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.
•
Dirty fuel filter.
•
Stale or dirty fuel.
PROBLEM
Loss of power
Excessive
vibration
Engine continues
to run when
operator
leaves
seat with
attachment
clutch engaged
Poor cut - uneven
•
Water in 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.
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.
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.
Tighten
blade bolt.
•
Level mower deck.
•
Clean underside of mower
housing.
•
Replace blade mandrel.
•
Clean around mandrels to
open vent holes.
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