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INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
_1_WARNING: The muffler on this
product contains chemicals known to
the State of California to cause cancer.
_kWARNING: Muffler is very hot
during and after use. Do not touch the
muffler or allow combustible material
such as dry grass or fuel to do so.
As your unit is used, carbon deposits
build up on the muffler and spark ar-
resting screen. For normal homeown-
er use, however, the muffler and spark
arresting screen will not require any
service.
After 50 hours of use, we recommend
that your muffler be serviced or re-
placed by your Sears Service Center.
REPLACE SPARK PLUG
Replace the spark plug each year to
ensure the engine starts easier and
runs better. Set spark plug gap at
0.025 inch. Ignition timing is fixed and
nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder
and discard.
3. Replace with Champion RCJ-6Y
spark plug and tighten securely with
a 3/4 inch socket wrench.
4. Reinstall the spark plug boot.
REPLACING THE LINE
1. Remove spool by firmly pulling on
tap button.
2. Clean entire surface of hub and
spool,
3. Replace with pre-wound spool, or
cut a length of 20 feet of 0.080 inch
(2 mm) diameter Craftsman® brand
line.
_1_WARNING: Never use wire,
rope, string, etc., which can break off
and become a dangerous missile.
4. Insert one end of line about 1/2 inch
(1 cm) into the small hole on the in-
side of the spool.
5. Wind line evenly and tightly onto
spool. Wind in the direction of the
arrow on the spool.
Line in Notch
Hub
Line exit hole
6. Push the line into the notch, leaving
3 to 5 inches ( 7 - 12 cm) unwound.
7. Insert the line into the exit hole in
the hub as shown in the illustration.
8. Align the notch with the line exit
hole,
9. Push spool into hub until it snaps
into place.
10. Pull the line extending outside of the
hub to release it from the notch.
CARBURETOR ADJUSTMENT
_ WARNING: Keep others away
when making idle speed adjustments.
The trimmer head will be spinning dur-
ing this procedure. Wear your protec-
tive equipment and observe all safety
precautions.
The carburetor has been carefully set
at the factory. Adjustments may be
necessary if you notice any of the fol-
lowing conditions:
• Engine will not idle when the throttle is
released.
Make adjustments with the unit sup-
ported so the cutting attachment is off
the ground and will not make contact
with any object, Hold the unit by hand
while running and making ad ust-
ments. Keep a parts of your body
away from the cutting attachment and
muffler.
Idle Speed Adjustment
Allow engine to idle, Adjust speed until
engine runs without stalling (idle
speed too slow).
• Turn idle speed screw clockwise to
increase engine speed if engine
stalls or dies.
• Turn idle speed screw counterclock-
wise to decrease engine speed.
10
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