Caterpillar 424B2 Back Hoe Loader Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 424B2 Back Hoe Loader (Prefix JTH), with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Caterpillar 424B2 Back Hoe 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.
UENR5426 - Schematic (424B; 424B HD; 424B2 Backhoe Loader Hydraulic System; Main schematics (HUSCO) 420-1124-05 and Main Schematics (Rexorth) 424-4014-03).pdf
UENR5425 - Schematic (424B; 424B HD and 424B2 Backhoe Loader Electrical System; 420-1128-01 (For Serial Numbers JRC7780-UP)).pdf
M0084785 - Testing and Adjusting (424B2 Backhoe Loader Hydraulic and Steering System).pdf
M0084784 - Systems Operation (424B2 Backhoe Loader Hydraulic and Steering System).pdf
M0084783 - Specifications (424B2 Backhoe Loader Hydraulic and Steering System).pdf
M0084779 - Specifications (424B2 Backhoe Loader Machine System).pdf
M0084775 - Systems Operation; Testing and Adjusting (424B2 Backhoe Loader Axles; Differential and Brakes).pdf
M0084774 - Specifications (424B2 Backhoe Loader Axles; Differential and Brakes).pdf
M0084767 - Testing and Adjusting (424B2 Backhoe Loader Transmission (Standard Shift)).pdf
M0084767 - Systems Operation (424B2 Backhoe Loader Transmission (Standard Shift).pdf
M0084767 - Specifications (424B2 Backhoe Loader Transmission (Standard Shift)).pdf
M0082657 - Disassembly and Assembly (424B2 Back Hoe Loader Power Train System).pdf
M0082656 - Disassembly and Assembly (424B2 Back Hoe Loader Machine Systems).pdf
M0082655 - Disassembly and Assembly (424F2 Back Hoe Loader Engine Supplement).pdf
PRODUCT DETAILS:
Total Pages: 678 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
M0082655 - Disassembly and Assembly (424F2 Back Hoe Loader Engine Supplement).....1
System Pressure - Release.....2
Hood - Remove and Install.....3
Side Panel - Remove and Install.....6
Muffler - Remove and Install.....9
Battery - Remove and Install.....11
Electric Starting Motor - Remove and Install.....13
Alternator - Remove and Install.....15
Fan - Remove and Install.....17
Fan Drive - Remove and Install.....19
Water Pump - Remove and Install.....21
Water Temperature Regulator - Remove and Install.....25
Refrigerant Condenser - Remove and Install.....28
Hydraulic and Transmission Oil Cooler - Remove and Install.....30
Radiator - Remove and Install.....32
Turbocharger - Remove and Install.....35
Fuel Filter and Water Separator - Remove and Install.....37
Air Cleaner - Remove and Install.....39
Engine and Transmission - Remove.....41
Engine and Transmission - Install.....49
M0082656 - Disassembly and Assembly (424B2 Back Hoe Loader Machine Systems).....56
Bucket Positioner Control - Remove and Install.....57
System Pressure - Release.....59
Bucket - Remove and Install.....60
Tilt Cylinder - Remove and Install.....64
Lift Cylinder - Remove and Install.....69
Hoe Bucket - Remove and Install.....74
Backhoe Bucket Linkage - Remove and Install.....76
Backhoe Bucket Cylinder - Remove and Install.....78
Stick Cylinder - Remove and Install.....83
Stick - Remove and Install.....89
Boom Cylinder - Remove and Install.....92
Boom - Remove and Install.....104
Swing Cylinder - Remove and Install.....107
Sliding Frame and Bearing - Remove.....114
Sliding Frame and Bearing - Install.....117
Stabilizer Cylinder - Remove and Install.....120
Stabilizer - Remove and Install.....125
Bank Valve (Backhoe) - Remove.....127
Bank Valve (Backhoe) - Install.....132
Bank Valve (Loader) - Remove.....136
Bank Valve (Loader) - Install.....140
Hydraulic Tank - Remove and Install.....143
Steering Metering Pump - Remove and Install.....147
Steering Wheel - Remove and Install.....150
Cab - Remove.....152
Cab - Install.....160
