These pumps do not have reed valves in them, they are spring loaded disc valves, just remove the manifolds from the top of the cylinders, and pop the valve cartridge out, disassemble/clean/replace. They recommend using new valve gaskets when you reassemble the manifolds (big copper and...
Gonna have to get used to posting on this board....
Anyway, the check valve in the tank was bad and bleeding pressure back through the unloader valve, so the P.O. installed a pop-off valve to plug the leak....
Also found the compressor had been rolled at some point in it's life, as the...
I'm Nick's brother,
The R-15 I bought was a real piece of work, good thing I got it for little more than a song.
Don't have a picture handy of the cracked rod, but I've got a good one of the the previous owner's unloader arrangement: