Target Audience:
        
        
            Owners of Case IH 1390 tractors, independent service professionals, and Case IH authorized service departments.
        
     
    
    
        
            Manual Advantage:
        
        
            Provides vehicle-specific, manufacturer-written information, mirroring dealer service department resources, unlike generic repair guides.
        
     
    
    
        
            Content Emphasis:
        
        
            Step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications for comprehensive repair and troubleshooting.
        
     
    
    
        
            Cost Savings:
        
        
            Enables significant savings on routine maintenance and repairs, potentially paying for itself on initial service tasks like oil changes.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Complete service, repair, and troubleshooting for the Case IH 1390 tractor.
        
     
    
    
        
            Estimated Page Count:
        
        
            Not specified in product info, but comprehensive coverage implies several hundred pages.
        
     
    
    
        
            Type:
        
        
            Workshop Service Repair Manual
        
     
    
    
    
    
        
            Digital Format:
        
        
            PDF Download
        
     
    
        
            Device Compatibility:
        
        
            Viewable on PCs, Macs, phones, and ebook readers like Kindle.
        
     
 
    
    
    
        
            Engine:
        
        
            Engine overhaul, fuel system, lubrication system, cooling system, starting system, ignition system (if applicable for diesel glow plugs), exhaust system.
        
     
    
        
            Transmission:
        
        
            Gearbox, clutch, PTO (Power Take-Off), hydraulic systems related to transmission control.
        
     
    
        
            Hydraulics:
        
        
            Hydraulic pump, cylinders, valves, control systems, filters, fluid specifications, troubleshooting.
        
     
    
        
            Electrical:
        
        
            Wiring diagrams, charging system, lighting, starter motor, battery maintenance, component testing.
        
     
    
        
            Chassis And Steering:
        
        
            Front axle, rear axle, steering system (mechanical and hydraulic assist if equipped), brakes, wheel bearings.
        
     
    
        
            Operator Station:
        
        
            Dashboard, controls, seating, fenders, body panels.
        
     
    
        
            Power Steering:
        
        
            If equipped with power steering, the manual will cover its operation, maintenance, and repair, including pump, cylinder, and fluid.
        
     
    
        
            Brake System:
        
        
            Comprehensive coverage of brake system maintenance, adjustment, and repair for both independent and integrated braking.
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, lubrication points, fluid checks and changes, filter replacement, tune-up procedures.
        
     
    
        
            Repair:
        
        
            Step-by-step repair instructions for all major components and systems, including disassembly, inspection, repair, and reassembly.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic charts, symptom-based troubleshooting guides, identification of common problems and their solutions.
        
     
    
        
            Specifications:
        
        
            Detailed technical specifications, torque values, clearances, fluid capacities, engine timings, and adjustment procedures.
        
     
    
        
            Diagnostics:
        
        
            Procedures for diagnosing electrical, hydraulic, and mechanical issues using specialized tools and test equipment.
        
     
    
        
            Diagrams Illustrations:
        
        
            Includes detailed exploded view diagrams and step-by-step illustrations to clarify repair processes and component identification.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, covering basic to advanced repair and diagnostic procedures, suitable for professional mechanics and skilled DIY users.
        
     
    
        
            Rebuild Procedures:
        
        
            Detailed procedures for complete engine, transmission, and hydraulic system rebuilds, including part clearances and assembly sequences.
        
     
 
    
    
    
        
            Engine Model:
        
        
            Likely a variant of the Case/Cummins/David Brown engine line common in this era. Specific model number (e.g., 3.152, 4.236) would be detailed in the manual.
        
     
    
    
        
            Horsepower:
        
        
            Typically in the 40-50 HP range for the 1390, but specific variants exist. Manual will confirm exact ratings.
        
     
    
        
            Torque:
        
        
            Detailed torque figures for critical engine components will be provided in the manual.
        
     
    
    
    
        
            Injection System:
        
        
            Likely rotary or inline injection pump system. Manual will detail specific pump and injector overhaul.
        
     
    
    
        
            Coolant Capacity:
        
        
            Capacity and type of coolant will be specified. Typical for this era might be a 50/50 ethylene glycol/water mix.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Likely a 8-speed or 12-speed manual gearbox (e.g., constant mesh or sliding gear). Specific configuration will be detailed.
        
     
    
    
        
            Optional Features:
        
        
            Some models may have had creeper gears or shuttle shift options. Manual will cover all configurations.
        
     
    
    
        
            Pto Options:
        
        
            Standard 540 RPM PTO, potentially 1000 RPM PTO. Manual will detail engagement and maintenance.
        
     
    
        
            Transmission Fluid:
        
        
            Specifications for transmission/hydraulic fluid (e.g., UTF - Universal Tractor Transmission fluid) and change intervals will be provided.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 250-500 operating hours, depending on operating conditions. Manual will specify exact interval and oil type.
        
     
    
        
            Hydraulic Fluid Change:
        
        
            Recommended annually or every 500-1000 hours. Manual will provide precise guidelines.
        
     
    
    
        
            Engine Oil Grade:
        
        
            Likely a SAE 15W-40 API CG-4 or CH-4 rated diesel engine oil. Manual will confirm specific viscosity and API service category.
        
     
    
        
            Hydraulic Fluid Type:
        
        
            Universal Tractor Transmission Fluid (UTF) or specific Case IH hydraulic fluid (e.g., TCH Fluid). Manual will specify exact part numbers and specifications.
        
     
    
        
            Coolant Type:
        
        
            Ethylene Glycol based antifreeze/coolant, typically a 50/50 mix with distilled water for freeze protection and corrosion inhibition.
        
     
    
    
        
            Common Wear Points:
        
        
            Potential wear on PTO splines, hydraulic pump seals, clutch components, and front axle kingpins. Manual will guide on inspection and repair of these.
        
     
    
        
            Electrical Reliability:
        
        
            Older wiring harnesses can degrade. Manual's wiring diagrams are crucial for diagnosing electrical gremlins.