The David Brown 1490 is a robust agricultural tractor produced primarily in the late 1970s and early 1980s. Manufactured by David Brown Tractors Ltd., a company historically recognized for its durable and reliable machinery, the 1490 is part of the 1400 series, representing an advancement in tractor design with improved performance and comfort. This model, typically manufactured in Meltham, England, is powered by a diesel engine and features a transmission often configured with 12 speeds. Its engineering quality and reliability have made it a valued machine for farm owners, mechanics, and DIY enthusiasts. This Workshop Service Manual (WSM) provides comprehensive coverage for the David Brown 1490, offering in-depth, professional-quality information for all repair and maintenance needs. The manual details procedures for engine overhaul, fuel, cooling, lubrication, and exhaust systems, as well as transmission, drivetrain, steering, braking, and electrical systems. It includes troubleshooting guides, routine maintenance schedules, technical specifications, and detailed diagrams. This resource is designed to empower owners and technicians to effectively maintain, diagnose, and repair the tractor, ensuring its longevity and optimal performance. 🏷️ Basic Information Identification Make: David Brown Model: 1490 Product Name: David Brown 1490 WSM Service Manual Repair 👋 Introduction Market Position Target User: Farm owners, mechanics, and DIY enthusiasts looking to maintain and repair their David Brown 1490 tractor. Competitive Analysis Value Proposition: Enables cost savings by empowering users to perform their own repairs, fostering self-sufficiency. Key Features Ease Of Use: Designed with easy-to-follow step-by-step instructions to simplify repair tasks. Comprehensiveness: Covers all services and repairs, including routine maintenance, for complete vehicle upkeep. Accessibility: Instant digital download for immediate access to critical repair information. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Manual (WSM) Language: English Format: PDF Download Printability: Full Printable Delivery Method: Instant Download Software Requirements: Adobe PDF Reader System Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Overhaul: Comprehensive engine disassembly, inspection, repair, and reassembly procedures. Fuel System: Fuel injection/carburetion system diagnosis and repair, fuel pump, filter, and line servicing. Cooling System: Radiator, water pump, thermostat, hoses, and fan servicing and repair. Lubrication System: Oil pump, oil filter, oil pan, and lubrication passages servicing. Exhaust System: Exhaust manifold, pipes, muffler, and catalytic converter repair and replacement. Transmission Service: Manual and/or automatic transmission disassembly, repair, and reassembly, including clutch service. Drivetrain: Drive axle, differential, propeller shaft, and PTO servicing and repair. Steering System: Steering box, linkages, power steering pump, and hydraulic system repair. Braking System: Brake hydraulics, calipers, drums, shoes, master cylinder, and power assist servicing. Electrical System: Starting system, charging system, ignition system, lighting, and accessory electrical circuits. Wiring Diagrams: Detailed electrical wiring schematics for all vehicle systems. Hydraulic System: Tractor hydraulic system diagnosis and repair, including pump, valves, and cylinders. Front Axle And Steering: Front axle components, kingpins, and steering linkage repair. Rear Axle And Final Drive: Rear axle housing, differential, and final drive assembly servicing. Power Take Off Pto: PTO engagement, gearbox, and drive shaft servicing. Hitch And Draft Control: Three-point hitch mechanism, draft control system diagnosis and repair. Body And Cab: Body panel repair, cab interior components, doors, windows, and sealing. Procedures Included Routine Maintenance: Scheduled maintenance tasks, fluid level checks, lubrication points, and filter replacements. Troubleshooting Guides: Diagnostic flowcharts and symptom-based troubleshooting for common issues. Repair Procedures: Detailed step-by-step instructions for component removal, repair, and installation. Disassembly And Assembly: Complete guide for taking apart and putting back together various vehicle sub-assemblies. Technical Specifications: Torque values, clearances, tolerances, and measurement specifications. Adjustment Procedures: Calibration and adjustment of various systems like brakes, clutch, and engine timing. Overhaul Instructions: Detailed instructions for complete rebuilding of major components. Technical Depth Depth Of Coverage: In-depth, professional quality, covering all areas of repair and maintenance. Visual Aids: Includes step-by-step instructions with pictures and diagrams. Diagnostic Information: Essential for diagnosing and resolving malfunctions. 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Searchability: Likely text-searchable if professionally created PDF. Print Quality Print Capability: Pages are printable for workshop use. Binding Type Digital Format: N/A (Digital Download) Paper Type Digital Format: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Diesel Engine (Specific model/configuration details would be within the manual) Performance Horsepower: Typically around 60-70 HP (for the 1490 model, precise figures within manual) Torque: Specific torque figures would be detailed in the manual. Fuel System Fuel Type: Diesel Fuel Injection System: Likely a Lucas or similar mechanical injection system (details in manual). Maintenance Oil Capacity: Manual will specify exact oil capacity and recommended viscosity grade (e.g., SAE 30 or 15W-40). Coolant Capacity: Manual will specify coolant capacity and type (e.g., ethylene glycol based). Air Filter Part Number: Manual will provide the correct part number for the air filter element. Fuel Filter Part Number: Manual will provide the correct part number for the fuel filter element. 🔧...