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Kubota BX2350 Troubleshooting
The
Kubota BX2350 is a BX50 series compact utility tractor. This model was
manufactured from 2006 to 2008. The components of Kubota BX2350 driveline
system: D902 vertical 3-cylinder indirect injection liquid-cooled diesel engine
and 2-range hydrostatic transmission.
A 54.8 cubic inches engine power is 20.4 Hp (15.2 kW), and a maximum
torque is 56.1 Nm (41.4 lb-ft) at 2200 rpm. The max. forward speed - 8.1
mph (13 km/h), a maximum reverse speed - 6.2 mph (10 km/h). The open
center hydraulic system includes a gear pump with rated capacity of 6,3
gpm (23,8 lpm).
The hydraulic system pressure is 160 bar (2320 psi). A three-point hitch
lift capacity is 990 lbs (450 kg). The 4WD Kubota BX2350 tractor fitted
with 18x8.50-10 front tires and 26x12.00-12 rear tires. The wheelbase is
55.1 inches (1390 mm). The tractor is compatible with
Kubota LA243 front
end loader. The loader has a 48" bucket and maximum lift height of 71.3"
(1810 mm).
Engine Troubleshooting |
Engine will not start or difficult to start |
Fuel filter plugging - Replace the filter element |
No fuel injection - Open fuel cock to inject fuel |
Air in fuel pipes - Bleed fuel pipes |
Dirty or damaged injectors - Clean or replace fuel injectors |
Fuel injection pump malfunctioning - Rebuild or change fuel pump |
Bad engine compression - Check and change damaged parts |
Engine stops during operation |
Engine is not preheated - Warm up the engine |
There is air in the fuel system - Bleed the system |
Bad fuel injection - Check and adjust |
Fuel filter clogging - Change the filter element |
Dirty or damaged injectors - Inspect fuel injectors and replace if necessary |
Diesel starts and immediately stops |
Timing of fuel injection pump is wrong - Adjust injection timing |
Fuel filter clogging - Change the filter element |
Fuel injector nozzles are dirty or defective - Inspect injector nozzles and change if required |
Defective fuel injection pump - Repair or install a new fuel pump |
Air cleaner element clogging - Air cleaner maintenance required |
Engine stalls while idling |
Too low idle RPM - Test and adjust |
Fuel injection pump is faulty - Rebuild or replace pump |
Fuel injector nozzles are damaged - Inspect injector nozzles and change if required |
Improper valve clearance - Check and adjust |
Lack of engine coolant - Fill cooling system to proper level. Repair any leaks if necessary |
Cooling system is dirty or cooling components are damaged - Flush cooling system or replace faulty parts |
Not enough engine oil - Need to add engine oil |
Fan belt is worn or belt tension is improper - Adjust properly or change the belt |
Defective thermostat - Replace the thermostat |
Dirty or faulty injectors - Service or change fuel injectors |
Fuel injection pressure is wrong - Adjust to correct pressure |
Clogged air filter element - Replace or clean the air filter element |
Engine oil filter is plugged - Clean or change engine oil filter |
Diesel engine overloaded - Reduce engine load |
The valve clearance is incorrect - Have it adjusted |
Low idle speed setting is incorrect - Normalize low idle speed |
Dirt in the fuel pipes or hoses - Clean fuel system hoses and pipes |
Engine compression is insufficient: Inlet or outlet valves are defective - Have valves replaced |
Incorrect setting of fuel injection pump timing - Correct injection timing |
Fuel injector nozzles are damaged - Replace fuel injector nozzles |
Not enough engine oil - Checking oil level and add if necessary |
Coolant temperature is low - Normalize the temperature by warming up the engine |
Worn main bearings or crankshaft - Crankshaft or bearings need to be replaced |
Broken or defective piston rings - Replace piston rings |
The flywheel to crankshaft bolts are loose - Tighten bolts as required |
Engine oil consumption is too high |
External oil leaks: Gaskets or seals are excessively worn - New components need to be installed |
Improper oil viscosity - Use proper viscosity oil |
Piston rings are stuck or broken - Change the piston rings as required |
Valve stems or guides are damaged - Need to replace the valves |
Cylinder liners or pistons are scuffed - Check liners and pistons, install new components as required |
Electrical System Troubleshooting |
Battery will not charge |
Battery dead cell - Change the battery |
Battery cable harness damage - Check battery cables for damage, change or repair |
Loose or corroded cables and terminals - Clean or tighten terminals and cables |
Improper belt tension adjustment or damaged belt - Install new belt or adjust belt tension as required |
Battery power is low - Low battery charging, charge as required |
Battery drains quickly - Service or change the battery |
Battery cable harness damage - Check battery cables for damage, change or repair |
Corroded or loose cables and terminals - Service or tighten battery cables and terminals |
Low battery voltage - Recharge the battery |
Drained or faulty battery - Recharge or change battery |
Starter motor is defective - Starter needs to be changed |
Wiring is improperly connected or disconnected - Need to reconnect the wiring properly |
