Poulan Pro SM400 Instruction Manual page 10

CLEAN AIR FILTER
_i_ Air Fi_ter
_'_Cove r
Screws
Cleaning the air filter:
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean or replace
air filter after every 5 hours of operation or
yearly, whichever comes first.
1. Clean the cover and the area around it to
keep debris from falling into the carburetor
chamber when the cover is removed.
2. Remove parts as illustrated.
NOTE: Do not ciean 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 eil.
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. ignition timing is
fixed, nonadjustable.
1. Twist, then puli 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
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
CHECK MUFFLER MOUNTING
SCREWS
Once each year, ensure muffler mounting
screws are secure and tightened properly to
prevent damage.
Mounting
_ _ Screw
Muffler Cover :_i_ f_'> -_\ Holes
Screws
1. Loosen and remove the 2 screws from the
muffler cover.
2. Remove the muffler cover.
3. Tighten the 2 muffler mounting screws se-
curely.
4. Reinstall muffler cover and 2 screws.
Tighten securely.
CARBURETOR ADJUSTMENTS
There is no screw for idle adjustment on your
blower. The throttle lever is used to control
engine speed. The throttle lever can be
placed in one of four positions: STOP, IDLE
or "_P, FULLTHROTTLE or '_, and one
intermittent position. If your engine will not run
properly or you require further assistance,
contact an authorized service dealer or call
1-800-554-6723.
,tA
="=WARNING:
Perform the following
steps after each use:
• Allow engine to cool, and secure the unit
before storing or transporting.
• Store unit and fuel in aweII ventilated area
where fuel vapors cannot reach sparks or
open flames from water heaters, electric
motors or switches, furnaces, etc.
• Store unit with all guards in place. Position
unit so that any sharp object cannot acci-
dentally cause injury.
• Store unit and fuel well out of the reach of
children.
SEASONAL STORAGE
Prepare unit for storage at end of season or if
it will not be used for 30 days or more.
If your unit is to be stored for a period of time:
• Clean the entire unit before lengthy stor-
age.
• Store in a clean dry area.
• Lightly oil external metal surfaces.
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