7

REPLACE SPARKPLUG

Replace the spark plug each year to ensure
the engine starts easier and runs better. Set
sparkplug gap at 0.025 inch. Igni tion timing is
fixed and nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder and dis-
card.
3. Replacewith Champion RCJ-6Y spark plug
and tighten securely with a 3/4 inch socket
wrench.
4. Reinst all the spark plug boot.
SERVICE AND ADJUSTMENTS

REPLACING THE LINE

For unit to operate properly, the cutting line
shouldbe replaced when line becomes worn to
lessthan 3 inches in lengt h from the edge of the
lineexit tunnels on each side of the cutting head.
WARNING: Only replace cutting line
with engine switch in the OFF position.
1. Remove and discard worn line before
installing new line.
2. Use only .115” diameter Weed Eater R
brand cut length line.
3. Insertone end of the line through the posi-
tioning tunnel.
4. Continue to feed line through tunnel until
line is centered (leaving equal amounts on
each side). Seeillustration below.
Positioning
tunnel
5. Insertends ofline one at a time through the
line exit tunnels.
6. Pull the line and make sure the line is ex-
tended fully through the tunnels.
Line exit
tunnels
7. Correctly installed line will be the same
length on both ends.

CARBURETOR ADJUSTMENTS

WARNING: Keep others away when
making idle speed adjustments. Thet rimmer
head will be spinning during most of this pro-
cedure. Wearyour protective equipment and
observe all safety precautions. After making
adjustments, the trimmer head must not
move/spin at idle speed.
The carburetor has been carefully set at the
factory.A djustments may be necessary if you
notice any of the following conditions:
SEngine will not idle when the throttle is re-
leased.
SThe trimmer head moves/spins at idle.
Make adjustments 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. Keep all parts of your body away
from the cutting attachment and muffler.

Idle Speed Adjustment

Allow engine toidle. Adjus t speedunt ilengine
runswithout trimmerhead moving or spinning
(idle too fast) or stalling (idle speed too slow).
STurn idle speed screw clockwise to in-
creaseengine speed if engine stalls or dies.
STurn idle speed screw counterclockwise to
decrease engine speed if trimmer head
moves or spins at idle.
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.
Idle Speed Screw
Air Filter
Cover
Ifyou require further assis tance or are unsure
about performing this procedure, contact an
authorized service dealer or call
1--800--554--6723.