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John Deere 2305 Troubleshooting
The
John Deere 2305 is a 4-wheel drive sub-compact utility tractor from 2000 Twenty
series. This model was manufactured between 2005 and 2010. The John Deere 2305
powertrain system components: a 68.1 cu.in (1.1L) Yanmar 3TNV76 four-cycle
three-cylinder indirect injection naturally aspirated liquid-cooled diesel
engine with a maximum power of 24.1 hp (18 kW), and 2-range hydrostatic
transmission with infinite forward and reverse gears.
The engine has a mechanical fuel injection pump, forced lubrication with
trochoid pump, oil filter with single element, air cleaner with dual dry
element. The maximum forward speed - 8.3 mph (13.4 km/h), maximum
reverse speed - 8 mph (12.8 km/h). The open center hydraulic system
includes a gear pump with a rated capacity of 2.9 gal/min (11 l/min).
The hydraulic pressure is 137 bar (1990 psi). The John Deere 2305 is
equipped with a power steering system, wet disc brakes, 18x8.50-10 front
tires, and 26x12.00-12 rear tires. The wheelbase is 57.1" (1450 mm).
Compatible attachments for the John Deere 2305 tractor: 54", 62"
mid-mount 3-blade mower decks with cutting height of 1.0-5.0" (25-127
mm) and hydraulic lift system, or John Deere 200CX front-end loader with
lift capacity to full height of 902 lbs (409 kg) and breakout force of
2239 lbs (1015 kg).
| Engine Troubleshooting |
| Diesel will not start or hard to start |
| Clogged fuel filter element - Change filter element |
| Fuel is not supplied from the tank to the system - Check the fuel shut-off valve |
| Air in fuel pipes - Bleed fuel pipes |
| Dirty or damaged injectors - Inspect fuel injectors and replace if necessary |
| Fuel injection pump is defective - Rebuild or install a new injection pump |
| Bad compression - Check cylinder block and replace damaged components |
| Diesel stalls while running |
| Engine is not fully warmed up - Warm up to required temperature |
| There is air in the fuel system - Bleed the system |
| Irregular fuel injection - Adjust fuel injection timing |
| Fuel filter plugging - Clean or change the filter |
| Dirty or faulty injectors - Check fuel injectors and replace if required |
| Diesel starts and immediately shuts off |
| Timing of fuel injection pump is not adjusted - Correct injection timing |
| Fuel filter is clogged - Change filter element |
| Dirty or defective injector nozzles - Test injector nozzles and replace as required |
| Fuel injection pump is defective - Rebuild or replace pump |
| Clogged air cleaner element - Air cleaner maintenance required |
| Too low idle RPM - Need to adjust idle speed |
| Fuel injection pump failure - Install a new fuel pump or repair |
| Dirty or defective injector nozzles - Install a new set of well-balanced nozzles |
| Valve out of adjustment - Correct valve clearance needs to be set |
| Engine coolant is insufficient - Fill the radiator to the required level. Check for leaks or other malfunctions |
| Cooling system parts are failed or system is clogged - Flush cooling system or replace faulty parts |
| Engine oil level is low - Add oil to the engine crankcase |
| Damaged fan belt or incorrect belt tension - Adjust correctly or change the belt |
| Defective thermostat - Test thermostat opening temperature, replace as required |
| Fuel injectors are damaged or dirty - Inspect fuel injectors and replace if necessary |
| Fuel injection pressure is incorrect - Test fuel injection pressure and adjust it correctly |
| Air filter clogging - Service or replace the air filter |
| Dirty oil filter element - Change or service engine oil filter |
| Engine overloaded - Reduce engine load |
| Incorrect valve clearance - Check and adjust |
| Incorrectly adjusted low idle speed - Adjust low idling as recommended |
| Dirty fuel pipes or hoses - Clean fuel hoses and pipes |
| Low engine compression: Valves are broken or leaking - Replace the valves |
| Fuel injection pump out of timing - Adjust the fuel injection pump timing correctly |
| Damaged or clogged injector nozzles - Test injector nozzles and replace as required |
| Low engine oil level - Add oil to the engine crankcase |
| Engine is not warmed up to the required temperature - Warm up to required temperature |
| Main bearings or crankshaft wear - Need to install new components |
| Damaged or defective piston rings - Have piston rings replaced |
| Flywheel mounting screws are loose - Tighten the screws |
| Excessive engine oil consumption |
| External oil leaks: Gaskets or seals are excessively worn - Replace defective parts |
| Wrong oil viscosity - Use oil of correct viscosity |
| Damaged or seized piston rings - Replace piston rings |
| Valve guides and stems are worn - Valves replacement required |
| Cylinder liners or pistons are worn - Check pistons and liners, change as required |
| Electrical System Troubleshooting |
| Battery cannot be charged |
| Defective battery - Install a new battery |
| Damaged battery cable harness - Check electrical cables for damage, repair or replace |
| Corroded or loose battery cables and terminals - Tighten or service cables and terminals |
| Incorrect belt tension adjustment or worn belt - Replace belt or adjust belt tension correctly |
| Low battery voltage - Charge the battery |
| Battery will not hold charge - Service or replace the battery |
| Battery electrical wire harness damage - Check battery wires for damage, replace or change |
| Corroded or loose terminals and cables - Tighten or clean terminals and cables |
| Starter motor is not working |
| Low battery voltage - Battery is drained, recharge it |
