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Massey Ferguson 3525 Troubleshooting

Massey Ferguson 3525 Engine Troubleshooting

Engine starts hard or will not start: Dirty fuel filter. Clean or change the filter. Air in the fuel system. Air bleeding. Clogged or burnt injection nozzle. Inspect nozzles and replace if necessary. Fuel injection pump is damaged. Replace or rebuild injection pump.

Engine stops running suddenly: Improper fuel injection timing. Check the fuel injection pump timing adjustment. Clogged fuel filter. Clean the filter or install new filter element. Low coolant temperature. Engine is not warmed up to the required temperature.

Diesel starts but stalls suddenly: Dirty fuel filter. Replace filter element. Fuel injection pump is broken. Rebuild or replace pump. Plugged air filter. Replace air filter element.

Engine overheating: Clogged radiator core or leaking radiator cap. Clean radiator or replace cap. Not enough coolant. Add coolant and check the components of cooling system. Loose or defective fan belt. Change as required. Insufficient engine oil. Need to add engine oil.

Diesel engine loses power: Clogged or burnt injection nozzle. Clean or change injection nozzles. Fuel hoses or lines are clogged. Fuel lines and hoses need to be cleaned. Dirty air filter. Replace air filter element. Cylinder head gasket is blown. Change cylinder head gasket.

Engine noises or knocks: Engine is not preheated. Warm up engine as required. Lack of engine oil. Checking oil level and add if necessary. Improper fuel injection timing. Adjust the pump as required. Scored or worn pistons. Replace the pistons. Misaligned or defective connecting rod. Alignment procedure or replacement is required.

Engine stalls at low idle speed: Low idle speed setting is incorrect. Correct low idle settings. Incorrect valve clearance. Correct valve clearance needs to be set. Fuel injection pump is defective. Rebuild or replace pump.

Low oil pressure: Not enough oil in the engine. Add oil as required. Worn oil pump. Remove and inspect oil pump. Oil filter clogged. Clean or change engine oil filter.

Massey Ferguson 3525 Transmission Troubleshooting

Transmission makes excessive noise: Defective gears or improper backlash. Install new gears and adjust backlash properly. Worn or bent shift forks. Shift forks need to be replaced. Worn or damaged shaft splines. Shaft need to be changed. Transmission oil insufficient. Need to add transmission oil. Worn or damaged bearings. Replace faulty bearings. Transmission oil contamination. Change the oil.

Gears are hard to shift: Gear shift linkage is worn or rusty. Lubricate or replace the shift linkage. Malfunction or incorrect clutch adjustment. Adjust clutch or change if necessary. Shift forks are bent or worn out. Install new shift forks. Gearshift mechanism is damaged. Replace or repair the mechanism.

Low transmission pressure: Transmission fluid insufficient. Need to add transmission fluid. Dirty transmission fluid filter (if fitted). Service or change transmission fluid filter. Relief valve malfunction. Install a new valve.

Transmission fluid leakage: Damaged gaskets or seals. Gaskets or seal replacement required. Too much oil in transmission. Drain the excess oil.

Massey Ferguson 3525 Hydraulic System Troubleshooting

Hydraulics overheating: Incorrect type of hydraulic oil. The correct type of oil must be used. Contaminated hydraulic fluid. Change hydraulic fluid. Air in hydraulic lines. Bleed hydraulic lines. Defective main relief valve. Change relief valve.

Hydraulic oil pressure is insufficient: Low hydraulic fluid level. Fill up the hydraulic fluid. Clogged hydraulic fluid filter. Replace hydraulic filter element or service if necessary. Leaks in hydraulic pipes. Check the system and repair leaks. Incorrect setting hydraulic control valve. Use the correct adjustment. Hydraulic pump failure. Repair or replace hydraulic oil pump. Hydraulic cylinder is faulty. Repair or change hydraulic cylinder.

3-point hitch cannot be raised or raising is too slowly: Hydraulic pump failure. Replace or repair hydraulic fluid pump. Main relief valve is faulty. Change relief valve. Faulty hydraulic spool valve. Repair or replace hydraulic valve. Hydraulic cylinder not working. Repair or replace hydraulic cylinder. Insufficient hydraulic oil. Check and refill the hydraulic oil. Clogged hydraulic fluid filter. Install a new hydraulic filter element. Hitch is under excessive load. Load needs to be reduced.

Hitch not lowering or hitch lowers slowly: Hydraulic cylinder failure. Repair or replace hydraulic cylinder. Incorrect adjusted hydraulic spool valve. Adjust the spool valve correctly. Worn hitch rock shaft. Replace the shaft. 3-point hitch is out of adjustment. Adjustment is required.

Hitch lowering or lifting is jerky: Hydraulic fluid is dirty. Hydraulic fluid change required. Hydraulic pump not working. Install a new hydraulic oil pump. Air trapped in hydraulic system. Bleed air from system. Hydraulic spool valve is damaged. Install a new valve or repair it. Hydraulic cylinder not working. Repair or change hydraulic cylinder.

Massey Ferguson 3525 Steering System Troubleshooting

Steering wheel free play is excessive: Steering column coupling or shaft is worn. Change defective part. Steering pump malfunction. Replace or repair steering pump. Loose or worn steering linkage parts. Change or repair steering linkage. Faulty or worn hydrostatic steering unit. Repair or change the steering unit.

Stiff steering: Air trapped inside steering system. Bleed the steering system. Dirty steering filter element. Steering filter need to be replaced. Lack of steering oil. Fill the steering system with oil. Hydrostatic steering unit has damage or wear. Repair or change the steering unit. Worn steering pump. Check the steering pump and replace if necessary. Steering pump control valve is worn or stuck. Flush or change flow control valve. Improperly fitted or damaged steering column. Refit or change the steering column. Uneven tyre pressure. Inflate the tyres properly. Improper toe-in. Adjust toe-in wheels. Steering cylinder leakage. Replace scratched piston rod or worn cylinder seals.

Tractor pulls to right or left: Hydrostatic steering unit has damage or wear. Change or repair steering unit if required. Steering cylinder is damaged. Change or repair hydraulic steering cylinder. Improper toe-in. Adjust toe-in wheels. Loose or worn steering linkage components. Inspect and replace as required. Improperly adjusted or worn front wheel bearings. Adjust correctly or install new bearings. Tyre pressure is uneven. Adjust the tyre pressure.

Massey Ferguson 3525 Electrical System Troubleshooting

Battery cannot be charged: Electrical cable connections are loose or corroded. Tighten or clean connections. Battery terminal clamps are defective. Install new terminal clamps. Battery faulty cell. Change the battery. Loose or damaged belt. Belt needs to be adjusted or replaced.

Starter motor turns slow: Battery voltage is low. Charge the battery. Battery won’t hold charge. Service charging system or change battery. Disconnected wiring or bad battery terminals. Connect cables correctly or replace terminals.

Starter will not crank: Battery is low or faulty. Recharge or change battery. Wiring harness is disconnected or improperly connected. Check wiring harness and connect as required. Low battery output. Low battery charging, charge as required. Faulty starter motor. Starter needs to be changed.