[CAUT] pin-block plugging?

[David Ilvedson]

I've done a bass section once.   Not a lot of dried out pinblocks around here...

David Ilvedson, RPT
Pacifica, CA  94044

----- Original message ----------------------------------------
From: "Hans E Sander" <hesand01 at louisville.edu>
To: caut at ptg.org
Received: 5/5/2009 8:25:33 AM
Subject: Re: [CAUT] pin-block plugging?


>Hi Mark,
>I use a good dose of CA red around the tuning pins to soak into the pinblock, 
>without accelerator of course. After an hour or a little bit more, the loose tuning 
>should be tighter and tuneable. So far I have done it at least 1000 times.
>Greetings 
>Hans

>>>> Mark Cramer <cramer at brandonu.ca> 05/05/09 10:42 AM >>>
>Hi Susan,

> 

>Someone had *plugged* several stripped screw holes in the tubular rail, and
>tightening the flange screw simply augured the plug out of the hole. IOW,
>the flange and flange-screw made a dandy plug-puller, just not the kind of
>demonstration you need to see 30 minutes before curtain time.

> 

>My good friend Stan just mentioned that he's had good success swabbing
>several coats of CA in the hole, then spraying accelerator on the
>tuning-pin. Not exactly what you've described Susan, but similar. I'll have
>to give your suggestion a try.

> 

>The piano I'm needing to plug is a 1920's Steinway that has several problem
>holes, but should still be a long way from needing a new pin-block. (read:
>it will have to make it on the wood it's got for a few more years)

> 

>Fred mentions routing out and replacing a section, which is also a great
>repair (I made a jig, it's here somewhere.), however the problem-pins in
>this block are kind of here and there throughout. 

> 

>Meanwhile, I'm not really able to look at that particular piano until
>August, but at least I'll know what to do when the time comes.

> 

>Thanks everyone for sharing your experience, I really appreciate it!

> 

>Best regards,

>Mark Cramer,

>Brandon University

> 

> 

> 

>  _____  

>From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] On Behalf Of Susan
>Kline
>Sent: May 4, 2009 7:43 PM
>To: caut at ptg.org
>Subject: Re: [CAUT] pin-block plugging?

> 






>Like at a concert-hall a few years back when it became immediately apparent
>why the C6 flange on their older D was lifting every time I tried to tighten
>the screw. (Any guesses?)  



>The very end of the action screw had broken off in the hole, possibly
>because it was crazy-glued in? And so tightening jammed the rest of the
>screw down against the stub? And sawdust perhaps was driven out of the hole
>and under the loose flange?

>(Am I warm? Or way off base?) 

>Manitoba -- maybe too dry in winter to have CA glue work well? Maybe if you
>took out the loose tuning pin, swabbed the hole with something damp, put the
>pin back in and then dripped in the CA? (or wet the tuning pin with the CA
>and then turned it back in.)

>Susan