Seat - Remove and Install.....168
Fuel Tank - Remove and Install.....169
Counterweight - Remove and Install.....171
M0082657 - Disassembly and Assembly (424B2 Back Hoe Loader Power Train System).....172
Axle Housing (Service Brakes; Differential and Bevel Gear) - Assemble - Parking Brake.....173
System Pressure - Release.....199
Solenoid Valve (Transmission) - Remove.....200
Solenoid Valve (Transmission) - Disassemble.....203
Solenoid Valve (Transmission) - Assemble.....205
Solenoid Valve (Transmission) - Install.....207
Transmission (Direct Drive) - Remove.....210
Transmission (Direct Drive) - Disassemble.....218
Transmission (Direct Drive) - Assemble.....232
Transmission (Direct Drive) - Install.....246
Drive Shaft - Remove and Install.....254
Parking Brake - Remove and Install.....255
Tie Rod (Steering)(Front) - Remove and Install - 002WD.....257
Final Drive Planetary - Remove.....259
Final Drive Planetary - Disassemble.....260
Final Drive Planetary - Assemble.....261
Final Drive Planetary - Install.....262
Steering Cylinder (Front) - Remove and Install.....263
Rear Axle - Remove.....266
Rear Axle - Install.....269
Axle Housing; Axle Shaft; and Wheel Flange - Remove.....272
Axle Housing; Axle Shaft; and Wheel Flange - Disassemble.....274
Axle Housing; Axle Shaft; and Wheel Flange - Assemble.....279
Axle Housing; Axle Shaft; and Wheel Flange - Install.....286
Axle Housing (Service Brakes; Differential and Bevel Gear) - Disassemble - Parking Brake.....288
Tire and Rim (Front) - Remove and Install.....304
Tire and Rim (Rear) - Remove and Install.....306
M0084767 - Specifications (424B2 Backhoe Loader Transmission (Standard Shift)).....308
Torque Converter.....309
Transmission (Power Shift).....310
Transmission Pump.....313
Transmission Control.....314
Transmission Hydraulic Control.....316
Power Train Cooler Lines.....317
Planetary Case and Parts.....319
M0084767 - Systems Operation (424B2 Backhoe Loader Transmission (Standard Shift).....321
General Information.....322
Torque Converter.....323
Transmission - Standard Shift.....326
Transmission Control.....346
Transmission Hydraulic System.....353
M0084767 - Testing and Adjusting (424B2 Backhoe Loader Transmission (Standard Shift)).....357
Machine Preparation for Troubleshooting.....358
Operational Checks.....359
Visual Inspection.....360
Power Train Troubleshooting.....362
Pressure Taps.....366
Transmission and Torque Converter - Test.....368
M0084774 - Specifications (424B2 Backhoe Loader Axles; Differential and Brakes).....377
Axle Mounting.....378
Axle (Front).....380
Wheel and Tire (Front).....382
Axle (Rear).....384
Wheel and Tire (Rear).....390
Parking Brake Control.....392
Service Brake Control.....393
M0084775 - Systems Operation; Testing and Adjusting (424B2 Backhoe Loader Axles; Differential and Brakes).....395
Axle (Front).....396
Axle (Rear).....397
Parking Brake Control.....400
Service Brake Control.....402
Differential - Standard.....405
General Information.....407
Visual Inspection.....410
Axle; Differential and Brake Troubleshooting.....412
Axle (Front) - Adjust.....424
Brake System Air - Purge.....426
Parking Brake Control - Adjust.....430
Service Brake Control - Adjust.....435
M0084779 - Specifications (424B2 Backhoe Loader Machine System).....441
Cab Window.....442
Operator Console.....444
Instrument Panel.....447
Cab Mounting.....449
Flood Lighting - Cab.....450
Wiring (Console).....452
Battery and Wiring Group.....456
Fuel Tank.....457
M0084783 - Specifications (424B2 Backhoe Loader Hydraulic and Steering System).....459
Hydraulic Tank and Mounting.....460
Oil Filter (Hydraulic).....463
Piston Pump (Work Tool and Steering).....464
Metering Pump (Steering).....467
