Craftsman 917.273664 Owner's Manual page 29

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Loss of power
(continued)
Excessive
vibration
Engine continues
to run when
operator leaves
seat with
attachment
clutch engaged
Poor cut - uneven
Mower blades will
not rotate
Poor grass
discharge
CAUSE
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. 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
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.
CORRECTION
6. Clean and regap or change
spark plug.
7. Replace fuel filter.
8. Empty fuel tank and refill tank
with fresh, clean gasoline.
9. 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.
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.
29