Another 'B' problem

[Isaac Sadigursky]

Hi,Avery!
To prevent pedal pivoting pin from "walking-out",attach little plastic wire
holder.Yamaha  does that on their grand traps and I submitted that tip and
it was published in the last,March 2005 Journal.It woyks!
Regarding previous problems with sqeaking una-corda on Steinway B and a
possibility of it coming out of shifting spring.. 2 things I would do:
check-re-tighten all four screws holding that shifting spring,even
installing key balance rail punchings on all four of them wouldn't   be a
bad idea.Second: all those shifting springs after leaving factories and
rebuilding-refinishing shops need to be taken out and buffed in the shop on
3M LIGHT DEBURRING WHEEL,available from industrial suppliers and some
abrasive and woodworking supply catalogs.The price of about $50 US worth
every penny..Also, all trap springs and pins need that treatment.It's
magical,after that buffing all those parts don't need any additional
lubrication.As far as we all know,Grease-Lubrication in trap system invites
more dust and causes even more sqeaks,right? 
Area #3 to check:re-tighten all KEYBED SCREWS to the RIM underneath of the
piano to
make sure those sqeaks are not coming from that area.Had done it!!Now it's
a routine on a first call..
Good Luck! See you in Kansas City! Isaac
.

> [Original Message]
> From: Avery Todd <avery1@houston.rr.com>
> To: pianotech <pianotech@ptg.org>
> Date: 3/13/05 10:22:03 AM
> Subject: Another 'B' problem
>
> List,
>
> While we're talking about B's, any ideas on how to stop the hinge pin
that 
> connects the soft pedal connections under the keybed from working out? 
> Sorry, my Merle Mason book is at the school and I'm not and I can't think 
> what to call everything. The pin that connects the wood piece that goes 
> between the two blocks that are screwed to the keybed and moves the
action 
> when the shift pedal is depressed.
>
> I know I could put some kind of "dam" there to prevent the pin from
working 
> out but is there a more "authentic" way, short of plugging the hole and 
> drilling a new one?
>
> Thanks,
>
> Avery Todd
>
> P.S. Man, you'd think that after 30 yrs............ 
>
>
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