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TROUBLESHOOTING CHART
Loss of power 1. Cutting too much grass/too 1. Set in “Higher Cut” position/
fast. reduce speed.
2. Throttle in “CHOKE” 2. Adjust throttle control.
position.
3. Build-up of grass, leaves 3. Clean un der side of mower
and 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. Drain fuel tank and refi ll with
fresh gasoline.
9. Water in fuel. 9. Drain fuel tank and carbure
tor, refi ll tank with fresh
gasoline 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 14.See “To Adjust Car bu re tor”
adjustment. in Service and Adjustments
section.
15.Engine valves out of 15. Contact a qualifi ed
adjustment. service center/department.
Excessive 1. Worn, bent or loose blade. 1. Replace blade.
vibration Tighten blade 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 pres ence control system. connections. If not
when operator contact a qualifi ed
leaves seat with service center/department.
with attachment
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, 3. Clean underside of mower
and 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 open vent holes.
grass, leaves, and trash
around mandrels.
PROBLEM CAUSE CORRECTION