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Kubota BX2230 Troubleshooting
The
Kubota BX2230 is a 4WD sub-compact utility tractor from BX30 series. This model
was manufactured between 2004 and 2006. The Kubota BX2230 powerline components:
a 54.8 (0.9L) Kubota D902-E3B 4-cycle 3-cylinder indirect injection water-cooled
diesel engine with a max power of 22 hp (16.4 kW), and two-range hydrostatic
transmission with infinite forward and reverse gears.
The maximum forward speed - 8.5 mph (13.7 km/h), max reverse speed - 6.2
mph (10 km/h). The open center hydraulic system includes a gear pump
with a flow of 5.5 gpm (20.8 lpm). The main relief pressure is 127 bar
(1850 psi). The tractor is equipped with a hydrostatic power steering,
wet disc brakes, 18x8.50-8 front tires, and 26x12.00-12 rear tires. The
wheel base is 55.1" (1390 mm).
The Kubota BX2230 is compatible with the following attachments: 54" or
60" mid-mount 3-blade mower decks with cutting height of 1.0-4.0"
(25-102 mm), 49" front-mount snowblower with clearing height of 10.5"
(260 mm), 54" front-mount blade with lift height of 7.5" (190 mm), and
Kubota LA211 front-end loader with lift capacity to full height of 460
lbs (208 kg).
| Engine Troubleshooting |
| Engine won't start or hard to start |
| Clogged fuel filter element - Change the filter element |
| Fuel shut-off valve closed - Open the fuel shut-off valve |
| There is air in the fuel system - Bleed the system |
| Dirty or faulty injectors - Inspect fuel injectors and replace if necessary |
| Fuel injection pump is broken - Change pump or rebuild it |
| Low engine compression - Inspect cylinder block and change worn parts |
| Engine shuts off unexpectedly during operation |
| Engine is not preheated - Warm up to required temperature |
| Fuel lines leaking air - Tighten clamps, change faulty pipes |
| Improper fuel injection - Fuel injection settings required |
| Fuel filter plugging - Service or replace the filter |
| Dirty or faulty injectors - Inspect fuel injectors and replace if necessary |
| Diesel starts but suddenly stops |
| Incorrect setting of fuel injection pump timing - Fuel pump timing settings need to be corrected |
| Fuel filter plugging - Replace the filter element |
| Fuel injector nozzles are damaged or dirty - Test injector nozzles and replace as required |
| Damaged fuel injection pump - Rebuild or install a new injection pump |
| Dirty air cleaner element - Change or service air cleaner element |
| Engine stalls at low idle speed |
| Incorrectly adjusted low idle speed - Correct low idle adjustment |
| Fuel injection pump failure - Replace or rebuild injection pump |
| Fuel injector nozzles are dirty - Test injector nozzles and replace as required |
| The valve clearance is incorrect - Correct valve clearance needs to be set |
| Insufficient coolant - Coolant needs to be refilled. Check the components of cooling system |
| Cooling system parts are failed or system is dirty - Service the cooling system or change faulty parts |
| Engine oil level low - Fill up the oil to required level |
| Broken fan belt or improper belt tension - Replace or adjust belt tension properly |
| Thermostat malfunction - Check and change if necessary |
| Faulty or dirty injectors - Test fuel injectors and change if necessary |
| Incorrect fuel injection pressure - Test fuel injection pressure and adjust it correctly |
| Air filter element clogging - Replace filter or install new filter element |
| Oil filter element clogged - Clean or change engine oil filter |
| Engine overloaded - Reduce load on the engine |
| The valve clearance is incorrect - Check and adjust as required |
| Incorrectly adjusted low idle speed - Test and adjust |
| Dirty fuel hoses or pipes - Clean fuel pipes and hoses |
| Engine low compression: Intake or exhaust valves are damaged - Install new valves |
| Incorrectly set fuel injection pump timing - Adjust the fuel injection pump timing correctly |
| Damaged or clogged injector nozzles - Check and change nozzles as required |
| Not enough engine oil - Fill up the engine oil |
| Coolant temperature is low - Warm up the engine |
| Worn crankshaft or main bearings - Install new parts |
| Stuck or worn piston rings - Piston rings need to be replaced |
| Loose flywheel bolts - Check flywheel bolts and tighten properly |
| Oil leaking: Damaged seals or gaskets - Change worn parts according to specifications |
| Oil viscosity is incorrect - Use correct viscosity oil |
| Stuck or worn piston rings - Replace piston rings |
| Worn valve guides and valve stems - Need to replace the valves |
| Cylinder liners or pistons are scored - Inspect pistons and liners, change as required |
| Electrical System Troubleshooting |
| Battery does not charge |
| Battery bad cell - Battery replacement required |
| Battery electrical wire harness failure - Inspect wires for defects, change or repair |
| Corroded or loose terminals and cables - Service or tighten battery terminals and cables |
| Belt damage or incorrect belt tension adjustment - Adjust belt tension as required or replace belt |
| Low battery output - Battery needs to be recharged |
| Battery is not holding charge - Battery needs service or replacement |
| Battery cable harness damage - Check battery cables for damage, change or repair |
| Corroded or loose cables and terminals - Tighten or service cables and terminals |
| Battery voltage is low - Battery is drained, charge it |
| Discharged or defective battery - Recharge or replace battery |
