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TROUBLESHOOTINGCHART
PROBLEM
Lossofpower
(continued)
CAUSE
3. Build-upof grass,leaves
and trash under mower.
4. Dirtyairfilter.
5. Low oillevel/dirtyoil.
6. Faultyspark plug.
7. Dirty fuel filter.
8. Stale or dirty fuel.
9. Water in fuel.
10.Sparkplug wireloose.
11.Dirtyengineair screen/fins.
12.Dirty/cloggedmuffler.
t3.Loose or damagedwidng.
14.Carburetor outof
adjustment.
15.Enginevalvesout of
adjustment.
1. Worn,bent or looseblade.
2. Bent blade mandrel.
3. Loose/damagedpart(s).
CORRECTION
3. Clean undersideof mower
housing.
4. Clean/replaceair filter.
5. Check oil level/changeoil.
6. Clean and regapor change
spark plug.
7. Replacefuel filter.
8. Drainfuel tankand refill
with fresh gasoline.
9. Drainfuel tankand
carburetor,refilltankwith
fresh gasolineand replace
fuel filter.
10.Connectand tightenspark
plugwire.
11.Clean engineair screen/
fins.
12.Clean/replace muffler.
13.Check all wiring.
14.See "ToAdjustCarburetor"
in ServiceAdjustments
section.
15.Contacta Sears orother
qualified servicecenter.
Excessive I. Replace blade.
vibration Tighten blade bolt.
2. Replace blade mandrel.
3. Tighten loose part(s).
Replace damaged parts.
Enginccontinuea 1. Faulty operator-safety 1. Check wiring, switches and
to run when presence control system, connections. If not corrected
operator leaves contact a Sears or other
seat with qualified service center.
attachment
clutch engaged
Poor cut - uneven I. Worn, bent or loose blade.
2. Mowerdecknot level.
3. Buildupofgrass,leaves,
and trash undermower.
4. Bentblade mandrel.
5. Clogged mowerdeckvent
from build-upofgrass,
leaves, and trasharound
mandrels.
Mower blades will
not rotate
1. Obstruction in clutch
mechanism.
2. Worn/damaged mower
drive belt.
3. Frozen idler pulley.
4. Frozen blade mandrel.
1. Replace blade. Tighten
blade bolt.
2. Level mower deck.
3. Clean underside of mower
housing.
4. Replace blade mandrel.
5. Clean around mandrels to
open vent holes.
1. Remove obstruction.
2. Replace mower drive belt.
3. Replace idler pulley.
4. Replace blade mandrel.
31
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