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Step 7Make a spacer ring
I found that with the reflector removed, the lens no longer fit snugly, and therefore the light would no longer be waterproof. I cut out a thin ring from my plastic to fit. Place the ring on top of the plastic and trace it. Use that to cut a thin ring for a spacer.
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Nov 29, 2007. 4:55 PMac-dc
says:
A large rubber O-ring might also make a nice spacer. However, another option is to take the original reflector and grind down the back of it, then use only the # of LEDs that fit in the then open space. Since the LEDs will (practically) never burn out if not overdriven with too much current, after the lens, remaining portion of the reflector, and LED assembly is installed into the heat, it can be fixed in place with epoxy. Another way to fix the lens in place would be to throughly clean the lens and the ring it seats in, then put a small bead of silicone caulking (or similar) around the inside recess where the lens sits, then put the lens in , wipe off any excess caulking that squirts out the front of the ring, then flip it over on waxed paper and put a weight on the lens (like a D cell battery) until it dries in 24 hours or so.
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