Poulan Pro PPB250E Manual De Instrucciones página 12

Button
Air Filter
Air Filter Cover
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
_ WARNING:
The muffler on this prod-
uct contah_s chemicals known to the State of
California to cause cancer.
As your unit is used, carbon deposits build up
on the muffler and spark arresting screen and
must be removed to avoid creath_g a fire haz-
ard or affecting engine performance.
REPLACING THE LINE
For normal homeowner use, the muffler and
spark arresting screen will not require any
service. After 50 hours of use, we recom-
mend that your muffler be serviced or re-
placed by an authorized service dealer.
REPLACE SPARK PLUG
Replace the spark plug each year to ensure
the engine starts easier and runs better. In-
spect spark plug every 25 hours of usage.
Clean and/or replace as necessary. Set spark
ptug gap at 0.025 inch (0.6 mm). Ignition tim-
ing 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.
For unit to operate properly, the cutting tine
should be replaced when line becomes worn to
less than 3 inches in length from the edge of the
line exit tunne}s on each side of the cutting head.
_, WARNING: Onlyreplacecuttingline
with ON/OFF switch in the OFF position.
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. Continue to feed line through tunnel until
line is centered (leaving equal amounts
on each side). See illustration below.
5. Insert ends of line 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.
e it
7. Correctly installed line will be the same
length on both ends.
REPLACING THE CUTTING HEAD
1. Align hole in the dust sup 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.
4. Thread replacement trimmer head onto
the shaft by turning counterclockwise.
Tighten until secure.
5. Remove the screwdriver.
CARBURETOR ADJUSTMENT
WARN IN G: Keep
others away when
making idle speed adjustments. The trimmer
head, blade or any optional attachment will be
spinning during most of this procedure. Wear
your protective equipment and observe all safe-
ty precautions. After making edjustments, 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:
• Engine will not idle when the throttIe is
released.
• The trimmer head, blade or optional
attachment moves/spins at idle.
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