Damper lifter rod return

[David ilvedson]

> Date:          Mon, 17 Mar 1997 19:14:12 -0500 (EST)
> From:          SGrossner@aol.com
> Subject:       Re: Damper lifter rod return
> To:            pianotech@byu.edu
> Reply-to:      pianotech@byu.edu


Hi Sam,

I suspect, as you and Vince Mrykalo have suggested,  that
the hangers are the problem and will lube or rebush tomorrow.
Thanks for the input.

David ilvedson, RPT

> In a message dated 97-03-15 18:41:14 EST, you write:
>
> << List,
>
>  I am finishing up my Kimball Upright project and have found that
>  the lifter rod is not returning fully.  Often there is a dummy
>  damper lever to return the rod but not on this beast.  Any ideas
>  as I look into installing a dummy damper lever, which seems the
>  best way at this moment. >>
>
> David: I have had this problem and have installed various springs in the past
> to the lifter rod and other places to over come it. I would check the lifter
> rod and make sure it floats easily. In other words out of the piano, check
> the rod to see if it falls away from the dampers easily. If not, time to
> check the hanger bushings and lubricate or ream if necessary. If this not the
> case, check all linkages up to the rod and make sure that the pedal rod full
> retracts. Spring under pedal, etc. Make sure the felt on the action rail
> allows the rod to come back far enough from the damper levers to allow them
> to seat fully on the strings. That would be the goal. I guess you knew that.
> Yours Truly, Sam G. Chicago.
>
>