[pianotech] Ivers & Pond Upright #24422 (John Ross)

[Thomas Cole]

The good news is that you can anneal the brass yourself, either with a 
gas stove, an LP torch or anything that will heat the brass to a dull red.
Tom Cole

Sigurd wrote:
> After you have replaced the but plates the next thing to happen is the 
> brass rail tongues will start to break. To keep yourself out of 
> trouble remove the brass rail with the but plates still fastened. Have 
> the brass rail heat treated. Heat treating will soften the brass and 
> you won't have any more cracked brass for as long as you are in the 
> tuning business.
> ----- Original Message ----- From: "John Ross" <jrpiano at win.eastlink.ca>
> To: "David Ilvedson" <ilvey at sbcglobal.net>; <pianotech at ptg.org>
> Sent: Monday, April 05, 2010 3:22 PM
> Subject: Re: [pianotech] Ivers & Pond Upright #24422 (John Ross)
>
>
>> I found that if you go down the row tightening the butt plates, any that
>> actually tightened, were cracked.
>> Since it is brass on brass, there is no reason for them to loosen.
>> So if it seems loose, it is actually cracked, and should be changed, 
>> even
>> although it appears to tighten, and lessen the 'wobble'.
>> John Ross
>> Windsor, Nova Scotia
>> ----- Original Message ----- From: "David Ilvedson" 
>> <ilvey at sbcglobal.net>
>> To: <pianotech at ptg.org>
>> Sent: Monday, April 05, 2010 4:58 PM
>> Subject: Re: [pianotech] Ivers & Pond Upright #24422 (John Ross)
>>
>>
>> And if you can't convince them to replace all...then at least mark 
>> the ones
>> you did.   If you take an old one not yet broken, you might be able 
>> to crack
>> it with your fingers.   Explaining what this is costing them for the 
>> minimum
>> service charge and repair a few and what it would cost them to do it 
>> right
>> in the shop.   You can do this work at the site quite easily.  I'd be
>> prepare them to replace the bridle straps at the same time...
>>
>> David Ilvedson, RPT
>> Pacifica, CA  94044
>>
>> ----- Original message ----------------------------------------
>> From: "Chuck Behm" <behmpiano at gmail.com>
>> To: pianotech at ptg.org
>> Received: 4/5/2010 12:30:32 PM
>> Subject: Re: [pianotech] Ivers & Pond Upright #24422 (John Ross)
>>
>>
>>>> You say you replaced a few butt plates.
>>> I always replace them all, to cut down on future problems.
>>> John Ross<
>>
>>> Ditto on that. Whenever one of a set of something breaks, the entire 
>>> set is
>>> suspect. That goes for such things as jack springs, bridle straps, 
>>> hammer
>>> butt springs, plastic elbows, etc. The problem with replacing just the
>>> currently broken ones is that more are bound to break down the road. I
>>> would
>>> say replace them all. Chuck
>>
>
>