malaysia piano tuning and repair services
this is a petrof grand piano, normally such problem is commonly seen in malaysia due to different weather and humidity.
lead expand, too damp that cause sticky and sluggish action.
even the damper area have the same affection. one the lead become like so, keys or dampers will jam and stuck due to severe friction between lead with lead rubbing with each other.
when the grand action has been removed from the piano
key bushing service
key lead expand till the key started to crack
need a little bit of reshaping
once the key spoiled key lead has been removed
grand piano wippen
once everything include regulation has been completed
action is ready to be mounted back and start tuning
the whole process is a time consuming task, regulation and necessary adjustment need to be done on the spot before tuning. now the grand is smooth and ready to be played.