Specifications, Service and Repair of Farm and Lawn Tractors

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Kubota M130X Troubleshooting

Kubota M130X Engine Troubleshooting

Diesel engine hard to start or doesn't start: Fuel filter plugged. Install new filter element. Air in fuel system. Bleed fuel system. Damaged or dirty injection nozzles. Check injection nozzles and replace if required. Defective fuel injection pump. Rebuild or replace pump.

Engine stops suddenly during operation: Timing of fuel injection pump is incorrect. Adjust according to specifications. Fuel filter element is clogged. Change filter element. Engine not warmed up. Normalize the temperature by warming up the engine.

Engine starts and stops suddenly: Dirty fuel filter. Service or replace the filter. Fuel injection pump is faulty. Replace or repair injection pump. Dirty air filter element. Service or replace the air filter.

Engine overheats: Dirty radiator fins or faulty radiator cap. Install new cap or clean radiator. Not enough coolant. Fill radiator to proper level and check components for faults. Fan belt is worn or faulty. Fan belt must be replaced. Lack of engine oil. Need to add engine oil.

Diesel engine loses power: Dirty or faulty injection nozzles. Install a new kit of correctly balanced nozzles. Dirty fuel lines or hoses. Fuel hoses and lines must be clean. Clogged air filter. Clean or change. Leaking cylinder head gasket. Change cylinder head gasket.

Abnormal engine noise or knocking: Engine is not preheated. Normalize the temperature by warming up the engine. Insufficient engine oil. Fill up the engine oil. Improper fuel injection timing. Adjust the pump as required. Scored or worn pistons. Replace the pistons as required. Connecting rod failure or misalignment. Connecting rod needs to be replaced or aligned.

Engine stalls when idle: Improperly adjusted low idle speed. Adjustment required. Excessive valve clearance. Adjustment procedure required. Fuel injection pump failure. Rebuild or install a new injection pump.

Low oil pressure: Lack of oil. Fill up the engine oil. Oil pump malfunction. Install a new pump. Oil filter element clogging. Service or replace engine oil filter.

Kubota M130X Transmission Troubleshooting

Transmission noise: Improper backlash or worn gears. Replace defective gears or set backlash properly. Damaged or worn gear shift forks. Change defective shift forks. Shaft splines are stuck or worn out. Shaft need to be changed. Insufficient transmission fluid. Fill the transmission housing to proper fluid level. Worn or cracked bearings. Bearings replacement required. Transmission fluid is dirty. Change the fluid.

Gear hard to shift: Gear shift linkage is rusty or worn. Lubricate or replace the shift linkage. Clutch is out of adjustment or defective. Adjust or replace the clutch. Worn or bent shift forks. Install new shift forks. Worn gear shifting mechanism. Repair or change worn components if necessary.

Lack of transmission oil pressure: Insufficient transmission fluid. Fill the transmission housing to proper fluid level. Dirty transmission fluid filter (if fitted). Service or change transmission fluid filter. Relief valve malfunction. Install a new relief valve.

Transmission oil leaking: Seals or gaskets are broken. Install new components. High transmission oil level. Correct the oil level.

Kubota M130X Hydraulics Troubleshooting

Hydraulic system overheated: Incorrect hydraulic oil type. Use the correct type of hydraulic oil. Contaminated hydraulic oil. Change hydraulic oil. There is air in the hydraulic system. Bleed hydraulic system. Main relief valve failure. Replace relief valve.

Insufficient hydraulic oil pressure: Insufficient hydraulic oil. Fill the system to proper hydraulic oil level. Dirty hydraulic oil filter element. Clean or change hydraulic filter. Leaking hydraulic pipes. Check the hydraulic system and fix leaks. Incorrect setting hydraulic spool valve. Use the correct setting. Faulty hydraulic pump. Install a new hydraulic oil pump. Broken hydraulic cylinder. Change or repair hydraulic cylinder.

Hitch can't lift or lifts too slowly: Defective hydraulic pump. Install a new hydraulic fluid pump. Main relief valve is damaged. Change relief valve. Defective hydraulic control valve. Change or repair hydraulic valve. Hydraulic cylinder not working. Repair or change hydraulic cylinder. Hydraulic oil level low. Checking hydraulic oil level and add if necessary. Clogged hydraulic oil filter. Clean or replace the hydraulic filter. Heavy load on the hitch. Reduce loading.

3-point hitch won't lower or lowers slowly: Damaged hydraulic cylinder. Install a new hydraulic cylinder or repair it. Hydraulic control valve block is not set properly. Use the proper setting. Lift arm shaft is worn. Install a new shaft. The hitch has not been adjusted. Adjust 3-point hitch as required.

Jerky lifting or lowering of three-point hitch: Contaminated hydraulic oil. Change hydraulic oil. Faulty hydraulic pump. Repair or replace hydraulic oil pump. There is air in the hydraulic system. Bleed hydraulic system. Hydraulic control valve block is damaged. Install a new valve or repair it. Hydraulic cylinder not working. Repair or install a new hydraulic cylinder.

Kubota M130X Steering Troubleshooting

Excessive steering wheel free play: Steering column shaft or coupling has maximum wear. Replace faulty component. Steering pump is worn. Repair or change steering pump. Loose or worn steering linkage components. Repair or replace steering linkage. Hydrostatic steering unit has damage or wear. Repair or replace the steering unit.

Excessive effort to steer: Air lock in hydraulic steering system. Need to bleed air. Steering filter is dirty. Clean or change steering filter. Steering fluid insufficient. Check and refill steering fluid. Hydrostatic steering unit has damage or wear. Repair or change the steering unit. Defective hydraulic steering pump. Install a new steering pump. Stuck or damaged steering pump control valve. Service or change control valve. Incorrectly assembled or damaged steering column. Reassemble the steering column correctly or change it. Front tyres are worn unevenly. Install new tyres. Not adjusted toe-in. Check toe-in and correct. Steering cylinder leaks. Change damaged piston rod or worn piston seals.

Tractor pulls to right or left: Hydrostatic steering unit is defective or worn. Inspect and change as required. Steering cylinder damage. Repair or replace hydraulic steering cylinder. Incorrect toe-in. Check toe-in and correct. Steering linkage parts are loose or worn. Change or repair steering linkage. Front wheel bearings are worn or incorrectly adjusted. Adjust properly or change bearings. Uneven tyre pressure. Inflate the tyres properly.

Kubota M130X Electrical Troubleshooting

Battery does not charge: Loose or corroded cable connections. Tighten or clean electrical wiring connections. Electrical terminal connectors are defective. Change terminal connectors. Battery is worn. Use a new battery. Belt is damaged or loose. Belt needs to be adjusted or changed.

Starter motor cranks slow: Battery voltage is low. Charge the battery. Battery does not hold charge. Battery needs to be serviced or replaced. Faulty battery terminals or disconnected cables. Check cable connections and replace or service terminals.

Starter is not cranking: Battery is low or faulty. Replace or charge as required. Disconnected or improperly connected wiring harness. Inspect battery wiring harness and connect as required. Low battery output voltage. Charge the battery. Starter motor is faulty. Repair or replace starter.

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