How to clean and maintain your Vape Mod from Jessie Smith This guide will teach you how to take apart your Vape Mod completely, analyze which parts need to be cleaned, and how to correctly clean them. 1 How to clean and maintain your Vape Mod Although maintenance for your Vape Mod shouldn't be dangerous, it can be messy. It is recommended to do this on top of a paper towel. Start by removing the top cap of your Vape Mod 2，Unscrew RDA (rebuildable dripping atomizer) and take it off. 3，Many Vape Mods are different, you might have to take out your battery in a different way than shown. At the bottom of the tube, unscrew the firing pin. Take the battery out of the Vape Mod. 4，Inspect all of the parts that will need to be cleaned: The firing pin The RDA threading The bottom of the inside of the tube 5，Clean the Firing pin by dipping a paper towel into hot water. Carefully rotate the hot towel around the middle area, rubbing the grime away. 6，Get a new paper towel wet with the hot water. Clean the RDA threading by rotating the wet paper towel back and forth across it. 7，Get a new paper towel wet with the hot water. Twist it until it can easily fit inside of the tube. Use your finger or another long tool to rotate the paper towel along the sides and the bottom of the tube. 8， Put your Vape Mod back together by doing steps 1 - 2 in reverse. (Leave the mouthpiece of the top cap off). Careful, firing your Vape Mod produces heat and can make the device HOT! Fire your Vape Mod. If the coils are heating up, it has been fixed! If your Vape Mod is still not firing, consider getting a new build.