Answer:

Do’s

• Read the manual – get to know your machine before taking it apart.

• Brush out your sewing machine after every few uses.

• Oil the machine as instructed in your manual.

• Only take apart small areas at a time.

• Wipe down the outside of the machine with a damp cloth after every few uses.

• Cover when not in use.

• After you are finished, sew on a piece of scrap fabric to be sure everything is working properly.

Don’ts

• Don’t use canned air or blow into your machine. • Small particles of moisture are blown out and can damage your machine.

• Don’t oil the machine if not instructed to.

• Don’t over oil.

• Don’t clean when your machine is plugged in.

Explanation:

This is according to an article, here's the link

https://www.banaschs.com/the-dos-donts-of-cleaning-your-sewing-machine/