Target Audience:
Owners, mechanics, and technicians maintaining the David Brown 990 Tractor
Advantage:
Comprehensive service documentation extends the operational life of this robust and reliable tractor.
Step-by-Step Procedures:
Detailed instructions for repair, adjustment, maintenance, removal, installation, disassembly, and assembly.
Diagrams and Data:
Exploded diagrams, service data, and factory specifications for accurate repairs.
Ease of Use:
Prepared with simple explanations for relatively new personnel.
Instant Download:
Immediate access upon payment, no shipping delays.
Content Coverage:
Comprehensive repair, adjustment, maintenance, removal, installation, disassembly, and assembly of all vehicle components and systems.
Page Count:
N/A - Not specified, but described as comprehensive with pictorial diagrams.
Manual Type:
Technical Service Manual / Parts Service Manual / Repair Manual
Delivery Method:
Instant Download
Engine:
Comprehensive procedures for engine systems and components.
Transmission:
Transmission service and repair, including gearbox and clutches.
Drivetrain:
Driveshafts, axles, differential, and final drive.
Hydraulic System:
Hydraulic pump, control valves, lift arms, cylinder, hoses, for general and Selectamatic systems.
Steering:
Steering linkage, gearbox, and power steering if fitted.
Braking System:
Brakes, master cylinder, lines, and adjustment.
Electrical System:
Wiring, lights, starter, alternator, and battery.
Cooling System:
Radiator, water pump, thermostat, and hoses.
Fuel System:
Fuel tank, lines, filters, injection pump, and injectors.
Chassis:
Frame, mounting points, and related components.
Bodywork:
Body panels, fenders, hood, and grille.
Operator Controls:
Levers, pedals, steering wheel, and controls.
Adjustment Operations:
Instructions for clutch, brakes, steering linkage, hydraulic pressure, and engine settings.
Removal Installation Procedures:
Step-by-step guides for removing and installing major components.
Disassembly Assembly Procedures:
Detailed breakdown and reassembly instructions with exploded diagrams.
Tightening Torques:
Critical torque specifications for fasteners.
Troubleshooting Guides:
Diagnosis, testing, and troubleshooting for systems and components.
Service Data:
Specifications, wear limits, and allowable limits.
Level of Detail:
Comprehensive, suitable for professional mechanics and DIY enthusiasts.
Pictorial Diagrams:
Bumper-to-bumper diagrams, exploded views, and illustrations.
Service Tool References:
Reference to special service tool numbers and illustrations of usage.
Factory Specifications:
Original design parameters for accurate repairs.
Part Numbers:
Detailed parts manual with exploded diagrams and factory part numbers.
Genuine Parts Emphasis:
Emphasizes use of genuine parts.
Ratings / Crash Test Information
Crash Test Data:
N/A - Agricultural tractor, not applicable for crash testing.
Brakes:
Braking system covered in manual.
Steering:
Manual steering, power steering may be optional (not specified).
Operator Protection:
Not specified for this era.
Regular Service:
The manual provides service schedules and procedures (specific intervals not listed in description).
Oils and Fluids:
N/A - Not specified in manual description, but covered in manual.
Known Issues / Common Wear Items
Common Wear:
Typical wear items include brakes, clutch plates, hydraulic seals, and engine components, which are covered.
