Carburetor Idle Speed Adjustment - Poulan Pro BVM210VS Instruction Manual

Button
Air Filter
Cover
Air Filter
Cleaning the air filter:
1. Clean the cover and the area around it to
keep debris from falling into the carburetor
chamber when the cover is removed.
NOTE:
Move choke lever to RUN position
before opening air filter cover.
2. Open air filter cover by pushing button
(see illustration). Remove air filter.
NOTE:
Do not clean filter in gasoline or other
flammable solvent. Doing so can create a fire
hazard or produce harmful evaporative emis-
sions.
3. Wash the filter in soap and water.
4. Allow filter to dry.
5. Apply a few drops of oil to the filter;
squeeze filter to distribute oil.
6. Replace parts.
REPLACE SPARK PLUG
Replace 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, nonadjustable.
1. Twist, then pull off spark plug boot.
2. Remove spark plug from cylinder and dis-
card.
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.
REPLACE FUEL FILTER
To replace fuel filter, drain unit by running it dry
of fuel, then remove fuel cap/retainer assem-
bly from tank. Pull filter from tank and remove
it from the fuel line. Install new fuel filter on fuel
line; reinstall parts.
Fuel Filter
Fuel Line
CHECK MUFFLER MOUNTING
SCREWS
Once each year, ensure muffler mounting
screws are tightened securely to prevent
damage.
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
WARNING:
The muffler on this prod-
uct contains chemicals known to the State of
California to cause cancer.
As the unit is used, carbon deposits build up
on the muffler and spark arresting screen,
and must be removed to avoid creating a fire
hazard or affecting engine performance.
Muffler Cover
Replace the spark arresting screen every 50
hours of operation or if any damage or breaks
in the screen are noted.
NOTE:
Do not attempt to clean the spark ar-
resting screen.
1. Remove 3 screws from muffler cover.
Remove muffler cover.
2. Loosen and remove 4 screws from the
muffler hood.
3. Remove the muffler hood and spark arrest-
ing screen.
4. Install new spark arresting screen.
5. Reinstall muffler hood and 4 screws. Tight-
en screws securely.
6. Reinstall muffler cover and 3 screws.
Tighten securely.
NOTE:
If any part of the muffler is cracked,
broken or damaged, we recommend that the
muffler be replaced.
CARBURETOR IDLE SPEED
ADJUSTMENT
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 re-
leased.
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 in-
crease engine speed if engine stalls or dies.
S Turn idle speed screw counterclockwise to
decrease engine speed.
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Muffler
Mounting
Screw
Spark
Arresting
Screen
Hood
Screws