Manual

SECTION 13: TROUBLE SHOOTING GUIDE
Trouble Possible Cause(s) Corrective Action
Engine fails to start
Engine runs erratic
Engine overheats
Occasional skip (hesitates) at
high speed
Blade control handle disengaged.
Spark plug wire disconnected.
Throttle control lever not in correct
starting position.
Fuel tank empty, or stale fuel.
Blocked fuel line.
Faulty spark plug.
Engine flooded.
Unit running in START position.
Spark plug wire loose.
Blocked fuel line or stale fuel.
Vent in gas cap plugged.
Water or dirt in fuel system.
Dirty air cleaner.
Carburetor out of adjustment.
Engine oil level low.
Air flow restricted.
Carburetor not adjusted properly.
Spark plug gap too close.
Engage blade control handle.
Connect wire to spark plug.
Move throttle lever to FAST or START
position.
Fill tank with clean, fresh gasoline.
Clean fuel line.
Clean, adjust gap or replace.
Crank engine with throttle in FAST position.
Move throttle lever to FAST position.
Connect and tighten spark plug wire.
Clean fuel line; fill tank with clean, fresh
gasoline.
Clear vent.
Drain fuel tank. Refill with fresh fuel.
Clean air cleaner.
Adjust carburetor.
Fill crankcase with proper oil.
Remove blower housing and clean.
Adjust carburetor.
Adjust gap to .030".
Idles poorly Spark plug fouled, faulty or gap too Reset gap to .0"30"or replace spark plug.
wide.
Carburetor improperly adjusted.
Dirty air cleaner.
Excessive vibration Cutting blade loose or unbalanced.
Bent cutting blade.
Mower will not mulch grass Engine speed too low.
Wet grass.
Excessively high grass.
Dull blade.
Wheels not positioned correctly.
Dull blade.
Uneven cut
Adjust carburetor.
Clean air cleaner.
Tighten blade and adapter. Balance blade.
Replace blade.
Set throttle between 3/4 and full throttle.
Do not mow when grass is wet; wait until
later to cut.
Mow once at a Iligh cutting height, then
mow again at desired height or make a
narrower cutting swath (1/2 width).
Sharpen or repl;ace blade.
Place all four wheels in same height
position.
Sharpen or repl;_ce blade.
Refer to separate engine manual )acked with your mower for more engine related information.
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer
or call 1-800-800-7310 for the Customer Support Center.
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