[DML] Re: R134a retrofit
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[DML] Re: R134a retrofit



It's easy! You fill the system with nitrogen to 200 psi. It is rather
difficult to test for leaks with a vacuum. In fact all you can tell
that way is that the system is leaky, you cannot actually FIND leaks
that way.
David Teitelbaum
vin 10757


--- In dmcnews@xxxxxxxxxxxxxxx, "Chris Murley" <qumefox@...> wrote:
>
> On 5/15/06, David Teitelbaum <jtrealty@...> wrote:
> >
> > Before recharging a dead system with ANYTHING a good shop will find
> > and repair any leaks. In fact it is the law.
> 
> 
> Out of curiousity, exactly how do you test for leaks without
charging the
> system? I know making sure the system holds a vacuum is part of it,
however
> the 14.7psi pressure difference between a vacuum and atmospheric is alot
> easier to hold than the 115 psi (minimum, it will likly be alot higher)
> pressure difference that will be between the high side of the system and
> 








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