Farm Equipment - Gleaner M2 air conditioning problem

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Gleaner M2 air conditioning problem

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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=112460
Printed Date: 10 Sep 2025 at 11:23am
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Topic: Gleaner M2 air conditioning problem

Posted By: Sandknob
Subject: Gleaner M2 air conditioning problem
Date Posted: 24 Sep 2015 at 7:52pm

My M2's A/C is not working and I tracked it down to the pressure sensor closest to the grain bin. I have power to one side of it, but not the other wire (the one that goes to the compressor). Can I bypass the sensor to get it working? If not, can I take it off to replace without losing freon?
Thanks
Adam

Replies:

Posted By: tbran
Date Posted: 24 Sep 2015 at 9:46pm

yes it unscrews and no loss will occur - unless it has been messed with. That would be either a low or high pressure switch to shut down the compressor if the psi drops below about 5 or above 400 approx. better put a set of gauges in to check

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