AC Unit Shroud Removal Steps & Drain Hole Cleaning

I assume your talking about removal of the metal shroud covering the evaporator - that's simple a matter of removing/saving a bunch of screws - no big deal. Might as well clean the evaporator while your up there - should help performance of AC and you might be surprised how nasty/dirty it is. Here's a link to diagram of AC.

http://bryantrv.com/roofac2.html