Troubleshooting - Craftsman 917.986940 Owner's Manual

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
Hard to start
Loss of power
CAUSE
1. Out of fuel.
2. Engine not "CHOKED"
properly.
3. Engine flooded.
4. Dirty air cleaner.
5. Water in fuel.
.
7.
8.
9.
Clogged fuel tank.
Loose spark plug wire.
Bad spark plug or
improper gap.
Carburetor out of adjustment
1. Throttle control not set
properly.
2. Dirty air cleaner.
3. Bad spark plug or
improper gap.
4. Stale or dirty fuel.
5. Loose spark plug wire.
6. Carburetor out of
adjustment.
1. Engine is overloaded.
2. Dirty air cleaner.
3. Low oil level/dirty oil.
4. Faulty spark plug.
5. Oil in fuel.
6. Stale or dirty fuel.
7. Water in fuel.
8. Clogged fuel tank.
9. Spark plug wire loose.
10. Dirty engine air screen.
11. Dirty/clogged muffler.
12. Carburetor out of
adjustment.
13. Poor compression.
18
CORRECTION
1. Fill fuel tank.
2. See "TO START ENGINE"
in the Operation section.
3. Wait several minutes before
attempting to start.
4. Clean or replace air cleaner
cartridge.
5. Empty fue! tank and carbure-
tor, and refill tank with fresh
gasoline.
6. Remove fuel tank and clean.
7. Make sure spark plug wire is
seated properly on plug.
8. Replace spark plug or adjust
gap.
9. Make necessary adjustments.
1. Place throttle control in
"FAST" position.
2. Clean or replace air cleaner
cartridge.
3. Replace spark plug or adjust
gap.
4. Empty fuel tank and refill tank
with fresh clean gasoline.
5. Make sure spark plug wire is
seated properly on plug.
6. Make necessary adjustments.
1. Set depth stake and wheels
for shallower tilling.
2. Clean or replace air cleaner
cartridge.
3. Check oil leve!/change oil.
4. Clean and regap or change
spark plug.
5. Empty and clean fuel tank
and refill, and clean carbure-
tor.
6. Empty fuel tank and refill tank
with fresh clean gasoline
7. Empty fue! tank and carbure-
tor, and refill tank with fresh
gasoline.
8. Remove fuel tank and clean.
9. Connect and tighten spark
plug wire.
10.Clean engine air screen.
11 .Clean/replace muffler.
12. Make necessary adjust ments.
13. Contact a Sears or other
qualified service center.