Complete workshop repair service manual with electrical wiring diagrams for Caterpillar TH103 Tele-handler. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

These Caterpillar TH103 Tele-handler manuals (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

RENR3405 - Schematic (TH103 Electrical System)
RENR3413 - Schematic (TH103 Telehandler Electrical System)
RENR3416 - Schematic (TH103 Telehandler Electrical System)
RENR3445 - Schematic (TH103 Telehandler Hydraulic System)
RENR3460 - Systems Operation (TH103, TH62, TH63, TH82 & TH83 Telehandlers Longitudinal Stability Indicator)
RENR3460 - Testing & Adjusting (TH103, TH62, TH63, TH82 & TH83 Telehandlers Longitudinal Stability Indicator)
RENR3463 - Specifications (TH103 Telehandler Steering & Hydraulic System)
RENR3475 - Systems Operation (TH103 Telehandler Steering System)
RENR3475 - Testing & Adjusting (TH103 Telehandler Steering System)
RENR3476 - Systems Operation (TH103 Telehandler Hydraulic System)
RENR3476 - Testing & Adjusting (TH103 Telehandler Hydraulic System)
RENR3478 - Schematic (TH103 Telehandler Hydraulic System)
RENR3491 - Systems Operation (TH103 Telehandler Hydraulic System)
RENR3491 - Testing & Adjusting (TH103 Telehandler Hydraulic System)
RENR3492 - Schematic (TH103 Telehandler Hydraulic System)
RENR5105 - Specifications (TH103 Telehandler Braking System)
RENR5105 - Systems Operation (TH103 Telehandler Braking System)
RENR5105 - Testing & Adjusting (TH103 Telehandler Braking System)
SENR1234 - Specifications (TH103 Telehandler Power Train)
SENR1234 - Systems Operation (TH103 Telehandler Power Train)
SENR1234 - Testing & Adjusting (TH103 Telehandler Power Train)
SENR1235 - Disassembly & Assembly (TH103 Telehandler Power Train)
SENR1236 - Specifications (TH103 Telehandler Steering & Hydraulic System)
SENR1239 - Systems Operation (TH103 Telehandler Hydraulic System)
SENR1239 - Testing & Adjusting (TH103 Telehandler Hydraulic System)
SENR1241 - Disassembly & Assembly (TH103 Machine Systems Disassembly & Assembly)
SENR1242 - Disassembly & Assembly (TH103 Telehandler Transmission)
SENR1244 - Specifications (TH103 Telehandler Transmission)
SENR1237 - Systems Operation (TH103 Telehandler Steering System).pdf
SENR1237 - Testing & Adjusting (TH103 Telehandler Steering System).pdf
SENR1238 - Systems Operation (TH103 Telehandler Brake System).pdf
SENR1238 - Testing & Adjusting (TH103 Telehandler Brake System).pdf
SENR1240 - Schematic (TH103 Telehandler Hydraulic System).pdf
SENR1244 - Systems Operation (TH103 Telehandler Transmission).pdf
SENR1244 - Testing & Adjusting (TH103 Telehandler Transmission).pdf
...

EXCERPT:
7. Install spacer (8) and spring assembly (6) into the drum assembly for the forward high clutch (2) .
Note: The large diameter of the first belleville washer of the spring assembly goes next to the spacer. Then alternate the following four washers of the spring assembly.
8. Use Tool (B) in order to compress spring assembly (6) . Then use Tool (A) to install snap ring (7) .
...

