Specifications, Service and Repair of Farm and Lawn Tractors

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Massey Ferguson 1726E Troubleshooting

Massey Ferguson 1726E Engine Troubleshooting

Engine hard to start or will not start: Clogged fuel filter. Service or replace the filter. Air trapped in fuel system. Bleed air. Defective injection nozzle. Clean or replace injection nozzles. Fuel injection pump damage. Repair or replace injection pump.

Diesel shuts off while driving: Improper fuel injection timing. Adjust as recommended. Fuel filter element is clogged. Change filter element. Engine is not preheated. Warm up to required temperature.

Engine starts but then stops: Fuel filter element is clogged. Clean or replace the filter. Fuel injection pump malfunctioning. Rebuild or change fuel pump. Dirty air filter. Replace air filter element.

Engine overheated: Radiator fins are dirty or radiator cap is defective. Clean radiator or change cap. Lack of engine coolant. The cooling system needs to be refilled and checked for faults. Fan belt slipping or worn. Replace the fan belt. Insufficient engine oil. Need to add engine oil.

Loss of engine power: Fuel injection nozzles are damaged or dirty. Check and replace nozzles if required. Dirt in the fuel hoses or lines. Clean fuel hoses and lines. Dirty air filter. Clean or change the filter. Damaged cylinder-head gasket. Install new cylinder head gasket.

Abnormal engine knocking or noise: Engine is not preheated. Warm up to required temperature. Insufficient engine oil. Check and refill engine oil. Wrong setting of fuel injection pump timing. Check the fuel injection pump timing adjustment. Worn or broken pistons. Have pistons replaced. Connecting rod is not aligned or defective. Align or change connecting rod.

Engine stalls while idle: Low idle speed set incorrectly. Adjust as required. Valve clearance is out of adjustment. Correct valve clearance. Fuel injection pump is defective. Repair or change injection pump.

Oil pressure is insufficient: Lack of oil. Check oil level and add oil as required. Worn oil pump. Replace as required. Plugged engine oil filter. Replace or clean engine oil filter element.

Massey Ferguson 1726E Transmission Troubleshooting

Transmission is excessively noisy: Worn gears or incorrect backlash. Change worn gears or adjust backlash correctly. Worn or bent gear shift forks. Shift forks need to be replaced. Shaft splines are damaged or worn. Replace the shaft. Insufficient transmission fluid. Fill the transmission housing to proper fluid level. Bearings are damaged or worn. Replace faulty bearings. Transmission oil contamination. Transmission oil change required.

Difficult to shift gears: Corroded or worn gear shift linkage. Install new shift linkage. Clutch is out of adjustment or defective. Change or adjust clutch. Damaged or worn gear shift forks. Change the shift forks. Gearshift mechanism is damaged. Replace or repair the mechanism.

Low transmission fluid pressure: Transmission fluid insufficient. Check and refill the transmission fluid. Clogged transmission fluid filter (if equipped). Service or replace the transmission fluid filter. Relief valve malfunction. Replace the valve.

Transmission oil leaks: Broken seals or gaskets. Gaskets or seal need to be replaced. Transmission fluid level is high. Correct the fluid level.

Hydrostatic Transmission Troubleshooting

Excessive hydrostatic transmission noise: Speed control linkage is worn or unadjusted. Adjust or change linkage. Transmission is under excessive load. Reduce loading. Low transmission oil level or contaminated oil. Fill to required level or change the transmission oil. Relief valve malfunction. Change relief valve. Worn or defective transmission components. Change or repair defective parts.

Transmission fluid overheated: Transmission is under excessive load. Load needs to be reduced. Plugged or defective cooling components. Inspect all cooling components and service or change if necessary. Lack of transmission oil supply. Fill the transmission housing with oil. Transmission fluid filter is clogged. Replace or service transmission fluid filter.

Loss of power: Lack of transmission oil supply. Add oil to the transmission housing. Relief valve failure. Replace valve as required. Speed control linkage is defective or unadjusted. Repair or adjust linkage.

Transmission fluid leaks: Oil drain pipe is plugged. Check pipe and service if necessary. Damaged gaskets or seals. Seals and gaskets need to be replaced. High internal transmission case pressure. Change defective parts.

