How to Replace a Sewing Machine Drive Belt

 

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This DIY repair guide explains how to replace the drive belt in sewing machine. The drive belt connects the drive motor to the hand wheel and upper shaft, turning the hand wheel and upper shaft as the motor runs. A broken or worn belt can't turn the hand wheel and upper shaft. Replace a broken or worn sewing machine drive belt using the manufacturer-approved replacement part.

Repair difficulty:
     
Time required:

Less than 15 min.

Parts Required

  • Drive belt

For manuals, repair guides, and specific part recommendations, enter your model number.

Tools Required

  • Work gloves
  • Phillips screwdriver

Before you begin

Wear work gloves to protect your hands.

Instructions

 Warning: Undertaking repairs to appliances can be hazardous. Use the proper tools and safety equipment noted in the guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs should only be performed by a qualified technician.

How to Replace a Sewing Machine Drive Belt

Step 1: Shut off the electricity

Unplug the sewing machine's power cord from the wall outlet.

Step 2: Remove the drive belt cover

Remove the screws securing the belt cover to the sewing machine and pull the belt cover off.

Step 3: Remove the drive belt

Loosen the 2 motor mounting screws and pivot the motor upward to release the belt tension.

 

Slide the drive belt off the hand wheel and remove the belt.

Step 4: Install the new drive belt

Position the new drive belt under the motor pulley and then roll the belt onto the hand wheel.

 

Pivot the drive motor to apply slight tension to the belt and tighten the motor mounting screws firmly.

Step 5: Reinstall the belt cover

Position the belt cover on the sewing machine and reinstall the belt cover mounting screws.

Step 6: Restore power

Plug the sewing machine into the electrical outlet.

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