RENR3405 - Schematic (TH103 Electrical System)....3
  Main Schematic....4
  Collage Schematic....6
RENR3413 - Schematic (TH103 Telehandler Electrical System)....27
  Main Schematic....28
  Collage Schematic....30
RENR3416 - Schematic (TH103 Telehandler Electrical System)....77
  Main Schematic....78
  Collage Schematic....80
RENR3445 - Schematic (TH103 Telehandler Hydraulic System)....95
  Main Schematic....96
RENR3460 - Systems Operation (TH103; TH62; TH63; TH82 & TH83 Telehandlers Longitudinal Stability Indicator)....98
  Display Module....99
  General Information....102
  Sensor....105
  Switch (Boom)....107
RENR3460 - Testing & Adjusting (TH103; TH62; TH63; TH82 & TH83 Telehandlers Longitudinal Stability Indicator)....109
  Calibration....110
  Display Module - Replace....114
  Machine Preparation for Troubleshooting....119
  Operational Checks....120
  Sensor - Test....123
  Switch (Boom) - Adjust 1....128
  Switch (Boom) - Adjust 2....130
  Visual Inspection....132
RENR3463 - Specifications (TH103 Telehandler Steering & Hydraulic System)....133
  Bank Valve (Directional Control) 1....134
  Bank Valve (Directional Control) 2....136
  Boom Cylinder (Raise_Lower)....138
  Control Valve (Compensating Cylinder)....140
  Coupler Cylinder....142
  Frame Leveling Cylinder....143
  Hydraulic Tank....145
  Load Control Valve (Boom Cylinder)....147
  Load Control Valve (Stabilizer Cylinder)....149
  Metering Pump (Steering)....151
  Piston Pump (Implement and Steering)....153
  Solenoid Valve (Pilot Selector)....155
  Stabilizer Cylinder....157
  Telescoping Cylinder....159
RENR3475 - Systems Operation (TH103 Telehandler Steering System)....161
  General Information....162
  Metering Pump (Steering) 1....168
  Metering Pump (Steering) 2....172
  Piston Pump (Implement and Steering)....176
  Position Sensor (Steering) 1....186
  Position Sensor (Steering) 2....188
  Selector Valve (Steering Mode)....190
  Steering System 1....193
  Steering System 2....206
RENR3475 - Testing & Adjusting (TH103 Telehandler Steering System)....219
  General Information Table....220
  Hydraulic Oil Contamination - Test....222
  Machine Preparation for Troubleshooting....225
  Position Sensor (Steering) - Adjust 1....227
  Position Sensor (Steering) - Adjust 2....231
  Pump Flow - Test....235
  Signal Resolver Network - Test 1....238
  Signal Resolver Network - Test 2....242
  Solenoid Valve - Test....245
  Steering System Pressures - Test and Adjust 1....247
  Steering System Pressures - Test and Adjust 2....261
  Steering System Troubleshooting....274
  Visual Inspection....278
  Wheel Alignment - Check and Adjust 1....279
  Wheel Alignment - Check and Adjust 2....282
RENR3476 - Systems Operation (TH103 Telehandler Hydraulic System)....285
  Access Platform System....286
  Auxiliary System....292
  Bank Valve....302
  Boom Hydraulic System....319
  Compensating System....324
  Control Valve (Compensating Cylinder)....331
  Diverter Valve....333
  Frame Leveling System....335
  General Information....340
  Joystick Control....343
  Load Control Valve (Boom Cylinder)....348
  Load Control Valve (Frame Leveling) - If Equipped....355
  Load Control Valve (Stabilizer Cylinder) - If Equipped....362
  Load Control Valve (Telescoping Cylinder)....369
  Load Control Valve (Tilt Cylinder)....376
  Main Hydraulic System....379
  Pilot Hydraulic System....385
  Quick Coupler System....392
  Stabilizer System....399
  Telescoping Boom and Boom Chain....405
  Telescoping Cylinder....408
  Tilt System....410
RENR3476 - Testing & Adjusting (TH103 Telehandler Hydraulic System)....415
  Access Platform - Test and Adjust....416
  Boom Chain - Clean_Inspect_Lubricate....420
  General Troubleshooting Information....423
  Hydraulic Oil Contamination - Test....424
  Hydraulic System Pressure - Release....427
  Hydraulic System Troubleshooting....434
  Machine Preparation for Troubleshooting....441
  Operational Checks....443
  Pilot Pressure - Test....444
  Pressure for Pump and Relief Valve (Main) - Test and Adjust....447
  Pressure for Relief Valve (Auxiliary) - Test and Adjust....448
  Visual Inspection....454
