5 Ways to Refill a Lighter - wikiHow
Open the refill valve. Turn your lighter upside down. There will be a small hole in the bottom with a slit leading to a small hole. Insert a push pin into the hole, flip the lighter so the pin is resting against your work surface, and press down on the lighter firmly. You should feel and hear a small "pop" as the pin pushes a metal beebee out of place.