DIY'er needs method to evacuate 134a from ac system

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BoBo - 17 May 2007 01:19 GMT

All,

Is there a way to build/connect the following items to an AC system
and have it evacuate all of the refrigerant.

1. Manifold gauge set
2. 2cfm 2-stage vacuum pump 110v
3. emty propane tank.

My understangin is that the commercial units costing $4,000
essentially are built fromthe same components.
I have no plans to reuse the old 134a. All I want to do is
depressurize the system so that I can replace a bad compressor.

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Sharon Cooke - 17 May 2007 03:56 GMT

> All,
>
[quoted text clipped - 9 lines]
> I have no plans to reuse the old 134a. All I want to do is
> depressurize the system so that I can replace a bad compressor.

If the compressor's shot, there probably isn't that much refrigerant
left in the system to worry about.

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Tim J. - 17 May 2007 04:58 GMT

>All,
>
[quoted text clipped - 9 lines]
>I have no plans to reuse the old 134a. All I want to do is
>depressurize the system so that I can replace a bad compressor.

Sounds like it would be cheaper (and easier) to purchase a compressor,
and take it to a certified shop to have it replaced and your system
vacuumed and recharged. I had a Ford done recently for $120.

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