| Starter motor is defective - Repair or replace starter |
| Disconnected or incorrectly connected cables - Inspect battery cables and connect correctly |
| Hydrostatic Transmission Troubleshooting |
| Hydrostatic transmission makes excessive noise |
| Contaminated oil or low oil level - Change the oil or fill to required level |
| Damaged or not adjusted speed control rod linkage - Adjust or repair rod linkage |
| Faulty relief valve - Change the valve |
| Transmission is under excessive load - Reduce loading |
| Defective or worn components of hydrostatic transmission - Change or repair damaged parts |
| Transmission oil overheats |
| Insufficient fluid supply - Fill system with correct transmission fluid level |
| Plugged transmission fluid filter - Change or clean the transmission fluid filter |
| Cooling components are damaged or clogged - Inspect all cooling components and replace or repair if necessary |
| Excessive transmission load - Load needs to be reduced |
| Not enough fluid in transmission - Fill up the transmission fluid |
| Low charge pressure - Check charge pressure |
| Worn or damaged relief valve - Change the valve |
| Gaskets or seals are damaged - Seals and gaskets need to be replaced |
| Internal transmission case pressure is too high - Change or repair damaged parts |
| Oil return tube is plugged - Check tube and clean if required |
| Hydraulics Troubleshooting |
| Hydraulic system is too hot |
| Hydraulic system pressure is unadjusted - Adjust the pressure as required |
| Misadjusted or defective main relief valve - Adjust or change relief valve |
| Dirty hydraulic oil - The oil must be changed |
| Air in hydraulic system - Check the pump seals, suction line, and fittings |
| Hydraulic oil pressure is insufficient |
| Hydraulic fluid level is insufficient - Add fluid to the hydraulic system |
| Hydraulic oil filter element is dirty - Replace filter element or clean if required |
| Damaged hydraulic oil pump - Check the pump capacity and replace pump if required |
| Hydraulic spool valve block is defective or set improper - Set properly or replace |
| Hydraulic cylinder malfunction - Inspect the hydraulic cylinder parts for damage or wear and replace if required |
| Hydraulic lines are leaking - Identify leaks in the system and repair it |
| Hitch cannot be raised or raising is too slowly |
| Hydraulic oil level is insufficient - Fill the hydraulic system with oil |
| Cold oil in hydraulic system - Wait for oil to warm up |
| Hydraulic fluid filter element is dirty - Clean or change hydraulic filter |
| Hydraulic pump failure - Flow-rate hydraulic pump and replace pump if necessary |
| Main relief valve incorrect adjustment or failure - Adjust relief valve or change if required |
| Damaged or incorrect adjusted hydraulic spool valve - Replace or set correctly |
| Broken hydraulic cylinder - Check cylinder parts for wear or damage and replace if necessary |
| Damaged or loose suction line - Tighten or change |
| Three-point hitch dropping is too slow or cannot be dropped |
| Hydraulic spool valve is faulty or out of adjustment - Adjust properly or change |
| Hydraulic cylinder malfunction - Inspect cylinder components for damage or wear and change if required |
| Hitch cross shaft is damaged - Install a new shaft |
| The hitch has any internal mechanical damage - Replace damaged or worn hitch parts |
| Jerky lowering or lifting of the hitch |
| Hydraulic system sucks air - Inspect the suction pipe, fittings, and pump seals |
| Contaminated hydraulic oil - Change hydraulic oil |
| Defective hydraulic pump - Check pump capacity and change if necessary |
| Faulty or incorrect setting hydraulic spool valve - Replace or set correctly |
| Hydraulic cylinder is defective - Check cylinder parts for wear or damage and replace if necessary |
| Steering System Troubleshooting |
| Steering wheel is hard to turn |
| Defective or incorrectly installed steering column - Reinstall the steering column or change it |
| Aeration in steering system - Air-bleed steering system |
| Incorrect toe-in - Check toe-in and correct |
| Low tire pressure - Inflate the tires |
| Hydraulic steering pump is defective - Install a new steering pump |
| Worn or defective hydrostatic steering unit - Inspect and replace as required |
| Relief valve failure or seizing - Replace or service relief valve |
| Steering oil insufficient - Check and refill steering oil |
| Steering system has oil leaks - Tighten the steering hose and pipe joints |
| Excessive steering wheel free play |
| Worn steering column shaft or coupling - Replace faulty component |
| Faulty or worn hydrostatic steering unit - Repair or replace the steering unit |
| Steering pump stopped working - Steering pump needs to be repaired or replaced |
| Faulty or worn steering tie-rod ends or linkage - Change damaged component |
| Front wheels wander to right or left |
| Improper tire pressure - Check the pressure and inflate tires as required |
| Toe-in adjustment is incorrect - Adjust toe-in correctly |
| Steering linkage or tie-rod ends are defective - Change failed component |
| Defective or worn hydrostatic steering unit - Repair or replace the steering unit |
| Worn steering cylinder - Repair or change steering cylinder |
| Incorrectly adjusted or worn front hub bearings - Change or adjust bearings correctly |
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| Farm Tractors Technical Specifications |
