Specifications, Service and Repair of Farm and Lawn Tractors

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Massey Ferguson 1758 Troubleshooting

Massey Ferguson 1758 Engine Troubleshooting

Engine difficult to start or won't start: Clogged fuel filter. Change filter element. There is air in the fuel system. Bleed the system. Fuel injection nozzles fault. Check injection nozzles and replace if required. Damaged fuel injection pump. Replace injection pump or repair it.

Engine stalls while running: Wrong setting of fuel injection pump timing. Set up as recommended. Fuel filter element clogging. Replace filter element. Engine has not warmed up to the recommended temperature. Warm up engine as required.

Engine starts but then stops: Dirty fuel filter. Change filter element. Fuel injection pump malfunctioning. Rebuild or install a new injection pump. Air filter is dirty. Replace air filter element.

Engine overheated: Dirty radiator fins or defective radiator cap. Clean radiator or change cap. Engine coolant is insufficient. Fill radiator to proper level and check components for faults. Loose or damaged fan belt. Change as required. Lack of engine oil. Check oil level and add oil as required.

Diesel engine loses power: Fuel injection nozzles are dirty or defective. Check and replace nozzles if required. Restricted fuel hoses or lines. Clean fuel system hoses and lines. Air filter is dirty. Service air cleaner. Damaged cylinder-head gasket. Change cylinder head gasket.

Abnormal engine noise or knocking: Engine is not fully warmed up. Warm up to required temperature. Engine oil insufficient. Add oil to the engine crankcase. Timing of fuel injection pump is incorrect. Adjust the pump as required. Pistons are worn or broken. Pistons need to be replaced. Connecting rod is defective or misaligned. Need to align or replace the connecting rod.

Engine stops when idling: Low idle speed setting is incorrect. Adjust as required. Valve out of adjustment. Check and adjust. Defective fuel injection pump. Replace or rebuild injection pump.

Oil pressure is low: Insufficient engine oil. Add oil as required. Oil pump is damaged. Inspect and change as required. Oil filter clogged. Service or replace engine oil filter.

Massey Ferguson 1758 Hydrostatic Transmission Troubleshooting

Hydrostatic transmission makes excessive noise: Defective or not adjusted speed control pedal linkage. Adjust or repair linkage. Transmission overloaded. Reduce transmission load. Dirty transmission fluid or insufficient fluid level. Pour fresh fluid or add transmission fluid to proper level. Defective relief valve. Replace the valve. Worn or defective transmission components. Change or repair defective parts.

Transmission fluid overheats: Excessive transmission load. Reduce the load is required. Plugged or defective cooling components. Check all cooling components and repair or change if required. Transmission oil level is low. Fill the transmission housing with oil. Clogged transmission fluid filter. Service or replace the transmission fluid filter.

Power is insufficient: Low oil level. Check and refill the transmission oil. Stuck relief valve. Replace relief valve as required. Speed control linkage is defective or unadjusted. Replace or adjust linkage.

Transmission fluid leaks: Clogged oil drain line. Clean or replace drain line. Seals or gaskets are worn. Install new components. Transmission case internal pressure is too high. Repair or replace damaged components.

Massey Ferguson 1758 Hydraulic System Troubleshooting

Hydraulic system overheated: Hydraulic fluid type is improper. The proper type of fluid must be used. Hydraulic fluid contamination. Change hydraulic fluid. Air trapped in hydraulic system. Bleed air from system. Main relief valve is damaged. Relief valve need to be replaced.

Hydraulic fluid pressure too low: Hydraulic fluid is insufficient. Checking hydraulic fluid level and add if necessary. Dirty hydraulic oil filter element. Replace hydraulic filter element or service if necessary. Leaking hydraulic pipes. Inspect hydraulic system for leaks and repair it. Hydraulic control valve block is not set properly. Use the proper setting. Hydraulic pump is faulty. Install a new hydraulic fluid pump. Broken hydraulic cylinder. Install a new hydraulic cylinder or repair it.

3-point hitch fails to lift or lifts slowly: Hydraulic pump malfunction. Repair or replace hydraulic oil pump. Main relief valve malfunction. Relief valve need to be replaced. Defective hydraulic spool valve block. Repair or replace the valve. Hydraulic cylinder not working. Change or repair hydraulic cylinder. Insufficient hydraulic fluid. Checking hydraulic fluid level and add if necessary. Hydraulic oil filter is clogged. Clean the hydraulic filter element or replace if necessary. Excessive loading on the hitch. Reduce loading.

Hitch cannot be dropped or dropping is too slow: Faulty hydraulic cylinder. Repair or change hydraulic cylinder. Incorrect setting hydraulic control valve. Use the correct adjustment. Worn lift arm shaft. Change the shaft. The three-point hitch is not adjusted. The hitch must be adjusted.

Hitch drop or lift is jerky: Hydraulic oil is dirty. Hydraulic oil change required. Hydraulic pump not working. Change or repair hydraulic oil pump. There is air in the hydraulic system. Bleed hydraulic system. Defective hydraulic control valve. Repair or change hydraulic valve. Defective hydraulic cylinder. Change or repair hydraulic cylinder.

Massey Ferguson 1758 Steering Troubleshooting

Excessive steering wheel free play: Steering column shaft or coupling is worn out. Change defective component. Steering pump is worn. Repair or replace steering pump. Loose or worn steering linkage parts. Inspect and replace as required. Steering control valve has damage or wear. Inspect and replace as required.

Difficult steering: Air trapped inside steering system. Bleed air from system. Dirty steering filter. Change steering filter element. Not enough steering fluid. Fill up steering fluid to required level. Steering control valve has wear or damage. Change or repair steering control valve if required. Defective hydraulic 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 installed or damaged steering column. Install the steering column as required or replace it. Tyre pressure is uneven. Adjust the tyre pressure. Not adjusted toe-in. Check toe-in and correct. Steering cylinder leaks. Replace worn cylinder seals or scratched piston rod.

Tractor is pulling to left or right: Steering control valve is worn or defective. Replace or repair steering control valve as required. Damaged steering cylinder. Change or repair hydraulic steering cylinder. Not adjusted toe-in. Check and adjust toe-in. Steering linkage components are loose or worn. Replace or repair steering linkage. Incorrectly adjusted or worn front wheel bearings. Change or adjust the bearings properly. Uneven tyre pressure. Inflate the tyres properly.

Massey Ferguson 1758 Electrical System Troubleshooting

Battery won’t charge: Loose or corroded electrical wiring connections. Clean or tighten connections. Defective electrical terminal connectors. Terminal connectors should be replaced. Dead cell in battery. Install a new battery. Belt is damaged or loose. Adjust belt tension or install a new belt.

Starter motor cranks slow: Low battery power. Charge the battery. Battery is draining quickly. Service charging system or install new battery. Disconnected battery cables or bad terminals. Check cables and clean or change terminals.

Starter motor is not working: Battery is drained or worn. Replace or charge as required. Battery wires are disconnected or incorrectly connected. Check wires and connect correctly. Low battery output voltage. Battery is drained, charge it. Starter motor is damaged. Replace or repair starter.

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