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The compressor works great once I fixed the valve spring, I am just curious about oil supply now.

RE: Air compressor help I thought of that too, but according to the above linked diagram, it has its own oil pump. That leads me to believe it is a self contained oil system.

RE: Air compressor help Now that it works and I looked at it close enough to realize it has no engine supplied oiling. How the heck do I check, add, drain oil on this compressor? I don't won't to burn it up. Sorry for being such a "tech leach." Thanks.

RE: Air compressor help Accoridng to the above linked diagram, the big nuts cover the discharge valves. I pulled them off tonght. The forward one had a broken spring. I shimed the rest of the spring with some washers and tried to put it together. I don't think those caps are supposed to be...

Hey, thanks! I will go on a gunk hunt tonight.

I took some pictures and tried the oil in the intake trick last night. The oil didn't make any difference, but here are the pictures so you guys know what I am talking about. I also couldn't find the oil feed line. Were these compressors internally oiled only?

Thanks, I will try the air tool oil idea and see what happens.

2 cylinder Westinghouse water cooled air compressor. It has a water in, water out and air out all in what looks like 1/2" copper line. a 3/8" oil in line and another 3/8" air line that goes to the firewall mounted regulator. The intake port has a filter housing and a hose that goes to the...

I opened the tank drains just to see if air was getting to them. With one of them open and the rest of the system closed for 10 minutes of running, I had to feel with my hand for any air coming out because the pressure was so low that I couldn't hear it with the engine running. I'm just not...

I got my Gasser running this morning. It runs a lot better than I imagined. That OA331 has a lot of power. I am not getting any air pressure built up though. I removed the intake line and filter thinking it wasn't gettng any air. I can put my finger over the intake on the compressor and it...