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Kubota M9000 Troubleshooting

The Kubota M9000 is a M-Series utility tractor. This model was manufactured from 1997 to 2005. The Kubota M9000 driveline components: A V3300-TI-E vertical four-cylinder naturally aspirated diesel engine and synchronized shuttle transmission with 8 forward and 8 reverse gears, or 8-speed power shuttle transmission.

A 3.3L engine output rating is 92.1 Hp (68.7 kW) at 2600 rpm. Max. forward and reverse speed - 20.7 mph (33.3 kph). The open center hydraulic system includes a gear pump with fluid flow rate of 23.1 gpm (87.4 lpm). The main relief pressure is 2825 psi (180 bar). The rear lift capacity is 4630 lbs at 600 mm behind pin.

The 4-wheel drive models are equipped with 12.4x24 front tyres and 18.4x30 rear tyres. The 7.50x18 front tyres and 16.9x28 rear tyres fit two wheel drive tractors. The wheelbase is 88.6 inches (2250 mm). Compatible front end loaders for the Kubota M9000 tractor: LA1251 loader with a lift capacity to max height of 2755 lbs (1250 kg), or LA1301 loader with a lift capacity to max height of 2750 lbs (1248 kg).

Engine Troubleshooting
Engine won't start or difficult to start
Fuel filter is dirty - Change filter element
Closed fuel supply valve - Open supply valve to inject fuel
Air trapped in fuel system - Bleed air
Fuel injectors are damaged or dirty - Clean or replace fuel injectors
Damaged fuel injection pump - Repair or change injection pump
Low compression - Inspect cylinder block and change damaged parts
Engine stalls during operation
Coolant temperature is low - Normalize the temperature by warming up the engine
Air in fuel lines - Bleed fuel lines
Bad fuel injection - Check and adjust
Dirty fuel filter element - Filter maintenance required
Fuel injectors are defective or dirty - Service or change fuel injectors
Diesel starts and immediately stops
Timing of fuel injection pump is wrong - Adjust the fuel injection pump timing correctly
Fuel filter plugging - Change filter element
Dirty or defective injector nozzles - Service or replace injector nozzles
Fuel injection pump malfunction - Replace or repair injection pump
Air cleaner element is clogged - Change or service air cleaner element
Engine stops at idle
Too low idle RPM - Correct low idle adjustment
Damaged fuel injection pump - Replace or repair injection pump
Fuel injector nozzles are faulty - Service or replace injector nozzles
Valve clearance is wrong - Adjust valve clearance
Engine overheats
Low engine coolant - Fill radiator to proper level. Check for coolant leaks
Cooling system parts are damaged or system is dirty - Service the cooling system or replace faulty components
Engine oil level low - Add oil to the engine crankcase
Unadjusted fan belt tension or worn belt - Adjust properly or replace the belt
Defective or wrong type of thermostat - Check thermostat, replace if necessary
Engine lacks power
Clogged or damaged injectors - Test fuel injectors and change if necessary
Uneven fuel injection pressure - Adjust to correct pressure
Air filter element clogging - Install new filter element or replace it
Oil filter is clogged - Change or clean engine oil filter element
Diesel engine is overloaded - Reduce load or shift to lower gear
Improper valve clearance - Have it adjusted
Incorrect low idle setting - Need to adjust idle speed
Clogged fuel hoses or pipes - Clean fuel pipes and hoses
Engine low compression: Worn or damaged valves - Install new valves
Engine knocks or noises
Unadjusted fuel injection pump timing - Check the fuel injection pump timing setting
Dirty or defective injector nozzles - Service or replace injector nozzles
Engine oil level is low - Need to add engine oil
Engine not warmed up - Warm up the engine to required temperature
Worn main bearings or crankshaft - Worn parts replacement required
Piston rings are defective or broken - Replace the piston rings as required
Loose flywheel screws - Check the flywheel screws and tighten as required
Diesel engine consuming too much oil
Oil leaks: Worn seals or gaskets - Defective components must be replaced
Oil viscosity is wrong - Use oil of proper viscosity
Piston rings are stuck or broken - Piston rings need to be replaced
Valve guides or stems are damaged - Replace defective valves
Scuffed cylinder liners or pistons - Check liners and pistons, change as required

Electrical System Troubleshooting
Battery won’t charge
Battery is defective - Battery change required
Bad battery electrical wire harness - Check wires for malfunctions, repair or replace
Battery terminals and cables are loose or corroded - Clean or tighten cables and terminals
Belt wear or improper belt tension adjustment - Adjust belt tension as required or replace belt
Starter cranks slow
Low battery capacity - Charge the battery
Battery discharges quickly - Service or replace the battery
Damaged battery cable harness - Check electrical cables for damage, repair or replace
Corroded or loose terminals and cables - Clean or tighten cables and terminals
Starter does not work
Battery voltage is low - Charge the battery
Discharged or faulty battery - Recharge or replace battery
Defective starter motor - Change or repair starter
Wiring is improperly connected or disconnected - Need to reconnect the wiring properly

