Systems Covered:
Engine, Clutch, Transmission, Rear Axle, Brakes, Front Axle, Steering, Hydraulic System, Electrical System, and more.
Engine Overhaul:
Complete procedures for engine disassembly, inspection, component replacement (pistons, rings, bearings, valves, camshaft), and reassembly.
Clutch Service:
Detailed instructions for clutch inspection, adjustment, replacement of clutch disc, pressure plate, and release bearing.
Transmission Repair:
Comprehensive guidance on transmission overhaul, including gear sets, synchronizers, shift forks, bearings, and seals.
Rear Axle Assembly:
Procedures for differential inspection, repair, and adjustment, including ring and pinion gear setup, axle shafts, and brakes.
Brake System Service:
Detailed diagnostics and repair for hydraulic brake systems, including master cylinder, wheel cylinders, brake lines, and brake shoes/pads.
Front Axle And Steering:
Maintenance and repair for front axle components, kingpins, tie rods, steering linkage, and hydraulic power steering system.
Hydraulic System Maintenance:
Service for hydraulic pump, control valves, lift cylinders, remote hydraulic outlets, filters, and fluid levels.
Electrical System Diagnostics:
Wiring diagrams, troubleshooting guides for starting and charging systems, lighting, PTO switches, and accessory circuits.
Procedures Included:
Troubleshooting, maintenance, repair, disassembly, assembly, diagnostics, adjustments, and component replacement.
Troubleshooting Guides:
Systematic approaches to identify and resolve operational issues, with diagnostic charts and symptom-based solutions.
Preventative Maintenance:
Regular checks, lubrication points, fluid replacement intervals, and component inspections designed to maximize tractor lifespan and performance.
Component Rebuilds:
Step-by-step instructions for rebuilding major components like the engine, transmission, hydraulic pump, and PTO clutch.
Torque Specifications:
Essential torque values for critical fasteners and bolt assemblies throughout the tractor to ensure proper tightening and prevent component damage.
Technical Depth:
Complete A-Z coverage, including detailed step-by-step instructions, diagrams, illustrations, wiring schematics, and technical specifications.
Diagnostic Charts:
Tables and flowcharts to aid in diagnosing problems based on observed symptoms, leading to efficient problem resolution.
Special Tool Requirements:
Identification of any specific or special tools required for certain repair procedures, ensuring the correct method is used.
Illustrations And Diagrams:
High-quality illustrations and exploded view diagrams to visually guide technicians through disassembly and reassembly processes.
Wiring Schematics:
Detailed electrical wiring diagrams for all circuits, essential for troubleshooting electrical faults and repairs.
Primary Engine:
Details for the engine specific to Case IH 1490 and 1494 models (engine type, displacement, bore, stroke, compression ratio, fuel injection system, cooling system details to be found within the manual).
Performance:
Horsepower, torque, governed RPM, and other performance-related specifications covered for the specific engine configurations of the 1490 and 1494 models.
Fuel System:
Information on fuel injection pump, injectors, fuel filters, fuel lines, and troubleshooting related to the fuel system.
Engine Model:
To be determined based on specific 1490/1494 configurations (e.g., Case IH 4-cylinder diesel, displacement approximately 3.9L or similar).
Cooling System:
Information on radiator, fan, water pump, thermostat, and coolant specifications and maintenance.
Lubrication System:
Details on oil pump, oil filter, oil passages, and recommended oil types and change intervals.
Standard:
Details on the standard transmission type for the Case IH 1490 and 1494 (likely a powershift or synchronized transmission, specific gears and ratios to be confirmed within the manual).
Optional:
Information on any optional transmission variants or configurations.
Features:
Operation, maintenance, troubleshooting, and repair procedures for clutch engagement, gear shifting mechanisms, PTO engagement, and related components.
Transmission Type:
Likely a gear-drive or powershift transmission; specific type and number of forward/reverse gears to be detailed in the manual.
Pto Operation:
Information on rear PTO engagement, speeds, and maintenance.
Exterior:
Overall length, width, height, wheelbase, and ground clearance for the Case IH 1490 and 1494 models (specific measurements to be found within the manual).
Interior:
Information regarding operator station, controls, and ergonomics (details to be extracted from manual content).
Cargo:
Not applicable for this tractor model.
Weights:
Operating weight, front/rear axle weight distribution, and maximum permissible operating weight for the Case IH 1490 and 1494 (specific figures within the manual).
Wheelbase:
Specific wheelbase measurement for 1490 and 1494 models to be confirmed.
Tire Sizes:
Recommended front and rear tire sizes for optimal performance and weight distribution (details within manual).
Operating Weight:
Approximate operating weight for standard configuration (likely in the 7,000-10,000 lb range, specific to be found).
Ratings:
While formal crash test ratings aren't applicable, the manual would cover safety procedures and recommended operating practices for safe tractor operation.
Active Features:
Details on safety features such as ROPS (Roll Over Protective Structure), seat belts, brake interlocks, and PTO shielding. Information on proper use of these features.
Passive Features:
Ergonomic design considerations for operator comfort and safety, visibility aspects, and safe access/egress procedures.
Operator Presence Control
Operator Presence Control:
Details on any safety interlocks that prevent operation when the operator is not in the seat or safety restraints are not engaged.
Service Intervals:
Detailed schedules for routine maintenance tasks such as oil changes, filter replacements, lubrication, and safety checks at specified operating hours or time intervals.
Fluid Specifications:
Specific types and quantities of engine oil (e.g., API CI-4/CJ-4), hydraulic fluid (e.g., Case IH Hy-Tran Plus), transmission fluid, coolant, and grease required for various maintenance points.
Known Issues:
The manual would likely address common wear items, potential failure points, and troubleshooting guides for recurring problems specific to the 1490/1494 models.
Filter Part Numbers:
Specific part numbers for oil filters, fuel filters, and hydraulic filters recommended by Case IH for these models.
Grease Points:
Identified lubrication points on steering, linkage, axles, and PTO shaft with recommended grease types and service frequency.
