John Deere 3020 Tractor Technical Manual (TM1005)

John Deere 3020 Tractor Technical Manual (TM1005 01OCT73)

This factory technical manual delivers complete service procedures for the John Deere 3020 Tractor, including detailed troubleshooting workflows, component diagnostics, precision adjustments, and full disassembly and reassembly instructions for every major system.

Model Covers:

John Deere 3020 Tractor (Serial 123,000 and up)

File Format: PDF

Size: 27.10 MB

No. of pages: 358

Language: English

Delivery Method: Instant Download - Access your file immediately after purchase.

📑 Main Sections Included:

General Service and Tractor Preparation

• Technical specifications, predelivery and inspection procedures
• Engine and tractor tune-up guidelines with final test steps
• Lubrication charts, storage recommendations, and service oils
• Full tractor separation procedures for drivetrain access

Engine Repair and Internal Components

• Cylinder head, valves, pistons, liners, crankshaft, and flywheel service
• Engine balancer, lubrication circuit, and cooling system repair
• Governor and speed control linkage diagnostics and adjustment
• Hardware torque charts and special tool references

Fuel Systems (Diesel, Gasoline, LP-Gas)

• Injection pumps, fuel filters, nozzles, and carburetor calibration
• Bleeding fuel system, speed advance settings, and troubleshooting
• LP-gas tank, converter, strainer, and carburetor service procedures

Electrical System and Starting Circuits

• Charging circuit tests, alternator repair, regulator replacement
• Delco-Remy and John Deere starting circuit diagnostics and repair
• Ignition system testing, distributor timing, and resistor functions
• Lighting, accessory circuits, fuses, and wiring diagrams

Power Train and PTO

• Syncro-Range and Power Shift transmission repair and adjustments
• Engine disconnect clutch, differential, and final drive service
• Independent PTO repair procedures and belt pulley system
• Power front wheel drive assembly and testing

Hydraulic, Steering, and Brake Systems

• Hydraulic pump, reservoir, relief valves, and oil cooler service
• Steering valve and steering motor disassembly and adjustment
• Power brakes, accumulator testing, and bleeding procedures
• Rockshaft, 3-point hitch, load control arm, and selective control valve repair

Miscellaneous and Front Axle Components

• Conventional and power front axle repair and installation
• Specifications, torque charts, and required tools for every procedure

This John Deere 3020 Tractor Technical Manual provides factory-authorized guidance for accurate repairs, precision adjustments, and complete system diagnostics.