John Deere 644J Loader Service Manual (TM10246 and TM10231)

Product Overview

This comprehensive service manual for the John Deere 644J Loader encompasses repair and operational guidelines in English, formatted as a PDF. The publication covers models with serial numbers starting from 611232.

For more information, visit the John Deere Loader page.

Key Features

• Repair Service Manual: Detailed instructions across 430 pages.
• Operation and Test Service Manual: Extensive information spread over 1038 pages.

Benefits

• Gain comprehensive understanding to operate and service your loader safely.
• Identify and resolve routine issues efficiently using operational tests.
• Access vital information organized for ease of use during repairs and diagnostics.

Usage Recommendations

• Carefully read this manual to prevent personal injury or equipment damage.
• Ensure correct use of replacement parts, utilizing specific metric or inch wrenches as required.
• The manual is divided into ‘Repair’ and ‘Operation and Tests’ sections for targeted guidance.

Repair Manual Table of Contents

• Section 00u2014General Information
  • Group 0001u2014Safety Information
  • Group 0003u2014Torque Values
• Section 01u2014Wheels
  • Group 0110u2014Powered Wheels And Fasteners
• Section 02u2014Axles and Suspension Systems
  • Group 0200u2014Removal and Installation
  • Group 0225u2014Input Drive Shafts and U-Joints
  • Group 0250u2014Axle Shaft, Bearings, and Reduction Gears
  • Group 0260u2014Hydraulic System
• Section 03u2014Transmission
  • Group 0300u2014Removal and Installation
  • Group 0350u2014Gears, Shafts, Bearings, and Power Shift Clutch
  • Group 0360u2014Hydraulic System
• Section 04u2014Engine
  • Group 0400u2014Removal and Installation

Operation and Test Manual Table of Contents

• Section 9000u2014General Information
  • Group 01u2014Safety Information
• Section 9001u2014Diagnostic Trouble Codes (DTC)
  • Group 10u2014CAN Monitor Unit (CMU) Diagnostic Trouble Codes
  • Group 20u2014Engine Control Unit (ECU) Diagnostic Trouble Codes
  • Group 30u2014Transmission Control Unit (TCU) Diagnostic Trouble Codes
  • Group 40u2014Flex Load Controller (FLC) Diagnostic Trouble Codes
  • Group 50u2014Sealed Switch Module (SSM) Diagnostic Trouble Codes
• Section 9005u2014Operational Checkout Procedure
  • Group 10u2014Operational Checkout Procedure
• Section 9010u2014Engine
  • Group 05u2014Theory of Operation
  • Group 15u2014Diagnostic Information
  • Group 25u2014Tests

Technical manuals are essential for diagnosis, analysis, testing, and repair, providing practical”, “