John Deere 644H and 644H MH Loader Operation and Test Technical Manual

TABLE OF CONTENTS

Inspect Machine
Use Handholds and Steps
Prevent Machine Runaway
Use Seat Belt Properly
Maintain Seat Belt
Secondary Exits
Travel Safely
Drive Machine Safely
Operate Machine with Caution
Operating on Slopes
Carrying Loads
Avoid Power Lines
Beware of Exhaust Fumes
Keep Riders Off Machine
Handle Fuel Safely—Avoid Fires
Prepare for Emergencies
Handle Starting Fluid Safely
Clean Trash from Machine
Protect Against Flying Debris
Wear Protective Clothing
Protect Against Noise

Avoid High-Pressure Fluids
Clean the Machine Regularly
Service Cooling System Safely
Store Attachments Safely
Dispose of Waste Properly
Operational Checkout Procedure
Operational Checkout Procedure
Engine
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Electrical System
System Information
System Diagrams
Sub-System Diagnostics
References
Power Train
Hydraulic System
Heatina And A/C