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9
Trouble
Shooting
For repairs beyond
the minor adjust-
ments listed here,
contact an authorized
service dealer.
Engine overheats
1. Fill crankcase with proper oil.
2. Clean grass clippings and debris
from around the engine’s cooling
fins and blower housing.
1. Engine oil level low.
2. Air flow restricted.
Engine hesitates at
high RPM
1. Remove spark plug(s) and reset
the gap.
1. Spark plug(s) gap too close.
Idles poorly
1. Replace spark plug(s). Set plug(s)
gap.
2. Replace air cleaner cartridge/ele-
ment or clean pre-cleaner, if so
equipped.
1. Spark plug(s) fouled, faulty or gap
too wide.
2. Dirty air cleaner.
Mower will not
mulch grass (If
Equipped)
1. Place throttle control in FAST
(rabbit) position.
2. Do not mow when grass is wet;
wait until later to cut.
3. Mow once at a high cutting height,
then mow again at desired height
or make a narrower cutting path.
4. Sharpen or replace blade.
1. Engine speed too low.
2. Wet grass.
3. Excessively high grass.
4. Dull blade.
Uneven cut
1. Perform side-to-side deck adjust-
ment.
2. Sharpen or replace blade.
3. Check tire pressure in all four tires.
1. Deck not balanced properly.
2. Dull blade.
3. Uneven tire pressure.
Excessive
Vibration
1. Cutting blade loose or unbalanced.
2. Damaged or bent cutting blade.
1. Tighten blade and spindle. Balance
blade.
2. Replace blade.
CauseProblem Remedy