What type of compressor oil?
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  1. #1
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    Default What type of compressor oil?

    Blew a hose last night! Compressor was still running and with the blown hose was still keeping up to 80 PSi.
    Anyway probably a good time for an oil change! Old 10hp electric with a V-twin compressor. What kind of oil should be in this? I'm Thinking nondetergent straight 40 weight? What say you?

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    I normally run non detergent 30 weight, depending on temps there 40wt might be more appropriate.

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    I put a 7 day timer on the control on mine so I don't have to remember to turn it off nights or weekends. At least I'll probably be around if that happens...

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    That's a good idea, usually shut off the breaker, but forgot on this day.

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    Quote Originally Posted by no704 View Post
    That's a good idea, usually shut off the breaker, but forgot on this day.
    Wire to starter to the light switch.

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    You know what I use? You're never going to guess.

    I go to Napa and I buy this stuff called, "Compressor Oil"

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    Quote Originally Posted by Larry Dickman View Post
    You know what I use? You're never going to guess.

    I go to Napa and I buy this stuff called, "Compressor Oil"
    And... Its most likely straight 30 weight with a different label and a higher price.

    I just use straight 30.. It comes in handy for so many things.

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    Quote Originally Posted by Bobw View Post
    I just use straight 30.. It comes in handy for so many things.
    I'm not going to ask. LOL

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    Best to use an oil with rust and oxidation inhibitors (R&O) added. Remember ISO viscosity grades are not the same as SAE engine oil viscosity grades. Many turbine oils have R&O additives. 30wt engine oil might be ok in a Harbor Freight compressor, but not the best choice in an industrial grade machine you care about.

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    Quote Originally Posted by Bobw View Post
    And... Its most likely straight 30 weight with a different label and a higher price.

    I just use straight 30.. It comes in handy for so many things.
    Please restrict your advice to subjects you know about. It is obvious oil is not one of them. I know you live in the woods, but if you try really hard and use Google, you might learn something.

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    Google the manufacturer and RTFM...

    manufacturer will specify exact oil for that unit.

    Easy...

    Sent from my SAMSUNG-SM-G930A using Tapatalk

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    It seems to have disappeared so I will repeat my advice. I have added a pipe nipple and cap to several compressors and gear boxes. This extended the drain port far enough out it becomes easy to get a catch bucket under it and not slobber all over the base and tank.
    On my Harrison lathe the headstock drain port made a huge mess onto the vee belt. I replaced the drain plug with a ball valve and nipple with an elbow. I only insert the nipple when it is time to drain it since it sticks out so far.
    Bill D

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  17. #13
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    Went to Ace hardware and found "Compressor Oil" no weight specified on the bottle. Already has the extended drain nipple with 90. Unknown manufacture, has a Bauldor 10Hp motor on it..

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    Quote Originally Posted by no704 View Post
    Went to Ace hardware and found "Compressor Oil" no weight specified on the bottle. Already has the extended drain nipple with 90. Unknown manufacture, has a Bauldor 10Hp motor on it..
    Garbage in ... Garbage out.
    You never revealed the maker of the compressor, so how doo you
    expect a definitive answer ?...

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    Quote Originally Posted by steve-l View Post
    Please restrict your advice to subjects you know about. It is obvious oil is not one of them. I know you live in the woods, but if you try really hard and use Google, you might learn something.
    The Quincy compressor that I bought used in 1989 has been running with plain jane 30wt non-detergent MOTOR oil since the day I got it, and its still running just fine. Google did not exist then, and NAPA did not carry anything called compressor oil, its really amazing how many of those old compressors from the 60's are still chugging away today with such oil abuse.

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    Yup! and there are those that use 30wt engine oil for way lube. Just remembered- its time to change the oil in the compressor!

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    Quote Originally Posted by Dan from Oakland View Post
    Yup! and there are those that use 30wt engine oil for way lube.
    I guess any oil is better than no oil

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    Cool

    How about TrimSol for lube?

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    Quote Originally Posted by Dan from Oakland View Post
    How about TrimSol for lube?
    mixed 50/50 with Analeze

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    Quote Originally Posted by Larry Dickman View Post
    I'm not going to ask. LOL
    That's what 90WT is for, ya sick freak.

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