Caterpillar 440 and 450 Backhoe Loaders Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Caterpillar 440 and 450 Backhoe Loaders, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Caterpillar 440 and 450 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.
M0090375 - Specifications (440 and 450 Backhoe Loader Hydraulic and Steering System).pdf
M0090709 - Service Manual (440 and 450 Backhoe Loaders Transmission - Specifications; Systems Operation; Testing & Adjusting).pdf
M0090714 - Specifications (440 and 450 Backhoe Loader Axles; Differential and Brakes).pdf
M0090715 - Testing and Adjusting; Systems Operation (440 and 450 Backhoe Loader Axle; Differential; and Brakes).pdf
M0090719 - Systems Operation; Testing and Adjusting (440 and 450 Backhoe Loaders Hydraulic and Steering System).pdf
M0090723 - Systems Operation (440 and 450 Backhoe Loaders Monitoring System).pdf
M0090723 - Testing and Adjusting (440 and 450 Backhoe Loaders Monitoring System).pdf
M0090723 - Troubleshooting (440 and 450 Backhoe Loaders Monitoring System).pdf
M0090728 - Troubleshooting; Systems Operation; Testing and Adjusting (440; 450 Backhoe Loader).pdf
M0092671 - Disassembly and Assembly (440; 450 Backhoe Loader Engine Supplement).pdf
M0092673 - Disassembly and Assembly (440; 450 Backhoe Loaders Powertrain Systems).pdf
M0092674 - Disassembly and Assembly (440; 450 Backhoe Loaders Machine Systems).pdf
UENR8141 - Schematic (440 & 450 Backhoe Loader Hydraulic System).pdf
UENR8142 - Schematic (440 & 450 Backhoe Loader Electrical System; Cab Wiring; Engine and DEF Wiring; Chassis Wiring (DYN1-UP MZX1-UP KJH1-UP DC91-UP)).pdf
PRODUCT DETAILS:
Total Pages: 1,804 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
M0090375 - Specifications (440 and 450 Backhoe Loader Hydraulic and Steering System)...1
Hydraulic Lines Mounting...4
Auxiliary Hydraulic Lines...6
Suction Fan...8
Refrigerant Condenser and Mounting...9
Refrigerant Compressor...10
Heater and Air Conditioner Lines...12
Air Conditioner and Mounting...14
Radiator and Hydraulic Oil Cooler...15
Hydraulic Tank and Mounting...18
Oil Filter (Hydraulic)...20
Hydraulic Oil Filter and Mounting...21
Piston Pump...22
Limit Switch (Service Brake)...23
Metering Pump (Steering)...25
Joystick Control Mounting...26
Hydraulic Accumulator (Pilot Oil)...28
Bank Valve (Three)(Mechanically Operated)...29
Control Valve - Fork...30
Control Valve - Coupler...32
Lines (Hydraulic) - Return...33
Bank Valve (Eight) (Pilot Operated)...35
Lines (Lift Cylinder)...38
Lift Cylinder...40
Lines (Tilt Cylinder)...42
Tilt Cylinder...44
Multipurpose Bucket Cylinder...46
Coupler Lines...48
Quick Coupler...53
Stabilizer Cylinder - LH...56
Stabilizer Cylinder - RH...58
Boom Cylinder...60
Boom Guard...62
Boom - 4.5 m (15 ft)...64
Swing Cylinder...66
Swing Cylinder Lines...68
Swing Frame...69
Bucket Cylinder (Backhoe)...71
Bucket Cylinder Lines...73
Bucket Linkage...75
Bucket...77
Bucket Mounting...79
Backhoe and Stabilizer Linkages...81
Stick - Extendable - 4.57 m (15.000 ft)...83
Stick Cylinder...86
Bucket Cylinder (Extendable Stick)...88
Cylinder Guard - Stabilizer...90
Loader Frame...91
Lift Arm...93
Position Sensor and Mounting...95
Transport Lock...96
Ride Control Manifold...98
Steering Lines...100
Steering Control Group...102
Air Cleaner...103
Fuel Tank...105
Fuel Lines...107
Diesel Exhaust Fluid Lines...109
Exhaust Extension...111
Flexible Exhaust Pipe...112
Counterweight...114
Cab Trim - Roof...116
Seat Mounting...117
Engine Hood...118
Flood Lamp...119
Seat Belt...120
Fender - Rear...121
Fender - Front...123
Window Wiper and Wiper Motor...124
Hood - Guard...126
Cab Window...128
Cab Window - RH...130
Cab Door - LH...134
Cab Door - RH...136
Quick Coupler Lock...138
M0090709 - Service Manual (440 and 450 Backhoe Loaders Transmission - Specifications; Systems Operation; Testing & Adjusting)...141
Specifications...141
Torque Converter...142
Power Train Oil Filler...143
Flexible Coupling Drive...144
