Poulan 545186897 - Manual (Page 10)

10
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 in length from the edge of
each side of the cutting head.
WARNING: Use only 0.095 inch (2,4
mm) diameter Poulan brand cut length line.
Never use wire, rope, string, etc., which can
break off and become a dangerous missile.
1. Remove and discard worn line before
installing new line.
2. Clean entire surface of cutting head.
3. Insert ends of line into the two guide holes
on front of cutting head.
Guide
Hole
Guide
Hole
4. Continue to feed line through the guide
holes until the line is fully extended
through the side exit holes.
Side Exit Hole
Side Exit
Hole
5. Pull ends of line until line is tight. Correctly
installed line will be the same length on
both ends.
REPLACING THE CUTTING HEAD
1. Align hole in the dust cup with the hole in
the side of the gearbox by rotating the
dust cup.
2. Insert a small screwdriver into aligned
holes. This will keep the shaft from turning
while removing and installing trimmer head.
Screwdriver
3. While holding the screwdriver in position,
remove trimmer head by turning clock-
wise (looking from bottom of unit).
4. Thread replacement trimmer head onto
the shaft by turning counterclockwise.
Tighten until secure.
5. Remove the screwdriver.
CARBURETOR IDLE SPEED
ADJUSTMENT
WARNING:
Keep others away when
making idle speed adjustments. The trimmer
head will be spinning during this procedure.
Wear your protective 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:
S
Engine will not idle when the throttle is
released.
Make adjustments with the unit supported 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 ad-
justments. Keep all parts of your body away
from the cutting attachment and muffler.
To adjust idle speed:
Allow engine to idle. Adjust speed until engine
runs without stalling (idle speed too slow).
S
Turn idle speed screw clockwise to increase
engine speed if engine stalls or dies.
S Turn idle speed screw counterclockwise to
decrease engine speed.
Air Filter Cover
Idle Speed Screw
If you require further assistance or are unsure
about performing this procedure, contact an
authorized service dealer or call
1--800--554--6723.