| Discharged or faulty battery - Replace or charge as required |
| Faulty starter motor - Starter needs to be changed |
| Disconnected or incorrectly connected cables - Need to reconnect cables correctly |
| Hydrostatic Transmission Troubleshooting |
| HST transmission makes excessive noise |
| Insufficient transmission fluid level or contaminated fluid - Add the fluid to proper level or pour fresh fluid |
| Defective or out of adjustment speed control rod linkage - Adjust or repair rod linkage |
| Damaged relief valve - Change relief valve |
| Excessive transmission load - Load needs to be reduced |
| Transmission components are worn or damaged - Inspect transmission components and replace if necessary |
| Transmission fluid is too hot |
| Lack of transmission fluid supply - Check transmission fluid level and add it as required |
| Transmission oil filter element is dirty - Change or clean the transmission oil filter |
| Cooling components are clogged or damaged - Inspect all cooling components and service or replace if necessary |
| Transmission overload - The load should be reduced |
| Oil level is low - Add transmission oil as required |
| Charge pressure is insufficient - Check charge pressure |
| Relief valve is worn or defective - Install a new relief valve |
| Gaskets or seals are defective Change defective gaskets or seal |
| Internal transmission case pressure is too high - Change or repair damaged parts |
| Clogged transmission fluid drain line - Service or replace drain line |
| Hydraulics Troubleshooting |
| Hydraulic system is overheated |
| Hydraulic system pressure is not adjusted correctly - Correct adjustment is required |
| Defective or misadjusted main relief valve - Set up or change the relief valve |
| Hydraulic oil is dirty - Hydraulic oil change required |
| Hydraulic system sucks air - Inspect the suction line, pump seals, and fittings |
| Insufficient hydraulic fluid pressure |
| Not enough hydraulic fluid in the system - Fill the hydraulic system with oil |
| Hydraulic oil filter element is dirty - Replace hydraulic filter element or service if necessary |
| Damaged hydraulic oil pump - Check pump performance and change it if necessary |
| Hydraulic spool valve block is faulty or out of adjustment - Change or adjust properly |
| Broken hydraulic cylinder - Check cylinder components for wear or damage and change if necessary |
| Hydraulic lines are leaking - Detect leaks in the system and fix it |
| Hitch cannot be raised or raising is too slowly |
| Hydraulic oil level is insufficient - Fill the hydraulic system with oil |
| Hydraulic oil is too cold - Allow oil to warm |
| Hydraulic fluid filter clogging - Clean the hydraulic filter element or replace if necessary |
| Hydraulic pump is faulty - Check pump capacity and change if necessary |
| Main relief valve malfunction or incorrect adjustment - Set up or change the relief valve |
| Hydraulic spool valve block is not set properly or defective - Change or set correctly |
| Hydraulic cylinder is not working - Inspect the hydraulic cylinder parts for damage or wear and replace if required |
| Broken or disconnected suction line - Connect or replace |
| Hitch not dropping or hitch drops slowly |
| Hydraulic control valve is not set properly or defective - Replace or adjust correctly |
| Broken hydraulic cylinder - Inspect the hydraulic cylinder parts for damage or wear and replace if required |
| Hitch rock shaft is worn Install a new shaft |
| Mechanical components of the hitch are defective - Replace damaged or worn hitch components |
| Hitch raises or lowers not smoothly |
| Hydraulic system sucks air - Inspect the pump seals, suction pipe, and fittings |
| Hydraulic oil is contaminated - Fill up with fresh hydraulic oil |
| Defective hydraulic pump - Test the pump performance and change pump if required |
| Hydraulic spool valve is faulty or out of adjustment - Adjust correctly or replace |
| Hydraulic cylinder failure - Check cylinder components for wear or damage and change if necessary |
| Steering System Troubleshooting |
| Steering wheel is hard to turn |
| Steering column is damaged or improperly mounted - Replace the steering column or mount it properly |
| Air in steering system - Bleed air |
| Incorrect toe-in adjustment - Adjust toe-in properly |
| Tires are deflated - Need to inflate tires |
| Defective hydraulic steering pump - Install a new steering pump |
| Power steering control valve is defective or worn - Repair or replace the steering valve |
| Stuck or faulty relief valve - Replace or service relief valve |
| Lack of steering fluid - Need to add steering oil |
| Oil leakage in the steering system - Tighten the steering line and hose joints |
| Excessive play in steering |
| Steering column shaft or coupling has maximum wear - Replace defective part |
| Power steering control valve has wear or damage - Change or repair steering control valve if required |
| Worn steering pump - Steering pump needs to be repaired or replaced |
| Steering tie-rod ends or linkage are worn - Change damaged part |
| Tractor pulls to right or left |
| Tires are improperly inflated - Inflate as necessary |
| Improper toe-in adjustment - Adjust toe-in correctly |
| Faulty or worn steering tie-rod ends or linkage - Change failed part |
| Power steering control valve is worn or defective - Change or repair steering valve if required |
| Steering cylinder is damaged - Change or repair steering cylinder |
| Incorrectly adjusted or damaged front hub bearings - Change or adjust the bearings properly |
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| Farm Tractors Technical Specifications |
