Caterpillar D20D (9MG), D250D (6NG) ARTICULATED TRUCKS Repair Service Manuals
Complete service repair manual for Caterpillar D20D (Prefix 9MG), D250D (Prefix 6NG) ARTICULATED TRUCKS, with all the shop information to maintain, diagnostic, repair, rebuild (Disassembly & Assembly, Testing & Adjusting, Specifications, Systems Operation, Electrical System Schematic, and Troubleshooting etc.).
Caterpillar D20D (Prefix 9MG), D250D (Prefix 6NG) ARTICULATED TRUCKS 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.
SENR8232 - Schematic (Caterpillar D20D & D250D Articulated Trucks Electrical System)
SENR820 - Specifications (ARTICULATED TRUCK POWER TRAIN).pdf
SENR820 - Systems Operations (ARTICULATED TRUCK POWER TRAIN).pdf
SENR820 - Testing and Adjusting (ARTICULATED TRUCK POWER TRAIN).pdf
SENR5583 - Disassembly and Assembly (SUPPLEMENT FOR 3116 ENGINE D20D AND D250D ARTICULATED DUMP T.).pdf
SENR8226 - Disassembly and Assembly (D20D AND D250D ARTICULATED DUMP TRUCKS POWER TRAIN).pdf
SENR8227 - Schematic (D20D AND D250D ARTICULATED TRUCK HYDRAULIC SYSTEM).pdf
SENR8228 - Specifications (D20D AND D250D ARTICULATED TRUCKS STEERING AND BODY HOIST HY.).pdf
SENR8228 - Systems Operation (D20D AND D250D ARTICULATED TRUCKS STEERING AND BODY HOIST HY.).pdf
SENR8228 - Testing and Adjusting (D20D AND D250D ARTICULATED TRUCKS STEERING AND BODY HOIST HY.).pdf
SENR8229 - Specifications (D20D AND D250D ARTICULATED TRUCK SUSPENSION SYSTEMS).pdf
SENR8229 - Systems Operation (D20D AND D250D ARTICULATED TRUCK SUSPENSION SYSTEMS).pdf
SENR8229 - Testing And Adjusting (D20D AND D250D ARTICULATED TRUCK SUSPENSION SYSTEMS).pdf
SENR8230 - Specifications (D20D AND D250D ARTICULATED TRUCK BRAKING SYSTEMS).pdf
SENR8230 - Systems Operation (D20D AND D250D ARTICULATED TRUCK BRAKING SYSTEMS).pdf
SENR8230 - Testing and Adjusting (D20D AND D250D ARTICULATED TRUCK BRAKING SYSTEMS).pdf
SENR8231 - Disassembly and Assembly (D20D & D250D ARTICULATED DUMP TRUCKS MACHINE SYSTEMS).pdf
SENR8232 - Schematic (Caterpillar D20D & D250D Articulated Trucks Electrical System).pdf
Total Pages: 770 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
SENR5583 - Disassembly and Assembly (SUPPLEMENT FOR 3116 ENGINE D20D AND D250D ARTICULATED DUMP T.).......3
Air Cleaner SMCS - 1051-010.......5
Air Conditioner Condenser SMCS - 1805-010.......7
Air Conditioning Compressor SMCS - 1802-010.......9
Alternator SMCS - 1405-010.......11
Battery SMCS - 1401-010.......12
Cab SMCS - 7301-009.......14
Conditioner Dryer SMCS - 7322-010.......16
Coolant Tank SMCS - 1392-010.......18
Crankcase Guard SMCS - 1202-010.......19
Damper, Pulley & Crankshaft Front Seal SMCS - 1160-010; 1205-010.......20
Engine Oil Cooler SMCS - 1378-010.......23
Engine Oil Filter Base SMCS - 1318-010; 1318-017.......24
Engine SMCS - 1000-010.......26
Engine Support (Front) SMCS - 1154-010.......32
Engine Support (Rear) SMCS - 1154-010.......33
Fan Drive SMCS - 1359-010; 1359-017.......34
Fan Guard SMCS - 1360-010.......37
Fan SMCS - 1355-010.......38
Flywheel SMCS - 1156-010.......39
Fuel Filter SMCS - 1261-010.......41
Fuel Priming Pump & Primary Fuel Filter SMCS - 1260-010.......42
Fuel Priming Pump SMCS - 1260-010.......43
Governor & Fuel Transfer Pump SMCS - 1286-010.......44
Hood SMCS - 7263-010.......46
Lifting Group (Front) SMCS - 1122-010.......48
Lifting Group (rear) SMCS - 1122-010.......50
