Re: [AMC-List] Need help t/s ac problem on 83 Spirit

[Tom Jennings <tomj@xxxxxxx>]

On Tue, 15 Aug 2006, John Elle wrote:

> I am not sure that there is a low pressure safety switch to jump. I have
> never seen one on an AMC A/C unit. 

I am all but certain my 73 hornet parts car had one, with a
York type compressor. Up in the hose near the receiver/dryer.
But you're right more often than me, maybe I hallucinated it.

But it's all moot if you can hear the compressor clutch >>CLICK<<
on and there's a big load on the engine... at worst, you could
unplug/plug the compressor clutch wire with the engine runnin
and A/C on and listen for it.



I only have data on AMC A/C up
> through 1980. I would imagine 1983 is the same although I do not know
> when the rotary A/C compressor was first used although I have one in my
> parts stash along with the hardware to mount it on my Spirit if I ever
> need it. I think I can locate an A/C wiring diagram as a J-Peg if needed
> that can be e-mailed to someone if they think they need it. 
> (no promises but I will look if asked)
> John  
>  
> On Mon, 14 Aug 2006, Marty Bricker wrote:
>  
> > compressor cycling on.  Checked the system pressures
> > and low side was high and high side was low , but
> > there was pressure.
> > TSM did not have a t/s procedure for the compressor.
> > Looking for suggestions on how to figure out why the
> > compressor will not turn on.
>  
> Assuming there is nothing else wrong, you might need to jumper
> the low-pressure safety switch to get the compressor to pump
> the freon into the system. Once you get it close to right you
> can remove the jumper. I assume you have the right oil charge
> and all that.
>  
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