Target User:
Farm owners, mechanics, agricultural equipment repair shops, DIY enthusiasts
Ease Of Use:
Clear language, excellent layout and sequencing, lots of pictures, diagrams, illustrations, and charts.
Accessibility:
Instant download, compatible with Win/Mac, searchable, bookmarked, and indexed for efficient navigation.
Benefit:
Empowers users to perform tune-ups, regular maintenance, and complex repairs, reducing downtime and service costs.
Primary Coverage:
Maintenance, Service, Repair
Secondary Coverage:
Troubleshooting, Diagnostics, Overhaul
Estimated Page Count:
Variable (typical for comprehensive workshop manuals, often 300-800+ pages)
Manual Type:
Workshop Service Repair Manual
Format:
PDF (Portable Document Format)
Engine:
Complete engine service, overhaul, diagnostics, cooling system, fuel system (Diesel & Petrol Carburetor)
Transmission:
Gearbox overhaul, lubrication, troubleshooting, internal components
Drivetrain:
Clutch (Single & Dual Disc), Differential, Final Drive Assembly, Rear Axle
Steering And Suspension:
Front Axle, Steering Gear, Power Steering System
Hydraulics:
Hydraulic Lift System repair, maintenance, and troubleshooting
Electrical:
Wiring diagrams, ignition system, starting system, charging system, lighting
Ancillary Systems:
Belt Pulley, Power Take-Off (PTO), Governor (Non-Diesel)
Maintenance:
Scheduled maintenance, lubrication, fluid changes, filter replacement
Repair:
Component overhaul, replacement of worn parts, reassembly
Diagnostics:
Troubleshooting guides, fault finding procedures, diagnostic charts
Depth:
Comprehensive: Covers detailed disassembly, inspection, repair, and reassembly of all major systems and components. Includes specifications for tolerances and adjustments.
Engine Type:
Diesel (primarily), Petrol variants also exist
Diesel Fuel System:
Detailed coverage of injection pump, injectors, fuel filters, and bleeding procedures.
Petrol Carburetor:
Specific section for maintenance and adjustment of petrol engine carburetors.
Cooling System:
Radiator, water pump, thermostat, hoses, and coolant specifications.
Governor Type:
Non-Diesel Governor system coverage
Transmission Type:
Manual gearbox with multiple speeds
Clutch Types:
Detailed procedures for both Single Disc and Dual Disc clutch systems, including adjustment and replacement.
Differential:
Service and repair of the differential unit, including lubrication and potential issues.
Final Drive:
Coverage of the final drive assembly for both rear axles.
Braking System:
Detailed procedures for brake system maintenance and repair, including lining wear, adjustments, and hydraulic components.
Operator Safety:
While not a safety manual, it covers components essential for safe operation, like steering and brakes.
Engine Oil Change:
Typically every 250-500 operating hours, depending on oil quality and operating conditions (refer to manual for exact interval).
Transmission Oil Change:
Typically every 1000-1500 operating hours (refer to manual for exact interval).
Engine Oil:
API CD or CE rated multi-viscosity oil, SAE 15W-30 or 10W-30 (refer to manual for precise viscosity and API rating).
Hydraulic Fluid:
Consult manual for specific hydraulic fluid type and viscosity. Often a Type 'A' or UTF (Universal Tractor Fluid) equivalent.
Transmission Gear Oil:
Refer to manual for specific gear oil type, viscosity, and API rating.
Common Wear Items:
Clutch wear, brake components, hydraulic seals, potential for wear in gearbox and final drive components due to age and usage.
Electrical Issues:
Wiring degradation over time, starter motor, and generator/alternator issues are not uncommon in older tractors.
Engine Performance:
Manual covers fuel system diagnostics, injector issues, and compression testing for performance problems.
Parent Company:
David Brown was acquired by Tenneco and later became part of Case IH (CNH Industrial).
Production Period:
The 770 and 780 models were part of David Brown's product line during the 1960s and 1970s, following the earlier 700 series.
Manufacturing Origin:
Typically manufactured in the UK (Meltham, Yorkshire).
