Operating instructions

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 (0.6 mm). 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 (19 mm) socket
wrench.
4. Reinstall the spark plug boot.
LINE REPLACEMENT
1. Press the tabs on the side of the
trimmer head and remove cover
and spool.
Cover
Tap Button
2. Remove any remaining line.
3. Clean dirt and debris from all parts.
Replace spool if it is worn or dam-
aged.
4. Replace with a pre-wound spool
(#71-85950), or replace line using
a 15 feet (4.5 meters) length of
0.095 inch (2.4 mm) diameter
CraftsmanCR_brand line.
5. When installing new line on an ex-
isting spool, hold the spool as
shown in the illustration below.
6. Bend the line at the midpoint and
insert the bend into the slot in the
center rim of the spool. Ensure line
snaps into position in the slot.
7. With your finger between the lines,
wrap the lines evenly and firmly
around the spool in a clockwise di-
rection.
8. Position the lines in the guide
slots.
Guide Slot
Guide
Slot
k
9. Insert the ends of the lines through
exit holes in the sides of the cover.
10. Place the spool in the cover.
Spool
Cover
11. Make sure the lines are not caught
between the spool and the cover.
12. Reinstall the spool and cover onto
the trimmer head. Push until cover
snaps into place.
BLADE REPLACEMENT
Refer to the ASSEMBLY section for
blade replacement instructions and
illustrations.
CARBURETOR ADJUSTMENT
_,WARNING: Keep others away
when making idle speed adjustments.
The trimmer head or blade will be
spinning during most of this proce-
dure. Wear your protective equipment
and observe all safety precautions.
After making adjustments, the trimmer
head or blade must not move/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:
15