Help! Replaced a/c system in 72. Need advice on oil.

[SS Racing]

I just replaced all the components for the a/c system in my 72 with new parts.

Can someone tell me how much oil to put in and how much where.

I've seen some posts in different sites that say some in compressor, some in condenser, some in drier/filter.
I read one that said just put in compressor.

I have an A6 compressor.
Where do you add the oil?
I didn't look at it too closely but I think I saw a bolt/fitting in the body. Looks like maybe a drain plug.
I've read that you pour the oil in one of the holes in the end where the hose connects.

 

[1yy07]

72 ac

r12 or 134a ? GET A SERVICE MANUAL oil for compressor goes in suction side. then turn compressor by hand or a tool, 10 times.:ugh or call the shop 615-255-3939. hope this helps richard