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So here are some pics of the upgrade process. This way, there is no confusion, or worries for people who might think they cannot do the upgrade. If you cannot do this upgrade, you should not be in this hobby
You need (1) tool, to do the (Optic) upgrade, and maybe 30 minutes max. It took me 30 to take down the fixture, do the upgrade while taking pictures, and re hang the unit. Also, keep in mind I have a nasty flu
The tool you need (is) a 5/64" allen wrench...
Start by taking off the cover with the allen wrench
Then you'll see this...
Start removing the (4 center) optics...
All optics removed.... (Not necessary because you will only be changing out the center 4 but it gives you an idea)
EDIT
Now install in reverse order. I took pictures of the re-installation, but it is entirely unnecessary to post.
Don't forget to install the paper sleeves over the pucks and between the optics... (There is no need to remove them for an Optic Upgrade so skip this step)
Also, the pucks should fit like in this video. (Great video BTW)
http://www.youtube.com/watch?v=LAAya-7qdCU
Here they are on my zero edge light tree
EDIT.... A Special Thank You to Rostato For All His Hard Work!