Market Position:
Essential technical documentation for owners and technicians of the CASE I.H. 1255 tractor, aimed at facilitating efficient maintenance and repair.
Competitive Analysis:
Provides the same level of detail and accuracy as original equipment manufacturer (OEM) service manuals, offering a cost-effective alternative for users.
Key Features:
Step-by-step instructions, detailed diagrams, exploded views, comprehensive troubleshooting, manufacturer specifications, instant download access.
Coverage Areas:
Comprehensive service, maintenance, and repair for the CASE I.H. 1255 agricultural tractor.
Page Count:
Unknown (typically hundreds of pages for comprehensive service manuals of this nature)
Manual Type:
Service Repair Manual
Language:
English (implied by product description)
Systems Covered:
Engine, transmission, drivetrain, hydraulics, electrical system, braking system, steering system, chassis, operator station, PTO, implements interface.
Electrical System:
Includes detailed wiring diagrams, troubleshooting for lighting, starting, charging systems, and instrument cluster operation.
Braking System:
Covers hydraulic brake system components, bleeding procedures, disc brake maintenance, and parking brake adjustments.
Steering System:
Coverage of hydrostatic power steering system components, fluid levels, and troubleshooting of steering drift or stiffness.
Hydraulic System:
Comprehensive coverage of the tractor's hydraulic system, including the pump, control valves, cylinders, and auxiliary hydraulic outlets.
Procedures Included:
Routine maintenance, scheduled servicing, diagnostics, troubleshooting, component removal and installation, adjustments, rebuild procedures, torque specifications, wiring diagrams, exploded views.
Engine Overhaul:
Procedures for engine cylinder head removal/installation, piston and connecting rod service, crankshaft main bearing inspection and replacement, timing gear inspection, and fuel injector testing/replacement.
Hydraulic Pump Testing:
Procedures for testing hydraulic pump output pressure and flow rates to diagnose performance issues.
Clutch Replacement:
Step-by-step instructions for clutch removal, inspection, and replacement if the transmission is not fully powershift or includes a clutch pack.
Pto Overhaul:
Procedures for servicing the Power Take-Off (PTO) clutch, gears, and engagement mechanisms.
Technical Depth:
In-depth technical information suitable for both novice mechanics and experienced service technicians, including complete disassembly and reassembly instructions.
Diagnostic Procedures:
Includes systematic troubleshooting charts and diagnostic flowcharts for various system faults, guiding users through fault finding.
Calibration Procedures:
Includes calibration steps for critical systems such as the 3-point hitch draft control or PTO engagement.
Torques Specifications:
Essential torque values for critical fasteners across all major components, ensuring proper assembly and preventing failures.
Engine Type:
Typically a 6-cylinder diesel engine (specific model details require model year analysis).
Engine Displacement:
Typically around 6.6 liters (6572 cc) for the 6-cylinder diesel engine, but specific displacement may vary slightly by engine variant (e.g., DT-360 or similar IH engines).
Engine Cooling System:
Information on coolant type, capacity, and radiator service procedures.
Horsepower Range:
Likely in the 120-140 HP range, depending on specific 1255 variant and configuration (e.g., 1255XL).
Engine Torque:
Approximate peak torque in the range of 450-550 Nm (Newton-meters), crucial for heavy draft work.
Engine Governor Settings:
Specifications for engine governed speed (high idle and rated speed) for optimal power delivery.
Fuel System Type:
Direct injection diesel, often with a rotary or inline injection pump.
Injection Timing:
Critical specifications for injection pump timing will be provided to ensure optimal performance and emissions.
Transmission Type:
Often features a powershift or synchronized shuttle transmission (e.g., 20-speed forward, 12-speed reverse).
Optional Features:
Could include creep speed options or different PTO configurations.
Pto Options:
Details on standard and optional PTO speeds (e.g., 540/1000 RPM) and their engagement mechanisms.
Transmission Features:
Powershift capability for on-the-go gear changes, range selection, power take-off (PTO) options.
Powershift Lever Operation:
Detailed instructions on how to properly engage and disengage powershift gears for longevity and efficiency.
Powershift Gear Ratios:
Details on the gear ratios for each speed, aiding in performance optimization and troubleshooting.
Overall Length:
Approximately 4.5 - 5.0 meters (varies by configuration and hitch type).
Overall Width:
Approximately 2.0 - 2.5 meters (varies by tire size and axle width).
Wheelbase:
Typically around 2.5 - 2.7 meters for stability and maneuverability.
Ground Clearance:
Specifications for ground clearance under the chassis and axle, important for field operations.
Operating Weight:
Around 5,500 - 6,500 kg (unballasted, without implements).
Front Axle Weight:
Guidance on proper front axle loading and ballast requirements.
Rear Axle Weight:
Specifications for optimal rear axle loading for traction and stability.
Safety Features Coverage:
Manual covers safety procedures related to operation, maintenance, and repairs, including safe handling of components and fluids.
Active Safety Coverage:
Information on braking system operation, steering system maintenance, and PTO engagement safety.
Passive Safety Coverage:
Details on ROPS (Roll-Over Protective Structure) maintenance and operator station safety protocols.
Infotainment Features:
Basic operator instrumentation, gauges for engine parameters, hour meter. Not typically equipped with advanced infotainment systems.
Driver Assistance Features:
Limited by era; may include features like draft control for the 3-point hitch, but not electronic driver aids found in modern vehicles.
Connectivity Features:
Not applicable in the modern sense; relies on mechanical and hydraulic connections for implements.
Service Intervals:
Detailed schedules for engine oil changes, hydraulic filter replacement, transmission fluid checks, fuel filter changes, and lubrication points.
Engine Filter Replacement Interval:
Recommendations for engine oil filter, fuel filter, and air filter replacement, typically based on operating hours or time.
Transmission Fluid Change Interval:
Recommended intervals for checking and changing transmission and hydraulic fluid, critical for preventing wear.
Engine Oil Type:
Refer to specific engine model specifications, typically API CG-4 or higher, SAE 15W-40 or 10W-30.
Hydraulic Fluid Type:
Typically a Universal Tractor Transmission Oil (UTTO) meeting CAT TO-2 or TO-4 specifications, or a specialized CASE IH hydraulic fluid.
Transmission Fluid Capacity:
Specific capacities for the transmission, hydraulic reservoir, and final drives.
Transmission Fluid Specification:
Specific requirements for transmission and hydraulic fluid, crucial for proper operation of powershift and PTO.
Common Wear Points:
Potential areas for wear include transmission synchronizers, hydraulic pump performance, and linkage wear points. The manual will detail checks and repairs for these.
Hydraulic System Common Faults:
Details on diagnosing and rectifying issues such as low hydraulic pressure, slow implement operation, or hydraulic fluid leaks.
Brand Heritage:
CASE I.H. (International Harvester) has a long-standing history in agricultural machinery, known for robust and reliable tractors.
Historical Significance:
CASE I.H. tractors are renowned for their durability and power, making the 1255 a workhorse in its class during its production period.
Model Evolution:
The 1255 was part of the 'Maxxum' or similar series, representing a significant advancement in tractor technology for its era, often succeeding earlier IH models.
Model Designation:
The '1255' designation typically indicates a horsepower class and series within the CASE I.H. lineup, often associated with the Maxxum series or its predecessors.
Series Relation:
May be related to or a precursor to later CASE IH Maxxum models, representing a generational shift in agricultural tractor design.
Production Period:
Likely produced in the late 1980s to early 1990s, following the merger of Case and International Harvester.