Muffler SMCS - 1062-010.......51
Oil Filler SMCS - 1316-010.......53
Precleaner Assembly SMCS - 1055-010.......54
Radiator SMCS - 1353-010.......55
Radiator Support SMCS - 7272-010.......58
Shutoff Solenoid SMCS - 1259-010.......60
Starter SMCS - 1453-010.......62
Starting Aid SMCS - 1456-010.......64
Transmission Oil Cooler SMCS - 1375-010.......65
Turbocharger SMCS - 1052-010; 1052-017.......67
V-Belts SMCS - 1357-010.......71
Water Pump Drive SMCS - 1384-010; 1384-017.......73
Water Pump SMCS - 1361-010; 1361-017.......75
Water Temperature Regulator SMCS - 1355-010.......80
SENR820 - Specifications (ARTICULATED TRUCK POWER TRAIN).......81
Differential Lock Actuator (7U4227).......83
Differential and Bevel Gear Groups (8X7580 and 8X7587).......84
Differential and Bevel Gear Groups (9C2207 and 9C3012).......86
Final Drive and Wheel Group (4C1636).......90
Final Drive and Wheel Group (8X7185).......92
Gearshift Linkage.......95
Hitch Drive Shaft Group (7U3950) and Transfer Gearbox Group (7U6050).......97
Hitch Drive Shaft Group (7U4803).......98
Hitch Drive Shaft Group (7U7435).......99
Hitch Drive Shaft Groups (7U7451 and 7U7320) and Transfer Gearbox Groups (7U7448 and 7U7250).......100
Inter-Axle Differentials (7U4078 and 7U4079).......101
Output Transfer Drive (7U4155 and 7U4289).......102
Output Transfer Drive (7U6711).......105
Output Transfer Drive (7U8775).......107
Planetary Transmission (8P7901 and 6Y4419).......109
Reducing Valve Group (9P3060).......112
Retarder Control Valve (2P5802).......114
Retarder and Torque Converter Group (6Y4911, 9W7710, 8E4093 and 6Y5892).......115
Torque Converter (1T1885).......117
Torque Converter Group (1T1886).......119
Torque Converter Group (6T1881 and 6Y5964).......121
Torque Converter Lock Up Selector Valves (9P1495 and 6Y0620).......123
Torque Converter Outlet Relief Valve (2P3675).......124
Torque Converters (6Y4910, 9W7711, 6T1882, 6Y5965 and 6Y5893).......126
Transmission Charging_Scavenge Pump (1T1810).......128
Transmission Charging_Scavenge Pump (8P8208).......129
Transmission Hydraulic Control Valve Group (9P3058).......131
Transmission Mountings - D20D and D250D.......132
Transmission Mountings - D25D, D30D and D350D.......133
Transmission Mountings - D300D.......135
Transmission Oil Filter (6P4603).......137
Transmission Selector and Pressure Control Valve (9P3059).......139
SENR820 - Systems Operations (ARTICULATED TRUCK POWER TRAIN).......142
SENR820 - Testing and Adjusting (ARTICULATED TRUCK POWER TRAIN).......220
SENR8226 - Disassembly and Assembly (D20D AND D250D ARTICULATED DUMP TRUCKS POWER TRAIN).......243
Axles.......245
Center Axle Housing.......248
Differential & Bevel Gear (CENTER or REAR).......250
Differential & Bevel Gear (FRONT).......269
Drive Shaft Assembly (Transmission Drop Box To Drive Hitch).......270
Drive Shaft, (Mid Bearing To Rear Axle).......272
Drive Shaft, (Transfer Gear Case To Center Axle).......274
Drive Shaft, (Transfer Gear To Mid Bearing).......276
Duo-Cone Seals (Conventional & Inverted).......278
Final Drive Planet Carriers & Ring Gears.......295
Front Axle Housing.......300
Gear Group-Transfer.......305
Inter-Axle Differential.......317
Output Transfer Drive.......330
Rear Axle Housing.......344
Retarder Control Valve.......347
Retarder.......351
Scavenge & Transmission Oil Pump.......356
