🏷️ Basic Information Identification Make: CASE I.H. (David Brown) Model: 1390 Model Designation: David Brown 1390 Vehicle Type: Agricultural Tractor 👋 Introduction Market Position Purpose: To provide detailed service and repair information for the CASE I.H. 1390 (David Brown) tractor, enabling efficient maintenance and troubleshooting. Key Features Illustrations: Dozens of detailed illustrations with exploded views for clarity. Index: Detailed index for quick navigation. Data Format: Condensed service data information. Usability: Step-by-step guidance for complex repairs. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Engine Variants: Covers both Diesel and LP-Gas engine options for the 1390 model. Transmission Options: Details for the standard manual transmission. Page Count Estimated Page Count: Refer to actual manual for precise count (typically 500+ pages for full service manuals) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Assembly, cylinders, timing, valves, lubrication, cooling, fuel system Drivetrain: Clutch, transmission, final drive, differential, axles Chassis And Steering: Front system, steering gear, brakes Auxiliary Systems: Cooling system, electrical system, lift system, Power Take-Off (PTO), Governor (Diesel, LP-Gas), LP-Gas System Engine Assembly: Complete engine disassembly, inspection, repair, and reassembly procedures. Engine Timing: Precise instructions for setting engine timing for diesel and LP-Gas variants. Lift System: Coverage of the tractor's hydraulic lift system, including components and troubleshooting. Power Take Off: Service and repair procedures for the PTO system. Electrical System: Wiring diagrams, starter, alternator, battery, lighting, and ignition system service. Governor System: Service and calibration of diesel and LP-Gas governors for engine speed control. Procedures Included Maintenance: Routine maintenance, scheduled service, fluid checks, lubrication Troubleshooting: Identification of common problems, diagnostic procedures Repair: Step-by-step repair instructions for all major systems Rebuild: Detailed procedures for engine, transmission, and component rebuilds Adjustments: Valve adjustment, clutch adjustment, brake adjustment, governor settings Troubleshooting Specific Issues: Guidance for resolving common operational issues such as poor starting, loss of power, or abnormal noises. Steering System Repair: Detailed steps for servicing the steering gear and associated components. Brake System Service: Instructions for brake adjustment, relining, and hydraulic brake system maintenance. Technical Depth Depth: Comprehensive, covering diagnostics, disassembly, repair, reassembly, and specifications Diagnostics: Detailed diagnostic procedures for engine, transmission, hydraulic, and electrical systems. Specifications Data: Includes torque recommendations for critical fasteners, clearances, fluid capacities, and electrical specifications. Engine Rebuild: Comprehensive instructions for complete engine overhaul, including piston, ring, bearing, and seal replacement. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Print Quality Print Quality Recommendation: High-quality printing recommended for clarity of illustrations and diagrams Binding Type Binding Type: Digital (Printable) Paper Type Paper Type Recommendation: Durable paper suitable for workshop environments Software Recommendation Software: Adobe Acrobat Reader (recommended for optimal display) ⚙️ Engine Specifications Primary Engine Engine Type: Diesel (likely British Leyland/Perkins based, typical for David Brown tractors of this era) Engine Displacement Estimate: Likely in the range of 3.0L - 4.0L (specifics depend on exact engine variant) Engine Cylinder Count: Likely 3 or 4 cylinders Fuel System Fuel System Type: Direct Injection Diesel (typical) Lp Gas System Availability: Yes, the manual covers an LP-Gas governor, indicating an LP-Gas engine option. Performance Horsepower Estimate: Likely in the 70-90 PTO horsepower range (specific figures vary by engine variant and PTO type, consult manual) Torque Estimate: Likely in the 200-250 lb-ft range (specific figures vary, consult manual) 🔧 Transmission Standard Transmission Type: Manual Synchromesh (common for this era, often with multiple speed ranges) Features Gear Selection: Likely a combination of main gearbox and range selector for multiple forward speeds. Fluid Specifications Transmission Fluid Type: Manual transmission oil (specific viscosity and API service classification to be detailed in the manual, e.g., GL-4) 📐 Dimensions Weights Approximate Operating Weight: Around 2000-2500 kg (this is an estimate, manual will provide precise figures) Tare Weight: Approx. 2200 kg (manual will provide exact figure) Exterior Wheelbase Estimate: Approximately 80-85 inches (specifics depend on configuration) 💡 Technology Features Infotainment Infotainment System: N/A (Basic agricultural tractor of its era) Driver Assistance Driver Assistance Features: N/A (Basic agricultural tractor of its era) Connectivity Connectivity Features: N/A (Basic agricultural tractor of its era) 🔧 Maintenance Service Intervals Engine Oil Change: Typically 250-500 hours, depending on operating conditions (specific interval in manual) Air Filter Service: As needed, or at regular intervals (e.g., 250 hours) depending on dust conditions. Fuel Filter Replacement: Typically annually or every 500 hours (specific interval in manual) Fluid Specifications Engine Oil Type: API CD or CE rated diesel engine oil, viscosity typically 15W-40 or 10W-30 depending on climate (specific grade in manual) Coolant Type: Ethylene glycol based antifreeze, typically a 50/50 mix with water (specific type and concentration in manual) Hydraulic Fluid Type: Tractor Hydraulic Fluid (THF) or universal tractor transmission oil (UTTO) conforming to specific standards (e.g., API GL-4). Manual will specify. Known Issues Common Wear Points: Clutch wear, brake system...