old piano hammer head repair

some felts of piano hammer heads are purely glued to the head molding,
whereas some are stapled.
from time to time, due to different humidity exposed, hammer head felt may come loose.
if not noticed visibly, the affected key tone will turn mellow or even will produce no sound at all.
attaching back is one of the way to solve the problem.
by using the traditional way of fixing the loosed hammer felt, thread is a very
useful tool.  of course and a proper glue.

with proper glue and the support of thread will solve the problem.

piano key cap replacement (old piano repair)

if you find your old piano with crack and dirty white key caps

and you feel like replacing them, yes we can do it.

look at the picture above,  the white plastic key caps are cracking, chipped and the dirt

has penetrate deep into the white area, it is no use to have them clean and polish.

the solution is to replace the old one to new key caps.

we carefully extract the old key caps, clean the underneath surface

and carefully glue and clamp the new parts. 

Filing process will be applied to make the key edge smooth.