New to site I.ve been working on Carrier Centrifugals for 35 years (teardowns to troubling shooting), From 16HA,JA JB. 17CZ,17M'17CA,DA , 19C,CB 19D,(D2yes they do exist only a few were made this one was at a chruch in downtown Dallas)DA DG DH DK DM DR,19EA,EB, EF, EX and FA , series and 19XL,XRXRV,XT. Just finished repairing a shaft and overhauling a 19C,starting repairs on a 19EB and yes I've still got a 17M that I take care of.
Pretty interesting site. I saw a poll about going pro only on the site
To bad the open forum might be able to help someone out