The 791-682039 Fuel Filter and Line, filters the fuel in the tank as it is forced into the carburetor up by means of the primer bulb.
To install.
Remove retainer ring from fuel line.
Insert fuel line thru gas cap opening.
Thread fuel line thru hole in bottom of the fuel tank.
Pull fuel line thru to firmly seat against inside tank wall.
Put retainer ring on fuel line,hold line and press ring firmly against the out side of the fuel tank wall.
Then attach fuel line to correct line on the carburetor.
The filter will at sometime get clogged with dirt and debris that has collected in the fuel tank, and will have to be replaced.