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SECTION 10: TROUBLESHOOTING
Problem
Cause
Engine fails to start
Engine runs erratic
1.
Blade control handle disengaged.
2.
Spark plug wire disconnected.
3.
Fuel tank empty or stale fuel.
4.
Blocked fuel line.
5.
Faulty spark plug.
6.
Engine flooded
1.
Spark plug wire loose.
2.
Blocked fuel line or stale fuel.
3.
Vent in gas plugged.
4.
Water or dirt in fuel system.
5.
Dirty air cleaner.
6.
Carburetor
out of adjustment.
1.
Engine oil level low.
2.
Air flow restricted.
3.
Carburetor
not adjusted properly.
1.
Spark plug gap too close.
Remedy
1.
Engage blade control handle.
2.
Connect wire to spark plug.
3.
Fill tank with clean, fresh gasoline.
4.
Clean fuel line.
5.
Clean, adjust gap, or replace.
6.
Wait a few minutes to restart, do not
prime.
1.
Connect end tighten spark plug wire.
2.
Clean fuel line; fill tank with clean, fresh
gasoline
3.
Clear vent.
4.
Drain fuel tank. Refill with fresh fuel.
5.
Clean air cleaner.
6.
Adjust carburetor.
1.
Fill crankcase
with proper oil.
2.
Remove blower housing and clean.
3.
Adjust carburetor.
1.
Adjust gap to .030".
Engine overheats
Occasional
skip (hesitates)
at high speed
Idles poorly
1.
Spark plug fouled, faulty or gap too
1.
Reset gap to .030" or replace spark plug.
wide.
2.
Adjust carburetor.
2.
Carburetor
improperly adjusted.
3.
Clean air cleaner.
3.
Dirty air cleaner.
Excessive vibration
1.
Cutting blade loose or unbalanced.
1.
Tighten blade and adapter. Balance
2.
Bent cutting blade,
blade.
2.
Replace blade.
Mower will not mulch grass
1.
Wet grass.
1.
Do not mow when grass is wet; wait until
later to cut.
2.
Excessively
high grass.
2.
Mow once at a high cutting height, then
mow again at desired height or make a
narrower
cutting path.
3.
Dull blade.
3.
Sharpen or replace blade.
Uneven cut
1.
Wheels not positioned
correctly.
1.
Place all four wheels in same height
position.
2.
Dull blade.
2.
Sharpen or replace blade.
NOTE:
For repairs
beyond
the minor adjustments
listed above,
contact your local authorized
service
dealer.
17
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