MOTM

I typically use a solder sucker with the PCB in a holder so I can access 
both sides of the board. I can use the iron on one side and the sucker 
on the other.

You want to cant the sucker just a bit to avoid too much suction that 
*may* suck the pad off the board. You also need to move the iron a bit 
just before you push the sucker button. This allows air to blow through 
the hole.

I precede all the above by cutting the part lead and removing what's 
left on the board with a soldering iron and an odd flush cutter that has 
a set of sharp edges. They look sort of like needle nose but the sharp 
edges minimize heat transfer and are good at grabbing short bits of 
component lead.

Richard Brewster wrote:

> I wanted to replace several resistors on a PC board recently and needed
> more than just solder wick.  My old heated desoldering iron gave up the
> ghost.  I ran out to Radio Shack and found this solder sucker tool that
> I hadn't noticed before.
>
> http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTLG%5F011%5F009%5F007%5F004&product%5Fid=64%2D2098 
> <http://www.radioshack.com/product.asp?catalog%5Fname=CTLG&category%5Fname=CTLG%5F011%5F009%5F007%5F004&product%5Fid=64%2D2098>
>
> You have to be fast, heating the joint then quickly placing the sucker
> over it and pressing the release.  It comes in handy for cleaning out
> the holes after you have removed the old leads.  With this tool, plus
> some solder wick, you are equipped.
>
> -Richard Brewster ("man of cheap tools")
>
>
>
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-- 
Regards,
John Blacet

Blacet Research
http://www.blacet.com