At one time someone posted a link that described the connection and use of a
manifold gauge. Could anyone point me to that?
Thanks,

Jim

On Tue, May 6, 2008 at 2:02 PM, Mike Collum <collum@verizon.net> wrote:

> Well, FWIW, I converted my '85 Westy to R134-A in Sept. of '02.
>
> What I did was, I replaced the receiver/dryer, removed the compressor
> and drained the old oil out and flushed it, flushed the system, replaced
> only the O-rings that were disturbed, put Ester oil in the compressor
> and put it back on, drew a vacuum in the system and let it sit for about
> 3 hours then added oil and refrigerant.  I didn't replace the expansion
> valve.
>
> I've had to add a little refrigerant each spring but the charge
> certainly doesn't leak right out.  My guess is that the old mineral oil
> coated the old style hoses over the years which made them less prone to
> leakage with the R134-A.
>
> Mike
>