Poulan Pro 191663 Owner's Manual page 29

TROUBLESHOOTING CHART:
PROBLEM
Loss of power
(continued)
Excessive
vibration
Engine continues 1. Faulty operator-safety
to run when oper-
ator leaves seat
with attachment
clutch engaged
Poor cut - uneven 1. Worn, bent or loose blade.
Mower blades will 1. Obstruction in clutch
not rotate
CAUSE
5. Low oil level/dirty oil.
6. Faulty spark plug.
7. Dirty fuel fi lter.
8. Stale or dirty fuel.
9. Water in fuel.
10. Spark plug wire loose.
11. Dirty engine air screen/fi ns.
12. Dirty/clogged muffl er.
13. Loose or damaged wiring.
14. Carburetor out of adjustment. 14. See "To Adjust Carburetor" in
15. Engine valves out of
adjustment.
1. Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose/damaged part(s).
presence control system.
2. Mower deck not level.
3. Buildup of grass, leaves, and 3. Clean underside of mower
trash under mower.
4. Bent blade mandrel.
5. Clogged mower deck vent
from build-up of grass, leaves,
and trash around mandrels.
mechanism.
2. Worn/damaged mower drive 2. Replace mower drive belt.
belt.
3. Frozen idler pulley.
4. Frozen blade mandrel.
CORRECTION
5. Check oil level/change oil.
6. Clean and regap or change
spark plug.
7. Replace fuel fi lter.
8. Empty fuel tank and refi ll tank
with fresh, clean gas o line.
9. Empty fuel tank and car-
buretor, refi ll tank with fresh
gasoline and replace fuel fi lter.
10. Connect and tighten spark
plug wire.
11. Clean engine air screen/fi ns
12. Clean/replace muffl er.
13. Check all wiring.
Service and Adjustments
section.
15. Contact our authorized
service center/department.
1. Replace blade. Tighten
blade bolt.
2. Contact our authorized
service center/department.
3. Tighten loose part(s).
Replace damaged parts.
1. Check wiring, switches and
connections. If not cor rect ed,
contact our authorized
service center/department.
1. Replace blade. Tighten
blade bolt.
2. Level mower deck.
housing.
4. Contact our authorized
service center/department.
5. Clean around man drels to
open vent holes.
1. Remove obstruction.
3. Replace idler pulley.
4. Contact our authorized
service center/department.
29