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Case IH 1896 Troubleshooting

The Case IH 1896 is a 2WD or 4WD row-crop tractor from 96 series. This model was manufactured between 1985 and 1989. The Case IH 1896 driveline includes a Cummins B6T 590 four-stroke six cylinder turbocharged diesel engine and 3-speed power shift transmission with 12 forward and 3 reverse gears.

The 359 cubic inches (5.9 L) engine has a cylinder bore of 4.02" (102 mm), piston stroke of 4.72" (120 mm), and rated power of 94.9 hp (70.8 kW). The maximum forward speed - 18.1 mph (29.2 km/h), maximum reverse speed - 8 mph (12.8 km/h).

The closed center hydraulic system used a pump with a flow of 23 gpm (87.1 lpm). The hydraulic pressure is 2250 psi (155 bar). The Case IH 1896 is equipped with a hydrostatic steering system, differential hydraulic wet disc brakes, 11.0R16 front tires, and 18.4R38 rear tires. The wheelbase is 107.9 inches (2740 mm).

Engine Troubleshooting
Engine starts hard or won't start

Air in fuel tank - Bleed fuel tank.
Fuel filter plugged - Filter maintenance required.
Fuel injection nozzles are damaged - Clean or change injection nozzles.
Water or dirt in fuel system - Drain, flush, and service the system.
Valve out of adjustment - Check and adjust as required.
Fuel injection pump is defective - Change pump or rebuild it.

Engine starts but then stalls

Air cleaner is dirty - Install new air filter element.
Dirty fuel filter - Install new filter element.
Fuel injection pump is leaking - Repair any leaks.
Dirty or defective injectors - Replace or clean fuel injectors.
Fuel injection pump malfunction - Replacement or repair required.

Engine stops unexpectedly during operation

Engine has not warmed up to the recommended temperature - Warm up engine as required.
Fuel filter element is dirty - Filter maintenance required.
Air in the fuel pipes - Bleed the fuel pipes.
Fuel injection nozzles fault - Change fuel injection nozzles.
Fuel injection pump timing is wrong - Adjust fuel injection pump as required.

Engine stops while idling

Too low idle RPM - Correct low idle settings.
Fuel injection pump is not working correctly - Rebuild or replace pump.
Damaged or clogged injectors - Clean or replace fuel injectors.
The valve clearance is not adjusted - Correct valve clearance needs to be set.

Diesel engine is losing power

Clogged air filter - Service air cleaner.
Fuel injection nozzles are damaged or dirty - Change fuel injection nozzles.
Insufficient fuel injection pressure - Repair or replace injection pump.
Valve clearance is wrong - Check and adjust.
Wrong adjustment of low idle speed - Need to adjust idle speed.
Fuel hoses or lines are clogged - Fuel lines and hoses need to be cleaned.
Cylinder head gasket is worn - Gasket should be replaced.
Piston rings are worn or defective - Replace the piston rings as required.

Engine overheats

Engine has a lack of coolant - Top up coolant fluid and check system for leaks.
Low engine oil level - Fill up the oil to required level.
Clogged radiator fins or leaking radiator cap - Clean radiator or replace cap.
Loose or defective fan belt - Install new fan belt.
Engine overload - Reduce load on the engine.

Oil pressure too low

Not enough oil in the engine - Fill the crankcase with oil.
Clogged oil filter element - Service or change engine oil filter element.
Wrong oil viscosity - Drain and refill with oil of correct grade and viscosity.
Excessive main bearing oil clearance - Bearings need to be reinstalled.
Defective oil pump - Check and replace if necessary.

Engine knocking or noise

Engine oil insufficient - Check oil level and add oil as required.
Engine has not warmed up to the recommended temperature - Warm up engine as required.
Fuel injection pump timing is not adjusted - Adjust according to specifications.
Incorrectly set low idle speed - Normalize low idle speed.
Clogged or defective injectors - Replace or clean fuel injectors.
Faulty or misaligned connecting rod - Replace or align connecting rod.
Pistons are worn or scored - Have pistons replaced.

Transmission Troubleshooting
Transmission fluid pressure is insufficient

Lack of transmission fluid - Checking transmission fluid level and add if necessary.
Transmission fluid filter element is clogged (if equipped) - Service or replace the transmission fluid filter.
Relief valve is damaged - Replace relief valve as required.

