Craftsman 917.270822 - Manual (Page 29)

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Loss of power (cont'd) • Dirty/clogged muffler.
• Loose or damaged wiring.
• Carburetor out of adjustment.
• Engine valves out of adjust­
ment.
• Clean/replace muffler.
• Check all wiring.
• See ‘To Adjust Carburetor” in Ser­
vice and Adjustments
section.
• Contact an authorized service
center.
Excessive vibration • Worn, bent or loose blade.
• Bent blade mandrel.
• Loose/damaged part(s). • Replace blade. Tighten blade bolt.
• Replace blade mandrel.
• Tighten loose part(s). Replace
damaged parts.
Engine continues to
run when operator
ieaves seat with at'
tachment clutch en­
gaged
• Faulty operator-safety pres­
ence control system.
• Check wiring, switches and con­
nections. If not
corrected, contact an authorized
service center/department.
Poor cut - uneven • 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.
• Replace blade. Tighten blade bolt.
• Level mower deck.
• Clean underside of mower hous­
ing.
• Replace blade mandrel.
• Clean around mandrels to open
vent holes.
Mower blades will not
rotate • Obstruction in clutch mecha­
nism.
• Worn/damaged mower drive
belt.
• Frozen idler pulley.
• Frozen blade mandrel.
• Engine speed too slow.
• Remove obstruction.
• Replace mower drive belt.
• Replace idler pulley.
• Replace blade mandrel.
• Place throttle control in “FAST’ po­
sition.
Poor grass discharge
• 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.
• Shift to slower speed.
• Allow grass to dry before mowing.
• Level mower deck.
■ Check tires for proper air pres­
sure.
• Replace/sharpen blade. Tighten
blade bolt.
• Clean underside of mower hous­
ing.
• 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 work
ing (if so equipped) • Switch is "OFF”.
• BuIbCs) burned out
• Faulty light switch.
• Loose or damaged wiring.
• Blown fuse. • Turn switch “ON”.
• Replace bulb(s).
• Check/replace light switch.
• Check wiring ana connections.
• Replace fuse.
Battery will not charge
• Bad battery cell(s).
• Poor cable connections.
• Faulty regulator (if so
equipped).
• Faulty alternator.
• Replace battery.
• Check/ciean all connections.
• Replace regulator.
• Replace alternator.
29