Craftsman 917.271051 Owner's Manual page 29

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Loss of power • Cutting too much grass/too
fast.
• Throttle in"CHOKE"
position.
• Build-up of grass, leaves
and trash under mower.
• Dirty air filter.
• Low oil level/dirty oil.
• Faulty spark plug.
• Dirty fuel filter.
• Stale or dirty fuel.
Excessive
vibration
Enginecontinues
to run
when operator
leaves seat
with attachment
clutch engaged
Poor cut - uneven
• Water in fuel.
Spark plug wire loose.
• Dirty engine air screen/fins.
• Dirty/clogged muffler.
• Loose or damaged wiring.
• Carburetor out of
adjustment.
• Engine valves out of
adjustment.
I"
• Worn, bent or loose blade.
• Bent blade mandrel.
• Loose/damaged part(s).
Faulty operator-safety
presence control system.
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.
• Set in "Higher Cut" position
reduce speed.
• Adjust throttle control.
• Clean underside of mower
housing.
• Clean/replace air filter.
• Check oil level/change oil.
• Clean and regap or change
spark plug.
• Replace fuel filter.
• Drain fuel tank and refill wit
fresh gasoline.
• Drain fuel tank and carbure
tor, refill tank with fresh
gasoline and replace fuel
filter.
• Connect and tighten spark
plug wire.
• Clean engine air screen/fin
• Clean/replace muffler.
• Check all wiring.
• See "To Adjust Carburetor"
Service Adjustments sectior
• Contact an authorized
service center/department.
• Replace blade.
Tighten blade bolt.
• Replace blade mandrel.
• Tighten loose part(s).
Replace damaged parts.
Check wiring, switches ant
connections. If net
corrected, contact an autho
rized service center/
department.
• Replace blade. Tighten
blade bolt.
• Level mower deck.
• Clean underside of mower
housing.
• Replace blade mandrel.
• Clean around mandrels to
open vent holes.
29