Cleaning Fuel Sediment CUP, Spark Plug Maintenance

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.

SEDIMENT

■ Clean each of the parts in a high flash-point solvent.
■	Reinstall the filter, o-ring, and sediment cup. Tighten
	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 plug.

■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, FT7C.

■Measure the plug gap with a feeler gauge. The 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.

DRAINING CARBURETOR

container.

■Retighten drain screw.

TRANSPORTING

■Turn the engine switch and fuel valve OFF.

■Make sure engine and exhaust system of unit is cool.

■Keep the unit level to prevent fuel spillage.

■Do not drop or strike the unit or place under heavy objects.

SPARK PLUG

DRAIN SCREW

CUP

Fig. 14

Fig. 15

Fig. 16