[time-nuts] Fan for old HP synthesizer
John Ackermann N8UR
jra at febo.com
Mon Apr 17 20:03:18 UTC 2006
Hi David --
I can't help you with that specific part, but I've replaced the fan on
other HP gear and usually found a standard variety fan that would fit.
Have you checked the mounting dimensions and clearance to see if
something else might work?
John
----
David Forbes said the following on 04/17/2006 03:44 PM:
> I realize it's a bit off topic, but not too far, as keeping old HP
> stuff alive is a significant fraction of time-nuts activity.
>
> Our telescope uses several old HP 8672A 2-18 GHz synthesizers. These
> beasts use a bizarre fan made by IMC that is basically the inside of a
> muffin fan mounted on four rubber vibration isolators.
>
> The sleeve bearings only last 20 years or so in the dry air-starved
> environment at 10,000 feet altitude, and we just had one grind to a
> halt last week. I cleaned it and added oil, but this is a stopgap
> measure as I don't have the ability to really soak the oilite bearing
> in oil.
>
> The fan model is SWS2107FL-51, HP part number 3160-0296. Google
> reveals nothing but the sites with lists of every part ever made.
>
> Does anyone know of a replacement fan for these machines?
>
> Or does anyone have good re-lubrication tips?
>
> Thanks in advance for your help.
>
>
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