Craftsman 917.271631 Owner's Manual page 29

TROUBLESHOOTING CHART
PROBLEM CAUSE
Loss of power 1,, Cutting too much grass/too
Excessive
vibration
CORRECTION
fast.
2. Throttle in "CHOKE"
position_
3. Build-up of grass, leaves
and trash under mower,
4. Dirty air filter.
5, Low oil level/dirty oilo
6. Faulty spark plugo
7. Dirty fuel filter.
8, Stale or dirty fuel.
9_ Water in fuel.
I. Set in "Higher Cut" position/
reduce speed°
2, Adjust throttle control.
3. Clean underside of mower
housing.
4. Clean/replace air filter.
5. Check oil level/change oil,
6. Clean and regap or' change
spark plug.
7o Replace fuel filter.
8. Drain fuel tank and refill with
fresh gasoline.
9o Drain fuel tank and carbure
tot, refill tank with fresh
gasoline and replace fuel
filter°
Engine continues
to run
when operator
leaves seat with
with attachment
clutch engaged
Poor cut - uneven
t0oSpark plug wire loose.
11 .,Dirty engine air screen/fins,
I2. Dirty/clogged muffler.
13. Loose or damaged wiring.
14.Carburetor out of
adjustment.
15. Engine valves out of
10oConnect and tighten spark
plug wirer
t I ,Clean engine air screenifins_
12.Clean/replace muffler.
13.Check al! wiring,
14. See "To Adjust Carburetor"
in Service Adjustments
section.
15.Contact a Sears or other
adjustmenL qualified service center,
I. Worn, bent or loose blade,,
2. Bent blade mandrel.
3. Looseldamaged part(s),
Faulty operator-safety
presence control system°
,
1. Replace blade.
Tighten blade bolt.
2. Replace blade mandrel,
3, Tighten loose part(s).
Replace damaged parts,
1,
t. Worn, bent or loose blade,
Check wMng, switches and
connections_ tf not
contact a Sears or other
qualified service center.
Io Replace blade° Tighten
blade bolt,,
2o Mower deck not level,
3. Buildup of grass, leaves,
and trash under mower°
4o Bent blade mandrel.
5. Clogged mower deck vent
holes from buildup of
grass, leaves, and trash
around mandrels.
2. Level mower deck,,
3. Clean underside of mower
housing,,
4,, Replace blade mandrel.
5, Clean around mandrels to
open vent holes.
29