Caterpillar 446D Backhoe Loader DBL Workshop Repair Service Manual PDF - MCAT446D.zip
This is the complete service and repair guide for Caterpillar 446D Backhoe Loaders, featuring Electrical Wiring Diagrams and every technical detail needed to service, troubleshoot, fix, and rebuild the machine the way professional technicians do.
The Caterpillar 446D Backhoe Loader workshop service repair manual contains:
* 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.
RENR8703 - Disassembly and Assembly (446D Backhoe Loader Engine Supplement).pdf
RENR8704 - Specifications (446D Backhoe Loader Axles; Differential and Brakes).pdf
RENR8705 - Systems Operation (446D Backhoe Loader Axles; Differential and Brakes).pdf
RENR8705 - Testing and Adjusting (446D Backhoe Loader Axles; Differential and Brakes).pdf
RENR8706 - Specifications; Systems Operation; Testing and Adjusting (446D Backhoe Loader Transmission (Autoshift)).pdf
RENR8707 - Specifications (446D Backhoe Loader Hydraulic and Steering System).pdf
RENR8708 - Systems Operation (446D Backhoe Loader Hydraulic and Steering System).pdf
RENR8708 - Testing and Adjusting (446D Backhoe Loader Hydraulic and Steering System).pdf
RENR8711 - Disassembly and Assembly (446D Backhoe Loader Machine Systems).pdf
RENR8712 - Disassembly and Assembly (446D Backhoe Loader Power Train).pdf
446D BACKHOE LOADER DBL
PRODUCT DETAILS:
Total Pages: 1,382 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
RENR8703 - Disassembly and Assembly (446D Backhoe Loader Engine Supplement)...1
Hydraulic System Pressure - Release...2
Hood - Remove and Install...4
Side Panel - Remove and Install...9
Muffler - Remove and Install...12
Electric Starting Motor - Remove and Install...14
Refrigerant Compressor - Remove and Install...18
Alternator - Remove and Install...22
Fan - Remove and Install...25
Fan Drive - Remove...28
Fan Drive - Disassemble...31
Fan Drive - Assemble...33
Fan Drive - Install...36
Water Pump - Remove and Install...39
Water Temperature Regulator - Remove and Install...42
Crankshaft Pulley - Remove and Install...45
Radiator; Refrigerant Condenser; Hydraulic Oil Cooler - Remove and Install...51
Refrigerant Condenser - Remove and Install...67
Hydraulic Oil Cooler - Remove and Install...74
Radiator and Transmission Oil Cooler - Remove and Install...84
Turbocharger - Remove and Install...97
Fuel Filter and Water Separator - Remove and Install...101
Fuel Filter and Base - Remove and Install...104
Fuel Tank - Remove...109
Fuel Tank - Install...113
Air Cleaner - Remove and Install...117
Engine and Torque Converter - Remove...121
Engine and Torque Converter - Separate...131
Engine and Torque Converter - Connect...132
Engine and Torque Converter - Install...133
RENR8704 - Specifications (446D Backhoe Loader Axles; Differential and Brakes)...143
Axle (Front)...144
Drive and Steering Axle (Front)...146
Wheel and Tire (Front)...151
Axle (Rear)...153
Wheel and Tire (Rear)...158
Drive Shaft...160
Differential Lock Control...162
Parking Brake Control...164
Service Brake Control...167
RENR8705 - Systems Operation (446D Backhoe Loader Axles; Differential and Brakes)...171
Axle (Front)...172
Drive and Steering Axle (Front)...174
Axle (Rear)...178
Parking Brake Control...180
Service Brake Control...182
Differential (Limited Slip)...187
Differential (Standard)...190
Differential Lock...192
RENR8705 - Testing and Adjusting (446D Backhoe Loader Axles; Differential and Brakes)...195
Axle (Front) - Adjust...196
Axle Housing and Bearing Preload - Adjust...200
Axle; Differential and Brake Troubleshooting...204
Brake System Air - Purge...210
Differential Backlash and Bearings - Adjust...212
Differential Lock - Adjust...218
Differential Pinion Bearing - Adjust...220
Drive and Steering Axle (Front) - Adjust...232
General Information...235
Parking Brake Control - Adjust...238
Service Brake Control - Adjust...245
Visual Inspection...254
RENR8706 - Specifications; Systems Operation; Testing and Adjusting (446D Backhoe Loader Transmission (Autoshift))...256
Transmission (Autoshift)...257
Solenoid Valve (Autoshift)...263
General Information...266
Torque Converter...268
Transmission...273
Transmission Control...304
Transmission Hydraulic System...315
Machine Preparation for Troubleshooting...321
