Troubleshooting Chart - Craftsman 917.270851 Owner's Manual

TROUBLESHOOTING CHART
PROBLEM CAUSE
Englne cllcks but wlll
not-start (Cont'd)
Loss of power
Excesslve vlbraUon
Engine continues
to run when operator
leaves seat with
attachment clutch
engaged
Poorcut-uneven
• Loose or damaged
wiring.
• Faulty solenoid or
starter.
• Cutting too much
grass/too fast.
• Throttle in =CHOKE"
position.
• Build-up of grass,
leaves and trash
under
mower.
• Dirty air filter.
• Low oil leve!/dirty oil.
• Faulty spark plug.
• Dirty fuel filter.
• Stale or dirty fuel.
• Water in fuel.
• Spark plug wire loose.
• Dirty engine air screen/
fins.
• Dirty/clogged muffler.
• Loose or _lamaged
wiring.
• Carburetor out of
adjustment.
• Engine valves out of
adjustment.
• 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 ofgrass,
leaves, and trash
under mower.
• Bent blade mandrel.
• Clogged mower deck
ventholes from buildup
of grass, leaves, and
trash around mandrels.
29
CORRECTION 1
• Check all wiring.
• Check/replace solenoid or
starter.
• 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
with 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/fins.
• Clean/replace muffler.
• Check all wiring.
• See =ToAdjust Carburetor"
in Service Adjustments
section.
• Contact an author'=ed
service center/department.
• Replace blade. Tighten
blade bolt.
I. Replace blade mandrel.
• Tighten loose part(s).
Replace damaged parts.
• Check wiring, switc[_es and
connections. If not corrected
contact an authorized
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.