Specifications, Service and Repair of Farm and Lawn Tractors

________________________________________________________________________________

Massey Ferguson 250 Troubleshooting

Massey Ferguson 250 Diesel Engine Troubleshooting

Engine difficult to start or will not start: Dirty fuel filter. Service the filter. Air trapped in fuel system. Bleed air. Dirty or faulty injection nozzles. Test injection nozzles and change if necessary. Damaged fuel injection pump. Repair or install new pump.

Engine stalls during operation: Fuel injection pump timing is wrong. Adjust the pump as required. Fuel filter plugging. Clean or replace the filter. Low coolant temperature. Warm up engine as required.

Engine starts but then stops: Fuel filter element is dirty. Replace filter element. Fuel injection pump malfunction. Replace or rebuild injection pump. Air cleaner is dirty. Install new air filter element.

Engine is overheated: Damaged radiator cap or dirty radiator core. Clean radiator or change cap. Insufficient coolant fluid. Top up coolant fluid and check system for leaks. Fan belt slipping or worn. If necessary, replace the belt. Lack of engine oil. Fill up the engine oil.

Low engine power: Dirty or damaged injection nozzles. Check and replace nozzles if required. Fuel lines or hoses clogging. Service fuel lines and hoses. Plugged air cleaner. Install new air filter element. Defective cylinder head gasket. Replace the gasket as required.

Engine knocks or noises: Engine not warmed up. Warm up engine as required. Lack of engine oil. Checking oil level and add if necessary. Incorrect adjustment of fuel injection pump timing. Set up as recommended. Pistons are scored or worn. Pistons replacement required. Misaligned or defective connecting rod. Alignment procedure or replacement is required.

Engine stalls at low idle speed: Incorrectly set low idle speed. Adjust low idling as recommended. The valve clearance is not adjusted. Correct valve clearance needs to be set. Fuel injection pump is broken. Rebuild or replace pump.

Oil pressure is insufficient: Low oil level. Checking oil level and add if necessary. Oil pump is worn or damaged. Replace as required. Dirty oil filter. Service or replace engine oil filter.

Massey Ferguson 250 Transmission Troubleshooting

Excessive transmission noise: Worn gears or incorrect backlash. Adjust backlash correctly or replace the gears. Worn or bent gear shift forks. Change defective shift forks. Shaft splines are worn or damaged. Shaft need to be replaced. Low fluid level. Checking transmission fluid level and add if necessary. Bearings are damaged or worn. Change the bearings. Transmission oil contamination. Transmission oil change required.

Hard shifting: Gear shift linkage is worn or rusty. Install new shift linkage. Malfunction or incorrect clutch adjustment. Change or adjust clutch. Shift forks are worn or bent. Replace defective shift forks. Defective parts in the gearshift mechanism. Replace defective parts.

Insufficient transmission oil pressure: Transmission fluid insufficient. Fill the transmission housing to proper fluid level. Clogged transmission oil filter element (if fitted). Service or replace the transmission oil filter. Defective relief valve. Replace relief valve as required.

Transmission oil leaks: Seals or gaskets are worn. Install new seal or gaskets. High transmission oil level. Correct the oil level.

Massey Ferguson 250 Hydraulics Troubleshooting

Hydraulic system is overheated: Wrong hydraulic fluid type. Pour the proper type of fluid. Hydraulic fluid is contaminated. Fill up with new hydraulic fluid. Air in the hydraulic system. Air bleeding. Main relief valve is damaged. Change relief valve.

Hydraulic fluid pressure is low: Hydraulic oil level low. Checking hydraulic oil level and add if necessary. Dirty hydraulic fluid filter. Service or replace the hydraulic filter. Leaking hydraulic pipes. Inspect the system for leaks and fix it. Incorrect setting hydraulic spool valve. Use the correct setting. Hydraulic pump failure. Replace or repair hydraulic oil pump. Damaged hydraulic cylinder. Repair or replace hydraulic cylinder.

3-point hitch won't lift or lifts slowly: Hydraulic pump is faulty. Install a new hydraulic oil pump. Defective main relief valve. Relief valve need to be replaced. Hydraulic control valve block is damaged. Replace or repair the valve. Faulty hydraulic cylinder. Repair or install a new hydraulic cylinder. Insufficient hydraulic fluid. Add fluid as required. Hydraulic oil filter is clogged. Hydraulic filter maintenance required. Hitch is under excessive load. Reduce the load is required.

Hitch not lowering or hitch lowers slowly: Broken hydraulic cylinder. Replace or repair hydraulic cylinder. Incorrect adjusted hydraulic control valve. Adjust correctly. Damaged hitch cross shaft. Change the shaft. 3-point hitch is out of adjustment. The three-point hitch must be adjusted.

Jerky lowering or lifting of the hitch: Hydraulic fluid is contaminated. Fill up with new hydraulic fluid. Damaged hydraulic pump. Install a new hydraulic oil pump. There is air in the hydraulic system. Bleed hydraulic system. Hydraulic spool valve block is defective. Replace or repair the valve. Broken hydraulic cylinder. Repair or replace hydraulic cylinder.

Massey Ferguson 250 Steering Troubleshooting

Excessive free play of steering wheel: Worn steering column shaft or coupling. Replace defective part. Worn steering pump. Steering pump needs to be repaired or replaced. Worn or loose steering linkage joints. Inspect and change as required. Worn or defective steering control valve. Inspect and replace as required. Steering box parts are damaged. Replace defective parts of power steering box.

Difficult steering: Air lock in hydraulic steering system. Air-bleed steering system. Steering filter clogging. Change steering filter element. Insufficient steering fluid. Fill up the steering fluid. Steering control valve is damaged or worn. Replace or repair steering control valve as required. Steering box parts are damaged. Repair power steering box. Steering pump stopped working. Repair or change steering pump. Stuck or faulty steering pump control valve. Clean or install new control valve. Incorrectly mounted or defective steering column. Mount the steering column correctly or replace it. Front tyres are worn unevenly. Install new tyres. Improper toe-in. Check toe-in and correct. Steering cylinder leaks. Change worn piston rod or damaged cylinder seals.

Tractor is pulling to right or left: Steering box parts have malfunctions. Repair power steering box. Steering control valve has wear or damage. Change or repair steering control valve if required. Steering cylinder malfunction. Change or repair hydraulic steering cylinder. Not adjusted toe-in. Check and adjust toe-in. Worn or loose steering linkage joints. Change or repair steering linkage. Improperly adjusted or worn front wheel bearings. Adjust correctly or change bearings. Uneven wear on front tyres. Replace the tyres.

Massey Ferguson 250 Electrical Troubleshooting

Battery does not charge: Loose or corroded electrical wiring connections. Tighten or service cable connections. Defective electrical terminal connectors. Replace terminal connectors. Battery failing. Replace the battery. Loose or defective belt. Belt needs to be adjusted or changed.

Starter cranks slowly: Low battery capacity. Battery is drained, recharge it. Battery won’t hold charge. Service charging system or install new battery. Battery terminals are corroded or wires are disconnected. Check wiring and clean or replace terminals.

Starter will not work: Battery is discharged or worn. Battery needs to be recharged or replaced. Wiring harness is disconnected or improperly connected. Check wiring harness and connect as required. Battery voltage is low. Battery needs to be recharged. Starter motor is damaged. Starter needs to be replaced.

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________