Mystery grand damper dilemma

[pianolover 88]

Still NO cigar! I guess I'll have to divulge the answer....soon. I'm 
surprised that only a hanful of listee's have tried to solve this puzzler.

Terry


>From: "Z! Reinhardt" <diskladame@provide.net>
>Reply-To: pianotech@ptg.org
>To: <pianotech@ptg.org>
>Subject: Re: Mystery grand damper dilemma
>Date: Fri, 15 Jun 2001 15:01:37 -0400
>
>Kohler & Campbells are good for producing many mysteries ...!  (Just my
>opinion)
>
>Sluggish dampers could be due to a variety of factors.
>1] sloppy wire bending
>2] seizure of the action centers
>3] movement of the guide rail so the wires in the section bind against the
>holes
>4] tight guide rail bushings
>5] combinations of all of the above
>
>That's just for the problems limited to the dampers.  Sluggish damper 
>return
>can sometimes be traced to sluggish key return which in itself can have 
>many
>causes.
>
>I've dealt with all of these problems in K&C grands.
>
>Z! Reinhardt  RPT
>Ann Arbor  MI
>diskladame@provide.net
>
>
>----- Original Message -----
>From: "pianolover 88" <pianolover88@hotmail.com>
>To: <pianotech@ptg.org>
>Sent: Friday, June 15, 2001 1:03 PM
>Subject: Mystery grand damper dilemma
>
>
>hi List,
>
>Here's a good one: While testing a new Kohler & Campbell SKG 500 Grand, I
>noticed that the dampers from the mid section up were very sluggish, and
>while they would damp the strings, it took much to long for them to come
>back down to rest on the strings, almost as if in slow motion.
>So i tested another identical Kohler grand...SAME PROBLEM! But this time it
>was mostly in the bass section. I did discover the problem, and the remedy
>was pretty simple. Any guesses as to what was the culprit?
>
>Terry Peterson
>Precision Piano Service
>Torrance, CA
>
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