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Howdy everyone. I figured I would post this here as there wasn't a lot of information about installing the Hero Me Gen 2 on the Ender 5 out there. It isn’t exactly a direct drop-in replacement, but it isn’t too hard to install either!
First, you have to take your hot end off the gantry. The hot end itself does not have to be disassembled. I read that someone did this, but it isn't necessary. Just take out the bowden tube and unscrew it from the gantry.
Second, you have to remove the bottom wheel from the gantry.
Third, you slide the base into place. It should slot into place without any trouble. If you have a sensor, this is when you would install it. If you're using a sensor, you will have to remove some plastic to make room for where the x-axis belt connects with the gantry. In the pictures I included in my "make" post you can see where I clipped out some plastic for this purpose.
Fourth, you insert your hot end and screw it back in by putting your screw driver or Alan key through the fan cover. I had to clip two of the fins inside the fan cover to make room for this maneuver. It doesn't matter aesthetically as the fan covers it anyway.
I read somewhere that someone had to shave down a bit of one of the 5015 fans to make them fit. I did not encounter this problem. Both fans snapped into place without trouble. Indeed, I don't even have them screwed down. The fit is pretty snug.
I think that’s about it! Wasn’t too hard; took maybe 30 minutes total not including wiring up the fans. I posted lots of pictures from different angles to hopefully help others! There wasn’t a lot of information out there for doing this on the Ender 5.