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TROUBLESHOOTING CHART
PROBLEM
Loss of power
Excessive
vibration
Engine continues •
to run
when operator
leaves seat with
with attachment
clutch engaged
Poor cut - uneven •
CAUSE
•
Cutting too much grass/too
fast.
•
Throttle in "CHOKE"
position.
•
Build-up of grass, leaves
and trash under mower.
•
Dirty air fi lter.
•
Low oil level/dirty oil.
•
Faulty spark plug.
•
Dirty fuel fi lter.
•
Stale or dirty fuel.
•
Water in fuel.
•
Spark plug wire loose.
•
Dirty engine air screen/fi ns.
•
Dirty/clogged muffl er.
•
Loose or damaged wiring.
•
Carburetor out of
adjustment.
•
Engine valves out of
adjustment.
•
Worn, bent or loose blade.
•
Bent blade mandrel.
•
Loose/damaged part(s).
Faulty operator-safety
pres ence control system.
Worn, bent or loose blade.
•
Mower deck not level.
•
Buildup of grass, leaves,
and trash under mower.
•
Bent blade mandrel.
•
Clogged mower deck vent
holes from buildup of
grass, leaves, and trash
around mandrels.
CORRECTION
•
Set in "Higher Cut" position/
reduce speed.
•
Adjust throttle control.
•
Clean un der side of mower
housing.
•
Clean/replace air fi lter.
•
Check oil level/change oil.
•
Clean and regap or change
spark plug.
•
Replace fuel fi lter.
•
Drain fuel tank and refi ll with
fresh gasoline.
•
Drain fuel tank and carbure-
tor, refi ll tank with fresh
gasoline and replace fuel
fi lter.
•
Connect and tighten spark
plug wire.
•
Clean engine air screen/fi ns.
•
Clean/replace muffl er.
•
Check all wiring.
•
See "To Adjust Car bu re tor"
in Service Adjustments
section.
•
Contact an authorized
service center/department.
•
Replace blade.
Tighten blade bolt.
•
Replace blade mandrel.
•
Tighten loose part(s).
Replace damaged parts.
•
Check wiring, switches and
connections. If not corrected,
contact an authorized
service center/department.
•
Replace blade. Tighten
blade bolt.
•
Level mower deck.
•
Clean underside of mower
housing.
•
Replace blade mandrel.
•
Clean around mandrels to
open vent holes.
27
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