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New Holland Workmaster 35 Troubleshooting

Workmaster 35 Engine Troubleshooting

Engine starts hard or won't start: Dirty fuel filter. Change the filter element. Air in fuel system. Bleed fuel system. Dirty or faulty injection nozzles. Inspect nozzles and replace if necessary. Faulty fuel injection pump. Install a new pump or rebuild.

Engine stalls during operation: Incorrect adjustment of fuel injection pump timing. Adjust as recommended. Fuel filter element clogging. Replace the filter element. Engine is not fully warmed up. Warm up the engine.

Engine starts and stalls suddenly: Fuel filter element clogging. Clean or replace the filter. Damaged fuel injection pump. Repair or change injection pump. Plugged air cleaner. Service air cleaner.

Engine overheats: Dirty radiator core or defective radiator cap. Clean radiator or replace cap. Not enough coolant. Fill radiator to proper level and check components for faults. Loose or damaged fan belt. Belt change is required. Engine oil insufficient. Need to add engine oil.

Engine power is too low: Fuel injection nozzles are damaged. Change fuel injection nozzles. Restricted fuel hoses or lines. Service fuel lines and hoses. Air filter element clogged. Replace air filter element. Cylinder head gasket is blown. Install new cylinder head gasket.

Engine knocking sound or abnormal noise: Engine is not preheated. Warm up the engine. Low engine oil level. Check and refill engine oil. Improper setting of fuel injection pump timing. Adjust as recommended. Pistons are scored or worn. Pistons need to be replaced. Faulty or misaligned connecting rod. Need to align or replace the connecting rod.

Engine stops while idle: Incorrectly set low idle speed. Adjust low idle speed. Improper valve clearance. Check and adjust. Faulty fuel injection pump. Repair or install new pump.

Oil pressure is low: Low oil level. Fill up the engine oil. Oil pump failure. Remove and inspect oil pump. Plugged engine oil filter. Clean or replace engine oil filter element.

Workmaster 35 Transmission Troubleshooting

Transmission makes noise: Gears are damaged or backlash is incorrect. Change worn gears or adjust backlash correctly. Shift forks are worn or bent. Shift forks need to be changed. Shaft splines are worn or stuck. Change defective shaft. Insufficient transmission fluid. Checking transmission fluid level and add if necessary. Worn or damaged bearings. Replace the bearings. Transmission fluid contamination. Change the fluid.

Hard to shift gears: Gear shift linkage is worn or rusty. Install a new gear shift linkage. Worn or improperly adjusted clutch. Adjust clutch or change if necessary. Damaged or worn gear shift forks. Replace the shift forks. Gear shifting mechanism is defective. Defective parts must be replaced.

Low transmission pressure: Insufficient transmission fluid. Need to add transmission fluid. Transmission fluid filter is clogged (if fitted). Service or replace the transmission fluid filter. Relief valve is stuck. Replace relief valve as required.

External oil leaks: Worn seals or gaskets. Install new gaskets or seal. High transmission fluid level. Drain the excess fluid.

Hydrostatic Transmission Troubleshooting

Hydrostatic transmission noise: Worn or out of adjustment speed control linkage. Change or adjust linkage. Excessive transmission load. Reduce transmission load. Oil is dirty or oil level is too low. Add oil to the correct level or fill the transmission with fresh oil. Defective relief valve. Install a new valve. Transmission components are damaged or worn. Check hydrostatic transmission components for defect or damage and change if necessary.

Transmission fluid overheated: Transmission is under excessive load. Load needs to be reduced. Damaged or clogged cooling components. Check all cooling components and change or clean if required. Transmission fluid insufficient. Fill the transmission housing to proper fluid level. Transmission oil filter is clogged. Clean or replace the transmission filter.

Loss of power: Lack of transmission oil supply. Add oil to the transmission housing. Relief valve failure. Install a new valve. Bent or unadjusted speed control pedal linkage. Adjust or repair linkage.

Transmission fluid leaking: Plugged transmission fluid return tube. Service or replace return tube. Damaged seals or gaskets. Gaskets or seal need to be replaced. Internal transmission housing pressure is too high. Repair or replace damaged components.