Operational Checks...322
Visual Inspection...323
Power Train Troubleshooting...326
Pressure Taps...330
Transmission and Torque Converter - Test...338
RENR8707 - Specifications (446D Backhoe Loader Hydraulic and Steering System)...346
Hydraulic Tank...348
Piston Pump (Implement and Steering)...349
Pump Control Valve...353
Metering Pump (Steering)...356
Priority Valve...358
Crossover Relief Valve (Swing Cushion)...360
Hydraulic Hand Control (Loader) (Mechanically Operated)...361
Joystick Control (Backhoe)...363
Hydraulic Pedal Control...367
Hydraulic Hand Control (Stabilizer)...368
Bank Valve (Two)(Mechanically Operated)...370
Bank Valve (Three)(Pilot Operated)...371
Bank Valve (Three)(Mechanically Operated)...373
Bank Valve (Four)(Pilot Operated)...377
Bank Valve (Four)(Mechanically Operated)...380
Bank Valve (Five)(Pilot Operated)...383
Bank Valve (Five)(Mechanically Operated)...386
Control Valve (Lift)(Mechanically Operated)...389
Control Valve (Tilt)(Mechanically Operated)...391
Control Valve (Auxiliary)(Loader) (Mechanically Operated)...393
Control Valve (Extendable Stick_Auxiliary) (Mechanically Operated)...395
Control Valve (Stick)(Pilot Operated)...397
Control Valve (Stick)(Mechanically Operated)...399
Control Valve (Backhoe Bucket) (Pilot Operated)...401
Control Valve (Backhoe Bucket)(Mechanically Operated)...403
Control Valve (Swing)(Pilot Operated)...405
Control Valve (Swing)(Mechanically Operated)...407
Control Valve (Boom)(Pilot Operated)...409
Control Valve (Boom)(Mechanically Operated)...411
Control Valve (Stabilizer)...413
Lift Cylinder...415
Tilt Cylinder...416
Multipurpose Bucket Cylinder...417
Stabilizer Cylinders...418
Boom Cylinder...420
Swing Cylinders...421
Bucket Cylinder (Backhoe)...423
Stick Cylinder...424
Extendable Stick Cylinder...425
Bucket Cylinder (Extendable Stick)...426
Lift Arm Group...427
Bucket Positioner and Lift Kickout...428
Transport Lock...430
Ride Control Accumulator...433
Solenoid Valve and Mounting (Ride Control)...434
Steering Cylinder (2WD)...435
RENR8708 - Systems Operation (446D Backhoe Loader Hydraulic and Steering System)...436
General Information (Hydraulic System)...437
Hydraulic Tank and Filter...448
Signal Resolver Network...451
Piston Pump (Implement and Steering)...454
Priority Valve...465
Relief Valve (Line)...471
Makeup and Relief Valve...475
Bank Valve (Loader) (Mechanically Operated)...480
Control Valve (Lift) (Mechanically Operated)...483
Control Valve (Tilt) (Mechanically Operated)...492
Control Valve (Auxiliary) (Loader) (Mechanically Operated)...502
Bank Valve (Backhoe) (Pilot Operated)...509
Bank Valve (Backhoe) (Mechanically Operated)...512
Control Valve (Extendable Stick_Auxiliary) (Mechanically Operated)...515
Control Valve (Stick) (Pilot Operated)...522
Control Valve (Stick) (Mechanically Operated)...528
Control Valve (Bucket) (Pilot Operated)...534
Control Valve (Bucket) (Mechanically Operated)...540
Control Valve (Swing) (Pilot Operated)...546
Control Valve (Swing) (Mechanically Operated)...556
Crossover Relief Valve (Swing Cushion)...565
Control Valve (Boom) (Pilot Operated)...567
Control Valve (Boom) (Mechanically Operated)...573
Bank Valve (Stabilizer)...579
Ride Control System - If Equipped...584
Hydraulic System Lock...588
General Information (Steering)...591
Metering Pump (Steering)...595
RENR8708 - Testing and Adjusting (446D Backhoe Loader Hydraulic and Steering System)...600
Machine Preparation for Troubleshooting...601
Visual Inspection...603
Operational Checks...605
Hydraulic System Troubleshooting...610
Steering System Troubleshooting...619
Hydraulic System Pressure - Release...623
Hydraulic Oil Contamination - Test...624
Hydraulic Pump - Test and Adjust...628
Pump Flow - Test...642
Relief Valve (Line) - Test and Adjust...647
Signal Resolver Network - Check...657
Pilot System Pressure - Test...662
Relief Valve (Steering Priority) - Test and Adjust...664
Ride Control - Test...667
Ride Control Accumulator - Test and Charge...669
Worksheets - Troubleshoot...675
RENR8711 - Disassembly and Assembly (446D Backhoe Loader Machine Systems)...677
Hydraulic System Pressure - Release...680
Bucket - Remove and Install...682
Tilt Cylinder - Remove and Install...685
Bucket Positioner Control - Remove and Install...695