Transmission Troubleshooting
Hard to shift gears
Worn or misadjusted clutch - Adjust correctly or replace
Stuck or damaged gear shift linkage - Service or change the shift linkage
Worn or damaged shift forks - Replace defective shift forks
Gear shifting mechanism is worn - Change worn components
Low transmission fluid pressure
Insufficient fluid supply - Check transmission fluid level and add it as required
Clogged transmission oil filter (if equipped) - Change or clean the transmission oil filter
Damaged relief valve - Replace the valve
Transmission is excessively noisy
Broken or worn bearings - Change the bearings
Not enough fluid in transmission - Fill the transmission housing with fluid
Dirty transmission oil - Change transmission oil
Gears are worn or backlash is improper - Replace gears or set backlash correctly
Shift forks are worn or damaged - Replace the shift forks
Transmission fluid leakage
Gaskets or seals are broken - Install new gaskets or seal
Cracked transmission housing - Housing needs to be replaced

Hydraulics Troubleshooting
Excessive hydraulic system heat
System pressure has not been adjusted correctly - Pressure needs to be adjust correctly
Main relief valve failure or incorrect setting - Adjust relief valve or change if required
Contaminated hydraulic fluid - Change hydraulic fluid
Air in hydraulic system - Inspect the suction line, pump seals, and fittings
Hydraulic oil pressure is low
Lack of hydraulic oil - Add oil to the hydraulic system
Hydraulic oil filter element is dirty - Clean or change hydraulic filter
Hydraulic pump is faulty - Test pump performance and replace pump if necessary
Hydraulic control valve is faulty or out of adjustment - Set correctly or replace
Defective hydraulic cylinder - Check cylinder parts for wear or damage and replace if necessary
Hydraulic pipes are leaking - Detect leaks in the system and fix it
3-point hitch does not raise or raises very slowly
Hydraulic oil level is low - Add oil to the hydraulic system
Cold hydraulic fluid - Warm up the fluid
Dirty hydraulic oil filter - Clean the hydraulic filter element or replace if necessary
Damaged hydraulic oil pump - Test the pump performance and change pump if required
Defective or misadjusted main relief valve - Adjust or replace the relief valve
Hydraulic control valve is not set properly or defective - Adjust correctly or replace
Defective hydraulic cylinder - Inspect cylinder components for damage or wear and change if required
Damaged or disconnected suction pipe - Connect or replace
Hitch can't drop or drops too slowly
Hydraulic spool valve block is not set properly or defective - Change or adjust correctly
Hydraulic cylinder failure - Inspect the hydraulic cylinder parts for damage or wear and replace if required
Worn lift arm shaft - Install a new shaft
The hitch is defective if there is internal mechanical damage - Replace worn or defective hitch parts
Hitch jerks when drop or lift
Aeration in hydraulic system - Inspect the suction pipe, fittings, and pump seals
Dirty hydraulic fluid - The fluid must be changed
Defective hydraulic pump - Flow-rate pump and change pump if necessary
Hydraulic spool valve is faulty or out of adjustment - Adjust properly or replace
Hydraulic cylinder is defective - Inspect cylinder components for damage or wear and change if required

Steering System Troubleshooting
Difficult steering
Steering column is worn or improperly fitted - Refit properly or change the steering column
Air enters in steering system - Need to bleed air
Not adjusted toe-in - Adjust toe-in correctly
Tires are not properly inflated - Inflate tires as required
Steering pump stopped working - Check the steering pump and replace if necessary
Hydrostatic steering unit is worn or defective - Check and replace as required
Relief valve malfunction or sticking - Replace or service relief valve
Steering fluid level is low - Check fluid level and add steering fluid as required
Steering system oil leak - Retighten the connections of the hydraulic steering lines and hoses
Excessive play in steering
Steering column shaft or coupling is worn out - Change faulty component
Damaged or worn hydrostatic steering unit - Inspect and replace as required
Steering pump failure - Steering pump needs to be replaced or repaired
Steering linkage or tie-rod ends are worn - Change failed component
Tractor pulls to left or right
Tires are incorrectly inflated - Inflate as required
Incorrect toe-in - Check toe-in and correct
Worn or faulty steering tie-rod ends or linkage - Change damaged part
Damaged or worn hydrostatic steering unit - Change or repair steering unit if required
Steering cylinder is worn - Repair or replace steering cylinder
Improperly adjusted or worn front hub bearings - Adjust correctly or install new bearings



Farm Tractors Technical Specifications
JD 1026R JD 3650 JD 6400 JD 7810
FORD 1320 FORD 2810 FORD 3930 FORD 5600
MF 250 MF 690 MF 3060 MF 6180
NH TC48DA NH M100 NH T7550 NH 8560
CASE IH 495 CASE IH 1255XL CASE IH 2140 CASE IH 2294