[Shop-talk] oil

[Doug Braun]

I once read some compressor manual that said to avoid multi-viscosity or
detergent oils (one or the other, but I forget which) because they would
cause carbon deposits to build up on the reed valves.  That sounded a bit
odd to me, since there is no combustion happening...

Doug

On Sat, Apr 28, 2012 at 9:46 PM, Randall <TR3driver at ca.rr.com> wrote:

> > The manual for my full-size compressor says to use "SAE-30
> > API CG/CD Heavy
> > Duty" oil.
> > The manual for a little compressor I have says the same, but also
> > "non-detergent".
>
> That's curious.  I was under the impression that API standards CD and CG
> required detergents.
>
> Anyway, my full-size compressor says to use "CE or better" but then warns
> that "multi-viscosity oils will shorten compressor life".
>
> A little poking around on IR's web site reveals that they are so proud of
> their synthetic compressor oil that they double the warranty on the
> compressor if you use it.
>
> http://tinyurl.com/7b6lfjn
>
> -- Randall
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