Originally Posted by Brian Carlton

This little fallacy ought to be put to bed for the last time.

The top set screw is aluminum.

Drain the oil from the bottom set screw.

Heat the aluminum housing around the top set screw lightly with a torch...........after the oil is drained.

The screw will unthread without any effort.

Draining the unit prior to removing the top set screw is preferable because the oil won't act as a heat sink.

Every single person repeats the same fallacy..................