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New Holland Workmaster 33 Troubleshooting

Workmaster 33 Engine Troubleshooting

Engine starts up hard or doesn't start: Clogged fuel filter. Replace filter element. Air in the fuel lines. Bleed the fuel lines. Clogged or defective injection nozzles. Clean or replace injection nozzles. Faulty fuel injection pump. Replace or repair injection pump.

Engine stops running suddenly: Fuel injection pump timing is not adjusted. Set the fuel pump timing correctly. Clogged fuel filter. Filter maintenance required. Engine is cold. Engine is not warmed up to the required temperature.

Diesel starts but stalls immediately: Fuel filter plugged. Replace filter element. Defective fuel injection pump. Replace or repair injection pump. Restricted intake air. Service or replace the air filter.

Engine overheating: Dirty radiator core or faulty radiator cap. Replace cap or clean radiator. Low engine coolant. Add coolant and check the components of cooling system. Fan belt slipping or worn. Change as required. Engine oil insufficient. Fill up the engine oil.

Loss of engine power: Fuel injection nozzles are damaged. Clean or change injection nozzles. Clogged fuel lines or hoses. Fuel hoses and lines must be clean. Air filter is clogged. Change air filter element. Cylinder-head gasket is leaking. Replace the gasket as required.

Engine noises or knocks: Engine has not warmed up to the recommended temperature. Warm up to required temperature. Engine oil level low. Check oil level and add oil as required. Fuel injection pump timing is wrong. Adjust according to specifications. Worn or broken pistons. Replace the pistons. Connecting rod is misaligned or defective. Alignment procedure or replacement is required.

Engine stalls at low idle speed: Low idle speed adjustment is incorrect. Adjust as required. The valve clearance is not adjusted. Check and adjust as required. Fuel injection pump is defective. Repair or install new pump.

Oil pressure is low: Low oil level. Fill up the engine oil. Oil pump malfunction. Repair or replace. Dirty oil filter. Change or clean engine oil filter element.

Workmaster 33 Transmission Troubleshooting

Excessive transmission noise: Defective gears or improper backlash. Change worn gears or adjust backlash correctly. Damaged or worn gear shift forks. Shift forks need to be changed. Worn or damaged shaft splines. Change defective shaft. Low oil level. Fill the transmission housing with oil. Worn or damaged bearings. Install new bearings. Transmission oil is dirty. Transmission oil change required.

Hard shifting: Gear shift linkage is corroded or worn. Shift linkage need to be replaced. Clutch is out of adjustment or defective. Clutch replacement or adjustment required. Worn or bent shift forks. Replace the shift forks. Worn gear shifting mechanism. Repair or change worn components if necessary.

Insufficient transmission fluid pressure: Low fluid level. Need to add transmission fluid. Clogged transmission fluid filter (if equipped). Service or replace the transmission fluid filter. Relief valve failure. Replace relief valve as required.

Transmission fluid leaking: Damaged seals or gaskets. Replace worn gaskets or seal. High transmission oil level. Correct the oil level.

Hydrostatic Transmission Troubleshooting

Excessive HST transmission noise: Speed control linkage is worn or unadjusted. Adjust or repair linkage. Transmission overloaded. Load needs to be reduced. Oil is dirty or oil level is too low. Add oil to proper level or pour fresh transmission oil. Relief valve is damaged. Install a new valve. Worn or defective transmission components. Change or repair defective parts.

Transmission fluid overheats: Excessive transmission load. Reduce transmission load. Clogged or damaged cooling components. Inspect all cooling components and service or replace if necessary. Transmission oil level is low. Fill the transmission housing with oil. Dirty transmission fluid filter. Service or replace the transmission fluid filter.

Loss of power: Transmission oil insufficient. Add oil to the transmission housing. Defective relief valve. Replace valve as required. Worn or unadjusted speed control linkage. Replace or adjust linkage.

Transmission oil leaking: Oil drain line is clogged. Clean or change the line. Damaged seals or gaskets. Gaskets or seal need to be replaced. High internal transmission case pressure. Check transmission parts for damage or wear and replace if required.

