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Manual Coverage
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Systems Covered
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Engine:
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Detailed repair, overhaul, and adjustment procedures for International Harvester engines utilized in these models.
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Transmission:
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Service procedures for gearbox, clutch, and differential operations.
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Hydraulic System:
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Information on hydraulic pump, cylinder, valve, and related component service and troubleshooting.
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Electrical System:
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Diagnostic procedures, wiring diagrams (likely), and repair of starting, charging, lighting, and instrument systems.
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Cooling System:
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Maintenance, repair, and troubleshooting of radiator, thermostat, and fan systems.
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Fuel System:
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Service on fuel injection or carburetion systems, fuel pumps, and filters.
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Brake System:
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Repair and adjustment of braking mechanisms.
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Steering System:
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Procedures for steering linkage and mechanism service.
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Power Takeoff Pto:
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Service and adjustment of PTO engagement and operation.
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Hitch System:
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Information on the operation, adjustment, and repair of the tractor's hitch.
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Body And Chassis:
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Procedures for component removal and installation, and basic chassis service.
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Procedures Included
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Maintenance:
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Routine maintenance tasks, fluid checks, lubrication points, and filter replacement.
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Repair:
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Comprehensive step-by-step repair instructions for all major components.
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Disassembly Assembly:
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Detailed instructions for taking apart and reassembling various tractor systems and parts.
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Troubleshooting:
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Guidance for diagnosing and resolving common operational problems and malfunctions.
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Adjustments:
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Specific procedures for adjusting clutches, brakes, linkages, and other mechanisms.
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Installation:
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Instructions for installing new or replacement components.
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Technical Depth
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Depth:
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Detailed, comprehensive, step-by-step procedures with pictorial diagrams, including special tool references.
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Diagnostic Support:
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Includes diagnostic information, service data, and troubleshooting guides.
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Factory Specifications:
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Provides factory specifications, allowable limits, and tightening torques.
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Maintenance
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Service Intervals
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Engine Oil Change:
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Typically every 100-250 operating hours, depending on operating conditions (specific interval in manual).
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Hydraulic Fluid Change:
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Generally recommended every 500-1000 operating hours or annually (specific interval in manual).
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Transmission Fluid Change:
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Refer to manual for specific intervals, often around 1000 operating hours.
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Fluid Specifications
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Engine Oil:
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API CD or CE rated diesel engine oil, viscosity typically 15W-40 or 20W-50 (specific grade in manual).
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Hydraulic Transmission Fluid:
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IH Hy-Tran fluid or equivalent universal tractor transmission fluid (UTTF) is commonly specified.
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Coolant:
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Ethylene glycol based antifreeze mixed with distilled water at a 50/50 ratio.
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Known Issues
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Common Wear Items:
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Clutch wear, hydraulic pump and cylinder seals, starter motor issues, and injector pump calibration.
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Electrical System Reliability:
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Older electrical components can be prone to failure; wire insulation degradation.
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Engine Starting:
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Glow plug system issues or injector problems can affect cold starting.
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Technical Specifications
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Tightening Torque Importance:
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The manual emphasizes using specified torque values for reliability and safety.
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