John Deere 440C Skidder Repair Technical Manual (TM1138)

1. Wheels: Covers details on wheel configurations, maintenance, and replacement procedures.
2. Axles and Suspension Systems: Describes axle setups and suspension mechanisms, including inspection and repair techniques.
3. Transmission: Details on transmission types, diagnostics, servicing, and troubleshooting.
4. Engines: Focuses on engine components, operational checks, and repair guidelines.
5. Engine Auxiliary Systems: Explains systems supporting engine operation, like cooling, fuel, and air intake systems.
6. Steering System: Outlines components and functionality of the steering mechanism, including adjustments and repairs.
7. Service Brakes: Covers regular braking systems, their operation, and maintenance routines.
8. Emergency Brakes: Focuses on backup braking systems and their proper use and servicing.
9. Electrical Systems: Explains electrical components, wiring, and troubleshooting methods.
10. Frame, Chassis, or Supporting Structure: Describes the structural framework, inspections, and potential repairs.
11. Operator’s Station: Details controls, seating, and ergonomic features of the operator’s area.
12. Sheet Metal: Covers maintenance and repair of external panels and coverings.
13. Safety, Convenience, and Miscellaneous: Addresses safety features, convenience items, and miscellaneous components.
14. Hydraulic System: Explains the hydraulic mechanisms, including pumps, hoses, and valves.
15. Winches:
    • 30: 11-inch drum winch.
    • 30A: Early units with 8-inch drum winch.
    • 30B: Later units with 8-inch drum winch.
16. Bulldozers: Details blade systems, control mechanisms, and maintenance.
17. Arch or Boom: Focuses on structural and operational aspects of arches or booms.
18. Grapple:
    • 38: General grapple systems.
    • 38A: Specific configurations or variations of grapple systems.
19. PTO or Winch Drive: Explains the power take-off (PTO) and its interaction with winch systems.
20. System Testing: Procedures for testing various system functionalities.
21. Index: A reference guide to locate specific sections or topics.

This structured layout provides clear guidance on the machine’s various systems and their respective service, repair, and operational needs.