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How to disassemble a piano for repair or cleaning

tool : How to disassemble a piano for repair or cleaning
It’s best for a specialist to disassemble the piano.

To clean, repair and adjust the instrument, knowledge of how to properly disassemble the piano is necessary. It is advisable that the piano be disassembled by someone who can then guarantee its assembly and operation, that is, the tuner. However, the situations are different. And good advice on how to disassemble the piano will not be superfluous.

The content of the article

  • Mechanics
  • Remove and replace keys
    • Piano Hammer Extraction
    • Removing and installing a figure
  • String replacement

Mechanics

The first step is to fold down the top cover, remove the keyboard valve, panels, cirleystics. In order to remove the mechanics, the nuts are unscrewed, which fasten the racks, tilt it onto themselves, and, taking the extreme racks, lift and put on two stools. In place of the mechanic is installed in the reverse order, for convenience, the pedal sticks are removed. In how to disassemble the piano, and then assemble, it is important that there is no rush, you need to remove the mechanics carefully, not jerking, trying not to hook the dampers, since setting them in the right position is a long and painstaking process. If during assembly the ears did not fully rest on the bolts, then you do not need to twist the nuts with pliers and tear off the thread - it is necessary to put a screwdriver in the stand ear near the bolt and strike the handle with your palm.

Remove and replace keys

Removing keys from a tool

If the mechanics are removed, removing the keys and putting them in place is not difficult. When there is a need to pull out one or two keys, and not the entire keyboard, removing the mechanics, as well as disassembling the piano, is not required. The key is removed from the pins and with the figure raised up to the stop, the rear end of the key is removed from under the figure. Sometimes the key needs to be turned almost to a vertical position, and in other cases - just a little bit.

The figure is a horizontal intermediate lever, having a pusher mounted on an axis - a spapler, which transfers movement from the key to the hammer.

Piano Hammer Extraction

First, you need to unfasten the bentik by lifting the figure with your finger so that the bentik is not stretched, remove its tongue from the hook, using the upward movement towards you. It is advisable not to drop the screws, otherwise it is impossible to get them out except to disassemble the piano, remove the mechanics and, holding it upright, shake until the screw and washer fall to the floor. In order to prevent the spiller from interfering during the installation of the hammer, you can remove the key so that the figure lowers along with the spiller.

The bentik is a flexible ribbon that connects the hammer knot and the figure.

The spiler is a lever that drives the hammer.

Removing and installing a figure

To remove the figure, you need to unfasten the bentik, get the mechanics, unscrew the screw from the back. Putting the figure in place is more difficult, since the spoon is very difficult to install the screw in the socket.

String replacement

Disassembly may come in handy when carrying out preventative cleaning

Having removed the mechanics, they unscrew the wirbel with a key for a couple of turns. The first ring of the string is pulled up with a screwdriver, the end of which is pulled out of the hole in the wirbel. Scraps of string can come in handy when searching for a new one. The end of the new string is passed into the hole on the peg and, holding it, turn the wirbel, providing a weak string tension. Her turns are pressed to each other with a screwdriver, and the place of inflection with pliers to the wirbel.

Wirbel is a peg that serves to secure the string.

Knowledge - how to disassemble the piano, how to assemble it - is useful when carrying out the recommended cleaning of the instrument from time to time during tuning. With a certain amount of accuracy and attentiveness, there will not be any extra parts left, nor will subsequent repair be required.

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