Engine:
Engine overhaul, fuel system, lubrication system, cooling system, intake and exhaust systems
Transmission:
Gearbox, clutch, power take-off (PTO) operation and servicing
Hydraulics:
Hydraulic pump, control valve, lift arms, auxiliary hydraulic circuits, troubleshooting
Electrical:
Starting system, charging system, lighting, instrumentation, wiring diagrams
Steering:
Power steering system, mechanical steering components
Braking:
Brake system operation, adjustment, and repair (likely mechanical or hydraulic)
Front Axle:
Front axle assembly, steering knuckles, kingpins
Rear Axle And Differential:
Rear axle assembly, differential, final drives
Chassis And Bodywork:
Frame, fenders, operator station, hitches
Power Take Off Drive:
Servicing and repair of the PTO engagement and drive mechanisms.
Three Point Hitch:
Adjustment, maintenance, and repair of the tractor's three-point linkage system.
Maintenance:
Routine lubrication, filter changes, fluid level checks, tightening of fasteners
Troubleshooting:
Diagnostic guides, symptom-based fault finding for all major systems
Repair:
Step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly
Overhaul:
Detailed procedures for complete engine, transmission, and hydraulic system overhauls
Electrical Diagrams:
Detailed wiring diagrams for all electrical circuits, aiding in fault diagnosis and repair.
Engine Timing:
Procedures for setting injection pump timing and valve timing.
Hydraulic System Troubleshooting:
Specific diagnostic charts for hydraulic system faults such as slow operation or loss of power.
Depth:
Comprehensive, suitable for professional technicians and experienced owner-operators
Torque Specifications:
Includes essential torque specifications for critical fasteners and engine components.
Clearances And Tolerances:
Provides specifications for engine bearing clearances, valve gaps, and other critical tolerances for rebuilding.
Manufacturer:
David Brown (likely Perkins or own manufactured)
Configuration:
Likely a 4-cylinder diesel engine
Displacement:
Typically around 3.9 to 4.2 Liters for this model range (exact specification requires manual confirmation)
Power Output:
Estimated 70-80 PTO horsepower (exact specification requires manual confirmation)
Injection Type:
Likely indirect injection (IDI) with a rotary or inline injection pump (e.g., Simms, CAV)
Engine Oil Change:
Typically 250 hours or annually (verify with manual)
Hydraulic Fluid Change:
Typically annually or 1000 hours (verify with manual)
Engine Oil:
API CD/CE or equivalent, SAE 15W-40 or 20W-50 depending on climate (verify with manual)
Hydraulic Fluid:
John Deere Hy-Gard, Ford M2C134-D, or equivalent UTF (Universal Tractor Transmission Oil) - verify with manual
Transmission Oil:
API GL-4, SAE 90 or 80W-90 gear oil (verify with manual)
Coolant:
Ethylene glycol based anti-freeze with corrosion inhibitors (50/50 mix with distilled water)
Common Wear Items:
Hydraulic pump wear, clutch wear, PTO clutch engagement issues, front axle kingpin wear
Electrical System:
Older wiring can degrade; manual's diagrams are crucial for troubleshooting.
Fuel System:
Diesel injection pump and injector maintenance, filter clogging.
Manufacturer:
David Brown Tractors Ltd., a renowned British agricultural machinery manufacturer.
Series Context:
Part of the later David Brown tractor ranges, known for robustness and reliability.
Production Years:
Mid-to-late 1970s through early 1980s (exact range requires verification).
Manufacturing Location:
Meltham, Yorkshire, England