Transmission Oil Pump...145
Pump Lines...147
Governor Control...149
Transmission Control...151
Solenoid Valve (Autoshift)...155
Steering Lines...160
Transmission Case...164
Systems Operation...176
General Information...177
Torque Converter...178
Transmission...182
Transmission Control...214
Transmission Hydraulic System...235
Testing and Adjusting...241
Machine Preparation for Troubleshooting...242
Visual Inspection...243
Pressure Taps - Autoshift...245
Transmission and Torque Converter - Test...248
M0090714 - Specifications (440 and 450 Backhoe Loader Axles; Differential and Brakes)...257
Drive and Steering Axle (Front)...258
Wheel and Tire (Front)...264
Wheel and Tire (Rear)...265
Drive Shaft...266
Solenoid Valve and Mounting (Differential Lock)...267
Service Brake Control...268
Drive Group (Flexible Coupling)...270
Pilot Oil Accumulator...271
M0090715 - Testing and Adjusting; Systems Operation (440 and 450 Backhoe Loader Axle; Differential; and Brakes)...273
Drive and Steering Axle (Front)...274
Axle (Rear)...277
Parking Brake...280
Service Brake Control...284
Service Brake Control - Power Assist...287
Differential Lock...291
Brake System Air - Purge...297
Drive and Steering Axle (Front) - Adjust...301
Differential Pinion Bearing - Adjust - 440 Rear Axle...305
Differential Backlash and Bearings - Adjust - 440 Rear Axle...310
Axle Housing and Bearing Preload - Adjust...320
Parking Brake - Test and Adjust...325
Service Brake Control - Adjust...330
M0090719 - Systems Operation; Testing and Adjusting (440 and 450 Backhoe Loaders Hydraulic and Steering System)...339
General Information (Hydraulic System)...340
Hydraulic Tank and Filter...346
Piston Pump (Work Tool and Steering)...348
Bank Valve (Loader)...355
Control Valve (Main)...359
Bank Valve (Backhoe)...379
Control Valve (Extendable Stick) - Pilot Operated...382
Crossover Relief Valve (Swing Cushion) - If Equipped...388
Control Valve (Auxiliary) - Electro-Hydraulically Operated...390
Ride Control System...395
General Information (Steering)...398
Metering Pump (Steering)...401
System Pressure - Release...404
Hydraulic Oil Contamination - Test...406
Hydraulic Pump - Test and Adjust...409
Relief Valve (Line) - Test and Adjust...415
Pilot System Pressure - Test...425
Ride Control Accumulator - Test and Charge...429
Worksheets - Troubleshoot...431
M0090723 - Systems Operation (440 and 450 Backhoe Loaders Monitoring System)...434
Monitoring System...435
Display Module...436
Data Link...455
Menu Navigation...457
Totals Menu...459
Service Menu...465
Settings Menu...475
M0090723 - Testing and Adjusting (440 and 450 Backhoe Loaders Monitoring System)...496
Module - Replace...497
Module - Flash Program...499
Connector Contact Description...502
System Schematic...504
M0090723 - Troubleshooting (440 and 450 Backhoe Loaders Monitoring System)...506
General Information...507
Service Tools...508
Diagnostic Capabilities...510
Determining Diagnostic Trouble Codes...514
Diagnostic Trouble Codes...520
M0090728 - Troubleshooting; Systems Operation; Testing and Adjusting (440; 450 Backhoe Loader)...521
Systems Operation...522
Features...523
Electrical Input Components...536
Electronic Control Module...592
Electrical Output Components...595
Testing and Adjusting...627
Calibration...628
Connector Contact Description...642
System Schematic...657
Troubleshooting...660
General Information...662
Service Tools...664
Connector Locations...666
Diagnostic Capabilities...667
Machine Preparation for Troubleshooting...683
Operational Checks (Axle; Differential)...687
Operational Checks (Brake System)...689
Operational Checks (Hydraulic System)...691
Operational Checks (Transmission)...692
Operational Checks (Steering System)...694
Determining Diagnostic Trouble Codes...695
Diagnostic Trouble Codes...700
Event Codes...710
Symptom Troubleshooting...718
Emerging Symptom Information...720
Axle and Differential...721
Brake System...725
Hydraulic System...728
