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Kubota BX2670 Troubleshooting

Kubota BX2670 Engine Troubleshooting

Engine starts hard or will not start: Fuel filter element is clogged. Change filter element. Air in fuel tank. Bleed fuel tank. Fuel injection nozzles fault. If necessary, replace with a new nozzle. Damaged fuel injection pump. Replace injection pump or repair it.

Diesel shuts off while driving: Wrong setting of fuel injection pump timing. Set the fuel pump timing correctly. Fuel filter plugging. Change filter element. Engine is cold. Warm up engine as required.

Engine starts but stalls immediately: Fuel filter element clogging. Clean the filter element. Fuel injection pump is not operating properly. Rebuild or replace pump. Clogged air filter element. Replace air filter element.

Engine is overheated: Defective radiator cap or clogged radiator fins. Replace cap or clean radiator. Insufficient coolant. The cooling system needs to be refilled and checked for faults. Fan belt is broken or worn. Change the fan belt. Low engine oil level. Check oil level and add oil as required.

Engine power is reduced: Fuel injection nozzles are dirty or defective. Check and replace nozzles if required. Fuel lines or hoses are clogged. Fuel lines and hoses need to be cleaned. Restricted intake air. Air filter maintenance required. Cylinder head gasket is blown. Install new cylinder head gasket.

Abnormal engine knocking or noise: Engine is not preheated. Normalize the temperature by warming up the engine. Insufficient engine oil. Check and refill engine oil. Incorrect adjustment of fuel injection pump timing. Adjust the pump as required. Pistons are broken or worn. Pistons replacement required. Connecting rod is worn or not aligned. Connecting rod needs to be replaced or aligned.

Engine shuts off while idling: Low idle speed setting is incorrect. Normalize low idle speed. Valve clearance is out of adjustment. Correct valve clearance. Defective fuel injection pump. Change pump or rebuild it.

Insufficient oil pressure: Engine oil level low. Check oil level and add oil as required. Oil pump is worn or damaged. Inspect and change as required. Clogged oil filter element. Clean or change engine oil filter.

Kubota BX2670 Hydrostatic Transmission Troubleshooting

Hydrostatic transmission noise: Speed control linkage is worn or unadjusted. Adjust or replace linkage. Transmission overload. Load needs to be reduced. Transmission oil is contaminated or oil level is insufficient. Fill to required level or change the transmission oil. Relief valve is stuck. Change relief valve. Transmission components are damaged or worn. Change or repair defective parts.

Transmission oil overheating: Transmission overloaded. Reduce transmission load. Plugged or defective cooling components. Check all cooling components and change or clean if required. Lack of transmission oil supply. Fill the transmission housing to proper oil level. Transmission fluid filter element clogging. Replace or service transmission fluid filter.

Low power: Lack of transmission oil supply. Fill the transmission housing to proper oil level. Relief valve failure. Replace valve as required. Speed control pedal linkage is damaged or out of adjustment. Adjust or install new linkage.

Transmission fluid leakage: Clogged oil drain line. Clean or replace drain line. Seals or gaskets are worn. Install new components. Internal transmission housing pressure is too high. Change defective components.

Kubota BX2670 Hydraulics Troubleshooting

Hydraulic system is too hot: Wrong type of hydraulic oil. Pour the correct type of hydraulic oil. Hydraulic fluid contamination. Change hydraulic fluid. Air in hydraulic system. Bleed air from hydraulic system. Defective main relief valve. Install a new relief valve.

Low hydraulic oil pressure: Hydraulic oil level low. Need to add oil. Hydraulic oil filter element is clogged. Clean the hydraulic filter element or replace if necessary. Leaking hydraulic pipes. Check the hydraulic system and fix leaks. Not adjusted hydraulic spool valve. Need to adjust spool valve. Defective hydraulic pump. Repair or replace hydraulic oil pump. Hydraulic cylinder is broken. Change or repair hydraulic cylinder.

3-point hitch cannot be raised or raising is too slowly: Faulty hydraulic pump. Repair or replace hydraulic oil pump. Defective main relief valve. Relief valve replacement required. Hydraulic spool valve block is defective. Repair or change hydraulic valve. Hydraulic cylinder is defective. Repair or install a new hydraulic cylinder. Insufficient hydraulic oil. Need to add oil. Hydraulic oil filter element is clogged. Hydraulic filter maintenance required. Excessive load on hitch. Reduce the load is required.

3-point hitch does not lower or lowers very slowly: Defective hydraulic cylinder. Repair or change hydraulic cylinder. Incorrect setting hydraulic control valve. Use the correct adjustment. Worn hitch cross shaft. Change the shaft. The hitch has not been adjusted. Adjust the 3-point hitch.

Hitch drop or lift is jerky: Dirty hydraulic fluid. The fluid must be changed. Hydraulic pump is faulty. Install a new hydraulic fluid pump. Air trapped in hydraulic system. Bleed air from system. Damaged hydraulic control valve. Install a new valve or repair it. Hydraulic cylinder failure. Repair or install a new hydraulic cylinder.

Kubota BX2670 Steering System Troubleshooting

Excessive free play of steering wheel: Worn steering column coupling or shaft. Replace faulty component. Steering pump failure. Install a new hydraulic steering pump. Loose or worn steering linkage parts. Check and replace as required. Hydrostatic steering unit has damage or wear. Repair or change the steering unit.

Excessive effort to steer: Air in steering hydraulic system. Bleed the system of air. Steering filter element is clogged. Steering filter maintenance required. Steering fluid level is insufficient. Add oil to steering system. Worn or defective hydrostatic steering unit. Repair or change the steering unit. Worn steering pump. Check the hydraulic steering pump and change if necessary. Damaged or stuck steering pump control valve. Install a new flow control valve or clean it. Incorrectly fitted or worn steering column. Refit or replace the steering column. Front tires are worn unevenly. Install new tires. Not adjusted toe-in. Adjust toe-in wheels. Leaking steering cylinder. Replace worn cylinder seals or scratched piston rod.

Front wheels wander to right or left: Hydrostatic steering unit is defective or worn. Repair or change the steering unit. Steering cylinder damage. Change or repair hydraulic steering cylinder. Not adjusted toe-in. Check and adjust toe-in. Worn or loose steering linkage assembly. Repair or replace steering linkage. Damaged or improperly adjusted or worn front wheel bearings. Change or adjust the bearings properly. Tire pressure uneven. Inflate the tires correctly.

Kubota BX2670 Electrical System Troubleshooting

Battery does not charge: Electrical cable connections are loose or corroded. Tighten or service connections. Battery terminal connectors are faulty. Install new terminal connectors. Defective battery. Use a new battery. Loose or worn belt. Need to adjust belt tension or replace belt.

Starter turns slowly: Low battery power. Recharge the battery. Battery won’t hold charge. Service battery or change it. Disconnected wires or corroded battery terminals. Connect cables properly or replace terminals.

Starter will not work: Battery is drained or worn. Recharge or change battery. Wiring is improperly connected or disconnected. Check wiring and connect properly. Battery power is low. Charge the battery. Damaged starter motor. Starter needs to be changed.