8

MUFFLER AND SPARKARREST-

ING SCREEN

WARNING: The muffler on this pr od-
uct contains chemicals known to the State of
California to cause cancer.
Asyour unit is us ed, carbon deposits build up
ont he mufflerand spar k arresting screen.
For normal homeowner use, however, the
mufflerand spark ar resting screen will not re-
quire any service. After 50 hours of use, w e
recommend that your muffler be serviced or
replaced by your authorized service dealer.

REPLACE SPARKPLUG

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). Igni-
tion timing is fixed and nonadjustable.
1. Twist,then pull off spark plug boot.
2. Removespark pl ug from cylinder and dis-
card.
3. Replacewith C hampion RCJ-6Y spark
plugand t ighten securely with a 3/4 inch
(19 mm) socket wrench.
4. Reinstallthe spark plugboot.
SERVICE AND ADJUSTMENTS

LINE REPLACEMENT

1. Removes pool by firmly pulling on tap
button.
2. Cleanentire surface of hub and spool.
3. Replacewith a pre-wound spool, or cut two
lengths of 12-1/2 feet of 0.080″(2 mm) di-
ameter WEED EATER brand line.
WARNING: Nev er use wire, rope,
string,etc., w hich can break off and become a
dangerous missile.
4. Insertends of the lines about 1/2 inch (1
cm) into the small holes on the inside of
spool.
Small
Holes
Spool
Hub
Linein N otch
Line in Notch
Lineex it holes
5. Windthe line evenly and tightly onto the
spool. Wind in the direction of the arrows
found on the spool.
6. Pushthelines into t he notches, leaving 3
to 5 inches (7 --12 cm) unwound.
7. Insertthe lines into the the exit holes in
the hub as shown in the illustration.
8. Alignthe notches with the line exit holes.
9. Pushs pool into hub until it snaps into
place.
10. Pull the lines extending outside of the hub
to release the lines from the notches.

CARBURETORADJUSTMENT

WARNING : Keepothers away when
makingidle speed adjus tments. T he trimmer
head will be spinning during this procedure.
Wearyour pr otective 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 following conditions:
SEngine will not idle when the throttle is re-
leased.
Makeadjus tments with the unit supported so
the cutting attachment is off the ground and
will not make contact with any object. Hold
theunit by hand while running and making ad-
justments. Keepall parts of your body aw ay
from the cutting attachment and muffler.

Idle Speed Adjustment

Allowengine to idle. Adjust s peed untilengine
runs without stalling (idle speed too slow).
STurn idle speed screw clockwise to in-
creaseengine speed if engine stalls or dies.
STurnidle s peed screw countercloc kwise to
decrease engine speed.
Air Filter Cover
Idle Speed Screw
Ifyou require further assistance or are unsure
about performing this procedure, contact an
authorized service dealer or call
1--800--554-- 6723.