[CAUT] unmusical caster noise

[Willem Blees]

Check to make sure all the bolts for the caster are tight. Also check the brace bolts. Perhaps for some strange reason, (humidity change, maybe??)
they loosed up. 


Willem (Wim) Blees, RPT
Piano Tuner/Technician
Honolulu, HI
Author of 
The Business of Piano Tuning
available from Potter Press
www.pianotuning.com


-----Original Message-----
From: Jim Busby <jim_busby at byu.edu>
To: College and University Technicians <caut at ptg.org>
Sent: Tue, 4 Dec 2007 5:50 pm
Subject: [CAUT] unmusical caster noise




All,

 

The rear concert caster on one of our Ds “knocks” and I can’t seem to find the “fix”. If we orient it 90 degrees to the player it doesn’t knock, but if the stage crew forgets and it is in line with the player it will knock with vigorous playing. (Fairly loudly, like someone tapping their foot.) The leg seems to be tight. It is the actual wheel. It is the big expensive brass kind, but unfortunately not Jurgen’s. Any simple fix?

 

The front castors lock (and have no problem) but the rear doesn’t. I can’t see how/where/why it is knocking, but it surely does.

 

Thanks.

Jim Busby BYU



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