by Phil MIller
(Yuba City, California, US)

Help with identifying parts of a DeVilbiss Compressor (model # 230) (yes very old!)

I am restoring a 1952 DeVilbiss compressor that sits on a 60 gal horizontal tank.

Devilbiss Air Compressors
Devilbiss Air Compressors

Hi Bill,

I could not find my answers in your book, so I’m coming to the source.

I am restoring a 1952 DeVilbiss compressor that sits on a 60 gal horizontal tank.

On the head of the compressor there are four round caps, two large and two small. The two smaller caps have a tube connecting them to each other, then running off into space. My question is, what is their purpose and where should I attach the tube?

Also what lubrication/oil should I use for this compressor?

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Hi Phil.

1) Thanks for buying my eBook
2) Reference the tubes, since I can’t see them clearly in the photo I have, and since I know squat about this compressor (except generally), my thoughts are these might be the intake valves.
3) Regarding the DeVilbiss compressor oil, see my pages on compressor oil on this site for as much general info I can provide, not having the original spec as to what oil they recommended

I certainly invite others to chime in on this issue.

Thanks,

Bill

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Update: The original photo became mis-linked and has been lost. Would you please be good enough to add a comment with some more photos?