Market Position:
The Case David Brown 1390 was a robust and versatile tractor designed for agricultural and industrial applications, known for its reliability and power in its class.
Competitive Analysis:
Competed with other medium-horsepower tractors from manufacturers like Ford, Massey Ferguson, John Deere, and Fiat during its production era.
Key Features:
Known for its powerful engine, sturdy construction, efficient hydraulics, and user-friendly operation, making it a popular choice for a wide range of tasks.
Target Audience:
Mechanics, DIY enthusiasts, farm operators, and anyone needing to maintain or repair a Case David Brown 1390 tractor.
Systems Covered:
Engine, Transmission, Hydraulics, Electrical System, Steering, Brakes, PTO, Axles, Chassis, Bodywork, Cooling System, Fuel System, Lubrication System, Operator Controls, and more.
Engine Overhaul:
Detailed procedures for engine disassembly, inspection, repair, and reassembly, including piston, ring, bearing, crankshaft, camshaft, and cylinder head service.
Transmission Repair:
Instructions for servicing gears, shafts, bearings, synchronizers (if applicable), and shift mechanisms within the transmission and differential.
Hydraulic System Service:
Covering the hydraulic pump, control valves, cylinders, filter system, and hydraulic fluid reservoir, including troubleshooting and repair of leaks or performance issues.
Electrical System Diagnostics:
Wiring diagrams, component testing, troubleshooting of starter, alternator, lighting, and instrumentation systems.
Steering And Brake Systems:
Procedures for overhaul and adjustment of the steering mechanism (mechanical or hydrostatic) and the brake system, including hydraulic and mechanical components.
Power Take Off Pto Operation:
Service and adjustment procedures for the PTO engagement system, clutch, and drive shaft.
Axle And Drivetrain:
Repair and maintenance for front and rear axles, differential, and final drives, including lubrication and bearing service.
Cooling System Service:
Radiator, water pump, thermostat, hoses, and fan maintenance and repair.
Fuel Tank And Lines:
Service and cleaning of the fuel tank, filters, and lines.
Exhaust System:
Inspection and potential replacement of muffler and exhaust piping.
Procedures Included:
Removal and Installation, Disassembly and Assembly, Repair and Overhaul, Adjustments, Troubleshooting, Diagnostic Procedures, Maintenance, Servicing, Component Specifications, Tightening Torques, Wear Limits.
Component Testing And Calibration:
Methods for testing fuel injectors, hydraulic pumps, and other critical components to ensure they meet specifications.
Troubleshooting Guides:
Systematic approach to diagnosing problems, with flowcharts and symptom-based troubleshooting for various systems.
Torquing Specifications:
Detailed list of all critical fastener tightening torques for engine, transmission, hydraulics, and chassis components.
Wear Limit Data:
Specific measurements and allowable wear limits for critical engine and drivetrain components to guide repair decisions.
Technical Depth:
Comprehensive, step-by-step procedures with detailed explanations, pictorial diagrams, exploded views, and photographs for both basic maintenance and in-depth repair interventions.
Diagnostic Tools Reference:
Reference to special service tools required for specific diagnostic and repair procedures, including illustrations of tool usage.
Pictorial Diagrams:
Abundant use of detailed illustrations, exploded diagrams, and photographs to visually guide the user through complex procedures.
Precautionary Notes:
Inclusion of DANGER, CAUTION, and NOTE remarks to highlight safety hazards and important service considerations.
Service Intervals Overview:
The manual would detail periodic maintenance schedules for engine oil changes, filter replacements, hydraulic fluid changes, transmission checks, and lubrication points. Specific intervals are detailed within the manual.
Engine Oil Specification:
Likely requiring API CD or CE rated multi-viscosity diesel engine oil (e.g., 15W-40). Specific viscosity may depend on ambient temperature. The manual will provide exact specifications.
Hydraulic Fluid Specification:
Typically UTF (Universal Tractor Transmission Fluid) or a specific tractor hydraulic fluid meeting Case/David Brown specifications. The manual will specify the required fluid type and viscosity.
Transmission Fluid Specification:
Typically the same as hydraulic fluid (UTF or equivalent) if it's an integrated transmission/hydraulic system. Manual will specify.
Coolant Specification:
Standard ethylene glycol-based antifreeze mixed with water. Manual will specify the correct ratio and type.
Grease Recommendations:
General purpose lithium-based grease for lubrication points. Manual may specify specific grades for different components.
Common Issues Addressed:
The manual would likely cover common issues such as hydraulic system leaks, PTO engagement problems, engine starting difficulties, and brake system wear. Troubleshooting sections are dedicated to resolving these.
