Target User:
Tractor owners, mechanics, service technicians, and DIY enthusiasts.
Cost Savings:
Enables users to perform their own repairs, saving significant money on labor costs.
Usability:
Easy-to-follow step-by-step instructions with clear illustrations.
Accessibility:
Instant download and accessible on multiple devices.
Competitors:
This manual is comparable to factory service manuals for tractors from John Deere, Massey Ferguson, Ford, and Allis-Chalmers of the same era.
Overall Coverage:
Complete Workshop Service and Repair Procedures, A-Z
Model Variant Coverage:
All Models, Engines, Trim, and Transmission Types Covered
Specific Procedures:
Includes procedures for clutch replacement, brake caliper/drum servicing, hydraulic pump testing, and PTO clutch adjustment.
Wiring Diagrams:
Comprehensive electrical wiring diagrams for various configurations.
Estimated Pages:
Hundreds (specific number not provided, but described as 'complete' and covering 'every' procedure)
Type:
Workshop Service Repair Manual
Manual Purpose:
Designed for comprehensive repair and maintenance, enabling users to perform tasks ranging from routine servicing to major overhauls.
Engine:
Complete engine overhaul, diagnostics, repair, and component breakdown (e.g., fuel system, cooling system, lubrication system, ignition/starting system).
Transmission:
Repair and servicing of all transmission types, including hydrostatic systems (Hydro 268) and related components.
Hydraulics:
Hydraulic system diagnostics, repair, maintenance of pumps, valves, cylinders, and related components.
Electrical:
Wiring diagrams, troubleshooting, repair of electrical components, charging system, starting system, lighting, and accessories.
Drivetrain:
Front and rear axle repair, differential, PTO (Power Take-Off) systems, and drive shafts.
Steering:
Power steering system repair, troubleshooting, and maintenance.
Brakes:
Brake system diagnosis, repair, and maintenance for all brake types.
Chassis And Body:
Frame, suspension, drawbar, ballast, and minor bodywork repairs.
Air Conditioning:
If factory-equipped, AC system service and repair would be included.
Steering Column:
Repair and adjustment of steering column and linkage.
Maintenance:
Scheduled maintenance, fluid changes, lubrication, filter replacements, general inspections.
Troubleshooting:
Detailed diagnostic procedures and fault finding for all systems.
Repair:
Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation.
Overhaul:
Complete overhaul procedures for engines, transmissions, and hydraulic systems.
Adjustments:
Calibration and adjustment procedures for engine timing, PTO engagement, hydraulic pressures, etc.
Wheel Alignment:
Procedures for checking and adjusting front-end alignment.
Diagnostic Capability:
Advanced diagnostics, including specific fault codes (if applicable to the era) and systematic troubleshooting trees.
Rebuild Capability:
Full rebuild procedures for major components like engines and transmissions.
Technical Illustrations:
Includes pictures/illustrations for easy-to-follow step-by-step instructions.
Torque Specifications:
Detailed torque specifications for all critical fasteners across all systems.
Tolerance Specifications:
Precision tolerances for engine and transmission component assembly.
Diagnostic Charts:
Troubleshooting charts and flow diagrams for systematic fault diagnosis.
Engine Family:
International Harvester DT-360 (likely for 258/278, smaller variants for 248).
Displacement:
Approx. 360 cubic inches (5.9L) for DT-360; smaller displacements for other models (specifics to be found within the manual).
Horsepower Range:
Varies by model and engine, typically in the 50-80 HP range for these tractors.
Torque:
Specific torque figures would be detailed in the manual for various engine variants.
Injection Type:
Direct injection, likely with Bosch or similar rotary/inline injection pumps.
Cooling Method:
Liquid-cooled
Oil Type:
Specific SAE viscosity grade and API service classification for diesel engines (e.g., SAE 15W-40 API CG-4 or higher) would be detailed in the manual.
Engine Oil Change:
Typically every 100-250 operating hours, or annually (specific recommendation in manual).
Air Filter Service:
Check and service based on operating conditions, usually every 50-100 hours.
Fuel Filter Replacement:
Recommended annually or every 250-500 hours.
Engine Oil:
SAE 15W-40 API CG-4 or equivalent diesel engine oil (verify in manual).
Hydraulic Fluid:
Universal Tractor Transmission Oil (UTTO) or IH Hy-Trans fluid (verify in manual).
Coolant:
Ethylene glycol-based antifreeze mixed with water (50/50 ratio) for freeze protection and corrosion inhibition (verify capacity and type in manual).
Hydraulic Leaks:
Common on older tractors; seals and O-rings may degrade over time.
Electrical Connections:
Corrosion and loose connections can lead to intermittent electrical issues.
Pto Engagement:
Clutch wear or adjustment issues can affect PTO engagement.
Injection Pump Wear:
Wear on diesel injection pumps can affect engine performance and starting.
