18
SERVICE AND ADJUSTMENTS

REPLACING THE LINE

For unit to operate properly, the cutting line
should be replaced when line becomes worn to
less than 3 inches (7.5 cm) in length from the
edge of the line exit tunnels on each side of the
cutting head.
1. Remove and discard worn line before
installing new line.
2. Use only 0.115 inch (3 mm) diameter
Poulan PRO brand cut length line.
3. Insert one end of the line through the
positioning tunnel.
4. Continueto feed line through tunnel until
line is centered (leaving equal amounts
on each side). See illustration below.
Positioning
tunnel
5. Insertends ofline one at a time through
the line exit tunnels.
6. Pullthe line and make sure the line is ex-
tended fully through the tunnels.
Lineex it
tunnel
Lineex it
tunnel
7. Correctly installed line will be the same
length on both ends.

BLADE REPLACEMENT

Referto the ASSEMBLY section for blade re-
placement instructions and illustrations.

CARBURETORIDLE SPEED

ADJUSTMENT

WARNING: Keep other s away when
making idle speed adjustments. The trimmer
head, blade or any optional attachment will be
spinning during most of this procedure. Wear
yourpr otective equipment and observe all saf e-
ty precautions. After making adjustments, the
trimmer head, blade or any optional attachment
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 following conditions:
SEngine will not idle when the throttle is
released.
SThe trimmer head, blade or optional
attachment moves/spins at idle.
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 away
from the cutting attachment and muffler.

Toadjust idle speed:

Allowengine to idle. Adjust s peed untilengine
runs without trimmer head, blade or optional
attachment moving or spinning (idle too fast)
or stalling (idle speed too slow).
STurn idle speed screw clockwise to
increase engine speed if engine stalls or
dies.
STurnidle s peed screw countercloc kwise to
decrease engine speed if trimmer head,
blade or optional attachment moves or
spins at idle.
WARNING : Recheck the idle speed
after each adjustment. The trimmer head,
blade or optional attachment must not move
orspin at idle s peed to avoid serious injury to
the operator or others.
Air Filter
Cover
Idle Speed Screw
Ifyou require further assistanc eor ar eunsur e
about performing this procedure, contact an
authorized service dealer or call
1--800--554-- 6723.