TROUBLESHOOTING
CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
CAUSE
Loss of power
1
Cutting too much
grass/too
fast.
1
2
Throttle
in "CHOKE"
position.
2
3
Build-up
of grass,
leaves and
3
trash under mower.
4
Dirty air filter.
4
5
Low oil level/dirty
oil.
5
6
Faulty spark
plug.
6
7
Dirty fuel filter.
8
Stale or dirty fuel.
9
Water in fuel.
7
8
10
Spark plug wire loose.
10
11
Dirty engine
air screen/fins.
11
12
Dirty/clogged
muffler.
12
13
Loose or damaged
wiring.
13
14
Carburetor
out of adjustment.
14
15
Engine
valves
out of adjustment.
15
Excessive vibration
1
2
Engine continues
to 1
run when operator
leaves seat with
attachment
clutch
engaged
Worn, bent or loose blade.
1
Bent blade
mandrel.
2
3
Loose/damaged
part(s).
3
Faulty operator-safety
presence
control system.
Worn, bent or loose blade.
1
Mower deck
not level.
2
Buildup
of grass,
leaves,
and
3
trash under mower.
Bent blade
mandrel.
4
Clogged
mower deck vent from
build-up
of grass,
leaves, and
trash around
mandrels.
CORRECTION
Poor cut - uneven
1
cutting
2
Raise cutting
height/reduce
speed.
Adjust
throttle
control.
Clean
underside
of mower
housing.
Clean/replace
air filter.
Check oil level/change
oil.
Clean
and regap or change
spark
plug.
Replace
fuel filter.
Empty fuel tank and refill tank with
fresh, clean gasoline.
Empty fuel tank and carburetor,
refill tank with fresh gasoline
and
replace
fuel filter.
Connect
and tighten spark
plug
wire.
Clean
engine
air screen/fins.
Clean/replace
muffler.
Check all wiring.
See "To Adjust
Carburetor"
in
Service
and Adjustments
section.
Contact
a Sears or other qualified
service
center.
Replace
blade. Tighten
blade
bolt.
Contact
a Sears or other
qualified
service
center.
Tighten
loose part(s).
Replace
damaged
parts.
Check wiring,
switches
and
connections.
If not corrected,
contact
a Sears or other qualified
service
center.
Replace
blade. Tighten
blade
bolt.
Level mower
deck.
Clean
underside
of mower
housing.
Contact
a Sears or other
qualified
service
center.
Clean
around
mandrels
to
open vent holes.
32