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PROBLEM
Lossofpower
"ROUBLESHOOTING CHART
CAUSE
• Cuffingtoomuchgrass/too
fast.
• Throttle in =CHOKE" position.
• Build-upof grass, leaves and
CORRECTION
• Set in "HigherCut" posi-
tion/reducespeed.
• Adjustthrottlecontrol.
• Clean underside ofmower hous-
trash under mower.
• Dirtyair filter.
• Low oil level/dirtyoil.
• Faulty spark plug.
• Dirtyfuel tilter.
• Stale or dirty fuel.
• Water in fuel.
• Spark plug wire loose.
• Dirty engine air soreen/nns.
• Dirty/cloggedmuffler.
• Loose or damaged widng.
ing.
• Claardreplace air filter.
• Check oillevel/change oil.
• Clean and regap or change
spark plug.
• Replace fuel tilter.
• Drain fuel tank and refillwith
fresh gasoline.
• Drain fuel tank and carburetor,
refilltank withfresh gasolineand
replace fuel tilter.
• Connect and tighten spark plug
wire.
• Clean engine air screen/fins.
• Clean/replace muffler.
• Check all wiring.
Excessivevibration
Engine continuesto
runwhen operator
leaves seat with at
tachrnent clutch
engaged
Poorcut - uneven
Mower blades willnot
rotate
• Carburetor out ofadjustment.
• Engine valves out of adjust-
ment.
• Worn, bent or loose blade.
• Bent blade mandrel.
• Loose/damaged part(s).
• Faultyoperator-safety pres-
ence controlsystem.
- Wom, bent or loose blade.
• Mower deck not level.
• Buildupof grass, leaves, and
trash under mower.
• Bent blade mandrel.
• Clogged mower deck vent
holesfrom buildupof
grass, leaves, and trash
around mandrels.
• Obstruction in clutchmecha-
nism.
• Worn/damaged mower ddve
belt.
• See "ToAdjustCarburetor"in
Service and Adjustments
section.
• Contactan authodzed service
center.
• Replace blade. Tighten blade
bolt.
• Replace blade mandrel.
• Tighten loose part(s). Replace
damaged parts.
• Check widng, switchesand con-
nections.If not
corrected,contact an authodzed
service center/
department.
• Replace blade. Tighten blade
boll
• Level mower deck.
• Clean underside of mower hous-
ing.
• Replace blade mandrel.
:• Clean around mandrels to open
vent holes.
• Remove obstruction.
• Replace mower ddve belt.
33
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