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Posted by PeterD on February 8, 2009, 8:57 am
wrote:
>some finish nailers are silicon anyway.
>I would only use pneumatic oil in an oiled gun.
Absolutely!
>I believe it is a oil like brake fluid that does not rot the rubber seals.
DOT 3/4 brake fluid is water based glycol solution. Interesting stuff,
but doesn't combine with oil at all, and will absorbe moisture so fast
your head will spin! DOT 5 silicon brake fluid is 'oil' based,
however. None are terribly good lubricants compared to oils.
Now to the crux of the matter. What rots rubber is not 'oil' as such,
it is the detergent that is added to virtually all oils today. Any
non-detergent mineral oil (such as hydraulic oil, for example) works
well, but since air-tool oil is so easily found, that is the best
thing to use.
Of course, if you have a lot of heavy equipment, you probably have
5-gallon buckets of hydraulic oil (or worse, 55 gallon drums!) which
could be used if you wanted to.
One other point is that the oil should come from a good maker, so that
it does not have a lot of volatile components. Worse thing is when the
volatile oils vaporize off, leaving a non-lubricating sludge or grease
which gums up the works. This is especially true with air-tools with
motors in them (such as any with circular motion).
>I think you have that answer already.
>jloomis
>> Marvel mystery oil should be just fine.
>> --
>> ______________________________
>> Keep the whole world singing . . . .
>> DanG (remove the sevens)
>> dgriff237@7cox.net
>>> Question for the tool gurus out there. I went to use my finish nailer
>>> today and discovered that my bottle of lubricating oil had spilled over.
>>> I went to the only hardware store that was open this afternoon to try to
>>> find some but nada. So I picked up a bottle of Marvel Lubricating oil
>>>
(http://automotive.hardwarestore.com/90-547-specialty-lubricants-/marvel-lubricating-oil-143867.aspx).
>>> The clerk said it would work fine......I used it today, but I'm wondering
>>> if it would be safe to continue using or should I replace it with labeled
>>> air tool lubricant?
>>
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> nailer today and discovered that my bottle of lubricating oil
> had spilled over. I went to the only hardware store that was
> open this afternoon to try to find some but nada. So I picked up
> a bottle of Marvel Lubricating oil
>