Craftsman 917.270851 Owner's Manual page 30

PROBLEM
Mowerblades will not
rotate
TROUBLESHOOTING CHART
CAUSE CORRECTION
• Obstruction in clutch • Remove obstruction.
Poor grass discharge
Headlight(s) not
working (if so
equipped)
Battery will not charge l
Engine "backfires"
when turning engine
"OFF"
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 "OFP.
• Bulb(s) burned out.
• Faulty light switch.
• Loose or damaged
wiring.
• Blown fuse.
• Bad battery cell(s).
• Poor cable connections.
• Replace mower drive belt.
I" Replace idler pulley.
=, Replace blade mandrel.
• Place throttle control in
"FAST" position.
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 connec
tions.
• Replace fuse.
• Replace battery.
• Check/clean all connec
tions.
• Replace regulator.
• Replace alternator.,
• Faulty regulator (if so
equipped).
• Faulty alternator.
• Engine throttle control
not set at "SLOW"
position for 30 seconds
before stopping engine.
Move throttle control to
"SLOW" position and allow
to idle for 30 seconds before
stopping engine.
3O