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Massey Ferguson 492 Troubleshooting

Massey Ferguson 492 Engine Troubleshooting

Engine starts hard or will not start: Fuel filter element is clogged. Filter maintenance required. Air in fuel tank. Bleed fuel tank. Fuel injection nozzles are damaged. If necessary, replace with a new nozzle. Fuel injection pump is not working correctly. Repair or install a new fuel pump.

Engine stalls after running: Wrong setting of fuel injection pump timing. Set it up as required. Fuel filter plugging. Change filter element. Engine has not warmed up to the recommended temperature. Normalize the temperature by warming up the engine.

Diesel starts but stalls suddenly: Fuel filter element clogging. Clean or change the filter. Fuel injection pump is damaged. Replace or repair injection pump. Dirty air filter element. Replace air filter element.

Engine overheating: Defective radiator cap or clogged radiator core. Install new cap or clean radiator. Engine has a lack of coolant. Fill the cooling system and check components for leaks or other faults. Loose or defective fan belt. Belt replacement is recommended. Engine oil level low. Check and refill engine oil.

Diesel power loss: Damaged or dirty injection nozzles. Check and replace nozzles if required. Clogged fuel hoses or lines. Service fuel hoses and lines. Intake air restriction. Service air cleaner. Damaged cylinder-head gasket. Cylinder-head gasket replacement required.

Engine knocks or noises: Engine is not preheated. Warm up engine as required. Low engine oil level. Add oil to the engine crankcase. Incorrect adjustment of fuel injection pump timing. Adjust the pump as required. Piston wear or scoring. Pistons need to be replaced. Connecting rod is misaligned or defective. Align or replace connecting rod.

Engine stalls while idle: Low idle speed adjustment is incorrect. Adjust low idling as recommended. Excessive valve clearance. Adjust valve clearance according to specifications. Defective fuel injection pump. Rebuild or change fuel pump.

Insufficient oil pressure: Not enough oil in the engine. Fill crankcase to proper oil level. Oil pump failure. Inspect and change as required. Clogged oil filter element. Replace or clean engine oil filter element.

Massey Ferguson 492 Transmission Troubleshooting

Transmission makes excessive noise: Gears are damaged or backlash is incorrect. Adjust backlash properly or replace the gears. Worn or damaged gear shift forks. Replace defective shift forks. Damaged or worn shaft splines. Change defective shaft. Lack of transmission oil supply. Need to add transmission oil. Worn or cracked bearings. Bearings need to be changed. Transmission oil contamination. Transmission oil change required.

Difficult to shift gears: Stuck or worn gear shift linkage. Shift linkage need to be replaced. Clutch is faulty or misadjusted. Clutch needs to be adjusted or changed. Worn or bent shift forks. Replace defective shift forks. Gearshift mechanism malfunction. Identify and replace failed parts.

Low transmission fluid pressure: Lack of transmission fluid. Need to add transmission fluid. Dirty transmission fluid filter (if fitted). Replace or service transmission fluid filter. Relief valve failure. Change relief valve.

External oil leaks: Damaged seals or gaskets. Gaskets or seal need to be replaced. Transmission oil level is exceeded. Correct the oil volume.

Massey Ferguson 492 Hydraulics Troubleshooting

Excessive hydraulic system heat: Incorrect hydraulic oil type. Use the correct type of hydraulic oil. Dirty hydraulic oil. The oil must be changed. Air in hydraulic system. Bleed air from hydraulic system. Defective main relief valve. Change relief valve.

Insufficient hydraulic oil pressure: Hydraulic fluid is insufficient. Fill the system to proper hydraulic fluid level. Hydraulic oil filter is clogged. Change the hydraulic filter element or service if required. Leaks in hydraulic lines. Find leaks in the system and fix it. Not adjusted hydraulic spool valve. Need to adjust spool valve. Damaged hydraulic pump. Repair or replace hydraulic fluid pump. Broken hydraulic cylinder. Change or repair hydraulic cylinder.

Hitch not lifting or hitch lifts slowly: Hydraulic pump is faulty. Replace or repair hydraulic oil pump. Main relief valve malfunctioning. Relief valve replacement required. Hydraulic control valve block is defective. Repair or replace the valve. Hydraulic cylinder malfunction. Repair or install a new hydraulic cylinder. Low hydraulic oil level. Fill the system to proper hydraulic oil level. Hydraulic fluid filter element is clogged. Hydraulic filter maintenance required. Excessive load on hitch. Reduce the load is required.

Hitch not lowering or hitch lowers slowly: Defective hydraulic cylinder. Change or repair hydraulic cylinder. Hydraulic control valve block is set improperly. Set properly. Hitch rock shaft is damaged. Replace the shaft. Misadjusted hitch. The 3-point hitch must be adjusted.

Hitch drop or lift is jerky: Hydraulic fluid is dirty. Hydraulic fluid change required. Hydraulic pump is defective. Replace or repair hydraulic oil pump. There is air in the hydraulic system. Bleed hydraulic system. Defective hydraulic spool valve block. Repair or replace the valve. Hydraulic cylinder malfunction. Replace or repair hydraulic cylinder.

Massey Ferguson 492 Steering System Troubleshooting

Excessive play in steering: Steering column shaft or coupling has maximum wear. Replace faulty part. Hydraulic steering pump is defective. Repair or change steering pump. Steering linkage assembly is worn or loose. Check and replace as required. Defective or worn power steering control valve. Replace or repair steering control valve as required.

Steering wheel is hard to turn: Air lock in hydraulic steering system. Bleed air. Clogged steering filter element. Clean or replace filter element. Low steering oil level. Fill up the steering oil. Power steering control valve is defective or worn. Replace or repair steering control valve as required. Worn steering pump. Repair or change steering pump. Stuck or faulty steering pump control valve. Flush or change flow control valve. Improperly mounted or worn steering column. Mount the steering column as required or change it. Tires have uneven wear. Replace the tires. Incorrect toe-in. Adjust toe-in wheels. Steering cylinder leakage. Replace worn cylinder seals or scratched piston rod.

Tractor is pulling to left or right: Power steering control valve is damaged or worn. Change or repair steering control valve if required. Steering cylinder is damaged. Repair or change steering cylinder. Incorrect toe-in. Adjust toe-in properly. Steering linkage components are loose or worn. Replace or repair steering linkage. Worn or incorrectly adjusted or worn front wheel bearings. Install new bearings or adjust it correctly. Uneven wear on front tyres. Replace the tyres.

Massey Ferguson 492 Electrical Troubleshooting

Battery will not charge: Loose or corroded electrical wiring connections. Clean or tighten connections. Battery terminal connectors are faulty. Terminal connectors should be replaced. Worn-out battery. Battery replacement required. Loose or defective belt. Replace belt or adjust belt tension.

Starter cranks slow: Battery voltage is low. Battery is drained, charge it. Battery runs out quickly. Service battery or replace it. Disconnected wiring or bad battery terminals. Check battery wires and service or replace terminals.

Starter motor won't turn: Battery is discharged or defective. Replace or charge as required. Wiring harness is disconnected or improperly connected. Check wiring harness and connect as required. Low battery output. Low battery charging, charge as required. Starter motor is defective. Starter needs to be changed.