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| Home / Farm Tractors / Case IH Tractors / Case IH 795XL |
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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| Farm Tractors Technical Specifications |