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Case IH 2394 Troubleshooting
The
Case IH 2394 is a two-wheel drive row-crop tractor. This model was manufactured
from 1984 to 1988. The tractor is powered by 504 cu.in (8.3 L) Case 504BD
4-stroke 6-cylinder turbocharged diesel engine with a rated power of 197 hp (147
kW).
The Case IH 2394 is fitted with a two transmission options: power shift transmission with 12 forward and 3 reverse gears, or power shift transmission with 24 forward and 3 reverse gears. The maximum travel speed (forward/reverse): 19.3 mph (31.1 km/h) and 6.5 mph (10.5 km/h).
The closed center hydraulic system has a piston pump with a rated capacity of 27 gpm (102.3 lpm). The hydraulic system pressure is 155 bar (2250 psi). The Case IH 2394 is equipped with a hydrostatic power steering, hydraulic wet disc brakes, 11.00x16 or 14Lx16 front tyres, and 24.5x32 or 30.5x32 rear tyres The wheelbase is 118" (2990 mm).
| Engine Troubleshooting |
| Engine hard to start or won't start |
Air in fuel system - Bleed fuel system.
Clogged fuel filter - Clean the filter element.
Fuel injection nozzles are dirty or defective - Replace injection nozzles.
Water in the fuel system - Change fuel and repair fuel system.
Valve out of adjustment - Adjust valve clearance.
Damaged fuel injection pump - Repair or change injection pump.
| Engine starts but then stops |
Clogged air filter - Clean or replace element.
Fuel filter element is clogged - Filter maintenance required.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Fuel injectors are dirty or defective - Clean or replace fuel injectors.
Damaged fuel injection pump - Repair or install new pump.
| Engine shuts off while running |
Engine is cold - Warm up the engine.
Fuel filter plugging - Service the filter.
Air in fuel tank - Bleed fuel tank.
Fuel injection nozzles are dirty or defective - Replace injection nozzles.
Incorrect adjustment of fuel injection pump timing - Adjust fuel injection pump as required.
| Engine stops when idle |
Incorrect low idle setting - Test and adjust.
Fuel injection pump is not operating properly - Rebuild or install a new injection pump.
Fuel injectors are dirty or defective - Clean or replace fuel injectors.
Incorrect valve clearance - Adjustment procedure required.
| Diesel power loss |
Air filter element clogged - Clean air cleaner element.
Fuel injection nozzles are damaged - Service or change injection nozzles.
Fuel injection pressure is incorrect - Adjust to proper pressure.
Valve clearance is not correct - Need to adjust valve clearance.
Incorrectly adjusted low idle speed - Correct low idle settings.
Clogged fuel lines or hoses - Clean fuel lines and hoses.
Worn cylinder head gasket - Install a new gasket.
Piston rings are worn or damaged - Piston rings need to be replaced.
| Engine overheating |
Lack of engine coolant - Refill to the correct level and inspect system for leaks.
Insufficient engine oil - Fill the crankcase with engine oil.
Radiator fins are dirty or radiator cap is defective - Clean radiator or change cap.
Loose or damaged fan belt - Replace as required.
Engine is overloaded - Reduce engine load.
| Low oil pressure |
Low crankcase oil level - Check oil level and add oil as required.
Oil filter element clogged - Change or clean engine oil filter element.
Different type of engine oil - Use proper viscosity oil.
Incorrect crankshaft bearing oil clearance - Change bearings.
Worn oil pump - Repair or change.
| Engine knocks or noises |
Not enough engine oil - Fill up the engine oil.
Engine is cold - Warm up the engine.
Wrong setting of fuel injection pump timing - Adjust the pump as required.
Improperly adjusted low idle speed - Correct low idle adjustment.
Damaged or clogged injectors - Replace fuel injectors.
Misaligned or faulty connecting rod - Connecting rod needs to be replaced or aligned.
Pistons are worn or scored - Pistons replacement required.
| Transmission Troubleshooting |
| Lack of transmission oil pressure |
Transmission fluid insufficient - Need to add transmission fluid.
Transmission oil filter element clogging (if equipped) - Service or replace the transmission oil filter.
Stuck relief valve - Replace the valve.
| Transmission noise |
Insufficient transmission fluid - Add fluid to the transmission housing.
Transmission oil contamination - Transmission oil change required.
Gears are defective or backlash is improper - Adjust backlash properly or replace the gears.
Worn or broken bearings - Bearings need to be changed.
