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Petrof modl IV pinblock installation
1.
Petrof modl IV pinblock installation
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Registered Piano Technician
Dave Conte
Posted 06-15-2018 18:38
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Anyone rebuild a Petrof model IV? I have a new customer with one from 1998 on which the back side strings are in contact with the edge of the plate in front of the hitch pins. I have seen this on another Petrof a little bit older. There are no duplex alloquots. I can't lower the plate without removing it.
It doesn't have enough angle at the back to add a bearing or alloquots. The pinblock appears to be screwed into the rim on the outside of the plate struts, so it should come out with the plate and strings attached. But it also looks like there is some glue squeeze out where it sits on the rim, so I dunno. Anybody know?
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