Craftsman 917.273090 Owner's Manual page 31

FROUBLESHOOTING CHART
PROBLEM CAUSE
Loss of power 1 Cutting too much grass/too
fast,
2 Throttle in "CHOKE"
position
3, Build-up of grass, leaves 3
and trash under mower,
4 Dirty airfilter, 4,
5 Low oil level/dirty oil, 5.
6. Faulty spark plug, 6
7 Dirty fuel filter.
& Stale or dirty fuel.
9 Water in flJeL
Excessive
vibration
Enginecontinues
to run
when operator
leaves seat
with attachment
clutch engaged
Poor cut - uneven
10. Spark plug wire loose,
1.Dirty engine air screen/fins
12 Dirty/clogged muffler.
&Loose or damaged wiring
14 Carburetor out of
adjustment
1 5. Engine valves out of
adjustment
1. Worn, bent or loose blade,
2 Bent blade mandrel.
3, Loose/damaged part(s).
1. Faulty operator-safety
presence control system,
1 Worn, bent or loose blade.
2. Mower deck not level.
3. Buildup of grass, leaves,
and trash under mower,
4. Bent blade mandrel
5 Clogged mower deck vent
holes from buildup of
grass, leaves, and trash
around mandrels.
CORRECTION
1. Set in "Higher Cut" position/
reduce speed.
2. Adjust throttle control,
Clean underside of mower
housing
Clean/replace air filter
Check oil level/change oil.
Clean and regap or change
spark plug,
7. Replace fuel filter
8. Drain fuel tank and lefill with
fresh gasoline
g, Drain fuel tank and carbure-
tor, refill tank with fresh
gasoline and replace fuel
filter
10 Connect and tighten spark
plug wire.
11.Clean engine air screen/fins
12. Clean/replace muffler,
13 Check all wiring
14 See "To Adjust Carburetor"
in Service Adjustments
section
1 5. Contact a qualified
service center.
1. Replace blade
Tighten blade bolt.
2 Replace blade mandrel
3 Tighten loose part(s)
Replace damaged parts
t,
Check wiring, switches and
connections. If not
corrected, contact a
qualified service center
1. Replace blade. Tighten
blade bolt.
2. Level mower deck,
3. Clean underside of mower
housing.
4. Replace blade mandrel.
5, Clean around mandrels to
open vent holes
31