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TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
i i i, i ,,H,,,,,,,
Loss of power' (co'n't'd) • '""'Build-upof grass, leaves and = Clean underside of mower hous-
trash under mower_
, Dirty air filter.
° Low oil level/dirty oilo
° Faulty spark plug.
• Dirty fuel filter.
• Stale or dirty fuel.
• Water in fue!.
J,
Excessive vibration
• Spark plug wire loose.
ing,'
= Clean/replace air filter,
. Che'ck oil level/change oil
• Clean and regap or change
spark plug.
o 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.
Cle_n engine air screen/fins.
Cle&n!replace muffler.
Check all wiring, ' ,, _,_
See "To Adjust CarburetOr" in
Service and Adjustments
section.
Contact an authorized service
center,
Replace bladei" "'Tigbt_p blade
boItM _
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.
Rep!ace blade, Tighten blade
bolt_
• Level mower deck.
• Clean underside of mower hous-
ing.
= Replace blade mandrel.
- Clean around mandrel_ to open
vent holes.
i
° Remove obstructio'nl
• Re!?_ce mower drive be!t,
o Replace idler pul!ey,.
, Replace blade mandrel.
J,Hm,, H ,,.,, .....
H
. Plac# throttle control in '!FAST"
position.
° Shift.to slower sl_eed.
° Allow grass to dry before mow-
ing,.
° Dirty engine air screen/fins.
, Dirty/clogged muffler,.
. Loose or damaged wiring,
o Carburetor out of adjustment.
,,,,,
Engine continues to
run when operator
leaves seat with at-
tachment clutch
.... engage.d
Poor cut - uneven
Mower blades will not
rotate
Poor grass 'discharge'
°
o
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0
o
Engine valves out of adjust-
ment.
Worn, bent or loose blade.
Bent blade mandrel
Loose/damaged part(s)o
Faulty operator-safety pres-
ence control system°
Q
o
0
o
o
o
o
o
o
Worn, bent or loose blade.
Mower deck not level
Buildup of grass, leaves, and
trash under mower_
Bent blade mandrel.
Clogged mower deck vent
holes from buildup of
grass, leaves, and trash
aroun d mandrels.
Obstruction in clutch mecha-
nismo
Worn/damaged mower drive
belto
Frozen idler pulley_
Frozen blade mandrel.,
° Engine speed too slow.
• Travel speed too fast.
° Wet grass_
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0
o
g
o
o
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0
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