Watering Dampp-Chaser Systems in University Pianos

[Marcel Carey]

At my local universities and colleges, I train a student each session to do
the work. I have supplied them with a large water bottle with a manual pump.
I train them to remove the bottom cover and carefully watch the water level.
I also suggest that they insert a finger in the upright tank so they can
stop pumping when they feel the water on the tip of their finger.

I find the spills occur when the students move the pianos when the tank is
full though. I guess they dont understand the physics of it. They also keep
going OVER the electric wire and eventually the wire shorts itself... What
can we do ? I guess that's why I get paid, to fix things.

Marcel Carey, RPT
Sherbrooke, QC

> -----Original Message-----
> From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org]On Behalf Of
> Isaac OLEG
> Sent: 2003-mars-08 04:40
> To: College and University Technicians
> Subject: RE: Watering Dampp-Chaser Systems in University Pianos
>
>
> Dear Masters,
>
> Overfilling in a vertical can be hazardous.
>
> We can have one of these artificial voice circuits that say us to go
> slowly, then to stop filling, then it can say something like "I said
> you to stop !"
>
> Joke apart, when, many Damp Chasers have to be filled, a device as the
> one used for the gardening can be used so you fill more than one
> system at once, carrying the water on your back.
>
> I guess that an automated filling system may not be that hard to
> realize, but that the problem lies mostly in a secure solution to
> avoid overflowing in any case, with a tubing to drive the extra water
> safe.
>
> Isaac OLEG
>
> Entretien et reparation de pianos.
>
> PianoTech
> 17 rue de Choisy
> 94400 VITRY sur SEINE
> FRANCE
> tel : 033 01 47 18 06 98
> fax : 033 01 47 18 06 90
> cell: 06 60 42 58 77
>
> > -----Message d'origine-----
> > De : caut-bounces@ptg.org [mailto:caut-bounces@ptg.org]De la part de
> > Fred S. Sturm
> > Envoye : vendredi 7 mars 2003 19:37
> > A : College and University Technicians
> > Objet : Re: Watering Dampp-Chaser Systems in University Pianos
> >
> >
> >     I don't know that that eventuality is likely enough
> > that one should go to
> > so much trouble. What if someone overfills? What's the
> > worst that happens? A
> > puddle on the floor. You mop it up and are more careful
> > next time. (Okay,
> > maybe someone has a priceless Strad on the floor under the
> > piano and it gets
> > ruined. Lots of things are conceivable, but hardly likely).
> > Of course, if the
> > indicator were a light instead of an audible (which
> > presumably would give off
> > only one or a short series of beeps), the light would say
> > it was full until
> > the level fell below the probes.
> > Fred Sturm
> >
> > Ron Nossaman wrote:
> >
> > > >     On further reflection. I think this would be a very
> > good idea.
> > >
> > > Or at least very nearly a good idea. A beeper that
> > signals a full tank is
> > > fine only if it well beep again if (sorry, WHEN) someone
> > tries to fill an
> > > already full tank. With all this delegation of
> > responsibility for filling
> > > without a low water indicator light blinking, it is inevitable.
> > >
> > > How about a ball-cock arrangement that just won't accept
> > water at all
> > > through the filler hose when the tank is full. With
> > something like this, It
> > > would take either a valve failure, or extraordinarily
> > determined and
> > > ingenious screwing up to overflow a tank.
> > >
> > > Ron N
> > >
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