I have an old (1950's I beleive) Wayne air compressor with a 20-25 gal
tank. I don't have a manual for it as it came in the garage when we bought
the house. It has a single cylinder and runs off 220 volt power. I see that
the oil level is down slightly so would like to top it up. Can anyone
recommend the weight of compressor oil?... While I'm at it, can anyone
recommend a website where I can get a pdf manual for such a compressor? I
have googled Wayne Compressors and have lots of sites, but no manuals...have
learnt that they were the compressor of choice for gas station owners in the
1920's though 1950's.............Thanks... Jim
What temperature is the place you will use it? Compressor oil runs from 10
through 40, but most use 20 or 30. If you are in an ambient of 60 or above,
I'd use 30 weight. Expect to pay about $25 to $30 a gallon.
In the 1950's they did not use PDF files. Good luck finding a manual.
You can buy compressor oil from W.W.Grainger or
Harbor Freight or even the big box stores. The
oil is specially formulated for air compressors
since the things tend to collect contaminants.
Compressor oils are either petroleum based or
synthetic but many people use and recommend a
30 weight non detergent motor oil which should
be easy to find anywhere.
Your best bet is "compressor oil", which you can get at some hardware stores,
auto parts stores, and certainly compressor shops. Otherwise, I belive the
general recommendation is straight weight non-detergent oil. I believe I was
told to change the oil in mine every 25-50 hours of run time.
Since you don't know how old the oil is, I'd suggest an oil change. Buy a
quart of ND-30 from Napa or equivilant. Run the compressor for a couple
minutes, and then shut down the power. Drain the oil (square head plug, at
the bottom). Drain into a pan, or tin can or whatever. Mix the old oil in
with the engine oil you take to the auto parts. Fill with new ND-30 and
you're good to go for a couple years.
If your compressor looks a lot like a small engine, it's cause it is a lot
like a small engine.
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