Kmans
Active Member
Hello. I have a Sullair 125GPQ diesel air compressor that I am working on. I was told that the compressor is supposed to be working good, but that the rubber coupler between the engine and the compressor is shot. Once I got the engine running, the compressor would not build any pressure, so I suppose I should be looking at that coupling. My question is, how can you do a test on if the coupling is working or not? Thanks for the help.