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John Deere X300R Troubleshooting
The
John Deere X300R lawn tractor from Select X300 Series was manufactured between
2007 and 2015. The John Deere X300R tractor can be powered by the following
engines: Kawasaki FH491V 4-cycle V-twin cylinder OHV air-cooled gasoline engine
with a rated power of 17 Hp (12.7 kW) or Kawasaki FS600V 4-cycle V-Twin cylinder
OHV air-cooled gasoline engine with a rated power of 18.5 Hp (13.5 kW).
This model is fitted with a belt-driven hydro transmission with infinite
forward and reverse gears. The John Deere X300R is equipped with a
manual steering, electric PTO clutch, wet disc brakes, 15x6.00-6 front
tires, and 20x10.00-8 rear tires. The operating weight is 704 lbs (319
kg). The tractor is compatible with а 42" mid-mount 2-blade
rear-discharge mower deck with a cutting height of 1.0-3.8 in (25-95 mm)
and mechanical lift system.
| Engine Troubleshooting |
| Engine starts up hard or doesn't start |
| Empty fuel tank - Fill it up |
| Incorrect fuel grade - Change gasoline |
| There is air in the fuel system - Bleed the system |
| Damaged spark plug wiring connection - Inspect the spark plug wire connection, replace or repair |
| Spark plug is faulty - Replace spark plug |
| Fuel filter is clogged - Fuel filter needs to be replaced |
| Brake pedal not pushed down - Push the brake pedal down |
| Carburetor settings incorrect - Adjusting as required |
| Poor engine compression - Check cylinder block and replace damaged components |
| Throttle cable is adjusted improperly or worn - Replace cable or adjust properly |
| Air intake grill is clogged - Clean and wash as required |
| Defective ignition - Inspect ignition system and change failed components |
| Stuck or defective throttle cable - Clean or replace the cable |
| Air filter element is plugged - Replace or service air filter |
| Clogged or defective fuel pump - Inspect fuel pump and change as required |
| Engine starts and stops immediately |
| Faulty spark plug - Install new spark plug |
| Carburetor is clogged or defective - Clean or install new carburetor |
| Ignition coil is faulty - Change ignition coil as required |
| Valve springs are loose or broken - Valve springs need to be changed |
| Stuck valves - Service the valves |
| Engine oil level is insufficient - Fill up the oil to required level |
| Engine is running overloaded - Reduce the load |
| Air intake screen is plugged - Clean and wash as required |
| Carburetor mixture is too lean - Set the carburetor correctly |
| Ignition timing is improper - Adjust ignition timing as required |
| Improper valve setting - Valves needs to be set correctly |
| Abnormal engine knocking or noise |
| Low octane gasoline - Change gasoline |
| Engine is running overloaded - Reduce the load |
| Engine oil level low - Check oil level and add oil as required |
| Wrong adjustment of low idle speed - Correct the settings |
| Dirty or damaged fuel pump - Check fuel pump and change if required |
| Crankshaft or main bearings are worn out - Have bearings or crankshaft replaced |
| Excessive valve clearance - Adjustment procedure required |
| Damaged cylinder bore or piston rings - Change defective components |
| Carburetor is incorrectly adjusted or clogged - Carburetor needs to be adjusted correctly or cleaned |
| Air filter is dirty - Service or change air filter |
| Dirty or damaged fuel pump - Test fuel pump and replace if necessary |
| Ignition system problems - Inspect ignition system and change faulty parts |
| Damaged cylinder-head gasket - Install new head gasket |
| Burned or stuck valves - Replace or service valves |
| Worn or damaged push rod - Push rod needs to be changed |
| Cylinder block components are worn - Replace defective components as required |
| Choke didn't open fully - Adjust or change choke cable |
| Carburetor main jet adjustment is incorrect - Adjust it properly |
| Faulty or loose spark plug - Tighten or replace spark plug |
| Worn, stuck, or burned valves - Clean or replace valves |
| Sleeve, piston, or rings are damaged - Change faulty parts |
| Improper valve clearance - Adjust valve clearance according to specifications |
