[pianotech] Gunk on guide rail bushings

[richarducci at comcast.net]

Pic was taken after reaming etc.

Rick Ucci
Uccipiano.com
609-677-0444

On Feb 14, 2013, at 8:17 AM, "Greg Newell" <gnewell at ameritech.net> wrote:

> Richard,
>    I've not seen it before but I'm wondering about the seemingly good
> amount of clearance between the wire and the bushing. Could it be that the
> cleaning and application of your chemicals only disguised the real problem?
> Could it be that the wires are leaning on one side of the bushing too much
> and causing the slow return? Just a thought. The seemingly large amount of
> clearance makes me wonder.
> Best,
> 
> Greg Newell
> Greg's Piano Forte
> 216-226-3791 (office)
> 216-470-8634 (mobile)
> www.gregspianoforte.com
> gpf at ameritech.net
> 
> 
> 
> -----Original Message-----
> From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
> Of richarducci at comcast.net
> Sent: Thursday, February 14, 2013 8:07 AM
> To: pianotech at ptg.org
> Subject: [pianotech] Gunk on guide rail bushings
> 
> List, this is a brand new piano, made in USA. Cleaned a black substance off
> of damper wires which were returning slowly or not at all.
> Looked similar to center pin issue in Asian pianos.
> Anyone see this before? I have more pics as well. Reamed bushing and used
> clp and ironed bushing and so far so good.
> 
>