Stupid Question - how do you remove a fan from a heatsink?!

I've just purchased a new heatsink, but I need to utilise the fan off the
old. The thing, is I can't see how to unscrew it, as I don't appear to have
the tool(s) necessary. I didn't assemble the original unit and, the bloke
who did only screwed through the bottom set of holes and I can't get a
screwdriver in to unscrew!

If you imagine a fan (this is a PABST, though most fans are of the same
construction), you have an upper square bit with screw-holes and a lower
bit, well he's used little copper crosshead screws through the lower set of
holes. What tool do I need to remove the screws?! I don't have a screwdriver
slim enough to fit through the gap - any ideas?!

Thanks!


--
Perdita X. Dream

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On Sat, 25 Oct 2003 11:23:51 +0100, "Perdita X. Dream"
wrote:

I've just purchased a new heatsink, but I need to utilise the fan off the
old. The thing, is I can't see how to unscrew it, as I don't appear to have
the tool(s) necessary. I didn't assemble the original unit and, the bloke
who did only screwed through the bottom set of holes and I can't get a
screwdriver in to unscrew!

If you imagine a fan (this is a PABST, though most fans are of the same
construction), you have an upper square bit with screw-holes and a lower
bit, well he's used little copper crosshead screws through the lower set of
holes. What tool do I need to remove the screws?! I don't have a screwdriver
slim enough to fit through the gap - any ideas?!

Thanks!

The most common sets here are called jeweler's screwdrivers, though
they're not really, larger and cheaply made but a set of 6-12 in a
jeweled case is about $3-8 USD.

The other option would be to just drill-out the top holes large
enough, or take the slimmest phillips driver you have and just apply
some pressure while twisting, boring-out the small hole in the fan
housing till the blade can slip down through... YMMV on how
successful that approach is with the specific driver and fan.


Dave