Case 621C, 721C Wheel Loader Service Manual


Covers: Case 621C, 721C Wheel Loader
Pages: 861
Format: PDF
File size: 173mb
Compatibility: Windows/Mac computers
Notes: Bookmarked, searchable, printable, instant download

This service manual contains the necessary technical information to service and repair Case 621C, 721C Loaders. Includes detailed Case 621B, 721B Wheel Loader specifications, torques, removal and installation procedures, troubleshooting and much more. View the Case 621B, 721B Wheel Loader Service Repair Manual on your computer or print off pages as needed.

Engine repair manual, parts manual and operator’s manual sold separately (6-590 or 6-830).

Topics in the Case 621C, 721C Wheel Loader Service Manual:

General Information
Standard Torque Specifications
Fluids and Lubricants
Loctite Product Chart

Engine and Radiator Removal and Installation
Stall Tests
*For Engine/Fuel Repair, See the Engine Service Manual (6-590 or 6-830)

Removal and Installation of Starter and Alternator
Electrical Specifications and Troubleshooting
Starter and Starter Solenoid
Information and Diagnostic Center

Removal and Installation of Steering Components
Steering Specifications, Pressure Checks, and Troubleshooting
Steering Priority Valve
Steering Control Valve
Steering Cylinders
Center Pivot

Power Train
Transmission Specifications, Pressure Checks and Troubleshooting
Transmission Service
Front and Rear Axle
Drive Shaft, Center Bearing, and Universal Joints
Wheels and Tires
Transmission Control Valve

Removal and Installation of Brake Components
Hydraulic Brake Troubleshooting
Brake Accumulators
Brake Actuator Valve
Brake Accumulator Valve
Parking Brake

Removal and Installation of Hydraulic Components
Hydraulic Specifications, Pressure Checks and Troubleshooting
Hydraulic Pump
Cleaning the Hydraulic System
Loader Control Valve
Remote Control Valves
Coupler Lock Valve
Combination Valve
Accumulator for Ride Control
Solenoid Valve and Accumulator Valve for Ride Control

Mounted Equipment
Pedals and Levers
Air Conditioning Troubleshooting, and System Checks
Air Conditioner System Service
Removal and Installation of Air Conditioning System Components
Air Conditioning Compressor and Clutch
ROPS Cab and ROPS Canopy
Cab Glass Installation

Hydraulic Schematic (Diagram)
Electrical Wiring Schematic (Diagram)

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