Have you tried using solder braid/wick?  I find it works quite well.

Scott Pierce


At 12:58 PM 8/23/2002 +0800, you wrote:
>Ffnally I have to admit I don't really know how to use a vacuum desoldering
>gun properly, but web-searches pop out all kind of product information,
>nothing instructive.
>
>Any URL to recommend?  I would want to know what kind of care to give to the
>desoldering tip.  Do I need to tin them?  I tried but solder does not stick.
>And if I don't tin, the heat does not seem to flow to the pin well.  And how
>to desolder on pin that has a huge-heat sink, like those soldered to the big
>ground plane (please assume I cannot cut off the component) ?
>
>Thanks in advance.
>
>Cheers, Ling SM
>
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