Bee source has drawing for a mod that seems important. An adjustment that allows you to change the roller spacing to accomodate the deep drawn 8 and 9 frame spacing comb.http://www.beesource.com/build-it-yourself/modified-pillow-block-bar-for-maxant-chain-uncapper/
What are you going to use to catch the caps ???And are you going to use a cap spinner ??? BEE HAPPY Jim 134 :)