Workmaster 33 Hydraulic System Troubleshooting

Hydraulic system is overheated: Wrong type of hydraulic oil. Pour the correct type of hydraulic oil. Hydraulic oil contamination. Change the oil. Air in hydraulic lines. Bleed hydraulic lines. Main relief valve is faulty. Relief valve replacement required.

Insufficient hydraulic fluid pressure: Low hydraulic fluid level. Checking hydraulic fluid level and add if necessary. Hydraulic fluid filter element is clogged. Hydraulic filter maintenance required. Leaking hydraulic pipes. Identify leaks in the system and repair it. Incorrect setting hydraulic spool valve. Use the correct setting. Hydraulic pump malfunction. Replace or repair hydraulic oil pump. Broken hydraulic cylinder. Replace or repair hydraulic cylinder.

Three-point hitch cannot be lifted or lifting is too slow: Hydraulic pump malfunction. Install a new hydraulic fluid pump. Main relief valve is faulty. Relief valve need to be replaced. Faulty hydraulic spool valve. Install a new valve or repair it. Damaged hydraulic cylinder. Repair or change hydraulic cylinder. Insufficient hydraulic fluid. Checking hydraulic fluid level and add if necessary. Hydraulic oil filter element is clogged. Hydraulic filter maintenance required. Hitch is under excessive load. Load needs to be reduced.

3-point hitch cannot be lowered or lowering is too slowly: Hydraulic cylinder is broken. Install a new hydraulic cylinder or repair it. Hydraulic control valve is not set properly. Adjust properly. Hitch rock shaft is damaged. Change the shaft. Hitch is out of adjustment. Adjust three-point hitch as required.

Hitch drop or lift is jerky: Hydraulic oil is dirty. Hydraulic oil change required. Damaged hydraulic pump. Replace or repair hydraulic oil pump. Air trapped in hydraulic system. Bleed air from system. Hydraulic spool valve is damaged. Change or repair hydraulic valve. Broken hydraulic cylinder. Change or repair hydraulic cylinder.

Workmaster 33 Steering Troubleshooting

Excessive free play of steering wheel: Worn steering column coupling or shaft. Replace defective part. Faulty steering pump. Install a new hydraulic steering pump. Steering linkage components are loose or worn. Repair or change steering linkage. Steering control unit is damaged or worn. Inspect and change as required.

Steering is stiff: Air in steering system. Air-bleed steering system. Steering filter is clogged. Clean or replace filter element. Low steering oil level. Fill up the steering oil. Steering control unit has wear or malfunction. Repair or replace the steering control unit. Worn steering pump. Check the steering pump and replace if necessary. Pump flow control valve is damaged or stuck. Service or change control valve. Improperly installed or damaged steering column. Install the steering column as required or replace it. Uneven tyre pressure. Inflate the tyres properly. Improper toe-in. Check and adjust toe-in. Steering cylinder leakage. Replace damaged piston seals or worn piston rod.

Tractor pulls to right or left: Steering control unit has damage or wear. Repair or replace the steering control unit. Steering cylinder is damaged. Replace or repair steering cylinder. Not adjusted toe-in. Adjust toe-in wheels. Loose or worn steering linkage components. Check and change as required. Front wheel bearings are damaged or incorrectly adjusted. Adjust correctly or install new bearings. Tires have uneven wear. Replace the tires.

Workmaster 33 Electrical System Troubleshooting

Battery cannot be charged: Corroded or loose electrical wire connections. Service or tighten connections. Battery terminal clamps are defective. Change terminal clamps. Battery is worn. Battery replacement required. Defective or loose belt. Install a new belt or adjust belt tension.

Starter motor cranks slow: Battery capacity is low. Charge the battery. Battery discharges quickly. Battery needs service or replacement. Battery cables are disconnected or terminals are faulty. Connect wiring properly or install new terminals.

Starter doesn't crank: Battery is drained or defective. Need to charge or replace the battery. Battery cables are disconnected or incorrectly connected. Check cables and connect as needed. Low battery capacity. Recharge the battery. Faulty starter motor. Change or repair starter.