David Brown / Case 770, 870, 970, 1070, 1090, 1170, 1175 Tractor Service Manual
Repair manual for all 770, 870, 970, 1070, 1090, 1170, 1175 tractor models, covering engine, transmission, and hydraulic systems with detailed procedures and diagnostics. Part No. JD-5318
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Models Covered & Key Technical Specifications
David Brown / Case 770, 870, 970, 1070, 1090, 1170, 1175 Tractor Manual - Diagnostics & Repair Procedures
Service manual detailing engine, transmission, and hydraulic systems for all models. Part No. JD-5318 | Series Tractor Module.
- Engine Specifications: 4-6 cylinders, 4-5" bore, 5-5" stroke, providing 251-451 cu. in. displacement.
- Fuel System Data: Features Zenith carburetors on gasoline models and Robert Bosch PES pumps on diesel models.
- Hydraulic System Details: Utilizes a single hydrostatic system pump for power steering, brakes, and PTO clutch control.
- Electrical System Coverage: Includes detailed information on the typical 12-volt system with quick-disconnect plugs and color-coded wiring.
- Torque Settings: Provides specific torque values for critical components like clutch housing and engine mounting bolts.
- Cooling System Procedures: Details radiator, thermostat, and water pump removal, installation, and overhaul.
Professional Workshop Service Manual & Technical Specifications
Reference-Grade Diagnostic Installation Manual: Tractor Official David Brown Tractor Manual 770, 870, 970, 1070, 1090, 1170, 1175 - Diagnostics & Repair Procedures Reference-Archive
| Service-Level: tractor // Technical-Benchmarks: diesel engine / hydraulic system Logic // Service-Level: diagnostics & repair procedures. | Performance-Element | Value | Logic |
|---|---|---|---|
| Engine Displacement | 251-451 cu. in. | Provides power data for various models. | |
| Bore & Stroke | 4-5" bore, 5-5" stroke | Defines critical engine dimensions for assembly. | |
| Hydraulic System Pressure | 180-200 psi | Ensures proper operation of all hydraulic components. | |
| Clutch Torque Specification | 35-40 ft.-lbs. | Guarantees secure installation of clutch housing components. | |
| Brake System Pressure | 230-320 psi | Essential for safe and effective braking performance. | |
| Electrical System Voltage | 12-volt | Standard power supply for tractor components. |
Service procedures are grouped by system, offering a comprehensive overview of the tractor's mechanics. Key specifications cover engine details, fuel and hydraulic systems, and electrical component data. Strategic content organization ensures clarity for all repair tasks. The manual documents torque specifications for clutch housing bolts to ensure proper gasket seal integrity.
Chapters:
- Engine and Components
- Clutch Housing
- Differential and Final Drive
- Hydraulic System
- Brakes
- Power Steering System
The manual details the operation and maintenance of various systems, including the steering actuator, power shift clutch, and Draft-O-Matic control mechanism, providing a complete reference for service technicians.
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