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O que você precisa

  1. Repairing a Wobbly Piano Bench, Repairing a Wobbly Piano Bench: passo 1, imagem 1 %32
    • Place the bench on an even surface.

  2. Repairing a Wobbly Piano Bench: passo 2, imagem 1 %32
    • Open and lock its lid. Make sure it stays open during the whole procedure.

  3. Repairing a Wobbly Piano Bench: passo 3, imagem 1 %32 Repairing a Wobbly Piano Bench: passo 3, imagem 2 %32 Repairing a Wobbly Piano Bench: passo 3, imagem 3 %32
    • Unscrew the outer hex nut from one leg using the wrench and take the lock washer out.

  4. Repairing a Wobbly Piano Bench: passo 4, imagem 1 %32 Repairing a Wobbly Piano Bench: passo 4, imagem 2 %32 Repairing a Wobbly Piano Bench: passo 4, imagem 3 %32
    • Take the leg out and unscrew the inner hex nut.

    • Replace the washers with the new ones and re-screw the hex nut tightly.

  5. Repairing a Wobbly Piano Bench: passo 5, imagem 1 %32
    • Connect the leg to the bench again using the new lock washer.

    • Screw the hex nut a few rounds, but do not tighten it yet.

    • Repeat Steps 3 through 5 for all four legs.

  6. Repairing a Wobbly Piano Bench: passo 6, imagem 1 %32 Repairing a Wobbly Piano Bench: passo 6, imagem 2 %32
    • Add a little weight to the chair or push it down with two hands.

    • Turn all four outer hex nuts one round.

    • Make sure the bench is balanced and repeat until all hex nuts are tight.

  7. Repairing a Wobbly Piano Bench: passo 7, imagem 1 %32 Repairing a Wobbly Piano Bench: passo 7, imagem 2 %32
    • Close the lid seat on the chair.

    • If the chair is not balanced or if it makes noises, unscrew the outer nut two rounds and repeat Step 6.

Conclusão

You can redo this process every 6 months to make sure your bench is always stable.

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