[CAUT] ***SPAM*** Re: Removing jack stop rail

maxpiano maxpiano at sc.rr.com
Fri Nov 7 02:43:32 PST 2008


Likewise, thanks Mark for the immediate feedback!

Bill Maxim
  ----- Original Message ----- 
  From: Mark Cramer 
  To: caut at ptg.org 
  Sent: Thursday, November 06, 2008 8:49 PM
  Subject: Re: [CAUT] Removing jack stop rail


  Hi Bill, at one time we did a lot of brass-rail conversions on vertical actions.  I've pasted the following from my tear-down notes. Hope it helps.

   

  Best regards,

  Mark Cramer 

  Brandon University

   

   

    a.. Remove the jack-stop rails: 
   

    a.. Measure and record the average spacing (inside measurement from wood to wood) between jack-stop and main action rail: _______________________mm. 
   

    a.. Label rails bass, tenor and treble. 
   

  Note:    Loosen the positioning screws (use regulating tool) each a bit at a time to prevent bending or breaking rails, loosen screws only to the point of detaching the rail, do not remove screws from the rail. 

   

   


------------------------------------------------------------------------------

  From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of maxpiano
  Sent: November 6, 2008 7:29 PM
  To: caut at ptg.org
  Subject: [CAUT] Removing jack stop rail

   

  I've been servicing pianos over a period of 50+ years but have never had to remove a jack stop rail until now.  Are the long, thin mounting screws threaded one direction the whole length?  Or are they as I seem to recall, like a turnbuckle, left thread on one end, right on the other?

   

  One of the institutions I service has a Knight studio (1963 vintage) that, instead of felt on the jack stop rail had something akin to sponge rubber, that has disintegrated making a mess and causing clicks as the jacks hit the rail.  I assume I can get the rail out but want to be sure I can get it back in properly regulated after cleaning and gluing felt on.

   

  Any suggestions will be appreciated.

   

  Bill Maxim, RPT

   

   
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