Shift forks are bent or worn out - Change the shift forks.
Stuck or worn shaft splines - Replace defective shaft.
| Hard shifts |
Gear shift linkage is rusty or worn - Lubricate or replace shift linkage.
Shift forks are worn or bent - Change defective shift forks.
Worn out parts of the gearshift mechanism - Replace worn parts.
Clutch is out of adjustment or defective - Adjust clutch or change if necessary.
| Transmission fluid leaks |
Transmission fluid level is high - Correct the fluid level.
Worn seals or gaskets - Gaskets or seal need to be replaced.
| Hydraulics Troubleshooting |
| Low hydraulic system pressure |
Hydraulic fluid level low - Checking hydraulic fluid level and add if necessary.
Dirty hydraulic fluid filter element - Clean or replace the hydraulic filter.
Defective hydraulic pump - Replace or repair hydraulic fluid pump.
Incorrect setting hydraulic control valve block - Set correctly.
Hydraulic cylinder malfunction - Install a new hydraulic cylinder or repair it.
Leaks in hydraulic pipes - Find leaks in the system and fix it.
| Hydraulics overheating |
Main relief valve malfunction - Install a new relief valve.
Hydraulic fluid type is wrong - Use correct type of hydraulic fluid.
Hydraulic oil is contaminated - Fill up with fresh hydraulic oil.
There is air in the hydraulic system - Bleed hydraulic system.
| Hitch won't raise or raises slowly |
Hitch is under excessive load - Reduce loading.
Insufficient hydraulic fluid - Add fluid as required.
Dirty hydraulic fluid filter - Install a new hydraulic filter element.
Faulty hydraulic pump - Change or repair hydraulic oil pump.
Main relief valve malfunction - Relief valve need to be replaced.
Hydraulic control valve block is faulty - Install a new valve or repair it.
Defective hydraulic cylinder - Replace or repair hydraulic cylinder.
Loose or broken suction pipe - Retighten or replace pipe.
| Hitch cannot be dropped or dropping is too slow |
Hydraulic control valve block is not set properly - Use the proper setting.
Hydraulic cylinder is defective - Change or repair hydraulic cylinder.
The three-point hitch is not adjusted - Adjustment is required.
Hitch cross shaft is worn - Install a new shaft.
| Hitch lift or drop is jerky |
Air in hydraulic system - Bleed air from hydraulic system.
Hydraulic oil is contaminated - Fill up with fresh hydraulic oil.
Hydraulic pump is faulty - Change or repair hydraulic oil pump.
Hydraulic spool valve is faulty - Repair or change hydraulic valve.
Faulty hydraulic cylinder - Repair or replace hydraulic cylinder.
| Steering System Troubleshooting |
| Excessive effort to steer |
Incorrectly mounted or defective steering column - Mount the steering column correctly or replace it.
Air lock in the steering system - Bleed the system of air.
Incorrect toe-in - Adjust toe-in properly.
Tires have uneven wear - Replace the tires.
Worn steering pump - Check the hydraulic steering pump and change if necessary.
Worn or stuck pump flow control valve - Replace or clean flow control valve.
Steering oil level is insufficient - Checking steering oil level and add it if necessary.
| Excessive steering wheel free play |
Steering column shaft or coupling is worn out - Change faulty component.
Steering pump is faulty - Check the hydraulic steering pump and change if necessary.
Loose or worn steering linkage parts - Check and replace as required.
| Front wheels wander to left or right |
Uneven tyre pressure - Inflate the tyres properly.
Improper toe-in - Check and adjust toe-in.
Steering linkage components are loose or worn - Check and replace as required.
Incorrectly adjusted or worn front wheel bearings - Adjust properly or change bearings.
| Electrical System Troubleshooting |
| Battery cannot be charged |
Wiring connections are corroded or loose - Tighten or service cable connections.
Battery terminal clamps are faulty - Change terminal clamps.
Battery dead cell - Change the battery.
Belt is worn or loose - Adjust belt tension or change the belt.
| Starter turning slow |
Low battery voltage - Battery is drained, recharge it.
Battery is draining quickly - Service charging system or install new battery.
Disconnected wires or corroded battery terminals - Connect cables properly or replace terminals.
| Starter motor won't turn |
Battery is drained or defective - Charge or change the battery.
Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly.
Battery power is low - Battery is drained, recharge it.
Faulty starter motor - Replace or repair starter.
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| Farm Tractors Technical Specifications |