Re: [SergentEng] Re: Drilling Holes for Top Operating Detail

Christopher Zurek


I also did some searching after I posted the question and I found this from a manufacturer:

Chris Z.

On 1/24/2014 9:21 PM, Earl Tuson wrote:

> And exactly where the holes should be?

A quick look through a '31 CBC shows 3" forward of the back of the coupler horn on Sharon and Type D couplers, 3 1/4"
on Type E couplers. There are a few other designs with slightly different dimensions shown.

Earl Tuson

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