Craftsman 917.273321 - Page 34

TROUBLESHOOTING CHART
i
PROBLEM
Mower blades will not
rotate (cont'd)
Poor grass discharge
Headlight(s) not work
ing (if so equipped)
Battery will not charge
Loss of ddve
Engine "backfires"
when fuming engine
=OFF"
CAUSI_"
• Frozen idler pulley.
• Frozen blade mandrel.
• Engine speed too slow.
a
• Travel speed too fast.
• Wet grass.
• Mower deck not level.
• Low/uneven tire air pressure.
•Wom, bent or loose blade.
• Buildup of grass, leaves and •
trash under mower.
• Mower drive belt worn.
• Bladesimpmperly installed.
• Improper blades used.
• Clogged mower deck vent
holes from buildupof
grass, leaves, and trash
around mandrels.
• Switch is "OFF".
• Bulb(s) bumed out.
• Faulty lightswitch.
• Loose or damaged wiring.
• Blown fuse.
• Bad battery cell(s),
• Poor cable connections.
• Faulty regulator (ifso
equipped).
• Faulty altemator.
• Freewheel control in "disen-
gaged" position.
• Motion drive belt worn, dam-
aged ,orbroken.
• Air trapped in transmission
during shipment
or servicing.
• Engin_ throffie control not set
at "SLOW" positionfor 30 sec-
onds before stoppingengine.
CORR'ECTION
• Replace idler pulley.
• Replace blade mandrel.
• Place throttlecontrol in =FAST"
position.
• Shift to slower speed.
• Allow grass to dry before mow-
ing.
• Level mower deck.
• Check tires for proper air pres-
sure.
• Replace/sharpan 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.
• Checkwiringand connedions.
• Replace fuse.
I
• Replace battery.
• Check/clean all connections.
• Replace regulator.
• Replace alternator.
• Place freewheel control in
"engaged" position.
• Replace motion drive belt.
• Purge transmission.
• Move throttle controlto =SLOW"
positionand allow to idle for 30
seconds before stopping
engine.
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