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TROUBLESHOOTING
CHART
PROBLEM
Loss of power
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.
• Dirty fuel filter.
• Stale or dirty fuel.
• Water in fuel.
•
Spark plug wire loose.
•
Dirty engine air screen/fins.
• Dirty/clogged muffler.
• Loose or damaged wiring.
• Carburetor out of adjustment.
=
Excessive vibration
• Engine valves out of adjust-
ment.
• Worn, bent or loose blade.
• Bent blade mandrel.
• Loose/damaged
part(s).
Engine continues to.
run when operator
leaves seat with at
tachment clutch
engaged
Faulty operator-safety
pres-
ence control system.
Poor cut - uneven
= ..
•Wom,
bent or loose blade.
° ,
•. Mower deck not level.
•
I_uildup of grass, leaves, and
trash under mower.
• Bent blade mandrel.
• Clogged mower deck vent
holes from buildup of
grass, leaves, and trash
around mandrels.
Mower blades will not
rotate
• Obstruction in clutch mecha-
nism.
• Worn/damaged
mower drive
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 :i
replace fuel filter_
-_ ,
..... 'ii!!
* Connect and tighten spark plug
wire.
!_'
•
Clean engine air screen/fins.
• Clean/replace
muffler.
• Check all wiring.
_-_
• See "To Adjust Carburetor"
in
, .....
Service and Adjustments
section.
• Contact an authorized service
center.
•
Replace blade.
Tighten blade
bolt.
:
_
.....
•
Replace blade mandrel
• Tighten loose part(s). Replace
damaged parts.
Check wiring, switches and con-
nections. If not
corrected, contact an authorized
service center/
department.
• Replace blade. Tighten blade
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.
33
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