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Massey Ferguson 1840M Troubleshooting

Massey Ferguson 1840M Engine Troubleshooting

Engine hard to start or won't start: Fuel filter element clogging. Clean or change the filter. Air in fuel system. Bleed fuel system. Damaged or dirty injection nozzles. Test injection nozzles and change if necessary. Faulty fuel injection pump. Repair or replace injection pump.

Engine stops suddenly during operation: Wrong setting of fuel injection pump timing. Adjust as recommended. Fuel filter plugging. Change filter element. Engine has not warmed up to the recommended temperature. Warm up engine as required.

Diesel starts and stops: Fuel filter element clogging. Clean or change the filter. Faulty fuel injection pump. Repair or change injection pump. Air filter element clogged. Replace air filter element.

Engine overheats: Dirty radiator core or defective radiator cap. Clean radiator or install new cap. Engine has a lack of coolant. Fill radiator to proper level and check components for faults. Loose or defective fan belt. Change the fan belt. Low engine oil level. Need to add engine oil.

Reduced engine power: Faulty fuel injection nozzles. Test injection nozzles and change if necessary. Fuel hoses or lines are dirty. Clean fuel hoses and lines. Clogged air cleaner. Carry out maintenance on air filter. Cylinder head gasket is damaged. Install a new gasket.

Abnormal engine knocking or noise: Engine is cold. Engine is not warmed up to the required temperature. Low engine oil level. Need to add engine oil. Incorrect adjustment of fuel injection pump timing. Adjust according to specifications. Pistons are scored or worn. Pistons replacement required. Connecting rod is defective or misaligned. Need to change or align the connecting rod.

Engine stops at low idle speed: Low idle speed adjustment is incorrect. Adjustment required. The valve clearance is not adjusted. Adjustment procedure required. Fuel injection pump malfunctioning. Repair or install new pump.

Oil pressure is insufficient: Low oil level. Fill up the engine oil. Oil pump is defective. Remove and inspect oil pump. Oil filter is clogged. Change or service engine oil filter.

Massey Ferguson 1840M Transmission Troubleshooting

Transmission noises: Incorrect backlash or gears are worn. Change worn gears or adjust backlash correctly. Worn or damaged gear shift forks. Install new shift forks. Shaft splines are worn or damaged. Shaft need to be changed. Lack of transmission fluid. Check and refill the transmission fluid. Worn or broken bearings. Replace faulty bearings. Transmission oil contamination. Transmission oil change required.

Hard shifting: Rusty or worn gear shift linkage. Install a new gear shift linkage. Unadjusted or worn clutch. Adjust clutch or change if necessary. Worn or bent shift forks. Change defective shift forks. Gearshift mechanism malfunction. Identify and replace failed parts.

Lack of transmission oil pressure: Transmission oil level is low. Add oil to the transmission housing. Clogged transmission oil filter element (if fitted). Service or change transmission oil filter. Relief valve failure. Install a new valve.

Transmission fluid leaks: Damaged seals or gaskets. Install new seal or gaskets. Transmission oil level is high. Correct the oil volume.

Hydrostatic Transmission Troubleshooting

Hydrostatic transmission makes excessive noise: Worn or out of adjustment speed control linkage. Adjust or replace linkage. Transmission overloaded. Load needs to be reduced. Fluid is contaminated or fluid level is insufficient. Pour fresh fluid or add transmission fluid to proper level. Defective relief valve. Replace relief valve as required. Damaged or worn components of hydrostatic transmission. After disassembling and inspection, change defective components.

Hot transmission oil: Transmission overloaded. The load should be reduced. Cooling components are damaged or clogged. Check all cooling components and clean or replace if required. Insufficient transmission oil. Fill the transmission housing with oil. Transmission fluid filter element is clogged. Service or change transmission fluid filter.

Lack of power: Lack of transmission fluid. Need to add transmission fluid. Relief valve is damaged. Replace relief valve. Worn or unadjusted speed control linkage. Replace or adjust linkage.

Transmission oil leakage: Oil return tube is plugged. Clean or replace the tube. Broken seals or gaskets. Replace worn seal or gaskets. Internal transmission housing pressure is too high. Change defective parts.

