Caterpillar 424B and 424B HD Backhoe Loaders Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 424B and 424B HD Backhoe Loaders, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Caterpillar 424B and 424B HD Backhoe Loaders 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.
424B BACKHOE LOADER JRC
424B BACKHOE LOADER JRN
424B HD BACKHOE LOADER JRY
UENR2398 - Disassembly and Assembly (424B and 424B HD Backhoe Loaders Engine Supplement).pdf
UENR3701 - Specifications (424B Backhoe Loader Axles; Differential and Brakes).pdf
UENR3702 - Systems Operation; Testing and Adjusting (424B Backhoe Loader Axles; Differential and Brakes).pdf
UENR5302 - Disassembly and Assembly (424B Backhoe Loader Engine Supplement).pdf
UENR5303 - Specifications (424B Backhoe Loader Transmission (Standard Shift)).pdf
UENR5303 - Systems Operation (424B Backhoe Loader Transmission (Standard Shift)).pdf
UENR5303 - Testing and Adjusting (424B Backhoe Loader Transmission (Standard Shift)).pdf
UENR5304 - Disassembly and Assembly (424B Backhoe Loader Power Train).pdf
UENR5305 - Disassembly and Assembly (424B Backhoe Loader Machine Systems).pdf
UENR5306 - Specifications (424B Backhoe Loader Hydraulic and Steering System).pdf
UENR5307 - Testing and Adjusting (424B Backhoe Loader Hydraulic and Steering System).pdf
UENR5313 - Systems Operation (424B Backhoe Loader Hydraulic and Steering System).pdf
UENR5318 - Specifications (424B Backhoe Loader Machine System).pdf
UENR5425 - Schematic (424B; 424B HD and 424B2 Backhoe Loader Electrical System; 420-1128-01 (For Serial Numbers JRC7780-UP).PDF
UENR5426 - Schematic (424B; 424B HD; 424B2 Backhoe Loader Hydraulic System; Main schematics (HUSCO) 420-1124-05 and Main Schematics (Rexorth) 424-4014-03).PDF
PRODUCT DETAILS:
Total Pages: 882 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
UENR2398 - Disassembly and Assembly (424B and 424B HD Backhoe Loaders Engine Supplement).....1
System Pressure - Release.....2
Hood - Remove and Install.....3
Side Panel - Remove and Install.....6
Battery - Remove and Install.....10
Muffler - Remove and Install.....12
Fan - Remove and Install.....14
Radiator - Remove and Install.....16
Hydraulic and Transmission Oil Cooler - Remove and Install.....19
Engine and Transmission - Remove.....21
Engine and Transmission - Install.....29
Engine; Torque Converter and Transmission - Separate.....36
Engine; Torque Converter and Transmission - Connect.....39
UENR3701 - Specifications (424B Backhoe Loader Axles; Differential and Brakes).....42
Axle Mounting.....43
Axle (Front).....45
Wheel and Tire (Front).....47
Axle (Rear).....49
Wheel and Tire (Rear).....56
Parking Brake Control.....59
Service Brake Control.....61
UENR3702 - Systems Operation; Testing and Adjusting (424B Backhoe Loader Axles; Differential and Brakes).....63
Axle (Front).....64
Axle (Rear).....66
Parking Brake Control.....70
Service Brake Control.....72
Differential - Standard.....75
General Information.....77
Visual Inspection.....80
Axle; Differential and Brake Troubleshooting.....82
Axle (Front) - Adjust.....94
Brake System Air - Purge.....96
Parking Brake Control - Adjust.....100
Service Brake Control - Adjust.....105
UENR5302 - Disassembly and Assembly (424B Backhoe Loader Engine Supplement).....108
System Pressure - Release.....109
Hood - Remove and Install.....110
Battery - Remove and Install.....113
Air Cleaner - Remove and Install.....115
Muffler - Remove and Install.....118
Fan - Remove and Install.....120
Radiator - Remove and Install.....122
Hydraulic and Transmission Oil Cooler - Remove and Install.....125
Engine and Transmission - Remove.....127
Engine and Transmission - Install.....135
Engine; Torque Converter and Transmission - Separate.....142
Engine; Torque Converter and Transmission - Connect.....145
UENR5303 - Specifications (424B Backhoe Loader Transmission (Standard Shift)).....148
Torque Converter.....149
Transmission (Power Shift).....150
Transmission Pump.....153
Transmission Control.....154
Transmission Hydraulic Control.....156
Power Train Cooler Lines.....157
