player piano problem

[Ron Nossaman]

>I am trying to restore an old player.
>I have the bellows etc. working well, now when in play mode it BARELY plays
>when pumping as hard/fast ask you can go - BUT - when you slide the lever
>into rewind vacuum comes up and the pedals operate good/firm, and it rewinds
>fast as per normal vacuum. etc.
>
>What do you suggest?
>
>Dan

Sounds like valves to me. Have you rebuilt the stack, or just the pumpers 
and replace the tubing?

Ron N