remove and Install....653
Refrigerant Condenser - Remove and Install....656
Refrigerant Dryer Receiver - Remove and Install....658
Suction Fan and Gear Motor (Hydraulic Fan) - Remove and Install....661
System Pressure - Release....666
Turbocharger - Remove and Install....668
Water Pump - Remove and Install....671
Water Temperature Regulator - Remove and Install....674
UENR2381 - Systems Operation (725C, 725C2, 730C and 730C2 Articulated Truck)....676
Brake Accumulator (Parking)....678
Brake Accumulator (Service)....680
Brake Control Valve (Service)....682
Differential (Center Axle)....685
Differential (Front and Rear Axle)....687
Electronic Control (Fan Hydraulic System)....690
Electronic Control (Hydraulic System)....698
Final Drive and Wheel....707
Gear Pump (Transmission)....710
General Information (Brake System)....711
General Information (Fan Hydraulic System)....718
General Information (Hydraulic System)....727
General Information (Power Train System)....730
General Information (Steering System)....732
Graphic Color Codes....735
Hoist Control Valve....737
Hoist System....742
Hydraulic Tank....755
Interaxle Differential....756
Location of Components (Brake System)....758
Location of Components (Fan Hydraulic System)....770
Location of Components (Hydraulic System)....779
Location of Components (Power Train System)....786
Location of Components (Steering System)....794
Main Control Valve....800
Metering Pump (HMU)....802
Modulating Valve (Electronic Clutch Pressure Control)....804
Modulating Valve (Torque Converter Lockup Clutch)....806
Oil Cooler (Transmission)....808
Oil Filter (Transmission)....810
Parking Brake System....812
Piston Pump (Hydraulic, Steering, Hoist)....822
Power Train Electronic Control System....824
Power Train Hydraulic System....838
Relief Valve (Transmission Hydraulic Control)....845
Retarder Hydraulic Control Valve....847
Retarder....849
Secondary Steering System....852
Service Brake....854
Torque Converter....856
Transfer Gear Lubrication System....859
Transfer Gears....862
Transmission Hydraulic Control....864
Transmission Planetary....868
UENR2381 - Testing and Adjusting (725C, 725C2, 730C and 730C2 Articulated Truck)....870
Brake Accumulator (Parking) - Test and Charge....872
Brake Accumulator (Service) - Test and Charge....879
Brake Line Pressure for Center and Rear Axle - Test....886
Brake Line Pressure for Front Axle - Test....888
Brake System Charging Pressure - Check....890
Calibration Error Codes....894
Calibrations (Cat ET)....901
Differential - Test....906
Electric Drive Pump (Secondary Steering) - Check....910
Fan Drive System - Test....913
Hoist Control Valve - Test....916
Hydraulic Oil Contamination - Test....919
Interaxle Differential - Test....921
Machine Preparation for Testing and Adjusting....925
Modulating Valve (Electronic Clutch Pressure Control) - Test....927
Modulating Valve (Torque Converter Lockup Clutch) - Test....930
Parking Brake Air - Purge....932
Piston Pump (Brake, Hoist, Fan) - Test and Adjust....935
Piston Pump (Steering, Hoist) - Test and Adjust....947
Power Train Pressures....961
Pressure Reducing Valve (Hoist Pilot Pressure) - Test and Adjust....985
Pressure Tap Locations....988
Pump Flow - Test....992
Release Pressure for Parking Brake - Test....994
Retarder - Test....996
Service Brake Air - Purge....1000
Solenoid Valve (Parking Brake) - Test....1003
Suspension Height (Front) - Check and Adjust....1005
Suspension System Troubleshooting....1026
System Pressure - Release....1028
Transmission Oil Supply....1029
Visual Inspection....1035
UENR2383 - Disassembly and Assembly (725C Articulated Truck Power Train)....1037
Accessory Drive (Transmission) - Remove and Install....1039
Axle Shaft - Install....1045
Axle Shaft - Remove....1049
Center Axle - Remove and Install....1053
Center Drive Shaft - Remove and Install....1057
Differential and Bevel Gear (Center) - Assemble....1060
Differential and Bevel Gear (Center) - Disassemble....1081
Differential and Bevel Gear (Center) - Remove and Install....1097
Differential and Bevel Gear (Front and Rear) - Assemble....1100
Differential and Bevel Gear (Front and Rear) - Disassemble....1119
Differential and Bevel Gear (Front and Rear) - Remove and Install....1132
Final Drive - Assemble....1134
Final Drive - Disassemble....1136
Final Drive - Remove and Install....1138
Front Drive Shaft - Remove and Install....1140
Gear Pump (Output Transfer Gear) - Assemble....1143
Gear Pump (Output Transfer Gear) - Disassemble....1150
Gear Pump (Output Transfer Gear) - Remove and Install....1154
Gear Pump (Transmission Scavenge) - Assemble....1156
Gear Pump (Transmission Scavenge) - Disassemble....1160
Gear Pump (Transmission Scavenge) - Remove and Install....1164
Hitch Drive Shaft - Remove and Install....1166
Hitch Drive Shaft Bearings - Install....1169
Hitch Drive Shaft Bearings - Remove....1174
Idler Gear (Transmission Accessory Drive) - Remove and Install....1179
Main Drive Shaft - Remove and Install....1181
Modulating Valve (Transmission Clutch) - Remove and Install....1185
