How to replace the small eight-character wheel of sewing machine

The replacement method of the small splayed wheel of sewing machine is as follows:

1. Unplug the sewing machine and open the car shell.

2. Remove the bolts on the wheel, and then remove the wheel. Apply bearing oil and put a new reel on the shaft.

3. Place the wheel on the shaft and fix the wheel bolts.

4. Install the sewing machine shell and plug in the power supply.

5. Turn on the machine and check whether the reel is installed correctly.

6. Install the reel, adjust the sewing machine to a proper speed, and check whether the sewing machine can sew normally.