X-post to A.H.R and A.B.C.
I bought a new air compressor and received it today from HF. It's a
Central Pneumatic 2 HP, 8 gallon, 115 psi. It replaces a CH compressor
that went belly up.
My main use for a compressor is to fill up tires and pool floats, and
maybe blowing some dust around. I do have some air tools left here by my
deceased F-I-L (hammers, chisels, paint sprayers), but rarely use them,
other than for a framing nailer used to build a very small deck, or more
correctly, a small porch deck.
I discovered that it was not an oilless compressor. They put enough oil
in it to test it, but did not fill it, nor include any oil to fill it.
The oil fill viewer on the side is empty, but there are indications that
some oil was put in there. Before I even assembled the wheels and air
cleaner to it, I opened the valve and air came out under pressure.
I looked up compressor oil on the web and found some sites that say you
could use regular 30 weight motor oil instead of compressor oil, and
other sites saying you can use 10w30 motor oil, and even other sites
that say you can use synthetic motor oil. It appears that the only oils
not recommended are salad oil and baby oil. :-)
I have some 10w30 motor oil and some 10w30 Mobil1 handy. What oils have
you used without destroying the compressor?
I would contact the manufacturer and ask them? You said it was brand new
and had a partial fill of oil so it would seem they would be the most
knowledgeable about what oil is in it and what is compatible.
I have an Emglo bought 20+ yrs ago, which is still going. Book recommended
30 weight, however, during a cold start the compressor would trip breakers.
When I say cold start, it was only 45 degrees. Which IMHO is not really
Changed the oil to 10w30, never had a problem since. I know several people
back in the day, I recommended what I did. They too never had a problem
with the compressor, or with a cold start.
I can to this day, fire my compressor up in 15-20 degree weather without
tripping a breaker.
I buy my air compressor oil at WW Grainger. I bought my compressor from
them 20 years ago and the first thing I did was to install a Solberg
filter adapter which has a housing that accepts a round pleated paper
filter element that looks a lot like a small automotive air filter. Dirt
kills air compressors faster than anything else. The oil in my
compressor stays clean for a very long time.
My father owned a auto body shop many years ago. He had a (real) 5 hp, 4
cylinder air compressor. To improve performance and to feed it clean air, we
piped the intake to outside the building. It ran for many years. We also
only used automobile oil in it and changed it every few months as it was in
use all day 7 days a week.
First, don't run it till you put oil in it...
I've had that same compressor since Dec 02, and have been happy with
it... however mine came with a quart of oil within the shipping box. As
I recall, it was just a plain white bottle with a small crude sticker
simply reading 'Oil'.
I pulled out the manual, and it says 'Only use a good quality machine
lubricating oil' (whatever that means), and to change it after every 500
hours of operation.
After having said all that, most auto part stores carry 'Air Compressor
Oil. Ask if you don't see it, it'll be in the same area as jack oil and
all that. I also remember seeing the nondescript Harbor Freight oil in
For the record, I much prefer a lubricated compressors over oilless...
they last very much longer, and are quieter by a long shot.
Personally, I'd strongly recommend 10W-30 Synthetic motor oil. Drain
as much of the oil that is in there now out first. I suspect that
someone poured the factory oil in and tested the compressor, as a new
compressor will not have any oil in it, and the tank won't have any
pressure. That worries me, as if they ran it for any time with low oil
(bet they kept the oil so that no one would realize that they'd done
that...) it may have been damaged.
But go with the 10W-30 synthetic, it will be the best choice, IMHO.
On Fri, 27 Aug 2010 23:21:30 -0400, "Ed Pawlowski"
Possible, but I got the impression that there was more than a residue
of oil, more like it was partially filled. If there was just a residue
of oil, then you are 100% correct. Actually you are correct in that
they do fill and test at the factory then drain, but I think they do a
good job of draining them--at least that's been my experience.
Sorry I wasn't more clear. The oil I observed was just enough to
indicate that they had put some oil in it at one time. Just like when
you empty a can of oil, there is still some oil clinging to the inside
of the can. It looked wet inside the oil fill tube and the oil sight gauge.
PS. I haven't gone to get oil yet.
I used regular 30W non-detergent oil that I found on the shelf at
WalMart. It's sold by the quart and is cheaper than regular motor oil.
I suppose if I wanted to spend more, I could have bought two smaller
bottles of oil over the the air compressors, but I didn't see why when
essentially it's the same thing.
On Fri, 27 Aug 2010 15:06:34 -0400, willshak wrote:
30w ND on my Campbell Hausfield 3hp, 240 volt 26 gallon twin cyl oil
lubbed horizontal. Had it for 10 years and used it with nailers, impact
tools, air chisels etc... Maybe a total of 100 hours so far. Came dry,
used Quaker State non-detergent 30 weight. Looks and runs like new.
The factory fills them with oil, tests them, maybe breaks them in a bit,
then drains the oil and ships them. It wasn't just filled enough to
test it, and if you've run it like that, you may have done damage and it
won't be covered under the warranty.
Please reread my original message. At no time did I even hint at running
it with whatever oil was left in there.
My original question was what kind of oil, other than compressor oil,
have others used with success.
Yesterday, I did pick up some 30 weight ND oil at WalMart , as some had
mentioned, filled it this morning,with the 30 ND oil, and lit it off for
the very first time.
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.