27
TROUBLESHOOTING CHART
Loss of power
3. Build-up of grass, leaves and 3. Clean un der side of mower
(continued)
trash under mower. housing.
4. Dirty air fi lter. 4. Clean/replace air fi lter.
5. Low oil level/dirty oil. 5. Check oil level/change oil.
6. Faulty spark plug. 6. Clean and regap or change
spark plug.
7. Dirty fuel fi lter. 7. Replace fuel fi lter.
8. Stale or dirty fuel. 8. Empty fuel tank and refi ll tank
with fresh, clean gasoline.
9. Water in fuel. 9. Empty fuel tank and carbure-
tor, refi ll tank with fresh gas-
oline and replace fuel fi lter.
10. Spark plug wire loose. 10. Connect and tighten spark
plug wire.
11. Dirty engine air screen/fi ns. 11. Clean engine air screen/fi ns.
12. Dirty/clogged muffl er. 12. Clean/replace muffl er.
13. Loose or damaged wiring. 13. Check all wiring.
14. Carburetor out of adjustment. 14. See “To Adjust Car bu re tor” in
Service and Adjustments
section.
15. Engine valves out of 15. Contact a qualifi ed service
adjustment. center/department.
Excessive
1. Worn, bent or loose blade. 1. Replace blade. Tighten blade
vibration
bolt.
2. Bent blade mandrel. 2. Contact a qualifi ed service
center/department.
3. Loose/damaged part(s). 3. Tighten loose part(s).
Replace damaged parts.
Engine continues
1. Faulty operator-safety 1. Check wiring, switches and
to run when oper-
pres ence control system. connections. If not contact a
ator leaves seat
qualifi ed service center/de-
with attachment
partment.
clutch engaged
Poor cut - uneven
1. Worn, bent or loose blade. 1. Replace blade. Tighten
blade bolt.
2. Mower deck not level. 2. Level mower deck.
3. Buildup of grass, leaves, and 3. Clean underside of mower
trash under mower. housing.
4. Bent blade mandrel. 4. Contact a qualifi ed service
center/department.
5. Clogged mower deck vent 5. Clean around mandrels to
holes from buildup of grass, open vent holes.
leaves, and trash around
mandrels.
Mower blades will
1. Obstruction in clutch 1. Remove obstruction.
not rotate
mechanism.
2. Worn/damaged mower drive 2. Replace mower drive belt.
belt.
3. Frozen idler pulley. 3. Replace idler pulley.
4. Frozen blade mandrel. 4. Contact a qualifi ed service
center/department.
PROBLEM CAUSE CORRECTION