TROUBLESHOOTING CHART
PROBLEM
Loss of power
(continued)
CAUSE
3. Build-upof 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.
Excessive
vibration
Engine continues
to run when oper-
ator leaves seat
with attachment
clutch engaged
Poor cut - uneven
Mower blades will
not rotate
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.
.
Clogged mower deck vent
holes from buildup 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.
CORRECTION
3. Clean underside of mower
housing.
4. Clean/replace air filter.
5. Check oil level/change oil.
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 qualified service
center/department.
1. Replace blade. Tighten blade
bolt.
2. Contact a qualified service
center/department.
3. Tighten loose part(s).
Replace damaged parts.
;1.
Check wiring, switches and
connections. If not contact a
qualified service center/de-
partment.
1. Replace blade. Tighten
blade bolt.
2. Level mower deck.
3. Clean underside of mower
housing.
4. Contact a qualified service
center/department.
5. Clean around mandrels to
open vent holes.
1. Remove obstruction.
2. Replace mower drive belt.
3. Replace idler pulley.
4. Contact a qualified service
center/department.
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