I have a PC 617 "7 1/4" Heavy Duty Builder's Saw".
There is an adjustment knob on the back between the grip and the blade, at
the end of a 3" post. A picture of it is at
Yeh, I know it is a dirty knob, but I was thinking more in terms of what
does it adjust? I foolishly turned it, thinking it was something else, and
now I don't know where it was.