John Deere 644L 4WD Loader Repair Service Manual (Serial Number L705208 – Onwards)

Product Overview

This comprehensive service manual is a crucial resource for the John Deere 644L 4WD Loader users, providing detailed repair and maintenance information. Available in English and formatted as a PDF, this manual includes essential topics covering all necessary aspects of the loader’s operation and servicing.

Publication References: TM14413X19 and TM14413X19

Applicable Model Serial: Loader Serial Number PIN: 1DW644L___L705208

Key Features

• Service Manual: 396 Pages (TM14413X19)
• Operation and Test Service Manual: 1362 Pages (TM14413X19)

Benefits

• Comprehensive Table of Contents to guide through each repair and maintenance phase.
• Structured diagnostics and troubleshooting guides to identify and resolve issues effectively.
• Detailed illustrations and diagrams aid in better understanding and implementation.

Usage Recommendations

• Read the manual thoroughly to understand the operational and service aspects of the loader.
• Ensure to use the correct replacement parts, as measurements are provided in both metric and U.S. units.
• Utilize the diagnostic sections to quickly identify routine failures and necessary tests for effective repairs.

Table of Contents Overview

This manual is divided into two primary parts: Repair and Operation with Tests. It includes sections such as:

• Section 00u2014General Information: Safety, Torque Values
• Section 01u2014Wheels: Powered Wheels and Fastenings
• Section 02u2014Axles and Suspension Systems: Removal, Installation, Input Drive Shafts, U-Joints, Axle Shaft, Bearings, Reduction Gears, Hydraulic System
• …and more.

Important Information

It is essential to read this manual carefully to learn how to operate and service your loader correctly. Failing to do so could lead to personal injury or equipment damage. Measurements are provided in both metric and standard U.S. units, and specific tools and parts may be required for repairs.

This technical manual serves as a concise guide for diagnosing, testing, and repairing your machine, consisting of detailed listings of necessary tools, service parts kits, specifications, and torque values. Each section is dedicated to specific machine components, assisting you in performing efficient maintenance.

The product identification number (PIN) plate is located on the left side of the machine in front of the steps. Each machine has a 17-character PIN as depicted below:

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