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'[EE] SMT rework unit losing pressure'
2007\07\08@204553 by Zik Saleeba

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I bought an Aoyue SMT rework station a few months ago and I've been
pretty happy with it to date. In the last few weeks the pressure on
the blower / smoke absorber has been dropping to the point where it's
only showing half-scale on the pressure meter now. I'm hoping that
this is just a regular maintenance thing like replacing a filter. Is
that all it likely to be or is there something seriously wrong with
it? Any hints on the usual procedure for replacing a filter if that's
the first thing to look at?

Cheers,
Zik

2007\07\08@215636 by Robert Rolf

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Zik Saleeba wrote:

> I bought an Aoyue SMT rework station a few months ago and I've been
> pretty happy with it to date. In the last few weeks the pressure on
> the blower / smoke absorber has been dropping to the point where it's
> only showing half-scale on the pressure meter now. I'm hoping that
> this is just a regular maintenance thing like replacing a filter. Is
> that all it likely to be or is there something seriously wrong with
> it? Any hints on the usual procedure for replacing a filter if that's
> the first thing to look at?

Lubrication of the blower or pump? If it's anything like CPU fans, the bearing
gets dry (of oil) and then they drag. Use a light machine oil to lube.
NOT WD-40 (which evaporates over time).

R


2007\07\09@051241 by Hector Martin

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face
Zik Saleeba wrote:
> I bought an Aoyue SMT rework station a few months ago and I've been
> pretty happy with it to date. In the last few weeks the pressure on
> the blower / smoke absorber has been dropping to the point where it's
> only showing half-scale on the pressure meter now. I'm hoping that
> this is just a regular maintenance thing like replacing a filter. Is
> that all it likely to be or is there something seriously wrong with
> it? Any hints on the usual procedure for replacing a filter if that's
> the first thing to look at?
Taking the pump apart on these units isn't hard (at least on my 768,
which is the smoke absorber-less model). It's all pretty low-tech - it's
a simple diaphragm pump. Check for any clogging, etc.

As for filters, mine has none.

--
Hector Martin (spam_OUThectorTakeThisOuTspammarcansoft.com)
Public Key: http://www.marcansoft.com/marcan.asc

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