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Case IH 3594 Troubleshooting
The
Case IH 3594 is a 4WD (4x4) row-crop tractor. This model was manufactured from
1985 to 1988. The tractor is powered by 504 cu.in (8.3 L) Case 504BD
six-cylinder turbocharged diesel engine with a rated power of 235 hp (174 kW).
The Case IH 3594 is fitted with a two transmission options: partial powershift transmission with 12 forward and 3 reverse gears, or powershift transmission with 24 forward and 3 reverse gears. The maximum travel speed (forward/reverse): 20.8 mph (33.5 km/h) and 8.4 mph (13.5 km/h). The closed center hydraulic system has a piston pump with a rated capacity of 30 gpm (113.6 lpm).
The hydraulic system pressure is 155 bar (2250 psi). The Case IH 3594 is equipped with a hydrostatic power steering, differential hydraulic wet disc brakes, 16.9x26 front tires, and 24.5R32 rear tires. The wheelbase is 116" (2940 mm).
| Engine Troubleshooting |
| Engine difficult to start or will not start |
Air in the fuel lines - Bleed the fuel lines.
Fuel filter element is clogged - Service the filter.
Fuel injection nozzles are faulty or clogged - Check and replace nozzles if required.
Water or dirt in fuel system - Drain, flush, and service the system.
Valve clearance is out of adjustment - Need to adjust valve clearance.
Fuel injection pump is defective - Repair or change injection pump.
| Engine starts and then shuts off |
Clogged air filter element - Replace air filter element.
Fuel filter element is clogged - Service or replace the filter.
Fuel injection pump is leaking - Repair any leaks.
Fuel injector fault - Replace or clean fuel injectors.
Defective fuel injection pump - Replacement or repair required.
| Engine stalls during operation |
Engine is not preheated - Warm up the engine.
Fuel filter plugging - Replace filter element.
There is air in the fuel system - Bleed the system.
Fuel injection nozzles are damaged - If necessary, replace with a new nozzle.
Improper setting of fuel injection pump timing - Adjust as recommended.
| Engine stalls when idling |
Low idle speed setting is incorrect - Correct low idle adjustment.
Fuel injection pump malfunctioning - Repair or install new pump.
Defective fuel injectors - Clean fuel injectors or change it.
Valve clearance is not correct - Adjust valve clearance according to specifications.
| Reduced engine power |
Dirty air cleaner - Change air filter element.
Fuel injection nozzles are faulty or clogged - Clean or replace injection nozzles.
Fuel injection pressure is wrong - Adjust pressure to proper level.
Valve clearance is not correct - Check and adjust.
Incorrect low idle setting - Normalize low idle speed.
Clogged fuel hoses or lines - Service fuel hoses and lines.
Damaged cylinder-head gasket - Replace the gasket as required.
Worn or damaged piston rings - Piston rings need to be replaced.
| Engine is overheated |
Engine coolant is insufficient - Add coolant and check the components of cooling system.
Lack of engine oil - Need to add engine oil.
Radiator core is dirty or radiator cap is damaged - Replace cap or clean radiator.
Damaged or worn fan belt - Install new fan belt.
Engine is running overloaded - Reduce engine load.
| Oil pressure is insufficient |
Low oil level - Fill up the engine oil.
Dirty oil filter element - Clean or replace engine oil filter element.
Incorrect oil viscosity - Use correct viscosity oil.
Excessive crankshaft bearing oil clearance - Bearings need to be reinstalled.
Oil pump is worn or damaged - Check and replace if necessary.
| Engine noise or knocking |
Insufficient engine oil - Fill the crankcase with engine oil.
Engine is cold - Warm up engine as required.
Timing of fuel injection pump is incorrect - Adjust fuel injection pump as required.
Too low idle RPM - Correct low idle adjustment.
Damaged or clogged injectors - Clean or replace fuel injectors.
Misaligned or defective connecting rod Connecting rod needs to be replaced or aligned.
Broken or worn pistons - Replace the pistons.
| Transmission Troubleshooting |
| Low transmission fluid pressure |
Lack of transmission oil supply - Fill the transmission housing with oil.
Dirty transmission fluid filter element (if equipped) - Replace or service transmission fluid filter.
Relief valve is damaged - Replace the valve.
| Transmission noises |
Insufficient transmission fluid - Check and refill the transmission fluid.
Transmission oil contamination - Change the oil.
Improper backlash or worn gears - Install new gears and adjust backlash properly.
