Target Audience:
Professional technicians and experienced DIY mechanics with a basic understanding of mechanical and electrical concepts.
Value Proposition:
Provides factory-level repair information, often unavailable in easily accessible retail formats, enabling users to perform comprehensive maintenance and repairs, saving on dealership service costs.
Delivery Method:
Instant Download
Content Style:
Step-by-step procedures, critical specifications, illustrations/pictures.
Engine:
Detailed coverage of the engine, including disassembly, assembly, troubleshooting, and specifications for components like the cylinder head, block, pistons, crankshaft, camshaft, valve train, lubrication system, cooling system, and fuel system.
Transmission:
Comprehensive information on the gearbox, clutch, differential, final drives, and power take-off (PTO) systems, including repair and adjustment procedures.
Hydraulics:
In-depth coverage of the hydraulic system, including the hydraulic pump, control valves, cylinders, lift arms, remote hydraulic outlets, and troubleshooting for common hydraulic issues.
Electrical System:
Detailed diagrams, troubleshooting guides, and component testing procedures for the starting system, charging system, lighting, instrumentation, and any ancillary electrical components.
Chassis And Steering:
Information on the front axle, rear axle, brakes, steering system, and suspension components, including repair and adjustment.
Fuel And Exhaust:
Details on the fuel tank, fuel lines, filters, exhaust system, and emissions control systems (if applicable).
Maintenance:
Routine maintenance tasks such as oil changes, filter replacements, lubrication points, belt adjustments, and fluid checks, with recommended intervals.
Disassembly And Assembly:
Step-by-step instructions for the removal and installation of major components and sub-assemblies.
Troubleshooting:
Systematic diagnostic procedures to identify and resolve common problems, often presented in a flowchart format.
Repair And Rebuild:
Detailed instructions for the repair and overhaul of all major mechanical and hydraulic systems.
Specifications And Data:
Essential technical data, including torque values, clearances, fluid capacities, and performance specifications.
Depth Of Coverage:
Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds. Suitable for both DIY mechanics with adequate knowledge and professional technicians.
Engine Manufacturer:
David Brown (often utilizing Perkins or similar engines, specific details within manual).
Horsepower:
Refer to manual for exact specifications, but typically in the 70-80 HP range for this model series.
Torque:
Refer to manual for exact specifications.
Injection System:
Indirect injection (likely, but specifics to be confirmed in manual).
Transmission Type:
Manual transmission with multiple gear ranges and potentially a synchronized gearbox. Specific configurations (e.g., number of forward/reverse gears) detailed in the manual.
Optional Features:
Possible options like creeper gears or enhanced PTO configurations, check manual for specific options.
Clutch Type:
Dry, single-stage or dual-stage clutch.
Instrumentation:
Basic dashboard instrumentation including tachometer, engine temperature gauge, oil pressure warning light, fuel gauge, and indicator lights for various functions. Detailed descriptions and troubleshooting in the manual.
Traction Control:
N/A (Tractors of this era did not feature electronic driver assistance systems like modern vehicles).
Engine Oil Change:
Typically every 250-500 operating hours, depending on operating conditions. Refer to manual for specific interval and oil type.
Hydraulic Oil Change:
Typically every 500-1000 operating hours. Manual will specify fluid type and filter replacement intervals.
Engine Oil Type:
Refer to manual for exact API classification (e.g., API CD or CE), SAE viscosity grade (e.g., 15W-40).
Hydraulic Oil Type:
Refer to manual for specific hydraulic fluid specification (e.g., ISO VG 46 or equivalent).
Transmission Oil Type:
Refer to manual for specific transmission and differential fluid specification (e.g., SAE 90 or 80W-90 GL-4).
Coolant Type:
Ethylene Glycol based anti-freeze/anti-boil mixture. Manual will specify type and mixture ratio.
Common Wear Points:
Potential wear in the hydraulic pump, PTO clutch, and front axle kingpins. Also, fuel injection system maintenance and cooling system efficiency.
Electrical Gremlins:
Older electrical systems can be prone to corrosion on connections, starter motor issues, and alternator output degradation. Manual will aid in diagnosis.
Manufacturer Legacy:
David Brown was a well-respected British tractor manufacturer known for robust and reliable machines, particularly in the agricultural sector, prior to its acquisition by Case IH.
1390 Positioning:
The 1390 was part of David Brown's later range, offering increased power and comfort over earlier models, designed for a variety of agricultural tasks.
Manufacturing Era:
Late 1970s to mid-1980s.