Transmission noise

Low fluid level - Add fluid to the transmission housing.
Transmission fluid is dirty - Transmission fluid change required.
Gears are damaged or backlash is incorrect - Change the gears or set backlash properly.
Bearings are cracked or worn - Faulty bearings should be replaced.
Worn or bent gear shift forks - Change the shift forks.
Worn or stuck shaft splines - Replace defective shaft.

Gears are hard to shift

Gear shift linkage is worn or rusty - Change or lubricate shift linkage.
Worn or bent gear shift forks - Replace defective shift forks.
Worn parts of the gear shifting mechanism - Change worn parts.
Worn or unadjusted clutch - Clutch adjustment or replacement required.

External fluid leaks

High transmission oil level - Correct the oil level.
Damaged seals or gaskets - Replace worn gaskets or seal.

Hydraulics Troubleshooting
Low hydraulic fluid pressure

Hydraulic oil level low - Need to add oil.
Dirty hydraulic fluid filter - Clean or change hydraulic filter.
Faulty hydraulic pump - Change or repair hydraulic oil pump.
Hydraulic control valve block is set improperly - Set properly.
Hydraulic cylinder failure - Change or repair hydraulic cylinder.
Leaks in hydraulic lines - Inspect hydraulic system for leaks and repair it.

Hydraulics overheating

Main relief valve malfunctioning - Replace relief valve.
Wrong type of hydraulic oil - Pour the correct type of hydraulic oil.
Dirty hydraulic fluid - The fluid must be changed.
Air in hydraulic pipes - Bleed hydraulic pipes.

Hitch can't lift or lifts too slowly

Heavy load on the hitch - Reduce hitch load.
Hydraulic fluid is insufficient - Checking hydraulic fluid level and add if necessary.
Clogged hydraulic fluid filter - Hydraulic filter maintenance required.
Damaged hydraulic pump - Install a new hydraulic oil pump.
Main relief valve is defective - Replace relief valve.
Damaged hydraulic control valve - Repair or change the valve.
Broken hydraulic cylinder - Repair or replace hydraulic cylinder.
Loose or broken suction pipe - Retighten or replace pipe.

3-point hitch does not lower or lowers very slowly

Incorrect adjusted hydraulic control valve - Adjust correctly.
Broken hydraulic cylinder - Repair or change hydraulic cylinder.
The hitch is not adjusted - Adjust 3-point hitch as required.
Worn hitch cross shaft - Replace the shaft.

Hitch lowering or lifting is jerky

Air in hydraulic pipes - Bleed hydraulic pipes.
Hydraulic oil is dirty - Hydraulic oil change required.
Hydraulic pump malfunction - Change or repair hydraulic oil pump.
Faulty hydraulic control valve - Install a new hydraulic valve or repair it.
Broken hydraulic cylinder - Replace or repair hydraulic cylinder.

Steering Troubleshooting
Steering is difficult

Improperly assembled or defective steering column - Reassemble or change the steering column.
Air lock in the steering system - Bleed air.
Incorrect toe-in - Check toe-in and correct.
Uneven tire pressure - Inflate the tires properly.
Hydraulic steering pump is defective - Repair or change steering pump.
Pump flow control valve is damaged or stuck - Clean or replace control valve.
Low steering fluid level - Fill the steering system with fluid.

Excessive free play of steering wheel

Steering column shaft or coupling is worn out - Change faulty component.
Steering pump stopped working - Steering pump needs to be repaired or replaced.
Loose or worn steering linkage components - Inspect and change as required.

Front wheels wander to right or left

Tires have uneven wear - Replace the tires.
Improper toe-in - Check toe-in and correct.
Loose or worn steering linkage components - Inspect and change as required.
Incorrectly adjusted or damaged front wheel bearings - Change or adjust bearings correctly.

Electrical System Troubleshooting
Battery is not charging

Wiring connections are loose or corroded - Clean or tighten connections.
Battery terminal clamps are defective - Terminal clamps should be changed.
Battery faulty cell - Battery replacement required.
Worn or loose belt - Need to adjust belt tension or replace belt.

Starter motor turns slow

Battery power is low - Battery is drained, charge it.
Battery will not hold charge - Service charging system or install new battery.
Disconnected cables or faulty battery terminals - Check cables and clean or change terminals.

Starter doesn't crank

Battery is drained or defective - Change or recharge battery.
Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly.
Battery voltage is low - Battery needs to be recharged.
Starter motor is defective - Starter should be changed.



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