RENR3478 - Schematic (TH103 Telehandler Hydraulic System)....455
  Main Schematic....456
RENR3491 - Systems Operation (TH103 Telehandler Hydraulic System)....458
  Access Platform System....459
  Auxiliary System....465
  Bank Valve....474
  Boom Hydraulic System....479
  Compensating System....484
  Control Valve (Compensating Cylinder)....491
  Diverter Valve....493
  Frame Leveling System....495
  General Information....500
  Joystick Control....503
  Load Control Valve (Boom Cylinder)....508
  Load Control Valve (Frame Leveling)....512
  Load Control Valve (Stabilizer Cylinder)....519
  Load Control Valve (Telescoping Cylinder)....526
  Load Control Valve (Tilt Cylinder)....530
  Main Hydraulic System....533
  Pilot Hydraulic System....539
  Quick Coupler System....544
  Stabilizer System....551
  Telescoping Boom and Boom Chain....557
  Telescoping Cylinder....560
  Tilt System....562
RENR3491 - Testing & Adjusting (TH103 Telehandler Hydraulic System)....567
  Access Platform - Test and Adjust....568
  Boom Chain - Clean_Inspect_Lubricate....572
  General Troubleshooting Information....575
  Hydraulic Oil Contamination - Test....576
  Hydraulic System Pressure - Release....579
  Hydraulic System Troubleshooting....587
  Machine Preparation for Troubleshooting....594
  Operational Checks....596
  Pilot Pressure - Test....597
  Pressure for Pump and Relief Valve (Main) - Test and Adjust....600
  Pressure for Relief Valve (Auxiliary) - Test and Adjust....601
  Visual Inspection....608
RENR3492 - Schematic (TH103 Telehandler Hydraulic System)....609
  Collage Schematic....610
  Main Schematic....640
RENR5105 - Specifications (TH103 Telehandler Braking System)....642
  Brake Cylinder (Boost)....643
  Brake Cylinder (Master)....644
  Parking Brake....645
RENR5105 - Systems Operation (TH103 Telehandler Braking System)....647
  Brake Cylinder (Master) 1....648
  Brake Cylinder (Master) 2....651
  Brakes 1....656
  Brakes 2....660
  General Information 1....664
  General Information 2....666
  Parking Brake 1....668
  Parking Brake 2....672
  Service Brake 1....676
  Service Brake 2....681
RENR5105 - Testing & Adjusting (TH103 Telehandler Braking System)....686
  Brake Cylinder (Master) - Test and Adjust....687
  Braking System Troubleshooting 1....690
  Braking System Troubleshooting 2....694
  General Information....698
  Machine Preparation for Troubleshooting....699
  Operation Checks....701
  Parking Brake Control Cable - Adjust 1....702
  Parking Brake Control Cable - Adjust 2....707
  Service Brake - Adjust....711
  Service Brake Air - Purge 1....714
  Service Brake Air - Purge 2....718
  Service Brake Discs - Check 1....723
  Service Brake Discs - Check 2....727
  Visual Inspection....730
SENR1234 - Specifications (TH103 Telehandler Power Train)....731
  Differential....732
  Front Axle....734
  Main Drive Shaft....740
  Rear Axle....742
  Torque Converter....746
  Transmission....748
SENR1234 - Systems Operation (TH103 Telehandler Power Train)....751
  Differential Lock Control....752
  Differential and Bevel Gear 1....756
  Differential and Bevel Gear 2....759
  Front Axle and Rear Axle 1....762
  Front Axle and Rear Axle 2....764
  General Information....766
  Solenoid Valve (Transmission Clutch)....768
  Torque Converter....773
  Transfer Gears....776
  Transmission Control (Shift Lever)....779
  Transmission Hydraulic System....781
  Transmission Power Flow....785
  Transmission....788
SENR1234 - Testing & Adjusting (TH103 Telehandler Power Train)....791
  Axle Housing and Bearing Preload - Adjust 1....792
  Axle Housing and Bearing Preload - Adjust 2....795
  Differential Backlash and Bearings - Adjust 1....799
  Differential Backlash and Bearings - Adjust 2....805
  Differential Lock - Adjust....816
  Differential Pinion Bearing - Adjust 1....819
  Differential Pinion Bearing - Adjust 2....833
  Differential and Final Drive Troubleshooting....846
  General Troubleshooting Information....850
  Machine Preparation for Troubleshooting....851
  Operational Checks....853
  Torque Converter Stall - Test....854
  Torque Converter Troubleshooting....856
  Transmission Pressures - Test and Adjust....859
  Transmission Troubleshooting....866
