Craftsman 917.270860 - Manual (Page 32)

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Mower blades will not
rotate
Obstruction in clutch
mechanism.
Worn/damaged mower
drive belt.
Frozen idler pulley.
Frozen blade mandrel.
Remove obstruction.
Replace mower drive belt.
Replace idler pulley.
Replace blade mandrel.
Poor grass discharge > 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.
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.
Headlight(s) not
working (if so
equipped)
•Switch is “OFP.
• 6ulb(s) burned out.
• Faulty light switch.
• Loose or damaged
wiring.
• Blown fuse.
• Turn switch "ON”.
• Replace bulb(s).
• Check/replace light switch.
• Check wiring and connec
tions.
• Replace fuse.
Battery will not charge Bad battery cell(s).
Poor cable connections.
Faul^ regulator (if so
equipped).
Fauify alternator.
• Replace battery.
• ChecK/clean all connec
tions.
• Replace regulator.
• Replace alternator.
Loss of Drive • Freewheel control in
“disengaged" position.
Motion drive belt worn,
damaged or broken.
Air trapped in transmiss­
ion during shipment or
servicing.
Place freewheel control in
“engaged" position.
Replace motion drive belt.
Purge transmission.
Engine “backfires"
when turning engine
“OFF”
Engine throttle control
not set at "SLOW”
position for 30 seconds
before stopping engine.
32
Move throttle control to
“SLOW’ position and allow
to idle for 30 seconds before
stopping engine.