Manual Type:
Complete Official Full Factory Service Repair Workshop Manual
Distribution Method:
PDF Download
All Styles Covered:
Yes, the manual explicitly states 'ALL STYLES COVERED'.
Usability:
Written for both novice 'do-it-yourselfers' and experienced mechanics, ensuring broad appeal and utility.
Page Count Description:
Hundreds of pages
Page Count Flexibility:
Allows users to print only the required pages, offering flexibility and reducing paper usage.
Accessibility:
Accessible on a wide range of devices, including PCs, laptops, smartphones, and tablets, offering considerable convenience.
Systems:
• General Information
• Specifications
• Engine
• Cooling System
• Fuel System
• Power Train
• Front Axle
• Clutch
• Differential Lock
• Electrical System
• Brakes
• Fenders, Fuel Tank & Platform
• Final Drive
• Front System
• Front-Wheel Drive
• Hydraulic System
• Main Drive Bevel Gears And Differential
• Park Brake
• Power Steering System
• Power Take-Off (PTO)
• Rear Axle
• Steering Gear
• Transmission
Steering Gear Details:
Comprehensive coverage of the steering system, including component identification, adjustment, and overhaul procedures.
Power Take Off Pto:
Detailed instructions on the operation, maintenance, and repair of the Power Take-Off (PTO) system, including shaft and drive components.
Front Wheel Drive System:
Details on the optional front-wheel-drive (if equipped), including its engagement mechanism, drivetrain, and maintenance. The manual explicitly lists 'Front-Wheel Drive'.
Fenders Fuel Tank Platform:
Specific coverage for the bodywork components including fenders, fuel tank mounting, and the operator platform, essential for structural integrity and operator comfort.
Differential Lock Operation:
Explains the function, engagement, and maintenance of the differential lock system for improved traction.
Transmission And Rear Axle:
In-depth coverage of the transmission, final drive, and rear axle assembly, including gears, bearings, and lubrication.
Procedures:
• Step-by-step instructions for complete disassembly of the machine
• Repair procedures
• Service procedures
• Troubleshooting
• Standard maintenance
Engine Rebuild Procedure:
Detailed instructions for engine disassembly, inspection, component replacement, and reassembly, including ring and bearing specifications.
Hydraulic System Troubleshooting:
Diagnostic procedures and solutions for common hydraulic system issues such as loss of power, leaks, or slow operation.
Brake System Repair:
Complete guide to brake system maintenance, including drum removal, shoe replacement, adjustment, and bleeding procedures.
Clutch Replacement Procedure:
Detailed guide for clutch assembly inspection, adjustment, and replacement, a common maintenance task for tractors.
Cooling System Maintenance:
Guidance on radiator, thermostat, water pump, and coolant system checks, flushing, and repair to prevent overheating.
Depth:
Comprehensive, guiding the reader through each service and repair procedure with photos and illustrations. Suitable for do-it-yourselfers and experienced mechanics.
Torque Specifications:
Includes crucial torque specifications for critical fasteners and components throughout the tractor.
Wiring Diagrams:
Detailed electrical system diagrams to aid in troubleshooting and repair of the tractor's electrical components.
Schematics And Diagrams:
Richly illustrated with numerous diagrams, exploded views, and schematics for all major components and systems.
Troubleshooting Charts:
Likely includes detailed troubleshooting charts for diagnosing and resolving common operational problems across all systems.
Compatibility:
All Versions of Windows, Mac, Smartphones, Tablets (via web browser or Adobe PDF Reader)
Requirements:
Adobe PDF Reader, Winzip (free online)
Printability:
Yes, all pages are printable
Binding:
N/A (Digital PDF Download)
Paper Type:
N/A (Digital PDF Download)
Bore Stroke Mm:
Typically around 91.5 mm x 115 mm (3.60 in x 4.53 in) for engines in this series; exact figures are in the manual.
Compression Ratio:
Typically in the range of 17.0:1 to 18.5:1 (refer to manual for exact figure).
Engine Power Output Hp:
The 995 typically featured a slightly higher power output than its predecessor, often around 60-70 PTO horsepower. Consult the manual for precise figures.