Massey Ferguson 1840M Hydraulics Troubleshooting

Hydraulic system is too hot: Hydraulic oil type is improper. Fill up with the proper type of oil. Dirty hydraulic fluid. The fluid must be changed. Air in hydraulic system. Bleed air from hydraulic system. Main relief valve malfunctioning. Change relief valve.

Hydraulic fluid pressure is low: Insufficient hydraulic oil. Check and refill the hydraulic oil. Hydraulic oil filter element is clogged. Clean the hydraulic filter element or replace if necessary. Hydraulic piping is leaking. Check the hydraulic system and fix leaks. Not adjusted hydraulic spool valve. Need to adjust spool valve. Defective hydraulic pump. Install a new hydraulic oil pump. Hydraulic cylinder is faulty. Change or repair hydraulic cylinder.

3-point hitch won't lift or lifts slowly: Hydraulic pump is defective. Repair or replace hydraulic fluid pump. Damaged main relief valve. Relief valve replacement required. Faulty hydraulic control valve. Repair or change hydraulic valve. Hydraulic cylinder malfunction. Repair or replace hydraulic cylinder. Hydraulic fluid is insufficient. Add fluid as required. Dirty hydraulic fluid filter element. Replace filter element or clean if required. Excessive hitch loading. Load needs to be reduced.

Hitch cannot be dropped or dropping is too slow: Hydraulic cylinder malfunction. Repair or install a new hydraulic cylinder. Hydraulic control valve is not set properly. Adjust properly. Hitch cross shaft is worn. Install a new shaft. 3-point hitch is out of adjustment. Need to make adjustments.

Hitch lift or drop is not smoothly: Contaminated hydraulic fluid. Change hydraulic fluid. Hydraulic pump not working. Repair or replace hydraulic oil pump. Air in hydraulic lines. Bleed hydraulic lines. Damaged hydraulic spool valve. Change or repair hydraulic valve. Hydraulic cylinder malfunction. Repair or replace hydraulic cylinder.

Massey Ferguson 1840M Steering Troubleshooting

Excessive steering wheel free play: Steering column coupling or shaft has maximum wear. Replace defective component. Steering pump is faulty. Check the hydraulic steering pump and change if necessary. Steering linkage joints are worn or loose. Check and change as required. Steering control valve has malfunction or wear. Repair or replace the steering control valve.

Steering is hard: Air lock in the steering system. Bleed the steering system. Steering filter is plugged. Clean steering filter element. Steering oil level low. Add oil to steering system. Steering control valve has malfunction or wear. Repair or change the steering control valve. Steering pump stopped working. Install a new steering pump. Stuck or worn pump flow control valve. Clean or install new control valve. Defective or incorrectly mounted steering column. Change steering column or mount correctly. Uneven tyre pressure. Inflate the tyres properly. Improper toe-in. Check toe-in and correct. Steering cylinder is leaking. Replace scratched piston rod or worn cylinder seals.

Front wheels wander to left or right: Defective or worn steering control valve. Change or repair steering control valve if required. Steering cylinder is defective. Repair or replace steering cylinder. Incorrect toe-in. Check toe-in and correct. Steering linkage parts are loose or worn. Check and change as required. Improperly adjusted or worn front wheel bearings. Adjust properly or replace bearings. Tire pressure is uneven. Adjust the tire pressure.

Massey Ferguson 1840M Electrical Troubleshooting

Battery will not charge: Wiring connections are loose or corroded. Tighten or clean electrical wiring connections. Battery terminal connectors are defective. Install new terminal connectors. Battery faulty cell. Change the battery. Loose or defective belt. Change belt or adjust belt tension.

Starter motor turns slow: Low battery capacity. Battery is drained, charge it. Battery is not holding charge. Service battery or replace it. Bad battery terminals or disconnected wiring. Check cables and clean or change terminals.

Starter will not work: Battery is drained or worn. Battery needs to be recharged or replaced. Disconnected or improperly connected wiring harness. Inspect battery wiring harness and connect as required. Low battery output voltage. Recharge the battery. Starter motor is damaged. Repair or install a new starter.