Specifications, Service and Repair of Farm and Lawn Tractors

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Massey Ferguson 1526 Troubleshooting

Massey Ferguson 1526 Engine Troubleshooting

Engine starts up hard or won't start: Fuel filter plugging. Replace the filter element. Air in fuel system. Bleed fuel system. Dirty or faulty injection nozzles. Clean or change injection nozzles. Damaged fuel injection pump. Install a new fuel pump or repair.

Engine shuts off suddenly while running: Wrong setting of fuel injection pump timing. Use the correct fuel injection pump timing adjustment. Dirty fuel filter. Filter maintenance required. Engine is not preheated. Warm up the engine.

Engine starts and stops suddenly: Fuel filter plugged. Service or replace the filter. Fuel injection pump is broken. Install a new pump or rebuild. Dirty air filter. Clean or change.

Engine is overheated: Radiator core is clogged or radiator cap is leaking. Replace cap or clean radiator. Not enough coolant. Fill the cooling system and check components for leaks or other faults. Fan belt is broken or worn. The fan belt needs to be replaced. Low engine oil level. Checking oil level and add if necessary.

Reduced engine power: Defective or clogged injection nozzle. Inspect nozzles and replace if necessary. Fuel hoses or lines clogging. Clean fuel lines and hoses. Air filter element clogged. Replace air filter element. Worn cylinder head gasket. Cylinder-head gasket replacement required.

Engine noises or knocks: Engine is not warmed up to the required temperature. Engine is not warmed up to the required temperature. Insufficient engine oil. Need to add engine oil. Fuel injection pump timing is not adjusted. Adjust according to specifications. Pistons are broken or worn. Replace the pistons. Faulty or misaligned connecting rod. Align or change connecting rod.

Engine stalls while idle: Incorrect low idle setting. Correct low idle settings. Improper valve clearance. Adjust valve clearance. Fuel injection pump failure. Change or repair the pump.

Oil pressure is insufficient: Insufficient engine oil. Fill up the engine oil. Worn oil pump. Check and replace if necessary. Plugged engine oil filter. Service or replace engine oil filter.

Massey Ferguson 1526 Hydrostatic Transmission Troubleshooting

Hydrostatic transmission noise: Worn or unadjusted speed control linkage. Repair or adjust linkage. Transmission is under excessive load. Load needs to be reduced. Fluid is contaminated or fluid level is insufficient. Fill to required level or change the fluid. Stuck relief valve. Replace relief valve as required. Damaged or worn components of hydrostatic transmission. Replace or repair defective components.

Transmission oil over heats: Excessive loading. Reduce transmission load. Clogged or damaged cooling components. Inspect all cooling components and replace or clean if necessary. Low oil level. Check transmission oil level and add oil as required. Transmission fluid filter is clogged. Replace or service transmission fluid filter.

Loss of power: Transmission oil insufficient. Fill up the transmission oil. Stuck relief valve. Install a new relief valve. Worn or unadjusted speed control linkage. Replace or adjust linkage.

Transmission fluid leaking: Plugged transmission fluid return tube. Service or replace return tube. Damaged seals or gaskets. Seals and gaskets need to be replaced. High internal transmission case pressure. Repair or replace damaged components.

Massey Ferguson 1526 Hydraulic System Troubleshooting

Hydraulic system overheating: Hydraulic oil type is wrong. Correct type of oil must be used. Hydraulic oil is dirty. Hydraulic oil change required. Air in hydraulic system. Bleed air from hydraulic system. Main relief valve failure. Change relief valve.

Insufficient hydraulic fluid pressure: Insufficient hydraulic fluid. Fill the system to proper hydraulic fluid level. Hydraulic oil filter is clogged. Replace filter element or clean if required. Leaking hydraulic pipes. Inspect hydraulic system for leaks and repair it. Hydraulic control valve block is out of adjustment. Control valve needs to be adjusted. Hydraulic pump failure. Repair or replace hydraulic fluid pump. Hydraulic cylinder malfunction. Change or repair hydraulic cylinder.

Hitch not raising or hitch raises slowly: Faulty hydraulic pump. Install a new hydraulic fluid pump. Main relief valve is defective. Change relief valve. Faulty hydraulic spool valve. Repair or replace the valve. Hydraulic cylinder is broken. Repair or change hydraulic cylinder. Hydraulic oil is insufficient. Need to add oil. Clogged hydraulic fluid filter. Clean or change hydraulic filter. Excessive loading on the hitch. Reduce hitch load.

Hitch cannot be dropped or dropping is too slow: Damaged hydraulic cylinder. Repair or change hydraulic cylinder. Incorrect setting hydraulic spool valve. Use the correct setting. Worn lift arm shaft. Install a new shaft. The hitch is not adjusted. Adjust the 3-point hitch.

Hitch jerks when drop or lift: Hydraulic fluid contamination. Change hydraulic fluid. Hydraulic pump not working. Replace or repair hydraulic fluid pump. Air in hydraulic pipes. Bleed hydraulic pipes. Hydraulic control valve block is faulty. Replace or repair the valve. Damaged hydraulic cylinder. Repair or replace hydraulic cylinder.

Massey Ferguson 1526 Steering System Troubleshooting

Excessive steering wheel play: Steering column coupling or shaft is extremely worn out. Replace defective component. Steering pump not working. Install a new hydraulic steering pump. Steering linkage parts are loose or worn. Check and replace as required. Faulty or worn power steering control valve. Replace or repair steering control valve as required.

Steering is difficult: Air trapped inside steering system. Need to bleed air. Steering filter is plugged. Clean or replace the element. Not enough steering fluid. Fill up steering fluid to required level. Power steering control valve has wear or damage. Check and replace as required. Steering pump not working. Repair or change steering pump. Pump flow control valve is stuck or worn. Install a new flow control valve or clean it. Incorrectly assembled or damaged steering column. Reassemble the steering column correctly or change it. Front tires wear unevenly. Change the tires. Improper toe-in. Adjust toe-in wheels. Steering cylinder leaks. Replace scratched piston rod or worn cylinder seals.

Tractor pulls to left or right: Worn or damaged power steering control valve. Repair or change the steering control valve. Damaged steering cylinder. Change or repair hydraulic steering cylinder. Not adjusted toe-in. Check toe-in and correct. Steering linkage components are loose or worn. Repair or replace steering linkage. Front wheel bearings are worn or incorrectly adjusted. Replace the bearings or adjust it properly. Front tires are worn unevenly. Install new tires.

Massey Ferguson 1526 Electrical System Troubleshooting

Battery does not charge: Electrical wire connections are corroded or loose. Tighten or clean connections. Defective electrical terminal connectors. Change terminal connectors. Dead cell in battery. Battery change required. Loose or defective belt. Adjust belt tension or change the belt.

Starter cranks slowly: Low battery output. Battery is drained, charge it. Battery discharges quickly. Battery needs service or replacement. Disconnected cables or faulty battery terminals. Connect wiring properly or install new terminals.

Starter is not cranking: Battery is drained or worn. Change or recharge battery. Wiring is incorrectly connected or disconnected. Inspect wiring and connect correctly. Battery capacity is low. Battery is drained, recharge it. Starter motor is damaged. Replace or repair starter.

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