It's been a few years since I've owned a HAC canistered sled (Since my 1995 Summit 670), but I was deleting links on my computer and thought someone may be able to benefit from the info.
The HAC needle position is adjustable.
http://www.greenskyadventures.com/bing/hacinstall.htm
The HAC needle position is adjustable.
http://www.greenskyadventures.com/bing/hacinstall.htm