[pianotech] Melting on plastic elbows

Elwood Doss edoss at utm.edu
Mon Sep 27 10:15:01 MDT 2010


I am replacing a set of old plastic elbows and have found that the end with the bushing that connects to the whippen will break off and still be attached to the whippen.  How does one break that plastic flange to get it off so the new one can be installed?

Joy!

Elwood

 

Rev. Elwood Doss, Jr., M. Mus. Ed., RPT

Piano Technician/Technical Director

Department of Music

355 Clement Hall

University of Tennessee at Martin

Martin, TN 38237

Office: 731/881-1852

Fax: 731/881-7415

Cell: 731/479-4043

 

From: Dale Erwin [mailto:erwinspiano at aol.com] 
Sent: Friday, September 24, 2010 9:45 AM
To: pianotech at ptg.org
Subject: Re: [pianotech] Melting on plastic elbows

 

Dave
   I think we should pass a law limiting spinet life spans. After that it would be illegal for kids to try to play them :)......... whadda ya think?
 That's what we do with cars here in CA.  The broke legislature pays 1000 bucks to retire gross polluters.  Now really.... aren't spinets noise polluters.  hey its dangerous!

 

 

Dale S. Erwin
www.Erwinspiano.com



Jon:

 

I’ve melted them on for many years and it might be just marginally faster, but it is VERY much easier on the hands!  

 

dp

 

David M. Porritt, RPT

dporritt at smu.edu

 

 

From: pianotech-bounces at ptg.org <mailto:pianotech-bounces at ptg.org>  [mailto:pianotech-bounces at ptg.org <mailto:pianotech-bounces at ptg.org?> ] On Behalf Of Jon Page
Sent: Friday, September 24, 2010 6:12 AM
To: pianotech at ptg.org <mailto:pianotech at ptg.org> 
Subject: Re: [pianotech] Melting on plastic elbows

 

	    I can't remember who passed on the tip (Maybe Jon Page?)

	Instead of screwing on the replacement elbows I applied a few seconds of heat from a propane bottle torch to the wire then pushed on the new plastic

	elbow  holding  it in place for a two count. Very fast and easier in the hands.

 

'Tweren't me. I'm a proponent of the spin technique. Clamp a ViseGrip

on the wire at the top of the old elbow and cut off the old plastic with end

nippers. Once the new elbow is started, rotate the VG while holding the elbow.

 

I can't see how holding the wire to the flame to heat it takes less time than

to spin it on AND no fumes.

-- 


Regards,

Jon Page

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