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TROUBLESHOOTING
CHART
CAUSE
•
Cutting too much grass/too
fast.
•
Throttle in"CHOKE"
position.
•
Build-up of grass, leaves
and trash under mower.
•
Dirty air filter.
•
Low oil level/dirty
oil.
•
Faulty spark plug.
PROBLEM
Lossofpower
Excessive
vibration
Engine continues
to run when
operator
leaves
seat with
attachment
clutch engaged
Poor cut - uneven
•
Dirty fuel filter.
•
Stale or dirty fuel.
•
Waterin
fuel.
•
Spark plug wire loose.
•
Dirty engine air screen/fins.
•
Dirty/clogged muffler.
•
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
presence control system.
•
Worn, bent or loose blade.
CORRECTION
•
Set in "Higher
Cut" position/
reduce
speed.
•
Adjust
throttle control.
•
Clean underside
of mower
housing.
•
Clean/replace
air filter.
•
Check oil level/change
oil.
•
Clean and regap or change
spark plug.
•
Replace fuel filter.
•
Drain fuel tank and refill with
fresh gasoline.
•
Drain fuel tank and carbure-
tor, refill tank with fresh
gasoline and replace fuel
filter.
•
Connect
and tighten spark
plug wire.
•
Clean engine air screen/
fins.
•
Clean/replace
muffler.
•
Check all wiring.
•
See "To Adjust Carburetor"
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.
"13ghten
blade bolt.
•
Mower deck not level.
•
Buildup of grass, leaves,
and trash under mower.
•
Bent blade mandrel.
•
Clogged mower deck vent
from build-up of grass,
leaves, and trash around
mandrels.
•
Level mower deck.
•
Clean underside of mower
housing.
•
Replace blade mandrel.
•
Clean around mandrels to
open vent holes.
29
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