Hydrostatic Transmission Troubleshooting |
Hydrostatic transmission is making noise |
Contaminated oil or low oil level - Pour fresh oil or add oil to proper level |
Speed control rod linkage is worn or not adjusted - Change or adjust rod linkage |
Relief valve is defective - Install a new valve |
Transmission overloaded - Reduce loading |
Defective or worn components of hydrostatic transmission - Change or repair damaged parts |
Transmission fluid is too hot |
Fluid level is low - Add transmission fluid as required |
Transmission fluid filter is dirty - Clean or replace the transmission fluid filter |
Damaged or clogged cooling components - Inspect all cooling components and service or replace if necessary |
Transmission is under excessive load - Reduce the load is required |
Low transmission fluid level - Fill the transmission housing with fluid |
Insufficient charge pressure - Test charge pressure |
Defective or worn relief valve - Replace relief valve |
Worn gaskets or seals - Install new gaskets or seal |
Internal transmission case pressure is too high - Replace or repair defective components |
Oil return tube is clogged - Inspect tube and service if required |
Hydraulics Troubleshooting |
Hydraulic system overheats |
Improper hydraulic system pressure setting - Set the pressure properly |
Defective or misadjusted main relief valve - Adjust or change relief valve |
Contaminated hydraulic oil - Change hydraulic oil |
Air leaks in hydraulic system - Check the suction line, pump seals, and fittings |
Insufficient hydraulic oil pressure |
Hydraulic oil level is low - Fill up the hydraulic oil |
Hydraulic fluid filter is clogged - Service the hydraulic filter or change if required |
Hydraulic pump failure - Check pump flow and change pump if necessary |
Faulty or incorrect setting hydraulic spool valve - Change or set correctly |
Hydraulic cylinder failure - Check cylinder parts for wear or damage and replace if necessary |
Hydraulic piping leaks - Find leaks in the system and fix it |
Hitch fails to lift or lifts slowly |
Not enough hydraulic oil in the system - Fill the hydraulic system with oil |
Cold hydraulic fluid - Warm up the fluid |
Hydraulic oil filter element is dirty - Install a new hydraulic filter element |
Hydraulic pump is faulty - Check pump flow and install new pump if necessary |
Main relief valve failure or incorrect setting - Adjust or change relief valve |
Defective or not adjusted hydraulic spool valve - Change or adjust correctly |
Hydraulic cylinder is broken - Inspect the hydraulic cylinder parts for damage or wear and replace if required |
Damaged or loose hydraulic suction line - Tighten or change it |
3-point hitch lowers slowly or won't lower |
Hydraulic spool valve block is faulty or out of adjustment - Replace or adjust correctly |
Broken hydraulic cylinder - Inspect the hydraulic cylinder parts for damage or wear and replace if required |
Hitch rock shaft is damaged - Change the shaft |
Mechanical parts of the hitch are damaged - Replace faulty or worn hitch components |
Three-point hitch raises or lowers not smoothly |
Air leaks in hydraulic system - Check the pump seals, suction pipe, and fittings |
Hydraulic oil contamination - Change the oil |
Hydraulic pump is faulty - Check the pump capacity and replace pump if required |
Hydraulic spool valve block is defective or set improper - Adjust correctly or change |
Broken hydraulic cylinder - Inspect the hydraulic cylinder components for damage or wear and change if required |
Steering System Troubleshooting |
Steering wheel is difficult to turn |
Steering column is worn or improperly fitted - Refit properly or change the steering column |
Air trapped in the steering system - Bleed air |
Incorrect toe-in adjustment - Adjust toe-in correctly |
Tire pressure is low - Tires need to be inflated |
Damaged hydraulic steering pump - Repair or change steering pump |
Faulty or worn hydrostatic steering unit - Repair or replace the steering unit |
Relief valve is seized or worn - Replace or install new relief valve |
Not enough steering oil - Check oil level and add steering oil as required |
Steering system oil leakage - Tighten connections of hydraulic hoses and pipes in steering system |
Excessive free play of steering wheel |
Steering column shaft or coupling has maximum wear - Replace defective component |
Hydrostatic steering unit is defective or worn - Repair or change the steering unit |
Damaged hydraulic steering pump - Steering pump needs to be repaired or replaced |
Steering linkage or tie-rod ends are defective - Change damaged part |
Tractor pulls to left or right |
Tires are improperly inflated - Inflate as necessary |
Improper toe-in adjustment - Adjust toe-in correctly |
Faulty or worn steering linkage or tie-rod ends - Replace failed component |
Damaged or worn hydrostatic steering unit - Change or repair steering unit if required |
Steering cylinder is faulty - Change or repair steering cylinder |
Front hub bearings are incorrectly adjusted or worn - Adjust correctly or install new bearings |
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Farm Tractors Technical Specifications |