Oil Cooler (Power Train) - Remove and Install....1187
Oil Tank (Output Transfer Gear) - Remove and Install....1190
Output Transfer Gears - Assemble....1192
Output Transfer Gears - Disassemble....1225
Output Transfer Gears - Remove and Install....1252
Pump Drive - Assemble....1257
Pump Drive - Disassemble....1265
Pump Drive - Remove and Install....1273
Rear Axle - Remove and Install....1278
Rear Drive Shaft - Remove and Install....1282
Relief Valve (Torque Converter Inlet) - Remove and Install....1286
Relief Valve (Transmission Hydraulic Control) - Remove and Install....1289
Relief Valve (Transmission Lubrication) - Remove and Install....1292
Speed Sensor (Transmission) - Remove and Install....1294
System Pressure - Release....1299
Temperature Sensor (Transmission Oil) - Remove and Install....1301
Torque Converter - Assemble....1303
Torque Converter - Disassemble....1318
Torque Converter - Remove and Install....1332
Transmission - Remove and Install....1337
Transmission Planetary - Assemble....1346
Transmission Planetary - Disassemble....1360
Transmission and Torque Converter Oil Filter - Remove and Install....1374
Wheel Bearings and Duo-Cone Seals - Install....1378
Wheel Bearings and Duo-Cone Seals - Remove....1384
UENR2386 - Disassembly and Assembly (725C Articulated Truck)....1389
Accelerator - Remove and Install....1392
Brake Accumulator (Parking) - Remove and Install....1395
Brake Accumulator (Service) - Remove and Install....1396
Brake Control Valve (Service) - Remove and Install....1402
Cab - Remove and Install....1410
Cab Door - Remove and Install....1415
Center Axle Stabilizer Rod - Remove and Install....1417
Center Suspension Frame - Install....1421
Center Suspension Frame - Remove....1425
Door Handle and Latch - Remove and Install....1430
Equalizer Arm - Remove and Install....1435
Fender - Remove and Install....1442
Front Axle Stabilizer Rod - Remove and Install....1447
Front Frame and Rear Frame - Connect....1454
Front Frame and Rear Frame - Separate....1460
Front Suspension Cylinder - Install....1466
Front Suspension Cylinder - Remove....1473
Front Suspension Frame - Install....1480
Front Suspension Frame - Remove....1485
Fuel Tank - Remove and Install....1491
Fuse Panel - Remove and Install....1495
Heater Assembly - Assemble....1498
Heater Assembly - Disassemble....1505
Heater Assembly - Remove and Install....1512
Hoist Control Valve - Assemble....1519
Hoist Control Valve - Disassemble....1523
Hoist Control Valve - Remove and Install....1526
Hoist Cylinder - Install....1529
Hoist Cylinder - Remove....1532
Hydraulic Tank - Remove and Install....1535
Instrument Panel - Remove and Install....1543
Main Control Valve - Assemble....1545
Main Control Valve - Disassemble....1550
Main Control Valve - Remove and Install....1554
Metering Pump (Steering) - Remove and Install....1558
Oscillating Hitch - Install....1562
Oscillating Hitch - Remove....1568
Piston Pump (Brake, Fan, Hoist) - Assemble....1575
Piston Pump (Brake, Fan, Hoist) - Disassemble....1586
Piston Pump (Brake, Fan, Hoist) - Remove and Install....1595
Piston Pump (Hoist, Steering) - Assemble....1598
Piston Pump (Hoist, Steering) - Disassemble....1609
Piston Pump (Hoist, Steering) - Remove and Install....1618
Pump Control Valve (Brake) - Remove and Install....1620
Pump Control Valve (Steering) - Remove and Install....1623
Rear Axle Stabilizer Rod - Remove and Install....1626
Rear Suspension Frame - Install....1630
Rear Suspension Frame - Remove....1635
Seat - Remove and Install....1640
Seat Support - Remove and Install....1642
Secondary Steering Pump and Electric Motor - Assemble....1644
Secondary Steering Pump and Electric Motor - Disassemble....1651
Secondary Steering Pump and Electric Motor - Remove and Install....1658
Sensor - Remove and Install - Payload....1660
Service Brake - Assemble....1663
Service Brake - Disassemble....1668
Service Brake - Remove and Install....1672
Steering Column - Assemble....1674
Steering Column - Disassemble....1678
Steering Column - Remove and Install....1683
Steering Cylinder - Remove and Install....1688
System Pressure - Release....1702
Tailgate (Scissors) - Remove and Install....1704
Transmission and Hoist Control - Remove and Install....1709
Truck Body - Remove and Install....1713
Window Guard - Remove and Install....1716
Window Wiper and Wiper Motor (Front) - Remove and Install....1720
Window Wiper and Wiper Motor (Rear) - Remove and Install....1724
UENR3202 - Schematic (725C and 730C Articulated Truck Hydraulic System)....1734
Features....1734
Cover page....1736
Information....0
Components....1737
Tap....1738
Schematic....1739
Machine Views....0
Steering Components....1740
Rear Frame Components....1741
Main Control Valve....1742
Hydraulic Tank....1743
Front Frame Components....1744
Cylinders....1745
Below Cab Components....1746
ATAAC Fan....1747
UENR5440 - Schematic (725C Articulated Truck Electrical System, Cab 446-4869, Chassis 442-8434, Transmission and Additional Chassis Components)....1748
Collage....1749
Main....1809
Caterpillar ARTICULATED TRUCK 725C Repair Service Manuals
