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Sw. Ill | Little background i put a new sanden ac compressor on my allis 7000 with the high/low pressure switch update. Worked great for a while but now it seems to build pressure on the low side and shuts off the compressor. I thought at first it had simply lost freon so I put my charge hose on it and the low side was 100psi.... so i didnt mess with it and decided to look at it later. Later that evening (after eating dust an sweating without ac all day) it decides to start working. This happens every time I use the tractor now, after a few hours bouncing around in the field it starts working fine. Let it sit overnight and there will be 80-100psi in the low side. I dont know what the high side is then i didnt have a full gauge set at the time.
What could be going on?
When i charged it after the new compressor I had 5 psi low side and 150 high at full throttle. At idle i had 20 psi low side and 175 high side.
Edited by Dmpaul89 5/24/2019 11:44
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AC works when it wants to
