Target Audience:
Owners of Case IH 1390 tractors, independent mechanics, and agricultural workshops.
Value Proposition:
Provides essential factory service information, saving significant costs compared to official dealership repairs or lesser quality manuals.
Instructional Quality:
Hundreds of photos and illustrations, detailed substeps, numbered instructions, and clear cautions/warnings enhance user understanding.
Accessibility:
Instant download in PDF format, compatible with PC and Mac, no shipping delays.
Diagnostic Tools:
While not explicitly mentioning diagnostic tools, the depth of the manual implies the use of standard mechanical and basic electrical diagnostic procedures.
Covered Systems:
General, Specifications, Engine, Cooling System, Fuel System, Power Train, Front Axle, Clutch, Differential Lock, Electrical System, Brakes, Fenders, Fuel Tank & Platform, Final Drive, Front System, Front-Wheel Drive, Hydraulic System, Main Drive Bevel Gears and Differential, Park Brake, Power Steering System, Power Take-Off, Rear Axle, Steering Gear, Transmission
Specific Components Covered:
Includes coverage for components like PTO clutch packs, differential lock actuators, steering cylinders, and lift arms.
Estimated Pages:
Hundreds
Type:
Factory Service Repair Manual
Engine:
Detailed coverage of engine components, overhaul, and diagnostics.
Cooling System:
Radiator, hoses, thermostat, water pump, and related components.
Fuel System:
Fuel injection, filters, pumps, and related components.
Powertrain:
Includes clutch, transmission, final drive, differential lock, and power take-off.
Hydraulics:
Hydraulic system operation, pumps, cylinders, valves, and troubleshooting.
Electrical System:
Wiring diagrams, troubleshooting, starter, alternator, lighting, and battery.
Brakes:
Brake system components, operation, maintenance, and repair.
Steering:
Power steering system, steering gear, and front axle components.
Front Wheel Drive:
If equipped, detailed service procedures for the front-wheel drive axle, transfer case, and engagement mechanisms.
Fenders Fuel Tank Platform:
Covers bodywork, fuel tank mounting and removal, operator platform access and maintenance.
Power Take Off:
Detailed coverage of PTO operation, maintenance, and repair of the PTO clutch and drive shaft.
Maintenance:
Scheduled maintenance, fluid checks, filter changes, lubrication.
Repair:
Step-by-step repair procedures for all major systems.
Troubleshooting:
Diagnostic guides for common and uncommon issues, including electrical troubleshooting.
Disassembly Reassembly:
Complete disassembly and reassembly instructions for detailed component overhaul.
Specific Component Repair:
Detailed instructions for repairing or replacing components such as the injection pump, turbocharger (if equipped), alternator, starter, and various hydraulic valves.
Electrical Troubleshooting Schematics:
Comprehensive wiring diagrams and systematic troubleshooting guides for all electrical circuits and components.
Depth:
Comprehensive factory-level detail suitable for both DIY owners and professional mechanics.
Torque Specifications:
Precise torque values for critical fasteners across all systems, ensuring proper assembly and preventing component failure.
Clearances:
Specified engine bearing clearances, valve lash adjustments, and gear meshing clearances essential for engine and drivetrain longevity.
Quality:
High-resolution PDF, ensuring clarity of text and illustrations.
Searchability:
PDF format typically allows for text searching, enabling users to quickly locate specific information.
Printability:
Printable without restrictions, allowing users to print the entire manual or specific pages.
Type:
Digital Download (Printable PDF)
Engine Type:
Diesel (Specific engine model details to be found within the manual, typically Perkins or Case IH designed engines for this era).
Engine Manufacturer Notes:
The 1390 was often equipped with Case IH branded engines or Perkins engines, known for their reliability in agricultural applications. Specific engine model designation is key for precise identification.
Horsepower Range:
Varies by specific engine configuration, but typically in the 50-70 HP range for tractors of this size and era.
Torque Characteristics:
Detailed torque specifications for engine components, critical for proper reassembly.
Injection System:
Likely direct injection or indirect injection, with specific details on fuel pumps, injectors, and troubleshooting provided.
Engine Oil Change:
Typically 250-500 hours, with specific recommendations in the manual.
Transmission Oil Change:
Refer to manual for specific intervals, often tied to operating hours or time.
Engine Oil:
Likely API CD/CE or ACEA E1/E2 specification diesel engine oil, with specific viscosity grade (e.g., 15W-40) detailed in manual.
Hydraulic Fluid:
Case IH TCH fluid or equivalent universal tractor transmission oil (UTTO) meeting specifications like API GL-4 for transmission and hydraulic systems.
Coolant:
Ethylene glycol-based coolant with appropriate antifreeze protection level, likely a heavy-duty or long-life formulation.
Brake Fluid:
Likely DOT 3 or DOT 4 brake fluid for wet brake systems, if applicable, or dedicated transmission/hydraulic fluid for shared systems.
Common Wear Items:
Clutch wear, hydraulic seal deterioration, starter motor issues, and potential electrical connector corrosion are common on tractors of this age.
Filter Replacements:
Fuel filter, oil filter, and air filter replacement intervals are critical and detailed.
