07-04-2021, 02:21 PM
The fiddly bit is getting the gear to worm setting correct, because when you think it is right, when you try to lock it off by tightening the cover plate bolts that alters things slightly and tightens things up. It's a bit hit & miss, but eventually you find the happy medium. Check that the threaded end of the drop arm shaft is flat relative to the button, too.