Try:
Chain loose
Lever linkage slipping somewhere, either on shaft
collar or adjusting "sleeve' area, allowing gear to
not engage.
Slide valve in play-reroll cutoff box ( probably
on pump system below keybed )not moving to correct
position.
Thump
--- "Patrick C.Poulson" <pcpoulso@pacbell.net> wrote:
> Hello all: I got a request to come out and look at a
> player piano that suddenly stopped rewinding. As
> there are no longer any active player technicians in
> my area, I occasionally try to help out with
> (hopefully) minor problems. It would help if I could
> find an online source for diagnosing and repairing
> these things. Major rebuilding of player pianos is
> not something I want to pursue, but it would be
> nice to help some keep their beloved player running,
> at least for a while. Thanks,
> Patrick C. Poulson
> Registered Piano Technician
> Piano Technicians Guild
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