Engine Displacement Cc:
Approx. 3.6 liters (220.4 cubic inches) - Note: Specific displacement for 995 model varies slightly based on engine configuration. This is a common reference for the 900 series.
Injection System:
Bosch inline injection pump is commonly used for this era of David Brown tractors.
Transmission Type:
David Brown 8-speed constant mesh gearbox with Laycock Overdrive (often a common feature, though variations exist). Specific transmission details are covered in the manual.
Transmission Features:
Includes details on clutch operation, gear selection, overdrive engagement, and associated maintenance.
Optional Transmission Features:
The inclusion of the Laycock Overdrive was a common option or standard on higher-spec models, significantly altering the available gear ratios and operational flexibility.
Tare Weight Kg:
Approx. 2,250 kg (4,960 lbs) - Note: This is a general estimate for the 990/995 series; actual weight can vary with options.
Wheelbase Mm:
Approx. 2,160 mm (85 inches) - Note: Specific wheelbase can vary.
Drawbar Horsepower Hp:
Rated in the range of 50-60 HP, depending on engine tuning and specific model variant. The manual will provide precise HP ratings.
Overall Length Mm:
Approx. 3,500 mm (138 inches) - Note: Varies with hitch and tyre configuration.
Overall Width Mm:
Approx. 1,800 mm (71 inches) - Note: Varies with tyre configuration.
Braking System:
Drum brakes on rear wheels, often with independent parking brake. Details on operation, adjustment, and servicing are included.
Park Brake System:
Separate parking brake mechanism, often acting on the transmission or rear axle. The manual details its operation and servicing.
Operator Station:
Platform with operator controls. The manual covers aspects related to platform structure, fenders, and fuel tank mounting, which contribute to the operator's environment.
Engine Oil Change:
Typically every 250 operating hours (refer to manual for precise interval and oil type).
Air Filter Service:
As required, depending on operating conditions. Manual will provide cleaning/replacement intervals.
Hydraulic Oil Filter Replacement:
Typically recommended at 500 or 1000 operating hours, or annually. Manual will detail this critical interval.
Engine Oil Type:
API CD or MIL-L-2104B specification diesel engine oil, viscosity grade SAE 10W-30 or SAE 20W-40 depending on ambient temperature (manual will specify).
Transmission Hydraulic Fluid Type:
David Brown 'Tractor Oil' (or equivalent UTF - Universal Tractor Transmission fluid meeting specifications like API GL-4 for the gearbox and hydraulic system, and hydraulic fluid specifications for the hydraulics. Manual will be definitive.)
Coolant Type:
Ethylene glycol based antifreeze mixed with water. Manual will specify correct ratio and type for climate conditions.
Hydraulic Fluid Capacity Liters:
Approx. 30-40 liters (7-9 gallons) for the main hydraulic reservoir (refer to manual for exact capacity).
Grease Points:
The manual will detail lubrication points, including types of grease and recommended greasing intervals for various chassis and component bearings.
Common Wear Items:
• Clutch wear
• Brake linings
• Hydraulic pump seals
• Steering components
• Fuel injection pump and injectors
Engine Issues:
Potential for injector pump timing drift, glow plug reliability issues in cold weather.
Transmission Issues:
Wear in synchronizers or engagement sleeves in the gearbox if maintenance is neglected or if the overdrive unit is heavily used without proper servicing.
Electrical System Common Failures:
Corrosion in electrical connections, starter motor issues, and alternator output problems can occur over time.
Fuel System Issues:
Clogged fuel filters, worn injector pump elements, and air in the fuel lines are common issues addressed in the manual.
Brand Origin:
British agricultural machinery manufacturer with a long history dating back to the 1930s.
Series Introduction:
The 990/995 series represented a significant advancement in David Brown's tractor line, offering increased power and improved features compared to earlier models. The 995 was an evolution of the 990, typically featuring a slightly larger engine or other enhancements.
Predecessor Model:
Successor to models like the David Brown 850 and 770/880 series, building upon their mechanical foundations.
Production Period:
The 995 model was produced from the mid-1960s (circa 1965-1970).