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TROUBLESHOOTING CHART
f
PROBLEM CAUSE
Loss of power (cont'd) • Faultyspark plug,
• Dirtyfuel filter.
• Sfale or dirtyfuel.
Excessive vibration
Engine continues to
run when operator
leaves seat with at
tachment clutch
engaged
Poor cut - uneven
Mower blades willnot
rotate
Poor grass discharge
• Waterinfuai.
• Spark plugwire loose.
• Dirty engine air screen/fins. •
- Dirty/cloggedmuffler. •
• Loose or damaged widng. •
• Carburetor outof adjustment. •
• Engine valves out of adjust- •
ment.
• Worn, bent or loose blade.
• Bent blade mandrel. •
• Loose/damaged part(s).
• Faultyoperator-safety pres- •
ence controlsystem.
• Worn, bent or loose blade.
• Mower deck not level. •
• Buildupofgrass, leaves, and -
trash under mower.
• Bent blade mandrel.
• Clogged mower deck vent. -
holes from buildupof
grass, leaves, and trash
around mandrels.
• Obstructionin clutchmecha- i "
nism.
• Wom/damaged mower ddve i •
belt.
[
• Frozen idler pulley. ,I•
• Frozen blade mandrel. I "
• Engine speed ton slow. I •
• Travel speed too fast.
• Wet grass.
• Mower deck not level.
• Low/uneven tire air pressure.
• Wom, bent or loose blade.
CORRECTION
• Clean and regap or change
spark plug.
• Replace fuel filter.
• Drain fuel tank and refillwith
fresh gasoline.
• Drain fuel tank and carburetor,
refilltank withfresh gasoline and
replacefuel filter.
Connect and lighten spark plug
wire.
Clean engine air screen/fins.
Clean/replace muffler.
Check all widng.
See "To Adjust Carburetor"in
Service and Adjustments
section.
Contact an authorized service
center.
Replace blade. Tighten blade
bolt.
Replace blade mandrel.
Tighten loosepart(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 toopen
vent holes.
Remove obstruction.
Replace mower drive belt.
Replace idler pulley.
Replace bfada mandrel.
Place throttle controlin UFAST"
pos on.
Shift todower speed.
Allowgrass to dry before mow-
ing.
• Level mower deck.
• Check tiresfor properair pres-
sure.
• Replace/sharpen blade. Tighten
blade bolL
3O
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