Normally they work just fine. If they get clogged, it is best to replace them.
If lacquer thinner doesn't work, use xylene from the hardware store but do it out doors for safety's sakeYoutube is your friend. I found a couple of videos on how to clean them using lacquer thinner. Look at the one by Scotty Kilmer. I don't know if it will work. Probably best to just replace.
Thanks a lotYoutube is your friend. I found a couple of videos on how to clean them using lacquer thinner. Look at the one by Scotty Kilmer. I don't know if it will work. Probably best to just replace.