Target Audience:
Professional tractor technicians, agricultural workshops, and serious DIY tractor owners.
Benefits:
Cost savings on labor by performing repairs in-house, accurate and complete technical data, instant accessibility.
Digital Advantage:
Printable sections, no physical wear and tear from oil or dirt, immediate access.
Manual Coverage Scope:
Comprehensive repair, service, maintenance, diagnostics, and overhaul procedures for the David Brown 1390 tractor.
Estimated Page Count:
Hundreds of pages (specific number not provided, but described as extensive).
Type:
Workshop Service Manual / Repair Manual
Engine:
Complete engine overhaul, repair, troubleshooting, and maintenance (including fuel system, lubrication, cooling).
Transmission:
Repair, maintenance, and troubleshooting of the gearbox, clutch, and drivetrain components.
Hydraulics:
Details on the hydraulic system, pump, lift arms, control valves, and associated components for implement operation.
Electrical:
Wiring diagrams, troubleshooting electrical faults, starter, alternator, lighting, and instrumentation.
Chassis And Frame:
Information on frame integrity, steering system, front axle, and rear axle assemblies.
Braking System:
Service and repair procedures for the braking system.
Cooling System:
Radiator, fan, thermostat, and coolant circuit maintenance and repair.
Fuel System:
Fuel injection pump, injectors, filters, and tank maintenance and repair.
Lubrication System:
Oil pump, filter, and lubrication points for engine and drivetrain.
Body And Cab:
Procedures for body panels, cab components, and operator controls.
Maintenance:
Periodic maintenance charts, lubrication schedules, fluid checks, filter replacements.
Repair:
Step-by-step repair instructions for all major vehicle systems.
Overhaul:
Detailed overhaul procedures for major components such as the engine and transmission.
Troubleshooting:
Diagnostic information and troubleshooting guides for identifying and resolving common issues.
Diagnostics:
Guidance for diagnosing system malfunctions and performance issues.
Wiring Diagrams:
Inclusion of comprehensive electrical wiring diagrams for accurate diagnosis and repair.
Depth:
Suitable for professional technicians and detailed for competent DIY mechanics, covering routine to complex repairs and overhauls.
Printability:
Full Printable
Zoom Functionality:
Zoom IN/OUT enabled for detailed viewing
Delivery Method:
Instant Download
Software Requirements:
Adobe PDF Reader & WinRAR
Operating System Compatibility:
All Versions of Windows & Mac
Binding:
Digital (PDF Download)
Paper Type Analogy:
Digital replica of high-quality printed workshop manual pages.
Engine Family:
David Brown AD4/55 (Likely, based on model year and typical David Brown engine configurations of the era).
Displacement:
Approximately 3.3 Litres (Likely, standard for this tractor series).
Horsepower:
Around 58-62 PTO horsepower (typical for 1390 model).
Injection System:
Inline Fuel Injection Pump (e.g., CAV or Simms, depending on specific build).
Instrument Panel:
Basic analog gauges for engine RPM, oil pressure, coolant temperature, fuel level, and warning lights. Manual details their function.
Pto Engagement:
Independent PTO lever, with manual detailing operational procedures and safety interlocks.
Hitch Control:
Mechanical and/or hydraulic draft control for 3-point linkage, with operational guidance in manual.
Engine Oil Change:
Typically every 250 hours, but specific interval detailed in manual.
Hydraulic Fluid Change:
Typically every 1200-1500 hours, refer to manual for precise interval and fluid type.
Engine Oil Type:
API CD or CE rated, SAE 15W-30 or 10W-30 recommended (refer to manual for exact specification).
Hydraulic Fluid Type:
Typically an ISO VG 46 Hydraulic Oil or Universal Tractor Transmission Oil (UTTO) – manual will specify.
Transmission Oil Type:
UTTO (Universal Tractor Transmission Oil) or equivalent – manual will specify grade and capacity.
Common Wear Items:
Potential wear on clutch plates, brake components, hydraulic pump seals, and lift arm pins/bushings. Manual provides diagnostic steps for these.
Electrical Gremlins:
Older wiring harnesses can be prone to degradation; wiring diagrams in the manual are crucial for troubleshooting.
Cooling System Efficiency:
Radiator core blockage or thermostat failure can impact cooling; manual guides inspection and replacement.