| Gaskets or seals are excessively worn - Worn parts need to be replaced |
| Valve stems and guides are worn - Replace the valves |
| Worn or broken piston rings - Change the piston rings as required |
| Scuffed piston or cylinder liner - Check piston and liner, install new parts as required |
| Breather pipe or hose is plugged - Replace or service |
| Hydrostatic Transmission Troubleshooting |
| Hydrostatic transmission makes excessive noise |
| Speed control linkage is worn or unadjusted - Change or adjust linkage |
| Excessive transmission load - Reduce transmission load |
| Contaminated transmission fluid or low fluid level - Top up to proper level or change transmission fluid |
| Damaged or worn components of hydrostatic transmission - Check hydrostatic transmission components for defect or damage and change if necessary |
| Shift linkage is worn or rusty - Replace or lubricate the linkage |
| Hydrostatic pump is blocked or defective - Replace or repair pump |
| Faulty or misadjusted transmission shift control parts - Change or adjust correctly |
| Transmission fluid level is low - Fill the transmission housing to proper fluid level |
| Worn or faulty drive pulley - Install a new pulley |
| Shifting linkage is broken or misadjusted - Change or adjust linkage |
| Bent or unadjusted speed control pedal linkage - Change or adjust linkage |
| Broken transmission gaskets or seals - Install new seals or gaskets |
| Final drive shaft is leaking - Install new shaft seals |
| Cracked transmission housing - Replace housing or transmission assembly |
| Mower Deck Troubleshooting |
| Excessive mower vibration |
| Dirty or worn mower drive sheave - Replace or service sheave |
| Drive belt is worn or loose - Install a new belt or adjust belt tension |
| Cutting blades are bent or unbalanced - Balance or replace blades |
| Blade mounting bolts are loose - Bolts should be tightened |
| Discharge chute keeps clogging |
| Ground speed is too fast - Need to slow down |
| Long grass - Adjust mower to lower cutting height |
| Engine runs at low revs - Choke is not fully opening |
| Low cutting height - Use a higher cutting height |
| Mower drive belt installation is improper - Install drive belt correctly |
| Deck clogged with grass clippings - Clean mower deck as required |
| Blades are too dull - Sharpen the blades |
| Worn or damaged blades - Blades need to be replaced |
| Fast ground speed - Use a slower speed |
| Low cutting height - Adjust mower to higher cutting height |
| Filled grass bag - Clean grass bag |
| Bumpy or not smooth lawn - Lawn needs to be leveled |
| Mower deck set to low cutting - Raise the cutting height |
| Mowing speed is too high - Select a slower speed |
| Incorrectly leveled mower deck - Deck needs to be adjusted properly |
| Blades are bent or worn - Change the blades |
| Low tire pressure - Inflate tires correctly |
| Low tire inflation - Correct tire pressure |
| Incorrect level of mower deck - Level the deck correctly |
| Excessive blade dullness - Need a blade sharpening |
| Damaged or worn blades - Replace the blades |
| Discharge area is clogged - Clean out the mower deck |
| Broken mower deck shell - Rebuild or replace mower deck |
| Loose or faulty mower spindle - Repair or replace the spindle |
| Electrical Troubleshooting |
| Battery won’t charge |
| Wiring connections are corroded or loose - Clean or tighten connections |
| Defective battery terminal clamps - Terminal clamps need to be replaced |
| Battery bad cell - Battery change required |
| Battery power is low - Charge the battery |
| Battery drains quickly - Service charging system or replace battery |
| Bad battery terminals or disconnected wiring - Connect cables correctly or replace terminals |
| Battery is drained or defective - Battery needs to be recharged or replaced |
| Wiring harness is disconnected or improperly connected - Check wiring harness and connect as required |
| Low battery output - Recharge the battery |
| Spark plug gapped improperly or faulty - Replace or clean and gap |
| Starter motor or solenoid failing - Repair starter or replace solenoid |
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| Lawn and Garden Tractors Technical Specs |
