Case W18, W20, W20B Wheel Loader Service Manual (PIN 9123140 and Up)

• Covers Case W18, W20, W20B Wheel Loader (PIN 9123140 and Up)
• P/N 9-68960
• 1,242 pages
• Downloadable PDF format
• Searchable, printable
• 126mb file size
• Works with Windows/Mac/Tablet/Mobile

The Case W18, W20 and W20B service manual for PIN numbers 9123140 and above covers specifications, step-by-step procedures and detailed illustrations to help professional and DIY mechanics with mechanical, electrical and hydraulic repairs on the loader. Chapters generally cover specifications, removal and installation, disassembly and assembly, and troubleshooting checks where applicable. The service manual was sourced from original dealer materials and reproduced in a high quality PDF format for your computer, tablet or smartphone. Save time and money by downloading the PDF service manual immediately after checkout.

Topics:

GENERAL INFORMATION

• Detailed Engine Specifications – 401BD
• Maintenance and Lubrication
• Torque Charts
• Noise Control

ENGINES

• Engine Diagnosis
• Engine Tune-up
• Cylinder Head, Valve Train and Camshaft
• Cylinder Block, Sleeves, Pistons and Rods
• Crankshaft, Main Bearings, Flywheel and Oil Seals
• Lubrication System
• General Engine Information (Stall Tests, Engine Removal and Installation, Radiator Removal and Installation)
• Air Cleaner and Muffler
• Ether Injection
• Cooling System
• Turbocharger
• Reconditioning Engine Cylinder Block
• Turbocharger Failure Analysis

FUEL SYSTEM

• Fuel System and Filters
• Robert Bosch Fuel Injection Pump
• Roosa Master Fuel Injectors
• Engine Controls, Fuel Lines, and Fuel Tank
• Electric Fuel Pump

ELECTRICAL

• Electrical System Specifications and Troubleshooting
• Wiring Diagrams
• Instrument Cluster
• Batteries
• Starter
• Alternators

STEERING

• Hydraulic Diagram, Troubleshooting, and Pressure Check
• Steering Control Valve and Flow Control Valve
• Steering Cylinders
• Center Pivot
• Auxiliary Steering

POWER TRAIN

• Allison Powershift Transmission
• Maintenance, Removal and Installation, and Troubleshooting
• Transmission Controls
• Drive Shafts, Center Bearing, and Universal Joints
• Rear Axle Trunnion
• Differential and Planetaries – GKN axle for W20B
• Differential and Planetaries – Rockwell axle for W18 and W20
• Wheels and Tires

BRAKES

• General Air System Information
• Air Compressor, Governor, and Reservoir
• Brake Valve
• Brake Actuator
• Pressure Reducing Valve and Pressure Protection Valve
• Air Horn and Air Horn Valve
• Alcohol Evaporator
• Double Check Valve and Stoplight Switch
• Disc Brakes W20B
• Drum Brakes W18 and W20
• Parking Brake

HYDRAULICS

• General Hydraulic System Information
• Hydraulic Circuit Schematic
• Hydraulic Pump
• Loader Control Valve
• Cylinders

MOUNTED EQUIPMENT

• Air Conditioning Troubleshooting and System Checks
• Air Conditioning System
• Loader
• ROPS Cab and ROPS Canopy

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