Troubleshooting - Yard Works AutoDrive 60-1827-4 Owner's Manual

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SECTION 15: TROUBLESHOOTING
Trouble
Possible Cause(s) Corrective Action
Engine fails to start
PTO lever engaged. Place PTO lever in disengaged (OFF) position.
Parking brake not engaged. Engage parking brake.
Spark plug wire(s) disconnected. Connect wire(s) to spark plug.
Throttle control not in correct position Place throttle lever to CHOKE (if so equipped).
Choke not activated Activate choke.
Fuel tank empty, or stale fuel. Fill tank with clean, fresh (less than 30 days old) gas.
Blocked fuel line. Clean fuel line or replace fuel filter, if so equipped.
Faulty spark plug.
Clean, adjust gap or replace plug.
Engine flooded. Crank engine with throttle in FAST position.
Engine runs erratic
Unit running with CHOKE applied. Place throttle lever in FAST position.
Spark plug wire loose. Connect and tighten spark plug wire.
Blocked fuel line or stale fuel. Clean fuel line; fill tank with clean, fresh (less than 30 days old)
gasoline. Replace fuel filter, if so equipped.
Vent in gas cap plugged. Clear vent or replace cap if damaged.
Water or dirt in fuel system. Drain fuel tank. Refill with clean, fresh (less than 30 days old)
gasoline.
Dirty air cleaner. Replace air cleaner cartridge/element or clean pre-cleaner, if
so equipped.
Engine overheats Engine oil level low. Fill crankcase with proper capacity and weight of oil.
Air flow restricted. Clean grass clippings and debris from around the engine's
cooling fins and blower housing.
Engine hesitates at high Spark plug gap too close. Remove spark plug and reset the gap to .030".
RPM
Idles poorly Spark plug fouled, faulty or gap too Replace spark plug. Set plug gap to .030".
wide. Replace air cleaner cartridge/element or clean pre-cleaner, if
Dirty air cleaner.
so equipped.
Excessive vibration Cutting blade loose or unbalanced or Tighten blade and spindle. Balance blade.
damaged. Replace blade.
Mower will not mulch Engine speed low.
Place throttle in FAST position.
grass
Wet grass. Do not mow when grass is wet; wait until later to cut.
Excessively high grass. Mow once at a higher cutting height, then mow again at desired
height or make a narrower cutting swath ..
Dull blade.
Sharpen or replace blade.
Uneven cut
Deck not balanced properly. Perform side-to-side deck adjustment.
Dull blade. Sharpen or replace blade.
Uneven tire pressure. Check tire pressure in all four tires.
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