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I have pressure now. I just think it was too cold and oil was too thick.

I forgot to ask what should the oil pressure be set to?

I finally got it running today. First issue i had was i wasnt getting oil pressure. Not sure exactly what caused it. I had gotten the compressor and tank at the local scrap yard. When i found it, it was upside down. After brought it home and checked oil lever-ok. Changed the oil anyway to...

Then right now theres no pilot valve in the system. Im guessing it will now only unload when it starts up and shuts off. Hopefully i will have it up and running tomorrow. I changed the oil which looked brand new. Im starting to wonder if the mystery part is a 3 way check which the previous...

It flows, receiver to single check, to that part, to the top of the unloader assembly. Basically it bypasses the hydro unloader.

Heres what it looks like. Its the same color blue as the tank so im assuming orginal. Date on the tank is 1975.

I found this on another page of this site. Sounds like its doable. Problem is finding one thats cheap. " Oil filter Quincy 325 compressors can be found with or without an oil filter housing. While all other parts of the compressor appear to be the same, the main difference is the front...

Also ive noticed its the model with a unloader on each head. How do i tell if its a ls style on lvd?

I had thought of that as well. Didnt know if maybe they made a 20/30 oil.

So i just picked up a quincy. My questions are for the oil. First what should i run in it? I know they recommend sae 30 and i believe non detergent. This compressor is gonna be stored outside. The 30 is only good to 32 and recommend to go to 20 wt below. What is others using in this...