Hello All: I am servicing a 1967 Chickering baby grand with a sostenuto system that is grossly out of adjustment. I have done some preliminary fiddling with it, enough to know that I am not familiar with adjusting this type. It has bendable tabs on the damper levers, and adjustment lock nuts on the blade brackets that are in a really awkward place to get a tool on. Anybody got a good procedure for these systems? Thanks. Patrick C. Poulson Registered Piano Technician Piano Technicians Guild
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