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TROUBLESHOOTING CHART
PROBLEM CAUSE
Loss of power • Cuffingtoo much grass/too
fast.
• Throttle in =CHOKE" position.
• Build-up ofgrass, leaves and
trash under mower.
• Dirtyair filter.
• Low oil level/dirtyoil.
• Faultl/spark plug.
• Dirtyfuel fitter.
• Stale or dirtyfuel."
• Waterinfuel.
• Spark plug wire loose.
• Dirtyengine air screen/fins.
• Dirty/cloggedmuffler.
• Loose or damaged widng.
Excessive vibration
Engine continues to
runwhen operator
leaves seat with at
tachment clutch
engaged
Poor cut - uneven
Mower blades willnot
rotate
• Carburetor out of adjustment.
• Engine valves out of adjust-
ment.
• Worn, bent or loose blade.
• Bent blade mandrel.
• Loose/damaged part(s).
• Faulty operator-safety pres-
ence controlsystem.
• Worn, bent or loose blade.
• Mower deck not level.
• Buildup ofgrass, leaves, and
trash under mower.
• 6Bent blade mandrel.
• Clogged mower deck vent
holes from buildup of
grass, leaves, and trash
around mandrels.
• Obstructionin clutchmecha-
nism.
• Worn/damaged mower drive
belt.
CORRECTION
• Set In "Higher Cut" posF
tion/reduce speed.
• Adjustthrottle control.
• Clean underside of mower hous-
ing.
• Claan/replaco air filter.
• Check oil level/change oil.
• Clean and regal) or change
spark plug.
• Replace fuel filter.
• Drain fuel tank and refillwith
fresh gasoline.
• Drain fuel tank and carburetor,
refilltank with fresh gasolineand
replace fuel filter.
• Connect and tighten spark plug
wire.
• Clean engine air screen/fins.
• Clean/replace muffler.
• Check all widng.
• See "To AdjustCarburetor" in
Service and Adjustments
section.
• Contact an authorized service
center.
• Replace blade. "nghtenblade
bolt.
• Replace blade mandrel
• Tighten loose part(s). Replace
damaged parts.
• Check wiring,switches and con-
nections. Ifnot
corrected, contact an authorized
service center/
department.
• Replace blade. "lightenblade
, bolt.
,, Level mower deck.
* Clean underside of mower hous-
'ing.
- Replace blade mandrel.
• Clean around mandrels to open
vent holes.
•" Remove obstruction.
• Replace mower drive belt.
t
33
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