John Deere JD510 Loader Backhoe 1979 Technical Manual
This technical manual provides service, diagnostic, and repair information for the John Deere JD510 Loader Backhoe, including procedures for lubrication, engine tune-up, and hydraulic systems. Part number TM-1039. Z28504
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John Deere Models Covered & Key Technical Specifications
Models: John Deere JD510 Loader Backhoe
Build Years: 1979
Technical Data:
- Engine displacement: 270 cu. in. (4425 cm3)
- Engine configuration: 4-cylinder, 4-stroke cycle diesel
- Gross power output: 83 HP (61.9 kW) at 2500 RPM
- Maximum torque: 202 lb-ft (274 Nm) at 1300 RPM
- Transmission: Full Power Shift, 8 forward speeds, 4 reverse speeds
- Hydraulic system: Closed-center, 60 gpm (227 L/min) pump capacity at 2500 RPM
- Max hydraulic pressure: 2350 psi (162 bar)
- Max digging depth: 17 ft. 3 in. (5.26 m)
- Operating weight: 20,560 lb. (9 326 kg)
John Deere Manual Features & Content Preview
John Deere JD510 Technical Manual Preview
- Covers 1979 John Deere JD510 Loader Backhoe, including diagnostic and service procedures for the engine, hydraulic system, and power train
- Official John Deere publication P/N TM-1039, October 1979 printing
- Contains 85 system diagrams and component exploded views including the engine, clutch housing, final drives, and fuel system
- Delivered as a direct download the moment payment clears
- Indexed PDF search covers every chapter and appendix
- Stored against your account so you can retrieve it after a hard-drive loss
- This 1979 technical reference provides the necessary service and maintenance parameters for the JD510 loader backhoe, documenting system-wide specifications for engine tuning, hydraulic circuit testing, and power train assembly
Manual Technical Scope
The 1979 John Deere JD510 technical manual provides comprehensive service data for the maintenance and repair of the JD510 backhoe loader. The documentation focuses on critical system diagnostics, covering engine performance testing, transmission shift adjustments, and hydraulic circuit functionality. It outlines procedures for component separation, including the removal of the engine, clutch housing, and final drives, along with inspection guidelines for main bearings, cylinder liners, and fuel system components. The contents also feature standardized maintenance schedules and torque value charts required for routine servicing and heavy-duty repairs.
Specification Highlights
Technical data is provided for engine tuning and hydraulic system pressure testing. Engine compression readings are documented at 400 psi at 275 RPM, with a maximum 25 psi variance between cylinders. The hydraulic system is specified for a standby pressure of 2300–2400 psi. Intake valve clearance is set at 0.018 inch, while exhaust valve clearance is specified at 0.028 inch. Cylinder head cap screw torque is listed at 115 lb-ft in a specific sequence. For what an OEM service publication covers, refer to the indexing within the 400-page document for full pinout and assembly parameters.
An official 400-page John Deere OEM technical manual covering the 1979 JD510 loader backhoe, documenting engine, hydraulic, electrical, and power train specifications for the full-service maintenance of this machinery.
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