CP80 Yamaha portable piano

[Ron Nossaman]

> I have a customer with a CP 80 Yamaha portable electric piano with a
> problem.  One of the hammers has broken off in the middle of the keyboard
> and has fallen down under the back check of the key to its left and is
> holding the hammer up so that both keys cannot play. I can see the broken
> off hammer down in there using a flashlight. Question: how does the
> action come out? I took the key slip off but that was all I could see to
> do. What else needs to be done to get it out so that I can get to the
> broken off hammer and make the repair. This customer is a professional
> entertainer and needs his piano fixed. 
> 
> Thanks for your help,
> Martin Wisenbaker, RPT

The action in these things doesn't slide out like anything 
normal. You have to disassemble the thing, including pulling 
the stack. Start at the top, taking things off until you can 
reach the escaped hammer.
Ron N