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200 Air conditioning stuff... ?s
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AaronH View Drop Down
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Joined: 12 Sep 2009
Location: WI
Points: 606 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AaronH Quote  Post ReplyReply Direct Link To This Post Topic: 200 Air conditioning stuff... ?s
    Posted: 16 Jun 2012 at 11:57am
I am looking into the cost of getting this working. Looking at compressors it lists on for a model with a superheat switch. Whats that? It has a smaller pulley.
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Hurst View Drop Down
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Joined: 11 Sep 2009
Location: Midway, Ky
Points: 1218 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Hurst Quote  Post ReplyReply Direct Link To This Post Posted: 16 Jun 2012 at 12:56pm
Superheat switch is a safety switch that will cut the current to the compressor's pulley clutch if have a loss of refrigerant by detecting low pressure side temperature.


Most replacement compressors don't come with one, so you have to pull the one from your old compressor, or you can replace it with a new one.  Here's the best price I have seen on the web with a quick search:


Check the manual for the wiring, I believe it is wired to the thermal limiting switch as well.

Hurst
1979 Allis Chalmers 7000
5800 Hours
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