Steering System...737
Transmission...741
CAN Data Link - Test...748
Charging System - Test...756
Electrical Connector - Inspect...757
Electrical Power Supply - Test...764
Operator Control Switch (Switch to Ground) - Test...772
Sensor Signal (Analog; Passive) - Test...784
Sensor Signal (PWM) - Test...791
Sensor Supply - Test...806
Solenoid Valve - Test...814
Solenoid Valve (Switch Controlled) - Test...834
Wiring Harness (Open Circuit) - Test...841
Wiring Harness (Short Circuit) - Test...843
M0092671 - Disassembly and Assembly (440; 450 Backhoe Loader Engine Supplement)...844
System Pressure - Release...845
Hood - Remove and Install...846
Side Panel - Remove and Install...848
Muffler - Remove and Install - Clean Emissions Module...850
Battery - Remove and Install - Dual Batteries...863
Electric Starting Motor - Remove and Install...868
Refrigerant Compressor - Remove and Install...874
Alternator - Remove and Install...879
Fan - Remove and Install...884
Fan Drive - Remove and Install...890
Water Pump - Remove and Install...892
Water Temperature Regulator - Remove and Install...897
Radiator; Fuel Cooler; After Cooler; and Hydraulic and XMSN Oil Cooler - Remove and Install...899
Refrigerant Condenser - Remove and Install...917
Hydraulic and Transmission Oil Cooler - Remove and Install...921
Radiator - Remove and Install...924
Turbocharger - Remove and Install...926
Diesel Exhaust Fluid Filter - Remove and Install...933
Diesel Exhaust Fluid Pump - Remove and Install...938
Diesel Exhaust Fluid Injector - Remove and Install...942
Fuel Filter and Water Separator - Remove and Install...948
Air Cleaner - Remove and Install...950
Engine - Remove...952
Engine - Install...969
M0092673 - Disassembly and Assembly (440; 450 Backhoe Loaders Powertrain Systems)...987
System Pressure - Release...989
Solenoid Valve (Transmission) - Remove...990
Solenoid Valve (Transmission) - Install...993
Transmission (Power Shift) - Remove...996
Transmission (Power Shift) - Disassemble...1012
Transmission (Power Shift) - Assemble...1067
Transmission (Power Shift) - Install...1128
Drive Shaft (Front) - Remove and Install...1143
Drive Shaft (Rear) - Remove...1145
Drive Shaft (Rear) - Install...1147
Parking Brake - Remove and Install...1149
Tie Rod (Steering)(Front) - Remove and Install...1152
Final Drive Planetary - Remove and Install - Rear...1155
Axle Housing and Flange - Remove...1158
Axle Housing and Flange - Disassemble...1164
Axle Housing and Flange - Assemble...1168
Axle Housing and Flange - Install...1172
Axle Shaft - Remove and Install...1179
Axle Housing (Differential and Bevel Gear) (Front) - Remove...1182
Axle Housing (Differential and Bevel Gear) (Front) - Disassemble...1183
Axle Housing (Differential and Bevel Gear) (Front) - Assemble...1193
Axle Housing (Differential and Bevel Gear) (Front) - Install...1207
Drive and Steering Axle (Front) - Remove...1209
Drive and Steering Axle (Front) - Install...1212
Steering Cylinder (Front) - Remove...1216
Steering Cylinder (Front) - Install...1218
Rear Axle - Remove...1220
Rear Axle - Install...1225
Axle Housing; Axle Shaft; and Wheel Flange - Remove...1231
Axle Housing; Axle Shaft; and Wheel Flange - Disassemble...1233
Axle Housing; Axle Shaft; and Wheel Flange - Assemble...1239
Axle Housing; Axle Shaft; and Wheel Flange - Install...1246
Axle Housing (Service Brakes; Differential and Bevel Gear) - Assemble...1248
Axle Housing (Service Brakes; Differential and Bevel Gear) - Disassemble...1270
Tire and Rim (Front) - Remove and Install...1282
Tire and Rim (Rear) - Remove and Install...1286
M0092674 - Disassembly and Assembly (440; 450 Backhoe Loaders Machine Systems)...1289
Bucket Positioner Control - Remove and Install...1292
System Pressure - Release...1298
Tilt Cylinder - Remove and Install...1299
Tilt Cylinder - Disassemble...1309
Tilt Cylinder - Assemble...1317
Lift Cylinder - Remove and Install...1324
Lift Cylinder - Disassemble...1329
Lift Cylinder - Assemble...1337
