I have had good luck just charging it with R134a until the low side is
seeing 40 psi.  You want to be sure your low speed fan is coming on when
you turn on your system to prevent the pressure getting too high.

Ken

On Fri, Jun 12, 2020 at 12:17 PM Richard Koller <brvkoller@gmail.com> wrote:

> Hi all,
> My A/C has not been used in many years and I was going to attempt to
> recharge it to see if it works. Is this the wise thing to do? Or should it
> just be evacuated and recharged? It worked fine last time it was used. It
> leaked down so the compressor won't start.
> Rick
>

--
Thanks,
Ken Wilford
John 3:16
www.vanagain.com