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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.
After time the Fuel Return Line will become brittle and crack and will need to be replaced.
The Bumper Head Knob is the part of the trimmer that when struck on the ground, advances the trimmer line in the spool.
To remove the Bumper Head Knob, thread it off the spindle of the gear box assembly.
The purpose of the 738-04124A Shear Pin is to protect your snowblower.
If the auger gets jammed or clogged, the Shear Pin is designed to snap at a certain point of pressure, so it will not damage any other part of the unit.