Planetary Case and Parts.....159
UENR5303 - Systems Operation (424B Backhoe Loader Transmission (Standard Shift)).....161
General Information.....162
Torque Converter.....163
Transmission - Standard Shift.....166
Transmission Control.....186
Transmission Hydraulic System.....193
UENR5303 - Testing and Adjusting (424B Backhoe Loader Transmission (Standard Shift)).....197
Machine Preparation for Troubleshooting.....198
Operational Checks.....199
Visual Inspection.....200
Power Train Troubleshooting.....202
Pressure Taps.....206
Transmission and Torque Converter - Test.....208
UENR5304 - Disassembly and Assembly (424B Backhoe Loader Power Train).....217
System Pressure - Release.....218
Tire and Rim (Front) - Remove and Install.....219
Tie Rod (Steering)(Front) - Remove and Install.....221
Steering Cylinder (Front) - Remove and Install.....224
Final Drive Planetary - Remove.....226
Final Drive Planetary - Disassemble.....227
Final Drive Planetary - Assemble.....228
Final Drive Planetary - Install.....229
Front Axle - Remove.....230
Front Axle - Disassemble.....232
Front Axle - Assemble.....237
Front Axle - Install.....243
Solenoid Valve (Transmission) - Remove.....245
Solenoid Valve (Transmission) - Install.....247
Transmission (Direct Drive) - Remove.....249
Transmission (Direct Drive) - Disassemble.....256
Transmission (Direct Drive) - Assemble.....285
Transmission (Direct Drive) - Install.....320
Parking Brake - Remove and Install.....326
Drive Shaft (Rear) - Remove and Install.....330
Rear Axle - Remove.....332
Axle Housing; Axle Shaft; and Wheel Flange - Remove.....335
Axle Housing; Axle Shaft; and Wheel Flange - Disassemble.....337
Axle Housing (Service Brakes; Differential and Bevel Gear) - Disassemble.....341
Axle Housing (Service Brakes; Differential and Bevel Gear) - Assemble.....353
Axle Housing; Axle Shaft; and Wheel Flange - Assemble.....379
Axle Housing; Axle Shaft; and Wheel Flange - Install.....386
Rear Axle - Install.....388
Tire and Rim (Rear) - Remove and Install.....390
UENR5305 - Disassembly and Assembly (424B Backhoe Loader Machine Systems).....392
System Pressure - Release.....394
Bucket - Remove and Install.....395
Bucket Positioner Control - Remove and Install.....399
Tilt Cylinder - Remove and Install.....401
Lift Cylinder - Remove and Install.....406
Lift Arms - Remove.....411
Lift Arms - Install.....418
Hoe Bucket - Remove and Install.....424
Backhoe Bucket Linkage - Remove and Install.....426
Backhoe Bucket Cylinder - Remove and Install.....428
Stick Cylinder - Remove and Install.....433
Stick - Remove and Install.....439
Boom Cylinder - Remove and Install.....442
Boom - Remove and Install.....448
Swing Cylinder - Remove and Install.....451
Swing Frame - Remove and Install.....458
Sliding Frame and Bearing - Remove.....466
Sliding Frame and Bearing - Install.....469
Stabilizer Cylinder - Remove and Install.....472
Service Brake Control - Remove.....477
Service Brake Control - Disassemble.....480
Service Brake Control - Assemble.....483
Service Brake Control - Install.....486
Bank Valve (Backhoe) - Remove.....489
Bank Valve (Backhoe) - Disassemble.....494
Bank Valve (Backhoe) - Assemble.....503
Bank Valve (Backhoe) - Install.....512
Bank Valve (Loader) - Remove.....516
Bank Valve (Loader) - Disassemble.....520
Bank Valve (Loader) - Assemble.....532
Bank Valve (Loader) - Install.....544
Piston Pump - Remove.....547
Piston Pump - Disassemble.....550
Piston Pump - Assemble.....565
Piston Pump - Install.....584
Hydraulic Tank - Remove and Install.....586
Steering Metering Pump - Remove and Install.....590
Steering Wheel - Remove and Install.....593
Window Wiper and Wiper Motor (Front) - Remove and Install.....595
Cab - Remove.....598
Cab - Install.....606
Seat - Remove and Install.....614
Fuel Tank - Remove and Install.....616
Counterweight - Remove and Install.....618
UENR5306 - Specifications (424B Backhoe Loader Hydraulic and Steering System).....619
Hydraulic Tank and Mounting.....620
Oil Filter (Hydraulic).....623
Piston Pump (Work Tool and Steering).....624
