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TROUBLESHOOTING
PROBLEM
iLossoLppwer(cent'd)
Excessivevibration
Enginecontinuesto
runwhenoperator
leavesseatwithat
tachmentclutch
engaged
Poorcut- uneven
Mower blades will not
rotate
Poor grass discharge
CHART
CAUSE
• Faulty spark plug.
• Dirty fuel filter.
Stale or dirty fuel.
• Water in fuel.
• Spark plugwireloose.
• Dirty engine air screen/fine.
• Dirty/clogged muffler.
• Loose or damaged widng.
• Carburetor out of adjustment.
• Engine valves out of adjust-
ment.
• Worn, bent or loose Made.
• Bent blade mandrel.
• Loose/damaged pad(s),
• Faultyoparator-safetypres-
ence controlsystem.
• Worn, bent or loose blade.
• Mower deck not level.
• Buildup of grass, leaves, _nd
trash under mower.
• Bent blade mandrel.
• Clogged mower deck vent
holes from buildup of
grass, leaves, and trash
around mandrels.
• _Obstruction in dutch mecha-
nism.
• Worn/damaged mower ddve
belt. "-
• Frozen idler pulley.
• Frozen blade mandrel.
• Engine speed too slow.
• TravelspeedtoofesL
• Wet grass.
• Mower deck not level.
• Low/uneven tire air pressure.
• Worn,bent or looseblade.
i
CORRECTION
• Clean and regap or change
sparkplug.
• Replace fuel filter.
• Drain fuel tank and refillwith
fresh gasoline.
• Drain fuel tank and carburetor,
refilltank with fresh gasoline and
replace fuel filter.
• Connect and tighten spark plug
wire.
• Clean engine air scmon/fins.
• Clean/replace muffler.
• Check all widng.
• See "ToAdjust Carburetor" in
Serv_eandAdjustments
section.
• Contact an authorized eervice
center.
• Replace blade. Tighten blade
boll
• Replace blade mandrel.
• Tighten iooea part(s). Replace
damagedparts.
• Checkwi_ng,sw_cheeandcon-
nections. If not corrected, contact
an authorized 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.
• Removeobstruction.
• Replacemowerdrivebell
• Replaceidlerpulley,
• Replaceblade mandrel.
• Place throttle control in "FAST"
pomon.
• Shift to slower speed.
• Allow grass to d_J before mow-
ing.
• Level mower deck.
• Check tires for proper air pres-
sure.
• Replace/sharpen blade. Tighten
blade bolt.
31
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