Problem
Engine overheats
Engine hesitates at high
RPM
Engine Idles rough
Excessive vibration
Uneven cut
Mower will not mulch grass
(If Equipped w/Mulching Kit)
Cause
1. Engine oil level low.
2. Air flow restricted.
1.
2.
],
2.
1.
2.
3.
1.
2. Wet grass.
3. Excessively high grass.
4. Dull blade.
1,
2.
Spark plug(s) gap too close. 1.
Spark plug(s) fouled, faulty or gap too wide. 1.
Dirty air cleaner. 2.
Cutting blade loose or unbalanced. 1.
Damaged or bent cutting blade. 2.
Deck not leveled properly. 1.
Dull blade. 2.
Uneven tire pressure. 3.
Engine speed too low. 1.
2.
3.
4.
Remedy
Fill crankcase with proper amount and
weight of oil.
Clean grass clippings and debris from around
the engine's cooling fins and blower housing.
Remove spark plug(s) and reset the gap.
Replace spark plug(s). Set plug gap.
Replace air cleaner element and!or clean
pre-cleaner.
Tighten blade and spindle.
Replace blade.
Perform side-to-side deck adjustment.
Sharpen or replace blade.
Check tire pressure in all four tires.
Place throttle in FAST (rabbit) position.
Do not mulch when grass is wet.
Mow once at a high cutting height, then
mow again at desired height or make a
narrower cutting swath.
Sharpen or replace blade.
SECTION 8 -- TROUBLESHOOTING
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