Removal of old shower drain in concrete

[Fallline20h]

I am trying to remove an old shower drain flange from a concrete shower subfloor from the top. cant figure out how to get it out of there in order to put the new durock shower drain system in. any help appreciated! thanks.

 

[Cacher_Chick]

You already posted this in the plumbing thread. It won't do much good to post it again here.

Happy Thanksgiving.