Quote:
Originally Posted by Thumper
Mega, I don't quite understand what you are saying. If the screw is all the way in, the slide is held at highest point the pin can hold, right? How can unscrewing it do anything except drop the slide? The pin is fixed length (one solid piece of brass). Thing is that it doesn't seem to change the slide height.
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The slide is raised and lowered by the pin. There are two types. one where the pin has an offset to it and is smaller in diameter than the threads. This means its acts like a cam on the slide, manually raising and lowering it. The other type, which is what appears to be your style, is just a rounded end that "ramps" the slide up and down. Move it in and it lifts the slide with the radius of the rounded end, move it out and it lowers it. With it being screwed all the way in, it's just riding the slide as high as it can go all the time.
In either instance, backing it out still resolves the issue. For the first type I mentioned, since the screw was bottomed out and not allowing for any adjustment, it would move the offset pin back in place, but with a full rotation or two to work with, thus giving it full up and down movement. In the latter, as you discovered with yours, it puts it on the end of the pins rounded edge, putting you back into the area where it actually can affect the slide position and change the idle speed.