Piano Forum

Topic: Fixing a Damper Felt That Isn't Fully Muting Upright Piano Strings  (Read 1714 times)

Offline themaximillyan

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Tools Needed: Thin-tip screwdriver Pliers (if necessary) Shim (thin piece of plastic, cardboard, rubber, etc.) Step-by-Step Instructions: Check the Damper Adjustment: Use a thin-tip screwdriver to unscrew 'the damper head block' from 'the damper string'. Slightly unscrew the damper block screw and lift the hammer head block slightly. Ensure that the felt wedge of the hammer block makes contact with the string, effectively muting the sound when the hammer strikes. Tighten the damper block screw to secure the position. If Adjustment Doesn’t Work: If the damper still isn’t functioning properly after making adjustments, you may need to address the felt wedge. Unscrew the damper head block from the damper wire. Use pliers to gently compress the sides of the felt wedge. This may help if the felt has become too thick to mute the strings effectively. Addressing the Damper Felt Head: If the problem persists, remove the damper felt head from the damper wire. Locate a suitable shim (thin plastic, cardboard, or rubber). Insert the shim into the hole where the damper felt head was positioned to create additional friction between the hole and the damper wire. Finalizing the Fix: Ensure the shim is properly positioned and secure within the hole. Tighten the damper screw again to hold the shim in place. Conclusion: With these adjustments, the damper felt head should function correctly, allowing it to mute the piano strings effectively. If the issue persis
ts after these steps, you may want to consult a professional piano technician for further evaluation.[/i]