Common Engine Problems for John Deere X380 Lawn Tractor
- Dirt in fuel system or fuel is old.
- Replace fuel with fresh stabilized fuel.
- Obtain fuel from another supplier before suspecting machine problems.
- Suppliers blend fuels differently and changing suppliers will generally solve any performance problems.
- Fuel blended with alcohol or ether may contribute to performance problems by causing gum and varnish deposits, especially if fuel is stored for several weeks or more.
- Obtain fresh fuel.
- Brake pedal not depressed.
- Mower/PTO is engaged.
- Defective brake, mower engagement, or key switch.
- Carburetor is not adjusted properly or dirty.
- Plugged fuel filter.
- Faulty spark plug.
- Stale or improper fuel.
- Loose or corroded electrical connections.
- Engine oil viscosity.
- Cooling fins plugged.
- Loose electrical connections.
- Choke or throttle cable sticking.
- Fuel line or fuel filter plugged.
- Stale or dirty fuel.
- Improper fuel.
- Air cleaner element plugged.
- Faulty spark plug.
- Stale or dirty fuel.
- Plugged fuel filter.
- Fuel tank vent plugged.
- Dirt in fuel filter.
- Cooling fins plugged.
- Loose hose connection at fuel filter or fuel pump.
- Engine air intake screen plugged.
- Cooling fins plugged.
- Engine oil low or too high.
- Engine operated too long at a slow idle speed.
- Spark plug not gapped correctly.
- Faulty spark plug.
- Operator raising off the seat.
- Stale or low octane fuel.
- Engine overloaded.
- Low engine speed.
- Oil level low.
- Fuel tank less than half full of fuel.
- Operator raising off of the seat.
- Faulty spark plug.
- Operator raising off of the seat.
- Engine overheating.
- Too much oil in engine.
- Dirty air cleaner.
- Faulty spark plug.
- Travel speed is too fast for conditions.
- Improper fuel.
- Choke is not fully open.
- Air filter is dirty or oil soaked.
- Choke partially engaged.
- Ignition air gap not adjusted properly.
Common Electrical Problems for John Deere X380 Lawn Tractor
- Brake pedal is not depressed.
- Mower is engaged.
- Battery terminals are corroded.
- Battery not charged.
- Transmission is in reverse.
- Blown fuse.
- Fuse in starting circuit is blown—See your authorized dealer.
- Dead cell in the battery.
- Battery cables and terminals are dirty.
- Low engine speed or excessive idling.
- Light plug disconnected.
- Loose or burned out bulb.
Common Machine Problems for John Deere X380 Lawn Tractor
- Attachment drive belts worn or damaged.
- Traction drive belt damaged or worn.
- Dirt on drive sheaves.
- Parking brake locked.
- Transmission hydraulic oil level low.
- Free-wheeling lever is engaged.
- Linkage out of adjustment.
- Deck is adjusted to high. Move the deck leveling knob to the next higher position and level deck.
Common Mower Problems for John Deere X380 Lawn Tractor
- Travel speed too fast.
- Grass too long.
- Grass too wet.
- Engine rpm not at wide open throttle.
- Restricted air flow.
- Belt installed incorrectly.
- Travel speed too fast.
- Engine rpm not at wide open throttle.
- Mower deck needs cleaning.
- Debris in sheaves.
- Worn belt.
- Belt tension is incorrect.
- Debris on mower deck or in sheaves.
- Damaged drive belt.
- Damaged sheaves or sheaves out of alignment.
- Blades out of balance.
- Cutting too low.
- Mower wheels not adjusted correctly.
- Turning speed too fast.
- Ridges in terrain.
- Rough or uneven terrain.
- Low tire pressure.
- Engine rpm too low.
- Travel speed too fast.
- Debris wrapped around mower spindles.
- Adjust cutting height to remove only 1/3 of grass at a time.
- Mower deck not leveled properly.
- Travel speed too fast.
- Blades are dull.
- Mower wheels not adjusted correctly.
- Tire pressure unequal.
- Adjust cutting height to remove only 1/3 of grass at a time.
- Normal condition.
