[pianotech] Noisy jack springs on a vertical

[Bruce Browning - The Piano Tuner]

Barbara,
Could be hard leather tape ends rattling on bridle wires.


> Has anyone else ran into a similar problem, and what can be done other
> than possibly replacing springs and/or jacks?  Or maybe am I hearing
> something completely different?  It sure does sound like noisy springs to
> me when I isolate the movements.
>
> Thanks for the help.