Target Audience:
Professional agricultural mechanics, farm owners, and maintenance personnel responsible for Case David Brown tractors.
Manual Authenticity:
Explicitly states these are genuine factory manuals, distinguishing them from aftermarket or re-labeled publications, ensuring accuracy and completeness.
Dual Manual Offering:
Includes both a comprehensive Service Manual and a dedicated Shop Manual, providing an all-encompassing resource for repair and maintenance.
Improved Content:
Indicates potential enhancements or clarifications over original factory releases, suggesting greater utility.
Engine Service:
Detailed disassembly, assembly, inspection, and repair of the diesel engine, including cylinder head, pistons, crankshaft, camshaft, timing, lubrication system, cooling system, and fuel injection system.
Transmission Service:
Overhaul procedures for the gearbox, clutch, differential, final drives, and PTO (Power Take-Off) systems.
Hydraulic System Service:
Repair and troubleshooting of the hydraulic pump, control valves, cylinders, rams, and associated plumbing for implement control and power steering.
Electrical System Service:
Wiring diagrams, component testing, troubleshooting for starting, charging, lighting, and accessory systems.
Braking System Service:
Inspection, repair, and adjustment of mechanical and hydraulic braking components.
Steering System Service:
Service and repair of the power steering system, including pump, steering cylinder, and linkages.
Chassis And Frame Service:
Inspection and repair of the tractor frame, front axle, rear axle, and mounting points.
Cooling System Service:
Radiator, thermostat, water pump, and coolant flow diagnostics and repair.
Fuel System Service:
Fuel tank, filters, lines, and injection pump maintenance and repair.
Exhaust System Service:
Inspection and replacement of exhaust manifold, piping, and muffler.
Operator Station Service:
Repair and maintenance of controls, seat, dashboard, and cab components.
Routine Maintenance:
Scheduled lubrication, filter changes, fluid level checks, and general inspections.
Diagnostic Procedures:
Systematic troubleshooting guides for identifying and resolving common and uncommon faults.
Disassembly And Assembly:
Step-by-step instructions for component removal, disassembly, cleaning, inspection, repair, and reassembly.
Torque Specifications:
Precise torque values for critical fasteners across all systems.
Special Tool Requirements:
Identification of specific tools and jigs necessary for certain repair procedures.
Alignment And Adjustment:
Procedures for aligning components and adjusting settings for optimal performance.
Depth Of Coverage:
Factory-level technical detail, suitable for experienced mechanics and technicians, covering complete overhauls and advanced diagnostics.
Engine Model:
David Brown 4-265 (typically, as fitted to 1494)
Engine Type:
Naturally Aspirated, Four-Cylinder, Direct Injection Diesel
Bore X Stroke:
Approx. 100 mm x 115 mm
Displacement:
Approx. 3.9 Liters (238 cubic inches)
Rated Horsepower:
Approx. 73-78 PTO HP (subject to specific configuration and model year)
Peak Torque:
Specifications vary; manual will detail precise figures.
Fuel Injection System:
Bosch or similar inline injection pump with mechanical governors.
Oil Type:
Refer to manual for specific API/ACEA grades and viscosity (e.g., SAE 15W-40 Diesel Engine Oil recommended).
Cooling System Type:
Pressurized Liquid Cooling System
Engine Oil Change:
Typically every 250-500 operating hours, as specified in the manual. Manual will provide exact intervals based on oil quality and duty cycle.
Fuel Filter Replacement:
Every 250-500 hours or as needed, detailed in the manual.
Hydraulic Filter Replacement:
Refer to manual for specific intervals, typically annually or every 500-750 hours.
Engine Oil Capacity:
Approximately 10-12 US Quarts (9.5-11.4 Liters). Manual will confirm exact capacity and oil type.
Transmission Hydraulic Fluid Capacity:
Approximately 15-20 US Gallons (57-76 Liters). Manual is critical for correct fluid specification (e.g., Case IH Hy-Tran UTTO or equivalent).
Coolant Type:
Ethylene Glycol based antifreeze. Manual will specify mix ratio and type.
Common Wear Points:
Wear in the transmission synchronizers, PTO clutch engagement, and hydraulic cylinder seals are common over time. Manual provides repair procedures.
Diesel Injection Pump Reliability:
While generally robust, periodic calibration and seal kits may be required for the injection pump. Manual details testing and overhaul.
Electrical Connector Corrosion:
Typical for tractors of this era; manual includes wiring diagrams to aid in troubleshooting corroded connections.
