Poulan Pro PP4300 - Manual (Page 19)

19
MAINTENANCE
CLEANING FUEL SEDIMENT CUP
gotten into the fuel tank from entering the carburetor. If
the engine has not been run for a long time, the sediment
cup should be cleaned before use.
Turn the fuel valve to the off position.
Remove the sediment cup using a 10 mm wrench.
Remove the o-ring and filter.
Clean each of the parts in a high flash-point solvent.
Reinstall the filter, o-ring, and sediment cup. Tighten
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■
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with 10 mm wrench to secure.
Return the fuel valve to the ON position and check ■
for leaks.
SPARK PLUG MAINTENANCE
deposits in order to ensure proper engine operation.
To check the spark plug:
Remove the spark plug cap.
Clean any dirt from around the base of the spark
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■
plug.
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■ Remove the spark plug.
Inspect the spark plug for damage, and clean with
a wire brush before reinstalling. If the insulator
is cracked or chipped, the spark plug should be
replaced.
NOTE: If replacing, use the following recommended
spark plugs or equivalent: NGK, .
Measure the plug gap with a feeler gauge. The
FT7C
■
correct gap is .028 - .031 in. Correct, if necessary, by
carefully bending the side electrode.
Seat spark plug in position; thread in by hand to
■
prevent cross-threading.
■
Tighten with spark plug wrench to compress washer.
If spark plug is new, use 1/2 turn to compress
washer appropriate amount. If reusing old spark
plug, use 1/8 to 1/4 turn for proper washer
compression.
Fig. 15
Fig. 14
SPARK PLUG
SEDIMENT
CUP
DRAINING CARBURETOR
container.
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■
Retighten drain screw.
Turn the engine switch and fuel valve OFF.
TRANSPORTING
Make sure engine and exhaust system of unit is cool.
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■
Keep the unit level to prevent fuel spillage.
Do not drop or strike the unit or place under heavy
objects. Fig. 16
DRAIN SCREW