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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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