Massey Ferguson 1726E Hydraulic System Troubleshooting

Hydraulic system is too hot: Improper hydraulic oil type. The proper type of hydraulic oil must be used. Hydraulic fluid contamination. Change hydraulic fluid. Air in hydraulic lines. Bleed hydraulic lines. Defective main relief valve. Change relief valve.

Hydraulic fluid pressure is low: Hydraulic oil is insufficient. Check and refill the hydraulic oil. Clogged hydraulic oil filter. Service or replace the hydraulic filter. Leaks in hydraulic lines. Check the hydraulic system and fix leaks. Not adjusted hydraulic control valve. Need to adjust. Hydraulic pump malfunction. Change or repair hydraulic fluid pump. Defective hydraulic cylinder. Repair or change hydraulic cylinder.

Hitch can't lift or lifts too slowly: Hydraulic pump not working. Change or repair hydraulic oil pump. Main relief valve failure. Replace relief valve. Defective hydraulic spool valve block. Install a new hydraulic valve or repair it. Hydraulic cylinder is faulty. Install a new hydraulic cylinder or repair it. Low hydraulic oil level. Fill the system to proper hydraulic oil level. Dirty hydraulic oil filter element. Clean or replace the hydraulic filter. Excessive load on hitch. Load needs to be reduced.

Three-point hitch cannot be dropped or dropping is too slow: Hydraulic cylinder is faulty. Repair or replace hydraulic cylinder. Not adjusted hydraulic control valve. Need to adjust. Worn hitch cross shaft. Install a new shaft. Hitch is out of adjustment. Adjust three-point hitch as required.

Hitch jerks when drop or lift: Contaminated hydraulic oil. Change hydraulic oil. Damaged hydraulic pump. Change or repair hydraulic fluid pump. Air in hydraulic lines. Bleed hydraulic lines. Hydraulic control valve is defective. Install a new hydraulic valve or repair it. Hydraulic cylinder not working. Install a new hydraulic cylinder or repair it.

Massey Ferguson 1726E Steering System Troubleshooting

Excessive steering wheel play: Worn steering column shaft or coupling. Replace defective component. Defective hydraulic steering pump. Install a new hydraulic steering pump. Steering linkage assembly is worn or loose. Inspect and replace as required. Hydrostatic steering unit is damaged or worn. Inspect and change as required.

Steering is hard: Air in steering hydraulic system. Bleed the steering system. Clogged steering filter element. Steering filter need to be replaced. Steering fluid level is insufficient. Add oil to steering system. Hydrostatic steering unit has wear or malfunction. Change or repair steering unit if required. Steering pump is worn. Check the hydraulic steering pump and change if necessary. Damaged or stuck steering pump control valve. Service or replace flow control valve. Defective or incorrectly mounted steering column. Change steering column or mount correctly. Tyre pressure is uneven. Adjust the tyre pressure. Improper toe-in. Adjust toe-in properly. Leaking steering cylinder. Replace worn seal sleeves or damaged piston rod.

Tractor is pulling to right or left: Worn or defective hydrostatic steering unit. Check and replace as required. Steering cylinder is defective. Replace or repair hydraulic steering cylinder. Improper toe-in. Check and adjust toe-in. Loose or worn steering linkage components. Check and replace as required. Front wheel bearings are worn or incorrectly adjusted. Change or adjust the bearings properly. Front tires wear unevenly. Change the tires.

Massey Ferguson 1726E Electrical Troubleshooting

Battery is not charging: Loose or corroded cable connections. Service or tighten cable connections. Defective battery terminal connectors. Terminal connectors should be replaced. Bad cell in battery. Replace the battery. Damaged or loose belt. Install a new belt or adjust belt tension.

Starter cranks slow: Low battery power. Charge the battery. Battery is not holding charge. Service or replace the battery. Battery cables are disconnected or terminals are faulty. Check cable connections and change or clean terminals.

Starter will not crank: Battery is drained or defective. Recharge or change battery. Battery cables are disconnected or incorrectly connected. Check cables and connect as needed. Low battery output voltage. Charge the battery. Starter motor failure. Repair or install a new starter.

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