On Mon, Apr 9, 2018 at 04:31 am, Gintautas Drazdauskas wrote:
Have to fight with excessive backlash.
Has the main wheel and the worm been machined in sequence or not?
Ideally, the two elements have been manufactured with one another forming a selected pair.
It can be a simple matter of adjusting the wheelbase, trying to eliminate the gap as much as possible.