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Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement

O que você precisa

  1. Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement, Rear Motor Bearing: passo 1, imagem 1 %32 Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement, Rear Motor Bearing: passo 1, imagem 2 %32 Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement, Rear Motor Bearing: passo 1, imagem 3 %32
    • Ensure that the device is unplugged from any power source to avoid electrical shock.

    • Flip the device, making the gray part face to the right.

    • Remove four 14mm screws using a T20 Torx screwdriver.

    • Remove four 18mm screws using a T20 Torx screwdriver.

  2. Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement: passo 2, imagem 1 %32 Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement: passo 2, imagem 2 %32 Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement: passo 2, imagem 3 %32
    • Hold the device so the gearbox assembly faces directly towards you.

    • Remove the four screws using a T20 Torx screwdriver.

    • Using a plastic opening tool, pry the gearbox assembly away from the clam shell.

  3. Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement: passo 3, imagem 1 %32
    • After all necessary screws are removed, gently remove the upper red cover from the device.

    • Remove the gray motor and gearbox assembly.

    • Remove the gearbox gently as to not damage the brushes.

  4. Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement: passo 4, imagem 1 %32 Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement: passo 4, imagem 2 %32 Milwaukee Impact Wrench 9070-20 Rear Motor Bearing Replacement: passo 4, imagem 3 %32
    • Attach a bearing removal tool to the bearing.

    • Tighten the bearing puller until the bearing comes off of the motor shaft.

    • For easier removal, lightly heat the bearing with a propane torch.

    • Heat and then press the replacement bearing onto the shaft.

Conclusão

To reassemble your device, follow these instructions in reverse order.

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