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How do I replace a Drive Motor in a Sewing Machine?

If the needle is dull or bent, replace it. A dull or bent needle can cause stitches to be missed. If the needle is bent or worn, it's time to replace it.

Motor rotation is transferred to the hand wheel and upper shaft from the drive belt. The hand wheel will not move if the belt breaks. If the drive belt is worn or broken, you should replace it.

The motor gets power from the foot pedal. The speed of the motor is controlled by the foot pedal. The foot pedal control needs to be replaced if it fails to send power to the motor.

Follow these steps to fix your issue:

  1. Shut off the electricity.

    The sewing machine has a power cord.

  2. Remove the drive belt cover.

    Pull the belt cover off the sewing machine by removing the screws.

  3. Remove the drive belt.

    The belt tension can be alleviated with the help of the two motor mounting screws. Remove the belt from the hand wheel.

  4. Remove the drive motor.

    Remove the screws that hold the motor in place. The terminal block needs to be removed. Remove the drive motor from the terminal block.

  5. Install the new drive motor.

    The motor wires have to be connected to the terminal block. The terminal block and screws have to be reinstalled. Attach the new drive motor to the machine with the help of the motor mounting screws.

  6. Reinstall the drive belt.

    Roll the drive belt onto the hand wheel by positioning it under the motor pulley. To apply slight tension to the belt, pivot the drive motor and tighten the motor mounting screws.

  7. Reinstall the belt cover.

    Attach the belt cover to the sewing machine.

  8. Restore power.

    The sewing machine needs to be plugged into an electrical outlet.

  9. Shut off the electricity.

    The sewing machine has a power cord.

  10. Remove the drive belt cover.

    Pull the belt cover off the sewing machine by removing the screws.

  11. Remove the drive belt.

    To release the belt tension, you need to loosen the 2 motor mounting screws. The drive belt should be removed from the hand wheel.

  12. Install the new drive belt.

    Put the drive belt under the motor pulley and roll it onto the hand wheel. To tighten the motor mounting screws, pivot the drive motor and apply slight tension to the belt.

  13. Reinstall the belt cover.

    Attach the belt cover to the sewing machine.

  14. Restore power.

    The sewing machine needs to be plugged into an electrical outlet.

Time required: 15 minutes.

You would need the following tools: phillips screwdriver, work gloves.

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