Target Audience:
Owners, operators, and service technicians of David Brown 1390 tractors, from DIY enthusiasts to professional mechanics.
Value Proposition:
Inexpensive and essential resource for maintaining optimal performance and longevity of the David Brown 1390 tractor.
Manual Advantage:
Provides detailed, step-by-step instructions and diagrams, crucial for accurate repairs and diagnostics.
Information Source:
Considered the primary source for repair and service information, often referred to as a 'factory service manual'.
Engine Mechanical:
Detailed coverage of engine components, disassembly, assembly, and overhaul.
Engine Electrical:
Wiring schematics, troubleshooting, and repair of the engine's electrical systems.
Emission Control:
Information on emission control systems and their maintenance.
Fuel System:
Comprehensive coverage of the fuel system, including pumps, injectors, and filters.
Suspension System:
Details on the tractor's suspension components and maintenance procedures.
Clutch System:
In-depth information on clutch operation, adjustment, and repair.
Manual Transaxle:
Complete service and repair procedures for the manual transaxle system.
Automatic Transaxle:
While unlikely for this era of tractor, if equipped, coverage for automatic transaxle systems.
Driveshaft Axle:
Service and repair for the driveshaft and axle assemblies.
Steering System:
Detailed instructions for steering system maintenance and repair.
Brake System:
Thorough coverage of brake system components, operation, and repair.
Body Interior Exterior:
Information on body panels, trim, and interior components.
Body Electrical:
Wiring diagrams and repair for the tractor's body electrical systems (lights, etc.).
Restraint System:
Information on operator restraint systems (e.g., seat belts, if applicable).
Maintenance:
Routine maintenance procedures, lubrication, and fluid changes.
Troubleshooting:
Diagnostic procedures and common problem solutions.
Repair Overhaul:
Step-by-step instructions for component removal, disassembly, repair, and reassembly.
Diagnostics:
Detailed diagnostic trees and fault finding for various systems.
Depth of Coverage:
Comprehensive, suitable for both novice and experienced mechanics, covering from basic adjustments to complete rebuilds.
Illustrations:
Detailed illustrations, diagrams, and photos to guide repair procedures.
Wiring Schematics:
Included for electrical system diagnostics and repair.
Specifications:
Detailed technical specifications, torque values, clearances, and tolerances.
Part Numbers:
N/A - not specified in this manual
OEM Cross-Reference:
N/A - not specified in this manual
Compatibility:
All versions of Windows and Mac
Requirements:
Adobe PDF Reader, WinZip
Searchability:
Likely searchable text within the PDF, enhancing efficiency.
Print Capability:
Fully printable pages.
Print Recommendation:
Print specific pages as needed for workshop use.
Binding Type:
Digital (no physical binding)
Paper Type:
N/A - digital format only
Engine Family:
Typically Perkins or David Brown manufactured engines for this series.
Horsepower Range:
Approximately 70-80 PTO horsepower (exact figures vary by specific engine variant).
Torque Characteristics:
Designed for robust torque delivery crucial for agricultural applications.
Injection System:
Typically direct injection, often with rotary or inline fuel injection pumps.
Cooling Type:
Liquid-cooled
Transmission Type:
Manual Transmission (likely with multi-speed options like 8-speed, 12-speed, or synchromesh variants).
Optional Transmission:
Possibly a creeper gear or specialized transmission options depending on market and configuration.
Gear Selection:
Likely a combination of main gear lever and range selector for multiple forward and reverse gears.
Power Takeoff PTO:
Standard PTO operation and maintenance covered.
Ratings / Crash Test Information
Crash Test Rating:
N/A - not applicable for agricultural tractor
Active Safety Features:
Includes brakes and steering systems, covered in the manual.
Passive Safety Features:
Restraint system (seat belts if applicable) is covered.
Rollover Protection (ROPS):
May be covered if applicable; not explicitly detailed.
Regular Service:
Routine maintenance procedures are covered in the manual.
Engine Oil:
Refer to manual for specific viscosity and capacity.
Transmission Fluid:
Refer to manual for specific type and capacity.
Coolant:
Refer to manual for specific type and capacity.
Known Issues / Common Wear Items
Common Issues:
Typical wear items include filters, belts, fuel injectors, and clutch components.
Preventive Maintenance:
Adhere to service intervals and lubrication schedules in the manual.