  Visual Inspection....870
  Wheel Bearings - Adjust....873
SENR1235 - Disassembly & Assembly (TH103 Telehandler Power Train)....877
  Assemble Transfer Gearbox 139-8306....878
  Axle Front....881
  Axle Shaft....887
  Differential....891
  Engine and Transmission....898
  Final Drive....905
  Hub....911
  Rear Axle....914
  Transfer Gearbox....918
  Transmission....927
SENR1236 - Specifications (TH103 Telehandler Steering & Hydraulic System)....931
  Attachment Coupler Tilt Cylinder (8I6089)....932
  Boom Extend Cylinder (8I6092)....933
  Boom Raise Cylinder (8I6093)....934
  Compensating Cylinder (8I6090)....935
  Directional Control Valve (129-6209)....936
  Frame Level Cylinder (8I6091)....938
  Hand Metering Unit (9T8012)....939
  Hydraulic Pump (134-2947)....941
  Stabilizer Cylinder (8I6467)....943
SENR1237 - Systems Operation (TH103 Telehandler Steering System)....944
SENR1237 - Testing & Adjusting (TH103 Telehandler Steering System)....962
SENR1238 - Systems Operation (TH103 Telehandler Brake System)....978
SENR1238 - Testing & Adjusting (TH103 Telehandler Brake System)....988
SENR1239 - Systems Operation (TH103 Telehandler Hydraulic System)....997
  Access Platform....998
  Auxiliary System....1002
  Bank Valve....1009
  Boom Hydraulic System....1022
  Compensating System....1025
  Control Valve (Compensating Cylinder)....1028
  Diverter Valve - If Equipped....1031
  Frame Leveling System....1033
  Joystick Control....1036
  Load Control Valve (Boom Cylinder)....1042
  Load Control Valve (Frame Leveling)....1049
  Load Control Valve (Stabilizer Cylinder)....1056
  Load Control Valve (Telescoping Cylinder)....1063
  Load Control Valve (Tilt Cylinder)....1070
  Main Hydraulic System....1077
  Pilot Hydraulic System....1082
  Stabilizer System....1088
  Telescoping Boom and Boom Chain....1092
  Telescoping Cylinder....1095
  Tilt System....1097
SENR1239 - Testing & Adjusting (TH103 Telehandler Hydraulic System)....1101
  Access Platform - Test and Adjust....1102
  Boom Chain - Clean_Inspect_Lubricate....1106
  General Troubleshooting Information....1109
  Hydraulic Oil Contamination - Test....1110
  Hydraulic System Pressure - Release....1113
  Hydraulic System Troubleshooting....1119
  Machine Preparation for Troubleshooting....1126
  Pilot Pressure - Test....1128
  Pressure for Pump and Relief Valve (Main) - Test and Adjust....1132
  Pressure for Relief Valve (Auxiliary) - Test and Adjust....1133
  Visual Inspection....1137
SENR1240 - Schematic (TH103 Telehandler Hydraulic System)....1138
SENR1241 - Disassembly & Assembly (TH103 Machine Systems Disassembly & Assembly)....1141
  Attachment Coupler Cylinder Lock Valve....1143
  Attachment Coupler Cylinder....1148
  Boom Extend Cylinder Lock Valve....1156
  Boom Extend Cylinder....1162
  Boom Hoses....1178
  Boom Raise Cylinder Lock Valve....1183
  Boom Raise Cylinder....1186
  Boom....1196
  Brake Unit....1217
  Cab....1223
  Compensating Cylinder....1234
  Compensating Valve....1243
  Counterweight....1246
  Directional Control Valve....1248
  Frame Level Control Valve....1250
  Frame Level Cylinder Lock Valve....1255
  Frame Level Cylinder....1262
  Fuel Tank Gauge Sender Unit....1272
  Fuel Tank....1274
  Hydraulic Pump....1277
  Hydraulic Tank....1286
  Outrigger Assembly....1290
  Outrigger Cylinder Lock Valve....1294
  Outrigger Cylinder....1297
  Seat....1307
  Steering Console....1309
  Steering Control Valve....1313
  Steering Cylinder....1317
  Steering Hand Metering Unit (HMU)....1324
  Steering Pivot....1332
  Steering Tie Rod....1335
SENR1242 - Disassembly & Assembly (TH103 Telehandler Transmission)....1337
  Torque Converter - Assemble....1338
  Torque Converter - Disassemble....1347
  Transmission - Assemble....1358
  Transmission - Disassemble....1443
SENR1244 - Specifications (TH103 Telehandler Transmission)....1525
  Identification Of The Unit....1526
  Servicing Machine After Components Overhaul....1529
  Transmission (HR Model without Internal Disconnect)....1531
SENR1244 - Systems Operation (TH103 Telehandler Transmission)....1533
SENR1244 - Testing & Adjusting (TH103 Telehandler Transmission)....1542