Metering Pump (Steering).....628
Steering Control.....630
Steering Cylinder.....632
Hydraulic Hand Control (Loader) (Mechanically Operated).....636
Bank Valve (Two)(Mechanically Operated).....639
Hydraulic Hand Control (Backhoe).....641
Lines (Hydraulic).....644
Bank Valve (Six)(Mechanically Operated).....646
Lift Cylinder.....648
Tilt Cylinder.....651
Stabilizer Cylinder.....653
Sliding Frame.....656
Boom Cylinder.....659
Boom.....663
Swing Cylinder.....665
Swing Frame.....669
Bucket Cylinder (Backhoe).....674
Bucket Cylinder Lines.....678
Bucket Linkage.....680
Bucket.....682
Stick.....690
Stick Cylinder.....693
Lift Arm.....697
Loader Bucket Linkage.....699
Bucket Positioner and Lift Kickout.....701
UENR5307 - Testing and Adjusting (424B Backhoe Loader Hydraulic and Steering System).....704
Machine Preparation for Troubleshooting.....705
Visual Inspection.....707
Operational Checks.....709
Hydraulic System Troubleshooting.....715
Steering System Troubleshooting.....723
System Pressure - Release.....727
Hydraulic Oil Contamination - Test.....728
Hydraulic Pump - Test and Adjust.....731
Pump Flow - Test.....740
Relief Valve (Line) - Test and Adjust.....743
Relief Valve (Steering Priority) - Test and Adjust.....751
Relief Valve (Loader) - Test and Adjust.....754
Worksheets - Troubleshoot.....757
UENR5313 - Systems Operation (424B Backhoe Loader Hydraulic and Steering System).....760
General Information (Hydraulic System) - Mechanically Operated.....761
Hydraulic Tank and Filter.....766
Piston Pump (Work Tool and Steering).....768
Priority Valve - Inlet Manifold of the Loader.....777
Bank Valve (Loader) - Mechanically Operated.....779
Control Valve (Lift) - Mechanically Operated.....782
Control Valve (Tilt) - Mechanically Operated.....788
Bank Valve (Backhoe) - Mechanically Operated.....792
Control Valve (Stick) - Mechanically Operated.....795
Control Valve (Bucket) - Mechanically Operated.....800
Control Valve (Swing) - Mechanically Operated.....805
Control Valve (Boom) - Mechanically Operated.....810
Control Valve (Stabilizer) - Mechanically Operated.....815
Sideshift Slide Lock Circuit.....819
General Information (Steering).....822
Metering Pump (Steering).....825
UENR5318 - Specifications (424B Backhoe Loader Machine System).....829
Cab - Right Door.....830
Cab - Left Door.....832
Cab Window.....834
Operator Console.....836
Instrument Panel.....840
Cab Mounting.....842
Flood Lighting - Cab.....844
Wiring (Console).....846
Battery and Wiring Group.....850
Fuel Tank.....851
UENR5425 - Schematic (424B; 424B HD and 424B2 Backhoe Loader Electrical System; 420-1128-01 (For Serial Numbers JRC7780-UP).....853
Features.....853
Cover Page.....855
Information.....0
Component Location.....856
Connector Location.....857
Schematic.....858
Machine Views.....0
Battery and Transmission Circuit.....859
Cab Right Side View.....860
Engine.....861
Front Console.....862
Headliner Harness.....863
Machine Component and Connector Locations.....864
Side Console.....865
UENR5426 - Schematic (424B; 424B HD; 424B2 Backhoe Loader Hydraulic System; Main schematics (HUSCO) 420-1124-05 and Main Schematics (Rexorth) 424-4014-03).....866
Feature.....866
Cover Page.....868
Information.....0
Component Location.....0
Volume 1 of 2 - Main Hydraulics With Attachments.....869
Volume 2 of 2 - Main Schematics (Rexorth).....870
Tap Location.....0
Volume 1 of 2 - Main Hydraulics With Attachments.....871
Volume 2 of 2 - Main Schematics (Rexorth).....872
Schematics.....0
Volume 1 of 2 - Main Hydraulics With Attachments.....873
Volume 2 of 2 - Main Schematics (Rexorth).....874
Machine Views.....0
Volume 1 of 2 - Main Hydraulics With Attachments.....0
Backhoe Control Valve.....875
Hydraulic Control Arrangement.....876
Machine Component Locations.....877
Two Bank Valve.....878
Volume 2 of 2 - Main Schematics (Rexorth).....0
Backhoe Control Valve.....879
Hydraulic Control Arrangement.....880
Machine Component Locations.....881
Two Bank Valve.....882
Caterpillar 424B and 424B HD Backhoe Loaders Repair Service Manual
