If you can picture an elephants head mounted by a taxidermist hanging on the wall. The trunk hanging stiffly, towards the floor(6 O'clock position). If you were to take the mounted head and rotate it 45 degrees(swiveling on a nail) and the trunk were to remain stiff, the trunk would then also pivot 45 degrees away from the floor(to the 9 O'clock position). You want the trunk close to the floor. It happens when tightening the outer plastic bung nut, if it starts to "bite" into the plastic of the sender...it will rotate the entire unit clockwise and lift the senders "trunk" up.
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