Target User:
Do-it-yourselfer and experienced mechanic
Value Proposition:
Inexpensive way to keep the vehicle working properly, number one source for repair and service information
Content Highlights:
Detailed illustrations, diagrams, wiring schematics, specifications, step-by-step instructions, notes, cautions, and warnings
Primary Coverage:
Complete service and repair information for the David Brown 1490 Tractor
Estimated Page Count:
Likely several hundred pages; specific count not provided, but described as 'complete'
Type:
Workshop Service Repair Manual / Factory Service Manual
Format:
PDF (Portable Document Format)
Engine Mechanical:
Detailed coverage of engine components, disassembly, assembly, and overhaul
Engine Electrical:
Comprehensive information on ignition system, starting system, charging system, and relevant wiring
Emission Control:
Information related to emission control systems as fitted to the 1490 model
Fuel System:
Detailed procedures for fuel injection system, fuel pump, filters, and tank service
Suspension System:
Coverage of front axle and steering geometry adjustments and repairs
Clutch System:
Service procedures for clutch operation, adjustment, and replacement
Transmission Manual:
Detailed repair and overhaul instructions for the manual transaxle
Transmission Automatic:
Information pertaining to any automatic transmission variants, if applicable
Driveshaft And Axle:
Service information for the driveshaft, differential, and final drives
Steering System:
Complete diagnostics and repair procedures for the steering mechanism
Brake System:
Detailed instructions for hydraulic and mechanical brake system maintenance and repair
Body Interior Exterior:
Information on body panels, fenders, cab components, and interior trim
Body Electrical:
Wiring diagrams and troubleshooting for lighting, instrumentation, and auxiliary electrical components
Restraint System:
Information on operator restraint systems, such as seat belts, if applicable
Maintenance:
Scheduled maintenance, fluid changes, lubrication, filter replacement
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and uncommon faults
Repair:
Step-by-step instructions for component disassembly, inspection, repair, and reassembly
Overhaul:
Complete engine, transmission, and major component overhaul procedures
Electrical Diagnostics:
Specific guidance for diagnosing and repairing electrical system issues
Depth:
Comprehensive, suitable for both DIY operators and experienced mechanics, covering detailed illustrations, diagrams, wiring schematics, and specifications
Engine Type:
Diesel (specific engine model not detailed, but typically Perkins or David Brown engines were used in this era)
Horsepower:
Refer to manual for specific output of the 1490 model's engine (typically in the 70-90 HP range for this class of tractor)
Torque:
Refer to manual for specific torque figures
Injection Type:
Likely indirect injection (IDI) or direct injection (DI) depending on engine variant, common for diesel engines of the period.
Transmission Type:
Manual transmission, likely a multi-speed gearbox with options like a hi-lo splitter or power take-off (PTO) synchronized engagement.
Transmission Options:
Manual transaxle; potential for synchronized or unsynchronized gearboxes. Information on automatic transmission is listed but may not be a common feature for this specific model.
Pto:
Likely includes a multi-speed Power Take-Off (PTO) system, with specifications and service details covered in the manual.
Overall Length:
Refer to manual for specific dimensions; typical for a tractor of this size and era.
Wheelbase:
Refer to manual for specific dimensions.
Operating Weight:
Refer to manual for specific weight, but generally in the 6,000-8,000 lb range depending on configuration.
Towing Capacity:
Refer to manual for specific towing specifications and ratings.
Operator Safety:
Manual covers safety precautions, notes, cautions, and warnings for all procedures, crucial for tractor operation.
Braking System:
Disc brakes, hydraulic actuation. Manual details service and adjustment.
Operator Restraint:
Likely includes seat belts and seat mounting details within the 'Restraint' section.
Engine Oil Change:
Refer to manual for specific intervals (typically 250-500 hours for diesel engines of this era).
Transmission Fluid Change:
Refer to manual for specific intervals and procedures.
Engine Oil Type:
Refer to manual for specific viscosity and API classification (e.g., SAE 15W-40, API CD or higher).
Hydraulic Fluid Type:
Refer to manual for specific hydraulic fluid type (e.g., UTTO, or specific tractor hydraulic fluid).
Coolant Type:
Refer to manual for specific coolant mixture and type (e.g., ethylene glycol based).
Common Faults:
Manual likely addresses common wear items such as clutch wear, hydraulic pump performance degradation, seal leaks, and starter motor issues inherent to tractors of this age.
Fuel Filter Part Numbers:
Refer to manual for specific part numbers; key to maintaining fuel system integrity.
Oil Filter Part Numbers:
Refer to manual for specific part numbers.
Manufacturer Legacy:
David Brown Tractors was a British manufacturer known for robust and reliable agricultural machinery, later becoming part of Case IH.
1490 Placement:
The 1490 was part of David Brown's later '80 Series' or similar, representing a step up in power and features from earlier models.
Production Period:
The 1490 model was typically produced in the late 1970s and into the 1980s.
