TROUBLESHOOTING
CHART
PROBLEM
Loss of power
•
I
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.
Water
in fuel.
Excessive
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.
vibration
Enginecontinues
•
to run when
operator
leaves
seat with
attach ment
clutch engaged
Poor cut - uneven
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.
3O