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New Holland Workmaster 50 Troubleshooting

Workmaster 50 Engine Troubleshooting

Engine starts up hard or will not start: Fuel filter element is dirty. Clean or replace the filter. Air in the fuel system. Air bleeding. Clogged or defective injection nozzles. Service or change injection nozzles. Fuel injection pump damage. Install a new pump or rebuild.

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

Diesel starts and stops: Fuel filter plugged. Install new filter element. Fuel injection pump malfunctioning. Repair or replace injection pump. Air cleaner is dirty. Clean or change.

Engine is overheated: Clogged radiator fins or leaking radiator cap. Change cap or clean radiator. Insufficient coolant. Add coolant and check the components of cooling system. Excessive wear of the fan belt. If necessary, replace the belt. Low engine oil level. Checking oil level and add if necessary.

Engine loses power: Dirty or damaged injection nozzles. Install a new kit of correctly balanced nozzles. Dirty fuel lines or hoses. Clean fuel system hoses and lines. Air filter plugged. Clean or change the filter. Cylinder head gasket is blown. Replace cylinder head gasket.

Abnormal engine knocking or noise: Engine has not warmed up to the recommended temperature. Warm up the engine. Low engine oil level. Checking oil level and add if necessary. Fuel injection pump timing is not adjusted. Use the correct fuel injection pump timing adjustment. Piston wear or scoring. Replace the pistons. Connecting rod is defective or misaligned. Align or change connecting rod.

Engine stalling at idle: Incorrectly set low idle speed. Correct low idle adjustment. Valve clearance is out of adjustment. Check and adjust. Defective fuel injection pump. Repair or install new pump.

Oil pressure is insufficient: Not enough oil in the engine. Add oil as required. Oil pump failure. Repair or change. Plugged engine oil filter. Change or service engine oil filter.

Workmaster 50 Transmission Troubleshooting

Transmission makes noise: Improper backlash or worn gears. Install new gears and set backlash correctly. Shift forks are worn or bent. Change the shift forks. Shaft splines are worn or stuck. Change defective shaft. Transmission fluid insufficient. Fill the transmission housing to proper fluid level. Bearings are damaged or worn. Change faulty bearings. Transmission fluid contamination. Transmission fluid change required.

Hard shifting: Gear shift linkage is corroded or worn. Change or lubricate shift linkage. Improperly adjusted or worn clutch. Adjust or change the clutch. Worn or damaged gear shift forks. Shift forks need to be changed. Gear shifting mechanism is defective. Defective parts must be replaced.

Insufficient transmission fluid pressure: Transmission fluid insufficient. Add fluid to the transmission housing. Transmission oil filter element clogging (if equipped). Clean or change transmission oil filter. Defective relief valve. Replace valve as required.

Transmission oil leakage: Seals or gaskets are broken. Gaskets or seal replacement required. High transmission fluid level. Drain the excess fluid.

Workmaster 50 Hydraulic System Troubleshooting

Hydraulics overheating: Hydraulic oil type is improper. Fill up with the proper type of oil. Hydraulic oil is contaminated. Fill up with fresh hydraulic oil. Air in hydraulic pipes. Bleed hydraulic pipes. Faulty main relief valve. Replace relief valve.

Low hydraulic fluid pressure: Hydraulic oil level low. Checking hydraulic oil level and add if necessary. Dirty hydraulic fluid filter element. Install a new hydraulic filter element. Leaking hydraulic pipes. Check the system and repair leaks. Incorrect adjusted hydraulic control valve. Adjust correctly. Hydraulic pump malfunction. Repair or replace hydraulic oil pump. Hydraulic cylinder is broken. Replace or repair hydraulic cylinder.

Three-point hitch cannot be lifted or lifting is too slow: Hydraulic pump is defective. Repair or replace hydraulic oil pump. Damaged main relief valve. Change relief valve. Hydraulic spool valve block is faulty. Repair or change the valve. Faulty hydraulic cylinder. Repair or change hydraulic cylinder. Hydraulic fluid is insufficient. Add fluid as required. Clogged hydraulic oil filter. Service the hydraulic filter or change if required. Excessive hitch loading. Load needs to be reduced.

Hitch not lowering or hitch lowers slowly: Hydraulic cylinder is defective. Repair or change hydraulic cylinder. Hydraulic spool valve is not set properly. Set the spool valve properly. Hitch rock shaft is worn. Install a new shaft. Unadjusted hitch. Need to make adjustments.

Hitch lift or drop is jerky: Hydraulic oil is contaminated. Fill up with fresh hydraulic oil. Hydraulic pump malfunction. Repair or replace hydraulic fluid pump. Air in hydraulic lines. Bleed hydraulic lines. Hydraulic spool valve is damaged. Repair or change the valve. Damaged hydraulic cylinder. Repair or change hydraulic cylinder.

Workmaster 50 Steering Troubleshooting

Steering wheel free play is excessive: Steering column coupling or shaft has maximum wear. Change defective component. Steering pump malfunction. Repair or change steering pump. Loose or worn steering linkage parts. Replace or repair steering linkage. Steering control unit has wear or damage. Repair or replace the steering unit.

Difficult steering: Air trapped inside steering system. Need to bleed air. Steering filter clogging. Replace steering filter element. Steering oil level low. Add oil to steering system. Steering control unit has wear or damage. Change or repair steering unit if required. Defective hydraulic steering pump. Steering pump needs to be replaced or repaired. Steering pump control valve is stuck or faulty. Clean or install new control valve. Improperly mounted or worn steering column. Mount the steering column as required or change it. Uneven tire pressure. Inflate the tires properly. Improper toe-in. Check and adjust toe-in. Steering cylinder leakage. Change worn piston rod or damaged cylinder seals.

Front wheels wander to right or left: Steering control unit has damage or wear. Inspect and change as required. Steering cylinder is damaged. Replace or repair hydraulic steering cylinder. Improper toe-in. Adjust toe-in properly. Steering linkage parts are loose or worn. Inspect and change as required. Front wheel bearings are worn or incorrectly adjusted. Adjust correctly or change bearings. Uneven wear on front tyres. Replace the tyres.

Workmaster 50 Electrical System Troubleshooting

Battery won’t charge: Electrical cable connections are loose or corroded. Tighten or service connections. Defective electrical terminal connectors. Terminal connectors need to be changed. Battery faulty cell. Replace the battery. Worn or loose belt. Adjust belt tension or replace belt.

Starter motor cranks slow: Low battery capacity. Recharge the battery. Battery discharges quickly. Battery needs to be serviced or replaced. Disconnected cables or faulty battery terminals. Connect wiring correctly or install new terminals.

Starter is not working: Battery is drained or defective. Change or recharge battery. Wiring is improperly connected or disconnected. Check wiring and connect properly. Low battery voltage. Charge the battery. Starter motor is defective. Replace or repair starter.