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Case IH 795 XL Troubleshooting

The Case IH 795XL is a 2-wheel drive or 4-wheel drive utility tractor from 95XL utility series. This model was manufactured from 1991 to 1994. The components of Case IH 795 XL powerline system: a 246 cubic inches (4 L) Case D246 4-cylinder liquid-cooled diesel engine with a rated power of 77 hp (57.4 kW), and 16x8 semi-powershift transmission or 8x4 synchronized transmission.

The maximum travel speed (forward/reverse): 21.1 mph (34 km/h) and 10.8 mph (17.4 km/h). The open center hydraulic system includes a gear pump with rated fluid flow of 17.2 gal/min (65 l/min).

The hydraulic pressure is 180 bar (2600 psi). The Case IH 795XL is equipped with a hydrostatic power steering, wet disc brakes, 10.00-16 (2WD) or 12.4-24 (4WD) front tyres, and 16.9-34 rear tyres. The wheelbase is 88.2 inches (2240 mm) for 2WD models and 85.4 inches (2160 mm) for 4WD models.

Engine Troubleshooting
Engine starts up hard or will not start

Air in fuel system - Bleed fuel system.
Clogged fuel filter - Filter maintenance required.
Fuel injection nozzles fault - Clean or change injection nozzles.
Water in the fuel system - Change fuel and repair fuel system.
Incorrect valve clearance - Adjust to proper valve clearance.
Fuel injection pump is damaged - Install a new fuel pump or repair.

Engine starts but stalls immediately

Air filter clogged - Clean or replace the element.
Fuel filter element is clogged - Install new filter element.
Poor fuel injection pump tightness - Look for any leaks of fuel pump Tighten it fast.
Damaged or clogged injectors - Change or clean fuel injectors.
Faulty fuel injection pump - Rebuild or install a new injection pump.

Engine stops running suddenly

Engine is cold - Warm up engine as required.
Fuel filter plugged - Replace filter element.
Air in the fuel system - Air bleeding.
Faulty fuel injection nozzles - Service or change injection nozzles.
Fuel injection pump timing is not adjusted - Set up as recommended.

Engine stops when idling

Incorrectly set low idle speed - Adjust low idle speed.
Fuel injection pump malfunctioning - Replace or rebuild injection pump.
Fuel injectors are faulty or clogged - Inspect fuel injectors and change as required.
Valve clearance is wrong - Adjust to proper valve clearance.

Diesel engine loses power

Dirty air cleaner - Carry out maintenance on air filter.
Fuel injection nozzles are dirty or defective - Clean or replace injection nozzles.
Incorrect fuel injection pressure - Adjust to correct pressure.
The valve clearance is not adjusted - Adjust to proper valve clearance.
Low idle speed setting is incorrect - Adjust low idle speed.
Dirt in the fuel lines or hoses - Clean fuel system lines and hoses.
Cylinder head gasket is damaged - Replace cylinder head gasket.
Damaged or leaking piston rings - Piston rings replacement required.

Engine is overheated

Not enough coolant - Top up coolant fluid and check system for leaks.
Engine oil level is low - Fill the crankcase with engine oil.
Radiator fins are clogged or radiator cap is faulty - Change cap or clean radiator.
Fan belt is broken or worn - Replace as required.
Engine is running overloaded - Load reducing required.

Insufficient oil pressure

Oil level is low - Fill the crankcase with oil.
Oil filter is dirty - Service or replace engine oil filter.
Improper type of engine oil - Drain and refill with oil of correct grade and viscosity.
Crankshaft bearing has excessive oil clearance - Bearing replacement required.
Oil pump malfunction - Repair or change.

Abnormal engine knocking or noise

Engine oil level is insufficient - Need to add engine oil.
Low coolant temperature - Normalize the temperature by warming up the engine.
Fuel injection pump timing is not adjusted - Use the correct fuel injection pump timing adjustment.
Low idle speed adjustment is incorrect - Adjust low idling as recommended.
Dirty or defective injectors - Replace or clean fuel injectors.
Connecting rod is misaligned or defective - Connecting rod needs to be aligned or changed.
Pistons are worn or broken - Replace the pistons.

Transmission Troubleshooting
Low transmission oil pressure

Transmission oil insufficient - Fill the transmission housing with oil.
Transmission fluid filter is clogged (if fitted) - Replace or service transmission fluid filter.
Relief valve malfunction - Replace the valve.

