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TROUBLESHOOTING
CHART
PROBLEM
CAUSE
Loss of power
• Cutting too much grass/too
fast.
• Throttle in "CHOKE" position.
• Build-up of grass, leaves and
trash under mower.
• Dirty air fiiten
• Low oil leveUdir[yoil.
• Faulty spark plug.
• Dirty fuel filter.
• Stale or dirty fuel.
• Water in fuel.
• Spark plug wire loose.
• Dirty engine air screenffms.
• Dirty/clogged muffler.
• Loose or damaged widng.
Excessive vibration
=Engine continues to
run when operator
leaves seat with at
tachment clutch
engaged
Poor cut- uneven
F
Mower blades will not
rotate
• Carburetor out of adjustment.
• Engine valves out of adjust-
ment.
• Worn, bent or loose blade.
• Bent blade mandrel.
• Loose/damaged pert(s).
• Faulty operator-safety pres-
ence control system.
• Worn, bent or loose blade.
_,_ IVJ9_ deck not level.
Bul_up
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 mecha-
nism.
• W0rn/damaged mower ddve
belt.
CORRECTION
• Set in "Higher Cut"posi-
tion/reduce speed.
• Adjust throttle control.
• Clean underside of mower hous-
ing.
• 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 carburetor,
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 =ToAdjust Carburetor" in
Service and Adjustments
section.
• Contact an authorized service
center.
• Replace blade. _ghten blade
bolt.
• Replace blade mandrel.
• _ghten loose part(s). Replace
damaged parts.
• Check widng, switches and con-
nections. If not
corrected, contact an authorized
service centerl
department.
• Replace blade. "_ghtenblade
bolt.
• 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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