Purpose:
Empower owners and mechanics to perform their own repairs and maintenance, saving significant costs.
Ease Of Use:
Features very easy to follow step-by-step instructions and clear pictures for all service and repair jobs.
Value Proposition:
Cost savings on repairs and maintenance, comprehensive coverage for all models and systems.
Engine Systems:
Engine overhaul, fuel system, lubrication system, cooling system, starting and charging systems, exhaust system.
Drivetrain Systems:
Clutch, transmission (gearbox), rear axle, differential, PTO (Power Take-Off) system.
Chassis Systems:
Steering system, braking system, hydraulic system (including draft control, position control, lift hydraulics), front axle, rear hydraulics.
Electrical Systems:
Wiring diagrams, lighting, instrumentation, starter motor, generator/alternator, battery, ignition system (if applicable).
Maintenance:
Scheduled maintenance, lubrication, filter changes, fluid checks and replacements, tune-up procedures.
Repair:
Engine rebuilds, transmission overhauls, hydraulic component repair, brake service, steering adjustments, electrical troubleshooting.
Troubleshooting:
Diagnostic charts, common problems and solutions, fault finding for all major systems.
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and specifications.
Print Quality:
High quality, printable pages.
Software Requirement:
Adobe Reader (free download).
Accessibility:
Downloadable to PC, MAC, tablets, and smartphones.
Engine Type:
Diesel (specific engine families likely include ADO.183 and ADO.199 based on model history)
Displacement Range:
Likely in the 2.5L to 3.5L range, depending on specific engine variant (e.g., 3-cylinder and 4-cylinder options common).
Horsepower Range:
Typically between 40-60 HP for these models.
Injection System:
Indirect injection, often utilizing CAV or Simms fuel injection pumps.
Cooling Method:
Water-cooled
Dashboard Features:
Basic instrumentation including oil pressure gauge, water temperature gauge, ammeter, and tachometer/hourmeter.
Hydraulic Control:
Advanced hydraulic system with draft control and position control for implement operation, offering precise implement management.
Engine Oil Change:
Typically every 250-500 operating hours, or annually.
Air Filter Service:
Check and clean regularly, replace as needed based on operating conditions.
Engine Oil:
API CD or CE rated diesel engine oil, SAE 15W-30 or 10W-30 depending on climate.
Transmission Hydraulic Fluid:
Universal Tractor Transmission Oil (UTTO) or equivalent, meeting specifications for hydraulics, transmission, and wet brakes.
Common Wear Points:
Hydraulic pump wear, clutch wear, PTO clutch engagement issues, front axle kingpin wear.
Typical Repairs:
Seal replacements, brake adjustments, engine cooling system flushes, and general wear-and-tear component replacements.
Manufacturer:
David Brown Tractors Ltd. (later became part of Tenneco, then Case IH).
Production Period:
The 770 and 870 models were primarily produced in the late 1960s and throughout the 1970s.
Manufacturing Location:
Meltham, Huddersfield, United Kingdom.
