________________________________________________________________________________

Kubota B7200 Troubleshooting

Kubota B7200 Engine Troubleshooting

Engine starts hard or doesn't start: Clogged fuel filter. Service the filter. Air in fuel tank. Bleed fuel tank. Defective injection nozzle. Clean or change injection nozzles. Fuel injection pump is faulty. Repair or install a new fuel pump.

Diesel shuts off while driving: Improper fuel injection timing. Set it up as required. Clogged fuel filter. Service or replace the filter. Low coolant temperature. Warm up to required temperature.

Engine starts but stops suddenly: Fuel filter plugging. Service the filter. Fuel injection pump is defective. Install a new fuel pump or repair. Air filter element clogged. Service or replace the air filter.

Engine overheating: Dirty radiator fins or faulty radiator cap. Clean radiator or install new cap. Coolant level is low. Add coolant and check the components of cooling system. Broken or loose fan belt. Replace the fan belt. Lack of engine oil. Checking oil level and add if necessary.

Engine loses power: Defective injection nozzle. Service or change injection nozzles. Clogged fuel lines or hoses. Service fuel lines and hoses. Clogged air cleaner. Clean or replace element. Cylinder head gasket is worn. Replace the gasket as required.

Engine noise or knocking: Engine is not preheated. Warm up engine as required. Low engine oil level. Add oil to the engine crankcase. Fuel injection pump timing is wrong. Set it up as required. Pistons are worn or broken. Replace the pistons as required. Connecting rod is defective or not aligned. Connecting rod needs to be aligned or changed.

Engine stalls when idling: Incorrect low idle speed adjustment. Correct the settings. Valve clearance is wrong. Correct valve clearance. Fuel injection pump is not working correctly. Replace or rebuild injection pump.

Oil pressure too low: Low crankcase oil level. Check oil level and add oil as required. Defective oil pump. Repair or replace. Oil filter clogged. Replace or service engine oil filter.

Kubota B7200 Transmission Troubleshooting

Excessive transmission noise: Defective gears or improper backlash. Install new gears and set backlash correctly. Worn or bent shift forks. Shift forks need to be changed. Stuck or worn shaft splines. Install a new shaft. Transmission oil insufficient. Add oil to the transmission housing. Bearings are broken or worn. Change the bearings. Transmission fluid contamination. Change the fluid.

Gear shift is hard: Gear shift linkage is rusty or worn. Shift linkage need to be replaced. Worn or improperly adjusted clutch. Adjust clutch or replace if required. Damaged or worn gear shift forks. Change defective shift forks. Gearshift mechanism malfunction. Identify and replace failed parts.

Transmission fluid pressure is insufficient: Insufficient transmission fluid. Checking transmission fluid level and add if necessary. Transmission fluid filter is clogged (if fitted). Clean or change transmission fluid filter. Relief valve failure. Change the valve.

Transmission oil leaks: Seals or gaskets are worn. Install new components. Transmission oil level is exceeded. Correct the oil volume.

Hydrostatic Transmission Troubleshooting

Excessive hydrostatic transmission noise: Bent or unadjusted speed control pedal linkage. Repair or adjust linkage. Excessive transmission load. Reduce loading. Insufficient oil level or contaminated oil. Add oil to the correct level or fill the transmission with fresh oil. Defective relief valve. Replace valve as required. Worn or defective parts of the hydrostatic transmission. Check hydrostatic transmission components for defect or damage and change if necessary.

Transmission fluid overheated: Excessive loading. Reduce the load is required. Plugged or defective cooling components. Check all cooling components and repair or change if required. Transmission fluid level is low. Add fluid to the transmission housing. Transmission fluid filter element is clogged. Clean or change transmission fluid filter.

Power is insufficient: Transmission oil level is low. Check and refill the transmission oil. Relief valve malfunction. Change the valve. Speed control pedal linkage is damaged or out of adjustment. Replace or adjust linkage.

Transmission oil leaks: Clogged oil drain line. Clean or replace drain line. Seals or gaskets are broken. Install new components. High internal transmission case pressure. Repair or replace damaged components.

Kubota B7200 Hydraulic System Troubleshooting

Hydraulic system is too hot: Incorrect type of hydraulic oil. The correct type of oil must be used. Contaminated hydraulic fluid. Change hydraulic fluid. Air trapped in hydraulic system. Bleed air from system. Defective main relief valve. Relief valve must be changed.

Hydraulic oil pressure is low: Insufficient hydraulic fluid. Checking hydraulic fluid level and add if necessary. Hydraulic oil filter element is clogged. Install a new hydraulic filter element. Leaking hydraulic lines. Find leaks in the system and fix it. Hydraulic spool valve is not set properly. Set the spool valve properly. Damaged hydraulic pump. Repair or replace hydraulic fluid pump. Hydraulic cylinder not working. Replace or repair hydraulic cylinder.

Hitch not raising or hitch raises slowly: Hydraulic pump is defective. Install a new hydraulic oil pump. Faulty main relief valve. Relief valve need to be replaced. Hydraulic control valve is defective. Install a new hydraulic valve or repair it. Defective hydraulic cylinder. Repair or change hydraulic cylinder. Insufficient hydraulic fluid. Fill up the hydraulic fluid. Clogged hydraulic fluid filter element. Service the hydraulic filter or change if required. Excessive load on hitch. Reduce loading.

Hitch not lowering or hitch lowers slowly: Hydraulic cylinder failure. Repair or change hydraulic cylinder. Not adjusted hydraulic control valve. Need to adjust. Hitch rock shaft is worn. Change the shaft. Unadjusted hitch. Need to make adjustments.

Hitch lift or drop is jerky: Contaminated hydraulic fluid. Change hydraulic fluid. Hydraulic pump failure. Change or repair hydraulic oil pump. Air in hydraulic pipes. Bleed hydraulic pipes. Hydraulic spool valve is defective. Install a new hydraulic valve or repair it. Damaged hydraulic cylinder. Replace or repair hydraulic cylinder.

Kubota B7200 Steering System Troubleshooting

Excessive steering wheel free play: Steering column shaft or bearing is worn out. Change faulty components. Steering linkage assembly is worn or loose. Check and change as required. Steering gear box bearings are worn. Replace the bearings. Identify faulty components and change as required.

Steering is stiff: Steering column or steering knuckle sticking. Check steering knuckle and column, change damaged components. Steering box parts are damaged. Change defective steering box parts. Faulty tie rod or drag link. Replace or rebuild. Lack of lubrication in steering gearbox. Lubricate as required. Incorrect toe-in. Tire pressure is not correct. Check tire pressure and inflate as required.

Front wheels wander to left or right: Steering linkage assembly is worn or loose. Check and change as required. Steering knuckle bushing is damaged. Knuckle bushing must be replaced. Uneven tire pressure. Inflate the tires properly. Improper toe-in adjustment. Check and adjust toe-in.

Kubota B7200 Electrical System Troubleshooting

Battery will not charge: Corroded or loose electrical wire connections. Clean or tighten connections. Defective electrical terminal connectors. Terminal connectors need to be changed. Dead cell in battery. Battery replacement required. Belt is damaged or loose. Adjust belt tension or install a new belt.

Starter motor cranks slow: Low battery voltage. Recharge the battery. Battery won’t hold charge. Service charging system or replace battery. Bad terminals or disconnected battery cables. Check wire connections and change or service terminals.

Starter will not work: Battery is drained or worn. Replace or charge as required. Battery wires are disconnected or incorrectly connected. Check wires and connect correctly. Battery capacity is low. Battery needs to be recharged. Damaged starter motor. Starter needs to be replaced.