Hah! yes, it's old. I wasn't using a compressor back then either. I was two and using a pacifier :)
It's in pretty good shape for its age, maybe better than I am.
Eh, because it's labeled as a Craftsman......here.....
and here....
Apparently this model was manufactured by Campbell Hausfeld and also sold under Speedaire and Craftsman brands. From the tank stamping, looks like it's 1964 vintage.
Thanks. I got a Square-D replacement unit, single port, 120/150 110V/220V with switch and unload valve on eBay for my "best offer" of $12. The port is female thread on the new one and mine is male, so I'll have to do a little plumbing - no biggie. That should rectify the issues.
I'm thinking...
Okay, I took off the pressure switch. It's a Furnas CW-2075-09 rated to come on at 120 psi and stop at 150 psi.
I had thought that there was a leak in the connection where the main compressor line enters the manifold. You can see the messy red RTV gasket material the previous owner used on...
I just picked up an old Sears Craftsman 20Gal 1.5hp 110V compressor. The motor never shuts off, and it keeps pumping air until the relief valve blows at about 155 psi and keeps going. There's a small metal tab under the small air line from the compressor head that activates the contacts in the...