Target Audience:
Owners of David Brown 885 tractors seeking to perform their own maintenance and repairs, thereby saving on labor costs.
Value Proposition:
Empowers users with detailed, step-by-step instructions, enabling them to confidently tackle repairs and maintenance, reducing reliance on expensive external services.
Ease Of Use:
Designed with clear, easy-to-follow instructions, complemented by images and diagrams for simplified understanding.
Information Access:
Instant download provides immediate access to comprehensive repair information.
Cost Savings:
Significant savings by performing maintenance and repairs in-house.
Engine:
Detailed disassembly, assembly, overhaul, troubleshooting, and specifications for the David Brown diesel engine.
Fuel System:
Fuel injection pump, injectors, fuel lines, filters, and troubleshooting.
Cooling System:
Radiator, thermostat, water pump, hoses, and system maintenance.
Lubrication System:
Oil pump, filter, oil passages, and lubrication requirements.
Transmission:
Gearbox disassembly, assembly, shifting mechanisms, and lubrication.
Clutch:
Clutch operation, adjustment, and replacement procedures.
Rear Axle And Differential:
Rear axle housing, differential unit, drive shafts, and related components.
Power Take Off Pto:
PTO engagement, operation, maintenance, and repair.
Hydraulic System:
Hydraulic pump, control valve, lift arms, cylinders, and fluid specifications.
Braking System:
Brake mechanisms (drum/disc), linkages, adjustments, and fluid types.
Steering System:
Steering box, linkages, and troubleshooting.
Electrical System:
Wiring diagrams, starter, alternator, battery, lighting, and instrument panel.
Chassis And Frame:
Frame construction, front axle, and related structural components.
Bodywork And Fittings:
Fenders, seat, controls, and general external components.
Routine Maintenance:
Oil changes, filter replacements, lubrication points, fluid checks, and general upkeep.
Troubleshooting:
Diagnostic procedures for common and uncommon issues across all systems.
Repair Procedures:
Step-by-step instructions for disassembly, repair, and reassembly of all major components.
Component Overhaul:
Detailed instructions for rebuilding engines, transmissions, hydraulic systems, etc.
Adjustments:
Specific procedures for adjusting brakes, clutch, engine timing, hydraulic controls, etc.
Wiring Diagrams:
Comprehensive electrical schematics for troubleshooting and repair.
Depth:
Professional quality, in-depth coverage suitable for DIY mechanics and professional technicians.
Diagnostics:
Includes diagnostic flowcharts and symptom-based troubleshooting guides.
Specifications:
Detailed technical specifications, torque values, clearances, and tolerances for all components.
Format:
PDF (Portable Document Format)
Printability:
Full printable pages for use in workshop environments.
Resolution:
Professional quality, ensuring clarity of text, diagrams, and images.
Binding:
N/A (Digital Download - Print as needed)
Paper Recommendation:
N/A (Digital Download - Print on durable paper for workshop use)
Software Requirements:
Adobe PDF Reader (or compatible viewer).
Compatibility:
Compatible with all versions of Windows and Mac operating systems.
Engine Type:
David Brown AD4/55 (or similar variants based on specific 885 production run).
Engine Description:
Naturally aspirated, direct-injection, four-cylinder diesel engine.
Displacement:
Approximately 3.1 - 3.5 liters (exact figure depends on specific engine variant).
Bore X Stroke:
Refer to manual for precise dimensions, typically around 91.5mm x 117mm for AD4/55.
Rated Power Output Hp:
Approximately 60-70 HP (net) at rated engine speed.
Peak Torque:
Refer to manual for exact torque figures and RPM.
Injection Pump:
Bosch or Simms inline injection pump (specific model to be confirmed in manual).
Valve Clearance Intake Cold:
0.20 mm (0.008 in) - Refer to manual for definitive specification.
Valve Clearance Exhaust Cold:
0.30 mm (0.012 in) - Refer to manual for definitive specification.
Transmission Type:
Manual transmission with a range gearbox.
Gear Selection:
Typically 8 forward gears and 2 reverse gears (4 forward/1 reverse in main box, 2 speed splitter/range selection).
Gearbox Lubricant:
Refer to manual for specific GL classification (e.g., GL-4) and viscosity grade (e.g., 80W/90 or 85W/90).
Transmission Oil Capacity:
Refer to manual for exact capacity, typically around 20-25 liters.
Engine Oil Change Interval:
Typically every 100-150 operating hours or annually. Refer to manual for exact specification.
Engine Oil Filter Replacement:
Replace at each engine oil change.
Air Filter Cleaning Interval:
Clean every 50 operating hours, replace as needed. Refer to manual for specific type (oil bath or dry).
Fuel Filter Replacement:
Replace annually or every 250 operating hours, or when experiencing fuel delivery issues.
Transmission Oil Change Interval:
Typically every 500-750 operating hours or annually. Refer to manual.
Engine Oil Type:
API CD or CE rated diesel engine oil, SAE 15W/30 or 10W/30 depending on ambient temperature. Refer to manual for precise specification.
Coolant Type:
Ethylene glycol based antifreeze with corrosion inhibitors. Typically a 50/50 mix with water.
Hydraulic Fluid Type:
Hydraulic Transmission Fluid (HTF) or UTF (Universal Tractor Fluid) meeting appropriate specifications (e.g., John Deere J20C, Ford M2C134-D). Refer to manual for exact specification.
Common Wear Items:
Clutch wear, PTO spline wear, hydraulic pump output degradation, injector pump seal leaks, and general wear on suspension/linkages.
Electrical Concerns:
Older wiring harnesses can degrade, leading to intermittent electrical faults. Check connections and grounds.
