Craftsman EZ3 917.273070 Owner's Manual page 33

TROUBLESHOOTING CHART
PROBLEM
Loss of power
Excessive
vibration
Enginecontlnues
to run
when operator
leaves seat
wlth attachment
clutch engaged
Poorcut-uneven
CAUSE
1. Cutting too much grass/too
fast.
2. Throttle in "CHOKE"
position.
3. Build-up of grass, leaves
and trash under mower.
4. Dirty air filter.
5. Low oil level/didy oil.
6. Faulty spark plug.
7. Dirty fuel filter.
8. Stale or dirty fuel.
9. Water in fuel.
10.Spark plug wire loose.
11.Dirty engine air screen/fins,
12.Dirty/clogged muffler.
13.Loose or damaged wiring,
14,Carburetor out of
adjustment.
15.Enginevalves out of
adjustment.
1. Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose/damagedpart(s).
1. Faultyoperator-safety
presencecontrolsystem.
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.
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.
7. Replace fuel filter.
8. Drain fuel tank and refill with
fresh gasoline.
9. 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.Chesk all wiring.
14.See "To Adjust Carburetor"
in Service Adjustments
section.
15.Contact a qualified
service center.
1. Replace blade.
Tighten blade bolt.
2. Replace blade mandrel.
3. Tighten loose part(s).
Replace damaged parts.
1. Check wiring, switches and
connections. If not
corrected, contact a
qualified service center.
1. Replace blade. Tighten
blade bolt.
2. Level mower desk.
3. Clean underside of mower
housing.
4. Replace blade mandrel.
5. Clean around mar_drels to
open vent holes.
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