John Deere 640D Skidders and 648D Grapple Skidders Operation and Test Manual (TM1441)

Illustrated factory Operation and Test Manual for John Deere Skidders Models 640D and Grapple Skidders Models 648D.

This manual will assist you in diagnosing, and troubleshooting for your skidder or grapple skidder.
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Covered Models:
   640D Skidder
   648D Grapple Skidder

Format: PDF, 438 pages
Language: English
Publication Date: 24 Jul 1990
Table of Contents:
   Introduction
   General Information
      Safety Information
      General Specifications
      Torque Values
      Fuels and Lubricants
   Operational Checkout Procedure
      Operational Checkout Procedure
   Engine Operation and Tests
      Theory of Operation
      Diagnostic Information
      Adjustments
      Tests
   Electrical Operation and Tests
      Theory of Operation
      Diagnostic Information
      Tests
   Power Train Operation and Tests
      Theory of Operation
      Diagnostic Information
      Adjustments
      Tests
   Hydraulic System Operation and Tests
      Theory of Operation
      Diagnostic Information
      Tests
   Miscellaneous Components (Winch) Operation And Test
      Theory of Operation
      Diagnostic Information
      Adjustments
      Tests