PDP11/44 update, dead wierd fan (35VAC, 75Hz)

From: Merle K. Peirce <at258_at_osfn.org>
Date: Fri Dec 20 11:41:01 2002

Rather like servicing wheel bearings, isn't it?

On Thu, 19 Dec 2002, Tothwolf wrote:

> On Thu, 19 Dec 2002, Tony Duell wrote:
>
> > > on the _proper_ way to solve this problem. From memory: all that you
> > > need to do is disassemble this fan, and the other fans, soak the
> > > bearings in mineral spirits to clean them, relubricate the
> > > bearings/bearing race with white lithium grease and reassemble the
> > > fans. Do this with all of the fans, working or not.
> > >
> > > Tony, if you're reading this, is my memory about what to use for that
> > > procedure correct? ...somewhere I've still got my notes/e-mail from
> >
> > Yes, it should be fine. I used what's called 'white spirit' in the UK to
> > clean the bearings (this is a paint thinner/brush cleaner type stuff, I
> > have no idea what it's called elsewhere). I lubricated them with high
> > melting point grease (Castrol LM), but any bearing grease would be fine.
>
> It's often called mineral spirits here in the states. It can be purchased
> cheaply in large cans at any hardware/home center type store.
>
> One nice property when using it as a solvent cleaner, is that the "dirty"
> thinner can be put in a glass or metal container, and the grease/dirt, etc
> will settle to the bottom.
>
> -Toth
>

M. K. Peirce

Rhode Island Computer Museum, Inc.
Shady Lea, Rhode Island

"Casta est quam nemo rogavit."
              
              - Ovid
Received on Fri Dec 20 2002 - 11:41:01 GMT