UNIX-pc fans

[David Herron -- Resident E-mail Hack]

In article <279 at icus.UUCP> lenny at icus.UUCP (Lenny Tropiano) writes:
>The 3B1's only have one fan (the right hand fan).  For some reason they
>aren't very reliable.  I work for an AT&T VAR and we've had 5 or
>so customer with fan problems (out of 26)  Not very good.  Even my own
>personal UNIX pc was stricken with the fan-burnout problem.  Instead of
>using AT&T service ($100 for the fan part alone) I went to my local Radio
>Shack and bought two 12VDC fans.  The are both running now in my UNIX pc
>for about 2 months (no problems...)  They are even quieter than the
>AT&T fans.   I think the two fans might give extra protection, I'm not
>sure though since most of the heat is on the right side (where the power
>supply is).

weeell..  our hardware guy talked to the local serviceman about this
and found out that 7300's (i.e. the version that has two fans and
a slow disk) have more frequent problems with floppies going out.
This is because the fan on the left hand side is drawing most of its'
air through that opening.

As for the fans themselves going bad.  He opened one up and found out
that the lubrication had dried out.  He tried lubricating it with
something and that worked for a couple of days but eventually failed.

>After seeing the top cover actually WARP because of the heat, I got a 
>little scared.  What if I wasn't home when this happened ? :-(

yeah!  that's really interesting seeing that happen ...
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