Two possibilities not yet mentioned: -- muffler bar too low, hammers hanging up on the felt -- hammers so worn with deep string cuts that the hammers get "tangled" in the strings -- I've also seen hammers hanging up on the damper felt, but I guess that would be in the action. Clyde pianolover 88 wrote: > customer calls complaining of two sticking keys. Got there and checked it > out. Problem was NOT in the action, or keys. what was causing the keys to > stick?
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