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TROUBLESHOOTING CHART
PROBLEM
Poor cut - uneven
Mower blades will
not rotate
Poor grass
discharge
Headlight(s) not
working
(if so equipped)
Battery will not
charge
Engine "backfires"
whenturnlng
engine "OFF"
CAUSE
• 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
around mandrels.
• Obstruction in clutch
mechanism.
• Worn/damaged mower
drive belt.
• Frozen idler pulley.
• Frozen blade mandrel.
• Engine speed too slow.
• Travel speed too fast.
• Wet grass.
• Mower deck not level,
• Low/uneven tire air pressure.
• Worn, bent or loose blade.
• Buildup of grass, leaves
and trash under mower.
• Mower drive belt worn.
• Blades improperly installed.
• Improper blades used.
Clogged mower deck vent
holes from buildup of grass,
leaves, and trash around
mandrels.
• Switch is "OFF".
• Bulb(s) burned out.
• Faulty light switch.
• Loose or damaged wiring.
• Blown fuse.
• Bad battery cell(s).
• Poor cable connections.
• Faulty regulator
(if so equipped).
• Faulty alternator.
• Engine throttle control not
set at "SLOW" position
for 30 seconds before
stopping engine.
CORRECTION
Replace blade. Tighten
blade bolt.
Level mower deck.
Clean underside of mower
housing.
Replace blade mandrel.
Clean around mandrels to
open vent holes.
Remove obstruction.
Replace mower drive belt.
Replace idler pulley.
Replace blade mandrel.
Place throttle control in
"FAST" position.
i• Shift to slower speed.
,• Allow grass to dry before
mowing.
• Level mower deck.
• Check tires for proper air
pressure.
• Replace/sharpen blade.
Tighten blade bolt.
• Clean underside of mower
housing.
• Replace mower drive belt.
• Reinstall blades sharp edge
down.
• Replace with blades listed in
this manual.
• Clean around mandrels to
open vent holes.
• Turn switch "ON".
• Replace bulb(s).
• Check/replace light switch.
• Check wiring and connections
• Replace fuse.
• Replace battery.
• Check/clean all connections.
• Replace regulator.
• Replace alternator.
Move throttle control to
"SLOW" position and allow
to idle for 30 seconds before
stopping engine.
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