Lift Cylinder - Remove and Install...698
Lift Arms - Remove...706
Lift Arms - Install...708
Hoe Bucket - Remove and Install...710
Backhoe Bucket Linkage - Remove and Install...714
Backhoe Bucket Cylinder - Remove and Install...719
Stick Cylinder - Remove and Install...726
Stick - Remove and Install...732
Extendable Stick Cylinder - Remove and Install...736
Extendable Stick - Remove and Install...742
Boom Cylinder - Remove and Install...748
Boom - Remove and Install...753
Swing Cylinder - Remove and Install...757
Swing Frame - Remove...763
Swing Frame - Install...766
Stabilizer Cylinder - Remove and Install...769
Stabilizer - Remove and Install...774
Floorplate - Remove and Install...776
Service Brake Control - Remove...781
Service Brake Control - Disassemble...784
Service Brake Control - Assemble...789
Service Brake Control - Install...795
Pilot Valve (Loader) - Remove...798
Pilot Valve (Loader) - Disassemble...804
Pilot Valve (Loader) - Assemble...814
Pilot Valve (Loader) - Install...823
Pilot Valve (Backhoe) - Remove...828
Pilot Valve (Backhoe) - Disassemble...831
Pilot Valve (Backhoe) - Assemble...838
Pilot Valve (Backhoe) - Install...844
Pilot Valve (Stabilizer) - Remove...847
Pilot Valve (Stabilizer) - Disassemble...852
Pilot Valve (Stabilizer) - Assemble...857
Pilot Valve (Stabilizer) - Install...861
Bank Valve (Backhoe) - Remove...865
Bank Valve (Backhoe) - Disassemble...872
Bank Valve (Backhoe) - Assemble...887
Bank Valve (Backhoe) - Install...901
Bank Valve (Stabilizer) - Remove...906
Bank Valve (Stabilizer) - Disassemble...909
Bank Valve (Stabilizer) - Assemble...920
Bank Valve (Stabilizer) - Install...930
Bank Valve (Loader) - Remove...932
Bank Valve (Loader) - Disassemble...939
Bank Valve (Loader) - Assemble...964
Bank Valve (Loader) - Install...988
Pump Drive - Remove and Install...994
Piston and Vane Pump - Remove...996
Piston Pump - Disassemble...1000
Piston Pump - Assemble...1013
Vane Pump - Disassemble...1027
Vane Pump - Assemble...1033
Piston and Vane Pump - Install...1038
Hydraulic Tank - Remove...1041
Hydraulic Tank - Install...1046
Steering Metering Pump - Remove...1050
Steering Metering Pump - Install...1054
Steering Wheel - Remove and Install...1057
Window Wiper and Wiper Motor (Front) - Remove...1060
Window Wiper and Wiper Motor (Front) - Install...1066
Window Wiper and Wiper Motor (Rear) - Remove...1074
Window Wiper and Wiper Motor (Rear) - Install...1080
Cab - Remove...1088
Cab - Install...1103
Seat - Remove...1116
Seat - Disassemble...1118
Seat - Assemble...1128
Seat - Install...1138
Air Conditioner and Heater - Remove...1140
Air Conditioner and Heater - Install...1145
Counterweight - Remove and Install...1150
RENR8712 - Disassembly and Assembly (446D Backhoe Loader Power Train)...1153
Hydraulic System Pressure - Release...1155
Tire and Rim (Front) - Remove and Install...1157
Tie Rod (Steering)(Front) - Remove and Install...1162
Steering Cylinder (Front) - Remove and Install...1165
Final Drive (Drive and Steering Axle)(Front) - Remove...1168
Final Drive (Drive and Steering Axle)(Front) - Disassemble - In Chassis...1170
Final Drive (Drive and Steering Axle)(Front) - Assemble - In Chassis...1174
Final Drive (Drive and Steering Axle)(Front) - Install...1177
Drive Shaft (Front) - Remove and Install...1179
Drive and Steering Axle (Front) - Remove...1183
Differential (Drive and Steering Axle) (Front) - Remove...1185
Differential (Drive and Steering Axle) (Front) - Disassemble...1189
Differential (Drive and Steering Axle) (Front) - Assemble...1195
Differential (Drive and Steering Axle) (Front) - Install...1207
Drive and Steering Axle (Front) - Install...1210
Solenoid Valve (Transmission) - Remove...1212
Solenoid Valve (Transmission) - Disassemble...1215
Solenoid Valve (Transmission) - Assemble...1217
Solenoid Valve (Transmission) - Install...1219
Transmission (Power Shift) - Remove...1222
Transmission (Power Shift) - Disassemble...1227
Transmission (Power Shift) - Assemble...1275
Transmission (Power Shift) - Install...1330
Torque Converter - Remove and Install...1335
Parking Brake - Remove and Install...1337
Drive Shaft (Rear) - Remove and Install...1344
Tire and Rim (Rear) - Remove and Install...1347
Rear Axle - Remove...1350