Lift Arms - Remove and Install...1344
Hoe Bucket - Remove and Install...1352
Quick Coupler - Remove and Install - Backhoe Bucket Linkage...1354
Quick Coupler - Remove and Install - Loader Bucket...1358
Backhoe Bucket Linkage - Remove and Install...1364
Backhoe Bucket Cylinder - Remove and Install...1369
Backhoe Bucket Cylinder - Disassemble...1374
Backhoe Bucket Cylinder - Assemble...1382
Stick Cylinder - Remove and Install...1389
Stick Cylinder - Disassemble...1395
Stick Cylinder - Assemble...1403
Stick - Remove and Install - Equipped with extendable stick...1410
Stick - Remove and Install...1420
Extendable Stick Cylinder - Remove and Install...1425
Extendable Stick Cylinder - Disassemble...1431
Extendable Stick Cylinder - Assemble...1437
Extendable Stick - Remove and Install...1443
Boom Cylinder - Remove and Install...1455
Boom Cylinder - Disassemble...1464
Boom Cylinder - Assemble...1472
Boom - Remove and Install...1479
Swing Cylinder - Remove and Install...1486
Swing Cylinder - Disassemble...1491
Swing Cylinder - Assemble...1499
Swing Frame - Remove...1507
Swing Frame - Install...1518
Stabilizer Cylinder - Remove and Install...1528
Stabilizer Cylinder - Disassemble...1532
Stabilizer Cylinder - Assemble...1540
Stabilizer - Remove and Install...1547
Service Brake Control - Remove and Install...1550
Joystick Control - Remove and Install - Seat Mounted...1557
Bank Valve (Backhoe) - Remove...1564
Bank Valve (Backhoe) - Install...1571
Bank Valve (Loader) - Remove...1578
Bank Valve (Loader) - Disassemble...1585
Bank Valve (Loader) - Assemble...1600
Bank Valve (Loader) - Install...1615
Piston Pump (Main Hydraulic) - Remove and Install...1621
Piston Pump (Main Hydraulic) - Disassemble...1628
Piston Pump (Main Hydraulic) - Assemble...1638
Hydraulic Tank - Remove and Install...1649
Steering Metering Pump - Remove and Install...1655
Steering Wheel - Remove and Install...1660
Window Wiper and Wiper Motor (Front) - Remove and Install...1662
Window Wiper and Wiper Motor (Rear) - Remove and Install...1671
Canopy - Remove and Install...1675
Cab - Remove...1703
Cab - Install...1726
Refrigerant Accumulator - Remove and Install...1750
Ride Control Accumulator - Remove and Install...1753
Seat - Remove and Install...1755
Air Conditioner and Heater - Remove and Install...1760
Fuel Tank - Remove and Install...1772
Counterweight - Remove and Install...1776
UENR8141 - Schematic (440 &450 Backhoe Loader Hydraulic System)...1778
Features...1778
Cover Page...1780
Information...0
Component Location...1781
Tap Location...1782
Schematic...1783
Machine Views...0
Machine - Left Side View...1784
Machine - Rear View...1785
Machine - Right Side View...1786
Machine Top View - Pump Gp...1787
Quick Coupler...1788
UENR8142 - Schematic (440 & 450 Backhoe Loader Electrical System; Cab Wiring; Engine and DEF Wiring; Chassis Wiring (DYN1-UP MZX1-UP KJH1-UP DC91-UP))...1789
Feature...1789
Cover Page...1791
Information...0
Component Location...0
Vol 1 - Cab Wiring...1792
Vol 2 - Engine and DEF Wiring...1793
Vol 3 - Chassis Wiring...1794
Connector Location...0
Vol 1 - Cab Wiring...1795
Vol 2 - Engine and DEF Wiring...1796
Vol 3 - Chassis Wiring...1797
Schematics...0
Vol 1 - Cab Wiring...1798
Vol 2 - Engine and DEF Wiring...1799
Vol 3 - Chassis Wiring...1800
Machine Views...0
Vol 1 - Cab Wiring...0
Cab - Front View...1801
Cab - Platform Wiring...1802
Cab - Side Console...1803
Cab - Bottom View...1804
Power Distribution Board - Relays and Fuses...1805
Vol 2 - Engine and DEF Wiring...0
Battery and DEF Wiring...1806
Engine Top View...1807
Machine Front View...1808
Machine Left Side - Engine Wiring...1809
Machine Right Side - Engine Wiring...1810
Vol 3 - Chassis Wiring...0
Cab - Front View...1811
Cab - Left Side View...1812
Cab - Rear View...1813
Cab - Side Console Front View...1814
Cab - Side Console Rear View...1815
Machine Bottom View...1816
Machine - Right Side View...1817
Caterpillar 440 and 450 Backhoe Loaders Repair Service Manual
