John Deere 650 & 750 Tractor Technical Service Repair Manual

1. Overview of the Manual

This technical service and repair manual (TM-1242) provides comprehensive information for the John Deere 650 and 750 tractor models. It covers all serial numbers for these models, offering detailed guidance for various service and repair procedures. This manual is an essential resource for diagnosing, maintaining, and repairing your John Deere tractor.

Image 1.1: Front cover of the John Deere 650 & 750 Technical Service Repair Manual.

2. Manual Structure and Navigation

The manual is organized into distinct sections to facilitate easy navigation and access to specific repair information. Each section addresses a major system or component of the John Deere 650 and 750 tractors. The manual is presented in a ring-bound format, allowing for durability and ease of use in a workshop environment.

Image 2.1: The ring-bound format of the manual, featuring clearly labeled section dividers for quick reference.

2.1. Contents and Sections

The manual is divided into several main repair sections, each containing detailed specifications, special tools required, and step-by-step repair procedures. Key sections include:

Image 2.2: A page from the manual displaying the comprehensive list of repair sections, including General, Engine, Fuel, Electrical, Power Train, Steering/Brakes, Hydraulic, and Miscellaneous Repair.

• Section 10 - General: Covers specifications, special tools, and general information.
• Section 20 - Engine Repair: Details specifications, special tools, and procedures for engine components like valves, cylinders, pistons, crankshaft, lubrication, and cooling systems.
• Section 30 - Fuel and Repair: Includes information on air intake, diesel fuel system, and speed control linkage.
• Section 40 - Electrical Repair: Addresses specifications, special tools, general information, charging system, starting motor, instruments, accessory circuits, and lighting circuits.
• Section 50 - 650 Power Train Repair: Specific to the 650 model, covering engine clutch, linkage, sliding gear transmission, final drive, and PTO.
• Section 50 - 750 Power Train Repair: Specific to the 750 model, covering engine clutch, linkage, sliding gear transmission, final drive, and PTO.
• Section 60 - Steering/Brakes Repair: Covers specifications, special tools, steering gear repair, power steering, and brakes.
• Section 70 - Hydraulic Repair: Details specifications, special tools, hydraulic pump repair, rockshaft and implement hitches, and selective control valve repair.
• Section 80 - Miscellaneous Repair: Includes front axle assembly, wheels, and operator's station repair.

3. Operating Instructions (Not Applicable)

This manual is a technical service and repair guide for the John Deere 650 and 750 tractors. It does not contain instructions for the general operation of the tractor. For operational guidance, please refer to the tractor's operator's manual.

4. Maintenance and Repair Procedures

The manual provides detailed, step-by-step instructions for performing maintenance and repair tasks on your John Deere 650 or 750 tractor. Each procedure is accompanied by diagrams and illustrations to aid in understanding and execution.

4.1. Engine and Fuel System Service

Detailed procedures for engine overhaul, component replacement, and fuel system adjustments are included. This covers everything from basic tune-ups to complex repairs of the diesel fuel system and cooling components.

Image 4.1: An example page illustrating power train components and related service information.

4.2. Electrical System Diagnostics and Repair

The electrical section provides comprehensive diagrams and instructions for troubleshooting and repairing the charging system, starting motor, instruments, and lighting circuits. This includes detailed wiring schematics to assist in identifying and resolving electrical issues.

Image 4.2: A detailed wiring diagram from the manual, crucial for electrical system troubleshooting and repair.

4.3. Power Train and Hydraulic System Service

Instructions for servicing the power train, including transmissions, final drives, and PTOs, are provided. The hydraulic section covers pump repair, rockshafts, implement hitches, and selective control valves, with clear diagrams of hydraulic circuits.

Image 4.3: An exploded view diagram illustrating the assembly and disassembly of mechanical components, such as those found in the power train.

Image 4.4: Detailed diagrams of internal gears and shafts, likely from the power train section, aiding in precise assembly and repair.

Image 4.5: A diagram illustrating the hydraulic system, showing fluid paths and component locations for service and repair.

5. Troubleshooting Guide

This technical manual includes diagnostic procedures and troubleshooting charts to help identify the root cause of common tractor malfunctions. By following the systematic steps outlined, users can effectively pinpoint issues related to the engine, fuel system, electrical components, power train, steering, brakes, and hydraulics.

Refer to the specific repair sections for detailed diagnostic flowcharts and recommended solutions for various symptoms.

6. Manual Specifications

This section provides key details regarding the physical attributes and publication information of the John Deere 650 & 750 Technical Service Repair Manual.

7. Warranty and Support Information

This manual is a reprint provided by TechMedia. According to information from a customer review, the seller, newoldmanuals_com, offers a lifetime warranty for this manual. This warranty reportedly covers the replacement of pages that become unusable due to grease, coffee, or burning, excluding the binder itself.

For warranty claims or support inquiries related to the manual, it is recommended to contact the seller directly. The seller's information, as provided in a customer review, is:

• Seller: newoldmanuals_com
• Seller ID: A1JM09KD0DWR8P
• Contact: Refer to the seller's contact information on the platform where the manual was purchased (e.g., Amazon seller page). A phone number (260-496-8606) was mentioned in a customer review, but direct contact through the purchasing platform is generally recommended for verified support.

Please note that warranty terms and support availability are subject to the seller's policies at the time of purchase.