1979 Chevy K30 Factory A/C bracket locations

[Motor City GMC]

I have a 1979 K30 with factory a/c on a 400 sb (6.6L) i am in the process of converting the a/c compressor to pump air instead of refrigerant for an on board air compressor.
My question is does anyone have the same factory set up that can send me a picture of the bracket locations and how they mount? I have all of the factory brackets and the compressor already, but cannot remember how they mounted to the motor when i uninstalled the a/c system. Attached is a picture of the compressor.
Thanks