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Engine
•
Clean engine and remove any grass clippings, dirt,
and debris from the cooling fins, air intake screen,
levers, linkage and the exterior of the engine.
•
Follow recommendations
in the accompanying
engine manual for off-season storage of the
engine.
•
Change oil as stated in the engine manual.
SECTION 11: TROUBLE SHOOTING GUIDE
ils to start
Engine runs erratic
Engine overheats
Possible
Cause(s)
Blade control handle disengaged.
Start control button not depressed.
Spark plug wire disconnected,
Safety key not in run position.
Fuel tank empty, or stale fuel.
Blocked fuel line.
Faulty spark plug.
Engine flooded.
Engine not primed.
Self starter already de-energized.
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.
Corrective
Action
Engage blade control handle.
Depress starter control button.
Connect wire to spark plug.
Place safety key in run position.
Fill tank with clean, fresh gasoline.
Clean fuel line.
Clean, adjust gap or replace.
Wait a few minutes.
Push primer bulb three times to prime
engine.
Use recoil starter to start engine
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".
Occasional
skip (hesitates) at
high speed
Idles poorly
Spark plug fouled, faulty or gap too
Reset gap to .030" or replace spark plug.
wide.
Carburetor improperly adjusted.
Adjust carburetor.
Dirty air cleaner.
Clean air cleaner.
Excessive vibration
[Cutting blade loose or unbalanced.
Tighten blade and adapter.
Balance blade.
Bent cutting blade.
Replace blade,
Mower will not mulch grass
Wet grass,
o not mow when grass is wet; wait until
later to cut.
,
[Excessively
high grass.
Mow once at a high cutting height, then
/
mow again at desired height or make a nar-
Uneven
rower cutting swath (1/2 width).
Dull blade.
Sharpen or replace blade.
cut
Wheels not positioned correctly.
Place all four wheels in same height posi-
tion.
Dull blade.
_Sharpen or replace blade.
/
L
Refer to separate engine manual packed with your mower for more engine related information.
NOTE: For repairs beyond the minor adjustments listed above, contact your nearest authorized service dealer.
18
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