Craftsman EZ3 917.273021 Owner's Manual page 34

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Mower b lades willnot • Frozen idlerpulley. • Replace i dlerpulley.
rotate (cont'd)
• Frozen blade mandrel. • Replace blade mandrel.
Poor grass discharge • Engine speed too slow,
Headlight(s) not work
ing (if so equipped)
Battery will not charge
Loss of drive
Engine =backfires"
when turning engine
"OFF"
• Travel speed too fast.
• Wet grass.
• Mower deck not level.
• Lowluneven tire air pressure.
• Worn, bent or loose blade.
• Buildup of grass, leaves and
trash under mower.
• Mower drive belt wom.
• Blades improperlyinstalled.
• Improper blades used.
• Clogged mower deck vent
holes from buildupof
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 altamator'
• Freewheel controlin "disen-
gaged_ position.
• Motion drive belt worn, dam-
aged or broken.
• Air trapped in transmission
during shipment
or servicing.
• Engine throttle controlnot set
at =SLOW" position for 30 sec-
onds before stopping engine.
• Place throttle control in =FAST"
position.
• Shift to slower speed.
• Allow grass to dry before mow-
ing.
• Levai mower deck.
• Check tires for proper air pres-
sure.
• Replace/sharpen blade. "13ghten
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 connecSons.
• Replace fuse.
• Replace battery.
• Check/clean all connections.
• Replace regulator,
• Replace alternator.
• Place freewheel controlin
"engaged" position.
• Replace motion drive belt.
• Purge transmission.
• Move throttle control to =SLOW"
position and allow to idle for 30
seconds before stopping
engine.
34