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18
e. Blow out loosened carbon'with com-
pressed air.
f.' Clean the spark arrestor screen with a
wire brush or replace if breaks in the
screen are found.
g. Reassemble muffler parts.
2. SPARK PLUG
• Maintenance is indicated when the engine
is hard to starL
• Keep the spark plug:
--clean
--properly gapped (.025")
CHAMPION CJ-8Y SPARK PLUG
GAP .025" :_;T_
Figure42
Items Required: Small brush, such as a
tooth brush, or a pocket knife.
a.
b.
C,
d.
e.
f.
Remove the carburetor cover.
Pull the rubber connector from the
spark plug and remove the spark plug
from the cylinder.
Clean deposits from the electrodes of
the spark plug with a small brush or a
pocket knife.
NOTE: Be careful when removing,
cleaning, gapping and replacing the
spark plug. If it is damaged, it will not
work properly and must be replaced.
Set the gap between the electrodes to
.025" using a wire or flat gauge. Figure
42.
Replace the spark plug in the cylinder
and attach the rubber connector.
Replace carburetor cover and knob.
C. STARTER ROPE REPAIR AND REPLACEMENT
A starter rope that breaks next to the pulley
can be repaired.
Replace the starter rope if the rope breaks more
than 2-3 inches away from the pulley as the rope
will be too short to repair properly,
z_WARNING
Always wear eye protection when servic-
ing the starter rope, The recoil spring
beneath the pulley isunder tension. Ifthe
spring pops out serious personal injury
can result.
NOTE: The recoil spring, located beneath the
pulley, is under tension. If spring pops out, it
will require considerable time and effort to
reinstall. For this reason, you may want to let
your Sears Service Center handle this repair.
If you do try to repair the starter rope and the
recoil spring pops out, take the unit to your
Sears Service Center.
1. Remove the four screws on the side of the
fan housing. Figure 43.
NOTE: Notice the different lengths of the
screws and their proper locations while
removing the screws.
2. Remove the fan housing.
3: If the starter rope is not broken, release the
spring tension by pulling about 12 inches of
rope from the pulley and catch the rope in
the notch as shown, Figure 44.
NOTE: The tension, on the starter spring will
be released if the rope has broken.
4. Turn the pulley counterclockwise
until thespring tension is released. Figure44.
NoTcH
UNDERSIDE •
HOLE I
SCREWDRIVER
"-<
Figure 43
TURN PULLEY
TO RELEASE
TENSION
Figure 44
_> PULLEY
SCREW
• _i_:. PULLEY RATCHET
TOPSIDE
_i FAN HQUSING PULLEY
STARTER . _
_ _///HOLE HOLE
F_--7_ _ 114" MAX. TAIL
_,..._1_'_ _TO PREVENT
_ _-_)_ INTERFERENCE
_t_._ _ WITH STARTER'
DOGS.
Figure 45
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