[Shop-talk] Compressor Oil

[Moose]

Jack, yes my issue could have been with some sort of condensation.  My 
compressor is in an unheated concrete garage next to my heated shop, so 
there is moisture in there.  Not sure what I could do to combat the 
sludge, except to change the oil more often (which is what I'm going to 
do.)

Moose



From:   Jack Brooks <JIBrooks at live.com>
To:     "Shop-talk at autox.team.net" <Shop-talk at autox.team.net>
Date:   01/06/2024 15:24
Subject:        Re: [Shop-talk] Compressor Oil
Sent by:        "Shop-talk" <shop-talk-bounces at autox.team.net>



Moose,
 
Uh-Oh, I’ve been using Mobil 1 full synthetic automotive oil in my 
typically lightly used 5HP compressor for about 20 years, changing it very 
irregularly.  I did run the compressor with the tank valve wide open for a 
few hours with mineral oil for break-in first, before draining and 
switching to the synthetic (a typical automotive practice).  I’m more 
concerned about the tank rusting through than I am the compressor’s life. 
 
Sludge buildup is a surprise to me.  Is it possible your sludge issue is 
not related to the type of oil, but perhaps a condensation issue?
 
Jack
 
From: Shop-talk <shop-talk-bounces at autox.team.net> On Behalf Of Moose
Sent: Friday, January 5, 2024 6:52 AM
To: Shop-talk at autox.team.net
Subject: [Shop-talk] Compressor Oil
 
I have a nice Eaton compressor (7.5HP) that has been flawless since I got 
it (not, the first one I got had a bad weld, but they replaced it, free, 
right away.) 

Anyway.  I maybe let the oil go a little too long between changes, but 
when I went to change it this time, the oil was filled with sludge. 

I use the Eaton oil, and the compressor is not overworked ever.  It was a 
pain to clean it out. 
In the manual, it says I can't use automotive oil (and I can understand 
that.) but it just has a Eaton part # for their oil.  No alternatives or 
specs 

The problem is that ordering the oil from them is a pain (you have to fill 
out a form. Then wait for them to send an invoice a few days later, then 
pay the invoice and wait for them to ship it.) 

Don't get me wrong, I think they are a great company, but I wanted to find 
out if  can get the same (or better) oil from a place that is a little 
easier to deal with.  Ideally, I would love to find the correct oil on 
Amazon and set up a 'reoccurring delivery' for every 6 months so it 
reminds me to change the oil. 

OR, is their an oil that doesn't turn to sludge and is easy to change? 

Again, overall, I am not looking for a cheaper oil, just one that is 
easier to get and or better. 

Thanks! 

Moose_______________________________________________

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