Hey guys, maybe someone has had this happen and can point me in the right direction. Got my compressor back in September and I have only used it 4 times to top off my tanks. I put compressor oil # 46 as instructed the day I got it. Ran it for about 20 minutes with really cold water flowing from my pool (endless supply). Before running the second time I changed the oil just to be safe. Has worked flawless until today. It started leaking out of the oil breather tube and not building any pressure. If I cover the breathing tube it does start to build pressure. Just looked at the oil and it’s really dark too. Not even half hour on that oil. I have looked at the flap valve and it did have some carbon but not much. Also looked at the other check valve with the spring and it is also good. I have time to take things apar and not afraid to do so. I usually shoot about 300 pellets a day and pumping is getting old for me. Any inputs of where to look at? Thanks in advance