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Posted by Mechanical Magic on March 6, 2008, 11:47 pm
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Steve,
No alcohol, unless you are opening up everything and cleaning/
repairing on the bench.
Drain and replace the oil.
If you are on the US side of the pond, I can send you some vacuum pump
oil for the refill.
I have several lifetimes supply,
DJ
> I have a chance to get an old, but serviceable medical vacuum pump, at a
> very reasonable price. When I switched it, gave off a very offensive odour.
> What is the best way to decontaminate the thing? I am thinking in terms of
> lots of alcohol, but am open to suggestions.
>
> Thanks in advance.
>
> Steve R.
>
> --
> Reply address munged to bugger up spammers
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Posted by DoN. Nichols on March 8, 2008, 10:55 pm
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> Steve,
> No alcohol, unless you are opening up everything and cleaning/
> repairing on the bench.
> Drain and replace the oil.
Based on the intended use, it may not *have* any oil. It may be
a diaphragm type pump, or a rotary vane pump. The intended use does
*not* need the high vacuum which an oil filled pump can produce.
Perhaps a photo posted to the dropbox
<http://www.metalworking.com> would make it easier to tell what kind of
pump it is. (Once you have acknowledgement that the photo is up on the
dropbox, then post the URL to it here.
Enjoy,
DoN.
--
(too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html
--- Black Holes are where God is dividing by zero ---
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Posted by Steve R. on March 9, 2008, 7:46 am
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>> Steve,
>> No alcohol, unless you are opening up everything and cleaning/
>> repairing on the bench.
>> Drain and replace the oil.
>
> Based on the intended use, it may not *have* any oil. It may be
> a diaphragm type pump, or a rotary vane pump. The intended use does
> *not* need the high vacuum which an oil filled pump can produce.
>
> Perhaps a photo posted to the dropbox
> <http://www.metalworking.com> would make it easier to tell what kind of
> pump it is. (Once you have acknowledgement that the photo is up on the
> dropbox, then post the URL to it here.
>
> Enjoy,
> DoN.
>
> --
> (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html
> --- Black Holes are where God is dividing by zero ---
It may be a few days before I can photograph it. Rain is pending, and I do
not want to bring it into the house until it's sterile.
Steve R.
--
Reply address munged to bugger up spammers
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Posted by Dave Hinz on March 9, 2008, 10:32 am
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>>
>> Based on the intended use, it may not *have* any oil. It may be
>> a diaphragm type pump, or a rotary vane pump. The intended use does
>> *not* need the high vacuum which an oil filled pump can produce.
> It may be a few days before I can photograph it. Rain is pending, and I do
> not want to bring it into the house until it's sterile.
There is a third type of suction pump used in biomedical applications,
uses a heating element inside an air canister, with check valves on the
input and output. Heating element cycles on, air expands & gets pushed
out one side. Heater turns off, it sucks air in through the other
checkvalve. If nurses hook it up wrong or if the jar to catch the blech
gets full, all that crud gets sucked into the canister & cooks on the
heating element. Probably the worst job I ever had to do as a biomed
tech was to fix that.
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Posted by Tim Wescott on March 7, 2008, 12:00 am
Please log in for more thread options On Fri, 07 Mar 2008 04:19:41 +0000, Steve R. wrote:
> I have a chance to get an old, but serviceable medical vacuum pump, at a
> very reasonable price. When I switched it, gave off a very offensive
> odour. What is the best way to decontaminate the thing? I am thinking in
> terms of lots of alcohol, but am open to suggestions.
>
>
> Thanks in advance.
>
> Steve R.
Steve:
That will only work for a while, and once you sober up the hangover will
be horrendous. If you find yourself persistently seeking solutions in
the bottle I suggest a good 12-step program.
--
Tim Wescott
Control systems and communications consulting
http://www.wescottdesign.com
Need to learn how to apply control theory in your embedded system?
"Applied Control Theory for Embedded Systems" by Tim Wescott
Elsevier/Newnes, http://www.wescottdesign.com/actfes/actfes.html
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> very reasonable price. When I switched it, gave off a very offensive odour.
> What is the best way to decontaminate the thing? I am thinking in terms of
> lots of alcohol, but am open to suggestions.
>
> Thanks in advance.
>
> Steve R.
>
> --
> Reply address munged to bugger up spammers