Case 621E Loader Service Manual

Covers: Case 621E Loader (All Serial Numbers)
Pages: 936
Format: PDF download
File size: 164mb
Compatibility: Windows/Mac/Tablet/Smartphone
Notes: Instant digital download only – no printed copy or CD-ROM media.

The Case 621E service manual covers comprehensive maintenance, service, repair and troubleshooting procedures for the wheel loader. This service manual has over 900 illustrated pages of technical information for professional and DIY mechanics. View the service manual on your tablet, phone or computer and save time and money on repairs.

Latest edition. 667TA engine/fuel repair manual sold separately.

Topics:

General Information

• Fluids and Lubricants
• Standard Torque Specs
• Conversion Chart

Engine

• Engine and Radiator Removal and Installation
• Stall Tests
• Aftercooler

Electrical

• Electrical Specifications and Troubleshooting
• Removal and Installation of Starter and Alternator
• Batteries
• Instrument Cluster

Steering

• Removal and Installation of Steering Components
• Steering Specifications, Pressure Checks, and Troubleshooting
• Steering Cylinders
• Center Pivot
• Auxiliary Steering Motor and Pump
• Joystick Steering

Power Train

• Removal and Installation of Power Train Components
• Transmission Specifications, Pressure Checks and Troubleshooting
• Transmission
• Front Axle
• Rear Axle
• Drive Shafts, Center Bearing, and Universal Joints
• Wheels and Tires
• Transmission Control Valve

Brakes

• Removal and Installation of Brake Components
• Hydraulic Brake Troubleshooting
• Brake Pump
• Brake Accumulators
• Parking Brake

Hydraulics

• How to Read Hydraulic Schematics
• Hydraulic Specifications, Pressure Checks and Troubleshooting
• Removal and Installation of Hydraulic Components
• Cleaning the Hydraulic System
• Pump
• Loader Control Valve
• Cylinders
• Coupler Solenoid Locking Valve
• Ride Control Accumulator
• Ride Control Valve

Mounted Equipment

• Air Conditioner Troubleshooting and System Checks
• Air Conditioner System Service
• Removal and Installation of Air Conditioning/Heater Components
• Loader
• ROPS and Cab Structural Frame
• Cab Glass Installation

SCHEMATIC FOLDOUTS

• Electrical Schematic (Wiring Diagram)
• Hydraulic Circuit Schematic

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