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TROUBLESHOOTING CHART
PROBLEM
Lossofpower
Fuel filter.
Excessive vibration
Engine continues
to run when operator
leaves seat with
attachment clutch
engaged
Poor cut - uneven
Mower blades will not
rotate
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.
spark plug.
•Dirty fuel filter.
•Stale or dirty fuel.
fresh gasoline.
• Water in fuel.
refill tank with fresh gasc
•Spark plug wire loose.
plug wire.
• Dirty engine air screen/
fins.
•Dirty/clogged muffler.
•Loose or damaged
wiring.
•Carburetor out of
adjustment.
section,
• Engine valves out of
adjustment.
• Worn, bent or loose
blade.
• Bent blade mandrel.
•Loose/damaged part(s).
Replace damaged parts.
• Faulty operator-safety
presence control
system.
service center/departmer
• 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.
• Obstruction in clutch
mechanism.
•Worn/damaged mower
drive belt.
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
•Replace fuel filter.
• Drain fuel tank and refill with
Drain fuel tank and carburetor,
ne and replace
Connect and tighten spark
• Clean engine air screen/fins.
• Clean/replace muffler.
• Check all wiring.
• See "To Adjust Carburetor"
in Service Adjustments
• Contact an authorized
service center/department.
•Replace blade. Tighten
blade bolt.
•Replace blade mandrel.
•Tighten loose part(s).
• Check wiring, switches and
connections. If not corrected
contact an authorized
L
•Replace blade. Tighten
blade bolt.
•Level mower deck.
• Clean underside of mower
housing.
• Replace blade mandrel.
•Clean around mandrels to
open vent holes.
Remove obstruction.
•Replace mower drive belt.
28
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