Troubleshooting - White Outdoor LT-542KH Operator's Manual

• Clean the engine and the entire unit thoroughly.
• Lubricate all lubrication points. Wipe the entire
machine with an oiled rag to protect the painted
metal surfaces.
• Refer to the engine manual for correct engine
storage instructions.
completely drained of fuel to prevent gum deposits
from forming on essential carburetor parts, fuel
lines and fuel tanks.
• It is not necessary to remove the battery from the
tractor for storage. However, clean the top of the
SECTION 12: TROUBLESHOOTING
Trouble Possible Cause(s)
Engine fails to start PTO lever engaged.
Parking brake not engaged.
Spark plug wire(s) disconnected.
Throttle control not in correct position
Choke not activated.
Fuel tank empty, or stale fuel.
Blocked fuel line.
Faulty spark plug.
Engine flooded.
Engine runs erratic Unit running with CHOKE applied.
Spark plug wire loose.
Blocked fuel line or stale fuel.
Vent in gas cap plugged.
Water or dirt in fuel system.
Dirty air cleaner.
Engine overheats Engine oil level low.
Air flow restricted.
Engine hesitates at high Spark plug gap too close.
RPM
Idles poorly Spark plug fouled, faulty or gap too
wide.
Dirty air cleaner.
Excessive vibration Cutting blade loose or unbalanced or
damaged.
Mower will not mulch Engine speed low.
grass Wet grass.
Excessively high grass.
Dull blade.
Uneven cut Deck not balanced properly.
Dull blade.
Uneven tire pressure.
The engine must be
battery and make sure it has full charge.
Disconnect the negative terminal of the battery
before storing the tractor.
• Store unit in a clean, dry area.
NOTE:
When storing any type of power equipment in
an unventilated or metal storage shed, care should be
taken to rustproof the equipment. Using a light oil or
silicone, coat the equipment, especially any chains,
springs, bearings and cables.
Corrective Action
Place PTO lever in disengaged (OFF) position.
Engage parking brake.
Connect wire(s) to spark plug.
Place throttle lever to fast or choke (if so equipped).
Activate choke.
Fill tank with clean, fresh (less than 30 days old) gas.
Clean fuel line or replace fuel filter, if so equipped.
Clean, adjust gap or replace plug.
Crank engine with throttle in FAST position.
Place throttle lever in FAST position.
Connect and tighten spark plug wire.
Clean fuel line; fill tank with clean, fresh (less than 30 days old)
gasoline. Replace fuel filter, if so equipped.
Clear vent or replace cap if damaged.
Drain fuel tank. Refill with clean, fresh (less than 30 days old)
gasoline.
Replace air cleaner cartridge/element or clean pre-cleaner, if
so equipped.
Fill crankcase with proper capacity and weight of oil.
Clean grass clippings and debris from around the engine's
cooling fins and blower housing.
Remove spark plug and reset the gap to .030".
Replace spark plug. Set plug gap to .030".
Replace air cleaner cartridge/element or clean pre-cleaner, if
so equipped.
Tighten blade and spindle. Balance blade.
Replace blade.
Place throttle in FAST position.
Do not mow when grass is wet; wait until later to cut.
Mow once at a higher cutting height, then mow again at desired
height or make a narrower cutting swath.
Sharpen or replace blade.
Perform side-to-side deck adjustment.
Sharpen or replace blade.
Check tire pressure in all four tires.
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