How to replace a sewing machine on/off switch
This DIY repair guide explains how to replace the on/off switch on a sewing machine. The on/off switch turns on the sewing machine's power and work light. If the work light won't come on with a new bulb when you turn on the on/off switch, replace the switch with the manufacturer-approved replacement part.
Use these steps to replace the on/off switch in common Kenmore and Brother sewing machines.
This video explains how to replace the on/off switch in a sewing machine.
Instructions
- 01.
Shut off the electricity
Unplug the sewing machine’s power cord from the wall outlet.
- 02.
Remove the drive belt cover
Remove the screws securing the belt cover to the sewing machine and pull the belt cover off.
PHOTO: Remove the front screw from the belt cover.
PHOTO: Remove the bottom screw from the belt cover.
- 03.
Remove the On/Off switch
Remove the screws securing the On/Off switch to the mounting bracket.
Remove the terminal block mounting screws and remove the terminal block.
Disconnect the On/Off switch wires from the terminal block and remove the On/Off switch.
PHOTO: Remove the terminal block mounting screws.
PHOTO: Remove the on/off switch wires from the terminal block.
PHOTO: Remove the on/off switch from the sewing machine.
- 04.
Install the new On/Off switch
Connect the new On/Off switch wires to the terminal block.
Reinstall the terminal block and screws. Position the new On/Off switch on the mounting bracket and reinstall the mounting screws.
PHOTO: Reconnect the on/off switch wires.
PHOTO: Install the new on/off switch.
PHOTO: Reinstall the terminal block.
- 05.
Reinstall the belt cover
Position the belt cover on the sewing machine and reinstall the belt cover mounting screws.
PHOTO: Reinstall the drive belt cover.
- 06.
Restore power
Plug the sewing machine into the electrical outlet.
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