Questions about A/C vacuuming

[timofej.crift at att.net]

-------------- Original message from "Chris Perry" : -------------- 
> The question is how 
> long do I need to keep the vacuum on and once it is at 30 inches can I 
> close it up and turn the compressor off or do I have to keep the 
> compressor pulling the whole time? 

Most service manuals say 30 minutes.

Where did you get the fitting.  I has the same problem with mine, but wound up using a R-12 to R134a adapter.

Tim