Steering Control.....468
Steering Cylinder.....469
Hydraulic Hand Control (Loader) (Mechanically Operated).....470
Bank Valve (Two)(Mechanically Operated).....473
Hydraulic Hand Control (Backhoe).....475
Lines (Hydraulic).....478
Bank Valve (Six)(Mechanically Operated).....480
Lift Cylinder.....482
Tilt Cylinder.....484
Stabilizer Cylinder.....486
Sliding Frame.....489
Boom Cylinder.....491
Boom.....492
Swing Cylinder.....494
Swing Frame.....496
Bucket Cylinder (Backhoe).....501
Bucket Cylinder Lines.....503
Bucket Linkage.....505
Bucket.....507
Stick.....515
Stick Cylinder.....518
Lift Arm.....519
Loader Bucket Linkage.....521
Bucket Positioner and Lift Kickout.....523
M0084784 - Systems Operation (424B2 Backhoe Loader Hydraulic and Steering System).....526
General Information (Hydraulic System) - Mechanically Operated.....527
Hydraulic Tank and Filter.....532
Piston Pump (Work Tool and Steering).....534
Priority Valve - Inlet Manifold of the Loader.....543
Bank Valve (Loader) - Mechanically Operated.....545
Control Valve (Lift) - Mechanically Operated.....548
Control Valve (Tilt) - Mechanically Operated.....554
Bank Valve (Backhoe) - Mechanically Operated.....558
Control Valve (Stick) - Mechanically Operated.....561
Control Valve (Bucket) - Mechanically Operated.....566
Control Valve (Swing) - Mechanically Operated.....571
Control Valve (Boom) - Mechanically Operated.....576
Control Valve (Stabilizer) - Mechanically Operated.....581
Sideshift Slide Lock Circuit.....585
General Information (Steering).....588
Metering Pump (Steering).....591
M0084785 - Testing and Adjusting (424B2 Backhoe Loader Hydraulic and Steering System).....595
Machine Preparation for Troubleshooting.....596
Visual Inspection.....598
Operational Checks.....600
Hydraulic System Troubleshooting.....606
Steering System Troubleshooting.....614
System Pressure - Release.....618
Hydraulic Oil Contamination - Test.....619
Hydraulic Pump - Test and Adjust.....622
Pump Flow - Test.....631
Relief Valve (Line) - Test and Adjust.....634
Relief Valve (Steering Priority) - Test and Adjust.....642
Relief Valve (Loader) - Test and Adjust.....645
Worksheets - Troubleshoot.....648
UENR5425 - Schematic (424B; 424B HD and 424B2 Backhoe Loader Electrical System; 420-1128-01 (For Serial Numbers JRC7780-UP)).....650
Features.....650
Cover Page.....652
Information.....0
Component Location.....653
Connector Location.....654
Schematic.....655
Machine Views.....0
Battery and Transmission Circuit.....656
Cab Right Side View.....657
Engine.....658
Front Console.....659
Headliner Harness.....660
Machine Component and Connector Locations.....661
Side Console.....662
UENR5426 - Schematic (424B; 424B HD; 424B2 Backhoe Loader Hydraulic System; Main schematics (HUSCO) 420-1124-05 and Main Schematics (Rexorth) 424-4014-03).....663
Feature.....663
Cover Page.....665
Information.....0
Component Location.....0
Volume 1 of 2 - Main Hydraulics With Attachments.....666
Volume 2 of 2 - Main Schematics (Rexorth).....667
Tap Location.....0
Volume 1 of 2 - Main Hydraulics With Attachments.....668
Volume 2 of 2 - Main Schematics (Rexorth).....669
Schematics.....0
Volume 1 of 2 - Main Hydraulics With Attachments.....670
Volume 2 of 2 - Main Schematics (Rexorth).....671
Machine Views.....0
Volume 1 of 2 - Main Hydraulics With Attachments.....0
Backhoe Control Valve.....672
Hydraulic Control Arrangement.....673
Machine Component Locations.....674
Two Bank Valve.....675
Volume 2 of 2 - Main Schematics (Rexorth).....0
Backhoe Control Valve.....676
Hydraulic Control Arrangement.....677
Machine Component Locations.....678
Two Bank Valve.....679
Caterpillar 424B2 Back Hoe Loader Repair Service Manual
