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Kubota M110GX Troubleshooting

Kubota M110GX Engine Troubleshooting

Engine starts hard or won't start: Fuel filter plugged. Change filter element. Air in the fuel pipes. Bleed the fuel pipes. Fuel injection nozzles are faulty or clogged. Replace injection nozzles. Fuel injection pump damage. Replace or repair injection pump.

Engine stalls during operation: Fuel injection pump timing is not adjusted. Use the correct fuel injection pump timing adjustment. Dirty fuel filter. Replace the filter element. Engine is not fully warmed up. Warm up to required temperature.

Diesel starts and suddenly stops: Fuel filter plugging. Filter maintenance required. Damaged fuel injection pump. Repair or install new pump. Restricted intake air. Replace air filter element.

Engine overheated: Defective radiator cap or clogged radiator core. Clean radiator or replace cap. Insufficient coolant fluid. Add coolant fluid and inspect the cooling system for leaks. Fan belt slipping or worn. Replace as required. Engine oil level low. Fill up the engine oil.

Loss of engine power: Fuel injection nozzles are faulty or clogged. Check and replace nozzles if required. Fuel hoses or lines are dirty. Clean fuel lines and hoses. Plugged air cleaner. Air filter maintenance required. Cylinder-head gasket is leaking. Install a new gasket.

Abnormal engine noise or knocking: Engine not warmed up. Normalize the temperature by warming up the engine. Insufficient engine oil. Check oil level and add oil as required. Improper fuel injection timing. Adjust fuel injection pump as required. Piston wear or scoring. Replace the pistons as required. Connecting rod is defective or not aligned. Need to replace or align the connecting rod.

Engine stalls at idle: Incorrect low idle speed adjustment. Correct the settings. Valve clearance is wrong. Adjust valve clearance. Defective fuel injection pump. Change or repair the pump.

Oil pressure too low: Low crankcase oil level. Add oil to the engine crankcase. Oil pump is damaged. Repair or change. Oil filter clogged. Change or clean engine oil filter element.

Kubota M110GX Transmission Troubleshooting

Transmission is making noise: Damaged gears or incorrect backlash. Adjust backlash correctly or replace the gears. Shift forks are bent or worn out. Change the shift forks. Worn or damaged shaft splines. Replace the shaft. Low fluid level. Checking transmission fluid level and add if necessary. Bearings are broken or worn. Change faulty bearings. Transmission oil is dirty. Fill up with fresh transmission oil.

Difficult to shift gears: Rusty or worn gear shift linkage. Change or lubricate shift linkage. Worn or improperly adjusted clutch. Replace or adjust clutch. Worn or bent gear shift forks. Shift forks need to be replaced. Gearshift mechanism is damaged. Replace or repair the mechanism.

Lack of transmission oil pressure: Insufficient transmission fluid. Fill the transmission housing to proper fluid level. Plugged transmission oil filter (if equipped). Service or replace the transmission oil filter. Defective relief valve. Replace valve as required.

Transmission oil leaks: Damaged gaskets or seals. Replace worn seal or gaskets. Transmission fluid level is exceeded. Excess fluid must be drained.

Kubota M110GX Hydraulic System Troubleshooting

Hydraulics overheating: Incorrect type of hydraulic fluid. Use the correct type of fluid. Hydraulic oil is dirty. Hydraulic oil change required. Air in the hydraulic system. Air bleeding. Defective main relief valve. Change relief valve.

Hydraulic fluid pressure is low: Hydraulic oil is insufficient. Fill the system to proper hydraulic oil level. Dirty hydraulic fluid filter. Change the hydraulic filter element or service if required. Leaks in hydraulic lines. Check the system and repair leaks. Not adjusted hydraulic spool valve. Need to adjust spool valve. Hydraulic pump malfunction. Install a new hydraulic oil pump. Defective hydraulic cylinder. Repair or replace hydraulic cylinder.

Hitch won't raise or raises slowly: Hydraulic pump malfunction. Change or repair hydraulic fluid pump. Main relief valve failure. Relief valve need to be replaced. Defective hydraulic control valve. Install a new hydraulic valve or repair it. Hydraulic cylinder is broken. Replace or repair hydraulic cylinder. Low hydraulic oil level. Checking hydraulic oil level and add if necessary. Hydraulic fluid filter element is clogged. Change the hydraulic filter element or service if required. Excessive load on hitch. Load needs to be reduced.

Hitch won't drop or drops slowly: Hydraulic cylinder is defective. Change or repair hydraulic cylinder. Hydraulic spool valve is out of adjustment. Spool valve adjustment required. Lift arm shaft is damaged. Change the shaft. The hitch has not been adjusted. Need to make adjustments.

Jerky lowering or lifting of the hitch: Hydraulic fluid contamination. Change hydraulic fluid. Defective hydraulic pump. Install a new hydraulic fluid pump. Air in hydraulic pipes. Bleed hydraulic pipes. Defective hydraulic spool valve. Replace or repair the valve. Hydraulic cylinder failure. Repair or change hydraulic cylinder.

Kubota M110GX Steering System Troubleshooting

Excessive steering wheel play: Steering column coupling or shaft has maximum wear. Change faulty part. Defective hydraulic steering pump. Repair or replace steering pump. Steering linkage joints are worn or loose. Inspect and replace as required. Hydrostatic steering unit has wear or damage. Inspect and replace as required.

Hard Steering: Air in the hydraulic steering system. Bleed the system of air. Dirty steering filter element. Replace steering filter element. Insufficient steering fluid. Fill up the steering fluid. Hydrostatic steering unit is damaged or worn. Repair or change the steering unit. Hydraulic steering pump is defective. Install a new hydraulic steering pump. Stuck or worn pump flow control valve. Replace or clean flow control valve. Improperly installed or damaged steering column. Install the steering column as required or replace it. Uneven tire pressure. Inflate the tires properly. Not adjusted toe-in. Check toe-in and correct. Steering cylinder leakage. Change damaged piston rod or worn piston seals.

Front wheels wander to left or right: Hydrostatic steering unit has malfunction or wear. Inspect and replace as required. Steering cylinder malfunction. Repair or change steering cylinder. Not adjusted toe-in. Adjust toe-in wheels. Worn or loose steering linkage joints. Change or repair steering linkage. Improperly adjusted or worn front wheel bearings. Install new bearings or adjust it correctly. Tire pressure is uneven. Adjust the tire pressure.

Kubota M110GX Electrical System Troubleshooting

Battery does not charge: Loose or corroded electrical wiring connections. Clean or tighten wiring connections. Electrical terminal connectors are faulty. Terminal connectors need to be changed. Defective battery. Battery replacement required. Belt is worn or loose. Belt needs to be adjusted or changed.

Starter motor cranks slow: Low battery voltage. Charge the battery. Battery drains quickly. Battery needs service or replacement. Battery cables are disconnected or terminals are faulty. Connect wires properly or change terminals.

Starter motor won't turn: Battery is discharged or worn. Replace or charge as required. Disconnected or incorrectly connected wires. Inspect battery wires and connect correctly. Battery capacity is low. Battery is drained, charge it. Starter motor is defective. Repair or change starter.