YOu should set the baro at a hot fire at about . 04, it will be less at idle (.02.03). Yes, you might have to add a washer (weight) to the knob to get it to calibrate.
I had drilled a hole in the side of the Keystoker right into the firebox, since it's a power venter, since the back was double walled.
Thank you Dave. I did add the washers this morning when the fire was hot, and the mamo dropped to .04. I will be watching it throught the day as it idles to make sure it doesn't go below .02.
Wow, what a difference this has made. The baro is now 1/2 open. A nice bluish flame, and the stove shot up to 540 F. Now I'm convinced the draft was too strong and was burning more coal than necessary.
I would of never known about this had it not been for your informative posts that I read through. Also, the 3/16" brake line and 1/8" pipe/inverted flare fitting like you suggested worked like a charm.
Thanks again Dave!