Tires & Rims.......363
Torque Converter Accessory Drive Gear.......365
Torque Converter Outlet Relief Valve.......369
Torque Converter Pump Drive Gears.......373
Torque Converter Screen.......378
Torque Converter Selector Valve.......380
Torque Converter.......383
Transmission & Output Transfer Drive .......405
Transmission & Output Transfer Drive.......407
Transmission Control Linkage.......414
Transmission Hydraulic Control Valve.......417
Transmission Oil Filter.......428
Transmission Screen.......431
Transmission.......433
Wheels, Bearings & Due-Cone Seals.......471
SENR8227 - Schematic (D20D AND D250D ARTICULATED TRUCK HYDRAULIC SYSTEM).......478
SENR8228 - Specifications (D20D AND D250D ARTICULATED TRUCKS STEERING AND BODY HOIST HY.).......483
Compensator Valves.......484
Hand Metering Unit.......486
Hoist Control Valve.......487
Hoist Cylinder.......488
Hydraulic Pumps.......490
Lock Valve.......495
Steering Control Valve.......496
Steering Cylinder.......497
Tailgate Cylinder.......498
SENR8228 - Systems Operation (D20D AND D250D ARTICULATED TRUCKS STEERING AND BODY HOIST HY.).......499
SENR8228 - Testing and Adjusting (D20D AND D250D ARTICULATED TRUCKS STEERING AND BODY HOIST HY.).......535
SENR8229 - Specifications (D20D AND D250D ARTICULATED TRUCK SUSPENSION SYSTEMS).......549
Accumulator.......550
Front Suspension Cylinder.......552
SENR8229 - Systems Operation (D20D AND D250D ARTICULATED TRUCK SUSPENSION SYSTEMS).......554
SENR8229 - Testing And Adjusting (D20D AND D250D ARTICULATED TRUCK SUSPENSION SYSTEMS).......563
SENR8230 - Specifications (D20D AND D250D ARTICULATED TRUCK BRAKING SYSTEMS).......573
Accumulators.......574
Parking Brake Valve.......575
Parking Brake.......576
Pressure Switch.......578
Pressure Switches.......579
Service Brake Group.......580
Service Brake Valve.......582
SENR8230 - Systems Operation (D20D AND D250D ARTICULATED TRUCK BRAKING SYSTEMS).......584
SENR8230 - Testing and Adjusting (D20D AND D250D ARTICULATED TRUCK BRAKING SYSTEMS).......595
SENR8231 - Disassembly and Assembly (D20D & D250D ARTICULATED DUMP TRUCKS MACHINE SYSTEMS).......610
Accumulator-Brake.......612
Accumulator-Charge & Test Procedure.......614
Accumulator.......618
Anticavitation Valve.......622
Ball Resolver Valve.......624
Battery.......626
Body Group.......627
Body Prop Assembly.......630
Cab Tilt Cylinder.......632
Cab.......633
Duo-Cone Seals (Conventional & Inverted).......639
Frame Lock Links.......656
Front Suspension Cylinder.......658
Fuel Tank.......661
Hand Metering Pump.......664
Hoist Control Valve.......671
Hoist Cylinder.......675
Hydraulic Oil Pump.......678
Hydraulic Tank.......693
Oscillating Truck Hitch.......695
Rear Suspension Equalising Frame.......701
Retarder Control Pressure Reducing Valve.......705
Seat.......706
Steering Control Valve.......707
Steering Cylinder.......711
Steering Double Check Valve.......713
Steering Wheel.......715
Supplemental Steering Pump.......717
Tailgate Cylinder Valve.......732
Tailgate Cylinder.......734
Tailgate.......736
Tractor & Trailer Separation & Connection.......738
Valve-Foot Brake.......742
SENR8232 - Schematic (Caterpillar D20D & D250D Articulated Trucks Electrical System).......743
Collage.......744
Main.......769
Caterpillar D20D (9MG), D250D (6NG) ARTICULATED TRUCKS Repair Service Manuals
