Craftsman 917.273404 Owner's Manual page 31

TROUBLESHOOTING CHART:
See
appropriate
section in manual unless directed to Sears service center
=ROBLEM CAUSE CORRECTION
Loss of power 6. Faulty spark plug. 6. Clean and regap or change
(continued) spark plug.
7. Dirty fuel filter. 7. Replace fuel filter.
8. Stale or dirty fuel. 8. Empty fuel tank and refill tank
with fresh, clean gasoline.
9. Water in fuel. 9. Empty fuel tank and carbure-
tor, refill tank with fresh gas-
oline and replace fuel filter.
10. Spark plug wire loose. 10. Connect and tighten spark
plug wire.
11. Dirty engine air screen/fins. 11. Clean engine air screen/fins.
12. Dirty/clogged muffler. 12. Clean/replace muffler.
13. Loose or damaged wiring. 13. Check all wiring.
14. Carburetor out of adjustment 14. See "To Adjust Carburetor"
in Service and Adjustments
section.
15. Engine valves out of 15. Contact a Sears or other
adjustment, qualified service center.
Excessive
vibration
Engine continues
to run when
operator leaves
seat with
attachment
clutch engaged
Poorcut-uneven
Mower blades will
not rotate
Poor grass
discharge
1. Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose/damaged part(s).
.
.
2.
3.
4.
5.
Faulty operator-safety
presence control system.
Worn, bent or loose blade.
Mower deck not level.
Buildup of grass, leaves, and
trash under mower.
Bent blade mandrel.
Clogged mower deck vent
from build-up of grass, leaves,
and trash around mandrels.
1. Obstruction in clutch
mechanism.
2. Worn/damaged mower drive
belt.
3. Frozen idler pulley.
4. Frozen blade mandrel.
1. Engine speed too slow.
2. Travel speed too fast.
1. Replace blade. Tighten blade
bolt.
2. Contact a Sears or other
qualified service center.
3. Tighten loose part(s).
Replace damaged parts.
.
Check wiring, switches and
connections. If not corrected
contact a Sears or other
qualified service center.
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.
1. Remove obstruction.
2. Replace mower drive belt.
3. Replace idler pulley.
4. Contact a Sears or other
qualified service center.
1. Place throttle control in
"FAST" position.
2. Shift to slower speed.
31