Workmaster 35 Hydraulics Troubleshooting

Hydraulic system overheating: Wrong hydraulic fluid type. Pour the proper type of fluid. Hydraulic fluid is dirty. Hydraulic fluid change required. Air in the hydraulic system. Air bleeding. Damaged main relief valve. Relief valve must be changed.

Insufficient hydraulic fluid pressure: Hydraulic fluid level low. Add fluid as required. Clogged hydraulic oil filter. Service or replace the hydraulic filter. Leaks in hydraulic pipes. Check the hydraulic system and fix leaks. Hydraulic control valve block is not set properly. Use the proper setting. Hydraulic pump is faulty. Repair or replace hydraulic oil pump. Hydraulic cylinder failure. Repair or change hydraulic cylinder.

Hitch not lifting or hitch lifts slowly: Hydraulic pump is faulty. Repair or replace hydraulic oil pump. Main relief valve is faulty. Relief valve replacement required. Hydraulic control valve block is defective. Repair or change hydraulic valve. Hydraulic cylinder failure. Repair or change hydraulic cylinder. Hydraulic oil level low. Need to add oil. Dirty hydraulic oil filter element. Replace filter element or clean if required. Excessive hitch loading. Reduce the load is required.

Three-point hitch cannot be dropped or dropping is too slow: Broken hydraulic cylinder. Install a new hydraulic cylinder or repair it. Hydraulic control valve block is out of adjustment. Control valve needs to be adjusted. Hitch rock shaft is worn. Change the shaft. The hitch is not adjusted. Need to make adjustments.

Hitch drop or lift is jerky: Hydraulic oil is dirty. Hydraulic oil change required. Damaged hydraulic pump. Install a new hydraulic oil pump. Air in hydraulic pipes. Bleed hydraulic pipes. Defective hydraulic control valve block. Install a new hydraulic valve or repair it. Hydraulic cylinder is faulty. Install a new hydraulic cylinder or repair it.

Workmaster 35 Steering Troubleshooting

Excessive steering wheel free play: Worn steering column coupling or shaft. Change faulty component. Steering pump is faulty. Install a new steering pump. Worn or loose steering linkage joints. Repair or replace steering linkage. Worn or damaged steering control unit. Check and replace as required.

Steering wheel is difficult to turn: Air in the hydraulic steering system. Bleed air from system. Clogged steering filter. Steering filter need to be replaced. Steering oil level low. Add oil to steering system. Steering control unit is damaged or worn. Inspect and replace as required. Steering pump stopped working. Install a new hydraulic steering pump. Pump flow control valve is damaged or stuck. Replace or clean flow control valve. Worn or incorrectly fitted steering column. Replace the steering column or refit it correctly. Uneven tyre pressure. Inflate the tyres properly. Not adjusted toe-in. Check toe-in and correct. Steering cylinder is leaking. Change worn piston rod or damaged cylinder seals.

Tractor pulls to left or right: Steering control unit is damaged or worn. Check and replace as required. Steering cylinder damage. Change or repair steering cylinder. Incorrect toe-in. Adjust toe-in wheels. Steering linkage joints are worn or loose. Check and change as required. Defective or improperly adjusted front wheel bearings. Replace or adjust the bearings correctly. Front tyres wear unevenly. Change the tyres.

Workmaster 35 Electrical System Troubleshooting

Battery does not charge: Electrical wire connections are corroded or loose. Tighten or service connections. Electrical terminal connectors are defective. Replace terminal connectors. Worn-out battery. Replace the battery. Belt is defective or loose. Install a new belt or adjust belt tension.

Starter cranks slowly: Low battery output. Recharge the battery. Battery runs out quickly. Service charging system or change battery. Faulty battery terminals or disconnected cables. Connect cables correctly or replace terminals.

Starter is not cranking: Battery is low or faulty. Replace or charge as required. Wiring is incorrectly connected or disconnected. Inspect wiring and connect correctly. Battery capacity is low. Battery is drained, charge it. Starter motor is faulty. Starter should be changed.