Subject: Re: RA80 PSU fan ratings
To: Boris Gjenero <bgjenero@undergrad.math.uwaterloo.ca>
From: Thordur Ivarsson <totii@est.is>
List: port-vax
Date: 02/07/1998 15:51:36
Boris Gjenero wrote:
> 
> Upon powering up my RA80, I noticed that the fan for the PSU wasn't
> spinning.  Furthere investigation revealled that one of the fan bearings
> is totally destroyed.  Over half of the balls have been transformed into
> random blobs of metal.  This fan needs to be replaced.  However, I lack
> an airflow rating.  It's an ETRI Model 129 XR, and it is 115VAC,
> 16/15W.  Will any fan with simillar electrical ratings do or do I need a
> special high airflow version or something.
> 
> BTW.  I wish more systems would have sensors to tell me when fans
> weren't spinning.  The 2 Fujitsu SMD drives I have do have sensors but
> for the rest, you basically have to hope fans don't die unexpectedly.
> 
If this is good ETRI fan you should be able to replace the bearings
whithout too much hassle. ETRI fans are known to live what ever happens
to them.

Þórður Ívarsson