Transmission noises

Insufficient transmission fluid - Fill the transmission housing to proper fluid level.
Transmission oil is contaminated - Change the oil.
Worn gears or incorrect backlash - Adjust backlash correctly or replace the gears.
Bearings are cracked or worn - Faulty bearings should be changed.
Worn or bent shift forks - Install new shift forks.
Shaft splines are worn or stuck - Shaft need to be changed.

Gear hard to shift

Corroded or worn gear shift linkage - Lubricate or replace shift linkage.
Worn or bent shift forks - Change the shift forks.
Worn out parts of the gearshift mechanism - Replace worn parts.
Worn or unadjusted clutch - Replace or adjust clutch.

Transmission fluid leakage

High transmission oil level - Correct the oil level.
Seals or gaskets are broken - Seals and gaskets replacement required.

Hydraulics Troubleshooting
Hydraulic fluid pressure is insufficient

Insufficient hydraulic oil - Need to add oil.
Hydraulic fluid filter element is clogged - Service the hydraulic filter or change if required.
Damaged hydraulic pump - Replace or repair hydraulic fluid pump.
Incorrect setting hydraulic spool valve - Use the correct setting.
Hydraulic cylinder not working - Repair or install a new hydraulic cylinder.
Leaking hydraulic pipes - Check the system and repair leaks.

Hydraulic system is too hot

Main relief valve malfunctioning - Relief valve replacement required.
Hydraulic oil type is wrong - Correct type of oil must be used.
Dirty hydraulic oil - The oil must be changed.
Air trapped in hydraulic system - Bleed air from system.

3-point hitch can't lift or lifts too slowly

Excessive hitch loading - Reduce the load is required.
Low hydraulic oil level - Fill the system to proper hydraulic oil level.
Dirty hydraulic fluid filter - Hydraulic filter maintenance required.
Defective hydraulic pump - Change or repair hydraulic fluid pump.
Main relief valve is defective - Relief valve replacement required.
Hydraulic control valve block is defective - Change or repair hydraulic valve.
Broken hydraulic cylinder - Install a new hydraulic cylinder or repair it.
Loose or broken suction line - Tighten the pipe or replace it.

Hitch won't drop or drops slowly

Hydraulic control valve block is not set properly - Use the proper setting.
Hydraulic cylinder malfunction - Repair or replace hydraulic cylinder.
Unadjusted hitch - Adjustment is required.
Worn hitch rock shaft - Replace the shaft.

Hitch lower or lift is jerky

Air in hydraulic system - Bleed air from hydraulic system.
Dirty hydraulic oil - The oil must be changed.
Faulty hydraulic pump - Replace or repair hydraulic oil pump.
Damaged hydraulic spool valve - Replace or repair the valve.
Hydraulic cylinder failure - Repair or change hydraulic cylinder.

Steering Troubleshooting
Heavy steering

Incorrectly installed or worn steering column - Install the steering column correctly or replace it.
Air lock in hydraulic steering system - Bleed air from system.
Improper toe-in - Check and adjust toe-in.
Tires have uneven wear - Replace the tires.
Steering pump malfunction - Repair or change steering pump.
Stuck or worn pump flow control valve - Change or flush control valve.
Low steering fluid level - Fill the steering system with fluid.

Steering wheel free play is excessive

Steering column coupling or shaft is extremely worn out - Replace faulty component.
Steering pump stopped working - Steering pump needs to be repaired or replaced.
Steering linkage joints are worn or loose - Check and change as required.

Tractor is pulling to right or left

Tire pressure uneven - Inflate the tires correctly.
Incorrect toe-in - Check and adjust toe-in.
Steering linkage assembly is worn or loose - Check and change as required.
Improperly adjusted or worn front wheel bearings - Install new bearings or adjust it correctly.

Electrical Troubleshooting
Battery is not charging

Electrical cable connections are corroded or loose - Clean or tighten wiring connections.
Defective battery terminal clamps - Replace terminal clamps.
Battery bad cell - Battery replacement required.
Defective or loose belt - Belt needs to be adjusted or replaced.

Starter motor turns slow

Low battery output - Battery is drained, recharge it.
Battery won’t hold charge - Battery needs to be serviced or replaced.
Wires are disconnected or battery terminals are corroded - Connect wiring properly or install new terminals.

Starter will not work

Battery is drained or worn - Recharge or change battery.
Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly.
Low battery power - Battery is drained, recharge it.
Starter motor failing - Repair or replace starter.



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