Replacing The Trimmer Head; Carburetor Adjustment; Idle Speed Adjustment - Craftsman Weedwacker 358.791980 Operator's Manual

NOTE: Line glide plsCce m ust be rein-
stalled in cut_ng head before inserting
new line.
4. Insert both eeds of your line
through the proper holes in the
side of the cutting head.
5. Pull the line and make sure the line
is against the hub and extended full
through the positioning tunnels.
Lineagainst
6. Correctly installed line will be the
same length on both ends.
REPLACING THE TRIMMER HEAD
1. Align bole in the dust cup with the
hole in the side of the gearbox by
rotating the arbor shaft.
2. Insert a small screwdriver into
aligned holes. This will keep the
shaft _Tom turning while removing
and installing trimmer head.
Screw_
3. While holding the screwdriver in
position, remove trimmer head by
turning clockwise.
4. Thread replacement trimmer head
onto the shaft by turning counter-
clockwise. Only tigl-;ten hand l_ght!
5. Remove the screwdriver.
CARBURETOR ADJUSTMENT
_ WARNING: Keep others away
when making idle speed adjustments.
The trimmer head will be spinning dur-
ing most ofthis procedure. Wear your
protective equipment and observe all
safety precautions. After making ad-
justments, the trimmer head must not
move or spin at idle speed.
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.
• The trimmer head moves or spins at
idle.
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 edjus_'nents.
Keep all parts of your body away from
the cut_ng attachment andmuffier.
Idle Speed Adjustment
Allow engine to idle. Adjust speed until
engine runs without trimmer head
moving or spinning (idle too fast) or
engine 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 if
trimmer head moves or spins at idle.
_ Idk_ Speed
Screw
Air Filter
/ / / Cover
AI_ WARNING: Recheck the idle
speed after each adjustment. The
trimmer head must not move or spin at
idle speed to avoid serious injury to
the operator or others.
If you require further assistance or are
unsure about performing this proce-
dure, contact your Sears Service Cen-
ter or call our customer assistance
help line at 1-800-235-5878.
12