Specifications, Service and Repair of Farm and Lawn Tractors

________________________________________________________________________________

Massey Ferguson 261 Troubleshooting

Massey Ferguson 261 Engine Troubleshooting

Engine starts hard or doesn't start: Dirty fuel filter. Service or replace the filter. Air in the fuel pipes. Bleed the fuel pipes. Defective or clogged injection nozzle. Replace injection nozzles. Fuel injection pump damage. Replace or repair injection pump.

Engine stalls after running: Incorrect adjustment of fuel injection pump timing. Set it up as required. Fuel filter element is dirty. Change the filter element. Coolant temperature is low. Normalize the temperature by warming up the engine.

Engine starts and stops suddenly: Fuel filter element is dirty. Clean or change the filter. Fuel injection pump is not working correctly. Rebuild or change fuel pump. Dirty air filter element. Replace air filter element.

Engine is overheated: Radiator core is clogged or radiator cap is leaking. Replace cap or clean radiator. Insufficient coolant fluid. Add coolant and check the components of cooling system. Fan belt is loose or defective. Belt change is required. Engine oil level low. Checking oil level and add if necessary.

Engine power loss: Faulty or dirty injection nozzles. Install a new kit of correctly balanced nozzles. Fuel lines or hoses are dirty. Fuel hoses and lines must be clean. Air filter plugged. Service air cleaner. Damaged cylinder-head gasket. Gasket should be replaced.

Engine knocking or noise: Engine is not warmed up to the required temperature. Engine is not warmed up to the required temperature. Engine oil level is insufficient. Check oil level and add oil as required. Timing of fuel injection pump is incorrect. Check the fuel injection pump timing adjustment. Pistons are worn or broken. Have pistons replaced. Misaligned or faulty connecting rod. Need to align or replace the connecting rod.

Engine shuts off while idling: Incorrectly adjusted low idle speed. Normalize low idle speed. Valve out of adjustment. Need to adjust valve clearance. Fuel injection pump damage. Replace or repair injection pump.

Low oil pressure: Insufficient engine oil. Checking oil level and add if necessary. Worn oil pump. Check and replace if necessary. Oil filter is dirty. Service or change engine oil filter element.

Massey Ferguson 261 Transmission Troubleshooting

Transmission noises: Incorrect backlash or gears are worn. Install new gears and adjust backlash properly. Worn or bent shift forks. Replace defective shift forks. Shaft splines are damaged or worn. Install a new shaft. Lack of transmission fluid. Add fluid to the transmission housing. Worn or cracked bearings. Faulty bearings should be replaced. Transmission oil contamination. Change the oil.

Hard shifting: Gear shift linkage is rusty or worn. Replace or lubricate the shift linkage. Unadjusted or worn clutch. Replace or adjust clutch. Shift forks are bent or worn out. Shift forks need to be changed. Worn gear shifting mechanism. Repair or change worn components if necessary.

Low transmission pressure: Insufficient transmission fluid. Need to add transmission fluid. Dirty transmission fluid filter (if fitted). Clean or change transmission fluid filter. Relief valve is stuck. Replace relief valve as required.

Transmission fluid leaking: Broken seals or gaskets. Install new components. Too much fluid in transmission. Excess fluid must be drained.

Massey Ferguson 261 Hydraulic System Troubleshooting

Hydraulic system overheated: Incorrect type of hydraulic oil. The correct type of oil must be used. Hydraulic fluid is dirty. Hydraulic fluid change required. Air in hydraulic lines. Bleed hydraulic lines. Main relief valve malfunctioning. Replace relief valve.

Insufficient hydraulic oil pressure: Hydraulic fluid is insufficient. Fill up the hydraulic fluid. Clogged hydraulic oil filter. Change the hydraulic filter element or service if required. Leaks in hydraulic lines. Find leaks in the system and fix it. Incorrect adjusted hydraulic control valve. Adjust correctly. Hydraulic pump failure. Replace or repair hydraulic fluid pump. Hydraulic cylinder not working. Install a new hydraulic cylinder or repair it.

Hitch not lifting or hitch lifts slowly: Defective hydraulic pump. Change or repair hydraulic fluid pump. Main relief valve is damaged. Relief valve need to be replaced. Hydraulic spool valve is defective. Change or repair hydraulic valve. Hydraulic cylinder malfunction. Install a new hydraulic cylinder or repair it. Low hydraulic oil level. Need to add oil. Dirty hydraulic fluid filter element. Replace filter element or clean if required. Hitch is under excessive load. Reduce hitch load.

Hitch not lowering or hitch lowers slowly: Hydraulic cylinder is defective. Change or repair hydraulic cylinder. Incorrect setting hydraulic spool valve. Use the correct setting. Worn hitch rock shaft. Change the shaft. Misadjusted hitch. Adjust the 3-point hitch.

Jerky lowering or lifting of the hitch: Dirty hydraulic oil. The oil must be changed. Defective hydraulic pump. Replace or repair hydraulic oil pump. Air in hydraulic lines. Bleed hydraulic lines. Faulty hydraulic control valve. Replace or repair the valve. Faulty hydraulic cylinder. Change or repair hydraulic cylinder.

Massey Ferguson 261 Steering System Troubleshooting

Excessive steering wheel play: Worn steering column shaft or coupling. Replace defective component. Faulty steering pump. Check the steering pump and replace if necessary. Steering linkage assembly is worn or loose. Repair or replace steering linkage. Hydrostatic steering unit is defective or worn. Repair or change the steering unit.

Steering wheel is difficult to turn: Air trapped inside steering system. Need to bleed air. Dirty steering filter element. Clean or replace the element. Lack of steering oil. Fill the steering system with oil. Hydrostatic steering unit is worn or defective. Inspect and change as required. Defective hydraulic steering pump. Replace or repair steering pump. Stuck or worn pump flow control valve. Service or replace flow control valve. Damaged or incorrectly assembled steering column. Replace steering column or assemble correctly. Front tyres are worn unevenly. Install new tyres. Improper toe-in. Check toe-in and correct. Leaking steering cylinder. Replace damaged piston seals or worn piston rod.

Tractor pulls to left or right: Hydrostatic steering unit has malfunction or wear. Inspect and replace as required. Steering cylinder malfunction. Repair or change steering cylinder. Not adjusted toe-in. Check and adjust toe-in. Steering linkage components are loose or worn. Check and change as required. Defective or improperly adjusted front wheel bearings. Adjust correctly or replace bearings. Tires have uneven wear. Replace the tires.

Massey Ferguson 261 Electrical System Troubleshooting

Battery does not charge: Corroded or loose wire connections. Tighten or clean connections. Electrical terminal connectors are defective. Terminal connectors should be replaced. Faulty cell in battery. Change the battery. Belt is worn or loose. Belt needs to be adjusted or changed.

Starter turns slowly: Low battery capacity. Battery is drained, recharge it. Battery is draining quickly. Service battery or change it. Bad terminals or disconnected battery cables. Connect wires correctly or change terminals.

Starter doesn't crank: Battery is drained or defective. Charge or replace the battery. Wiring harness is disconnected or improperly connected. Check wiring harness and connect as required. Battery power is low. Battery is drained, recharge it. Starter motor failing. Repair or change starter.

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________

________________________________________________________________________________________