Loss of power, Excessive, Poor cut - uneven – Craftsman 917.273770 User Manual
Page 29
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TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
CAUSE
CORRECTION
Loss of power
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/dirty 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. Engine valves out of
adjustment.
1
.
Raise cutting height/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.
Empty fuel tank and refill tank
with fresh, clean gasoline.
Empty fuel tank and carbure
tor, refill tank with fresh gas
oline 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 and Adjustments
section.
15. Contact a Sears or other
qualified service center.
Excessive
vibration
1. Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose/damaged part(s).
1. Replace blade.
Tighten blade bolt.
2. Contact a Sears or other
qualified service center.
3. Tighten loose part{s).
Replace damaged parts.
Engine continues
to run when
operator leaves
seat with attach
ment ciutch
engaged
1. Faulty operator-safety
presence control system.
1. Check wiring, switches and
connections. If not corrected,
contact Sears or other
qualified service center.
Poor cut - uneven
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.
1. Replace blade. Tighten
blade bolt.
2. Level mower deck.
3. Clean underside of mower
housing.
4. Contact a Sears or other
qualified service center.
5. Clean around mandrels to
open vent holes.
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