Bearings are cracked or worn - Change the bearings.
Shift forks are worn or bent - Change the shift forks.
Shaft splines are damaged or worn - Replace the shaft.
| Hard to shift gears |
Gear shift linkage is corroded or worn - Replace or lubricate the shift linkage.
Worn or bent gear shift forks - Change defective shift forks.
Worn out parts of the gearshift mechanism - Replace worn parts.
Clutch is out of adjustment or defective - Clutch adjustment or replacement required.
| Transmission oil leaking |
Transmission fluid level is high - Correct the fluid level.
Seals or gaskets are worn - Replace worn gaskets or seal.
| Hydraulic System Troubleshooting |
| Hydraulic fluid pressure is insufficient |
Hydraulic oil level low - Need to add oil.
Dirty hydraulic oil filter element - Clean the hydraulic filter element or replace if necessary.
Hydraulic pump failure - Replace or repair hydraulic fluid pump.
Incorrect adjusted hydraulic control valve - Adjust correctly.
Damaged hydraulic cylinder - Install a new hydraulic cylinder or repair it.
Leaks in hydraulic lines - Identify leaks in the system and repair it.
| Hydraulic system overheating |
Main relief valve is damaged - Relief valve replacement required.
Improper hydraulic oil type - The proper type of hydraulic oil must be used.
Hydraulic oil is dirty - Hydraulic oil change required.
Air in hydraulic pipes - Bleed hydraulic pipes.
| Hitch not raising or hitch raises slowly |
Excessive hitch loading - Reduce hitch load.
Hydraulic oil is insufficient - Need to add oil.
Clogged hydraulic fluid filter element - Install a new hydraulic filter element.
Damaged hydraulic pump - Replace or repair hydraulic fluid pump.
Damaged main relief valve - Change relief valve.
Hydraulic control valve is faulty - Repair or replace the valve.
Hydraulic cylinder is defective - Install a new hydraulic cylinder or repair it.
Suction line is loose or broken - Replace or repair.
| Hitch not lowering or hitch lowers slowly |
Hydraulic spool valve block is not adjusted properly - The spool valve should be properly adjusted.
Broken hydraulic cylinder - Replace or repair hydraulic cylinder.
Unadjusted hitch - Adjust as required.
Worn hitch rock shaft - Replace the shaft.
| Hitch lift or lower is jerky |
Air trapped in hydraulic system - Bleed air from system.
Contaminated hydraulic fluid - Change hydraulic fluid.
Defective hydraulic pump - Replace or repair hydraulic fluid pump.
Hydraulic spool valve block is faulty - Install a new valve or repair it.
Broken hydraulic cylinder - Replace or repair hydraulic cylinder.
| Steering Troubleshooting |
| Excessive effort to steer |
Damaged or incorrectly assembled steering column - Replace steering column or assemble correctly.
Air in the hydraulic steering system - Need to bleed air.
Incorrect toe-in - Check and adjust toe-in.
Front tires wear unevenly - Change the tires.
Steering pump stopped working - Install a new hydraulic steering pump.
Damaged or stuck steering pump control valve - Replace or service control valve.
Low steering fluid level - Fill the steering system with fluid.
| Excessive free play of steering wheel |
Worn steering column shaft or coupling - Replace defective component.
Faulty steering pump - Replace or repair steering pump.
Steering linkage joints are worn or loose - Inspect and change as required.
| Tractor pulls to right or left |
Tire pressure is uneven - Adjust the tire pressure.
Incorrect toe-in - Check toe-in and correct.
Loose or worn steering linkage parts - Inspect and replace as required.
Front wheel bearings are defective or improperly adjusted - Change or adjust bearings correctly.
| Electrical System Troubleshooting |
| Battery is not charging |
Electrical wire connections are loose or corroded - Tighten or service connections.
Battery terminal clamps are faulty - Replace terminal clamps.
Dead cell in battery - Install a new battery.
Belt is defective or loose - Adjust belt tension or change the belt.
| Starter cranks slow |
Battery capacity is low - Recharge the battery.
Battery does not hold charge - Battery needs to be serviced or replaced.
Bad terminals or disconnected battery cables - Connect cables correctly or replace terminals.
| Starter motor won't turn |
Battery is low or faulty - Battery needs to be recharged or replaced.
Wiring harness is disconnected or improperly connected - Check wiring harness and connect as required.
Low battery voltage - Recharge the battery.
Damaged starter motor - Repair or replace starter.
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| Farm Tractors Technical Specifications |