Craftsman 917.270770 - Manual (Page 29)

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Engine clicks but • Loose or damaged wiring. • Check all wiring.
will not start (cont’d) • Faulty solenoid or starter. • Check/replace solenoid or
starter.
Loss of power • Cutting too much
grass/too fast.
• Set in “Higher Cut” posi-
tion/reduce speed.
* Throttle in “CHOKE” posi­
tion.
• Adjust throttle control.
• Build-up of grass, leaves
and trash under mower.
• Clean underside of mower
housing.
• Dirty air filter.
• Clean/replace air filter.
• Low oil level/dirty oil.
• Check oil level/change oil.
• Faulty spark plug.
• Clean and regap or change
spark plug.
• Dirty fuel filter.
• Replace fuel filter.
• Stale or dirty fuel.
• Drain fuel tank and refill with
fresh gasoline.
• Water in fuel.
• Drain fuel tank and carbure­
tor, refill tank with fresh
gasoline and replace fuel fil­
ter.
• Spark plug wire loose.
• Connect and tighten spark
plug wire.
• Dirty engine air
screen/fins.
• Clean engine air screen/fins.
• Dirty/ciogged muffler. • Clean/replace muffler.
• Loose or damaged wiring. • Check all wiring.
• Carburetor out of adjust­
ment.
• See To Adjust Carburetor” in
Service and Adjustments
section.
• Engine valves out of
adjustment.
• Contact an authorized ser­
vice center.
Excessive vibration • Worn, bent or loose blade. • Replace blade. Tighten blade
bolt.
• Bent blade mandrel. • Replace blade mandrel.
• Loose/damaged part(s). • Tighten loose part(s).
Replace damaged parts.
Engine continues to
run when operator
leaves seat with at­
tachment clutch
engaged
• Faulty operator-safety
presence control system.
• Check wiring, switches and
connections. If not
corrected, contact an autho­
rized service center/
department.
Poor cut - uneven • Worn, bent or loose blade. • Replace blade. Tighten
blade bolt.
• Mower deck not level. • Level mower deck.
- -
• Buildup of grass, leaves,
and trash under mower.
• Clean underside of mower
housing.
29