Poulan SM400 Blower User Manual


 
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FUEL SYSTEM
Under FUELING ENGINE in th e OPERA-
TION sectionofthismanual,seemessagela-
beled IMPORTANT regarding the use of ga-
sohol in your engine.
Fuel stabilizer is an acceptable alternative in
minimizing the formation of fuel gum deposits
during storage. Addstabilizer to gasoline in fuel
tank or fuel storage container . Follow the mix
instructions found on stabilizer container . Run
engine at least 5 minutes after adding stabilizer .
HELPFUL TIP
During storageof yourgas/
oilmixture, theoil willsepa-
rate from the gas.
We recommend that you
shake the gas can weekly
toinsureproperblendingof
the gas and oil.
ENGINE
S Removespark plugand pour1teaspoonof
40:1,2-cycleengineoil(air cooled)through
the spark plug opening. Slowly pull t he
starter rope 8 to 1 0 times to distribute oil.
S Replacespark plugwith newoneofrecom-
mended type and heat range.
S Clean air filter.
S Check entire unit for loose screws, nuts,
and bolts. Replace any damaged, broken,
or worn parts.
S At the beginning of the next season, use
onlyfreshfuelhavingtheproper gasolineto
oil ratio.
OTHER
S Do not store gasoline from one season to
another.
S Replaceyourgasolinecanifitstarts torust.
TROUBLE
CAUSE REMEDY
Engine will not
start.
1. Engine flooded.
2. Fuel tank empty.
3. Spark plug not firing.
4. Fuel not reaching
carburetor.
5. Compression low .
1. See “Starting a Flooded Engine”
in Operation section.
2. Fill tank with correct fuel m ixture.
3. Install new spark plug.
4. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
5. Contact an authorized service dealer.
Engine will not
idle properly.
1. Fuel not reaching
carburetor.
2. Carburetor requires
adjustment.
3. Crankshaft seals worn.
4. Compression low .
1. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
2. Contact an authorized service dealer.
3. Contact an authorized service dealer
4. Contact an authorized service dealer.
1. Air filter dirty .
2. Fuel not reaching
carburetor .
3. Spark plug fouled.
4. Carburetor requires
adjustment.
5. Carbon b uild up.
6. Compression low .
Engine will not
accelerate,
lacks power, or
dies under a
load.
1. Clean or replace air filter.
2. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
3. Clean or replace spark plug
and re-gap.
4. Contact an authorized service dealer.
5. Contact an authorized service dealer.
6. Contact an authorized service dealer.
Engine smokes
excessively.
1. Choke partially on.
2. Fuel mixture incorrect.
3. Air filter dirty.
4. Carburetor requires
adjustment.
1. Adjust choke.
2. Empty fuel tank and refill with
correct fuel m ixture.
3. Clean or replace air filter.
4. Contact an authorized service dealer.
Engine runs hot.
1. Fuel mixture incorrect.
2. Spark plug incorrect.
3. Carburetor requires
adjustment.
4. Carbon build up.
1. See “Fueling Engine” in Operation
section.
2. Replace with correct spark plug.
3. Contact an authorized service dealer.
4. Contact an authorized service dealer.
TROUBLESHOOTING TABLE
WARNING: Always stopunit anddisconnect spark plug before performing any ofthe
recommended remedies below other than remedies that require operation of the unit.