The V2 electronics are buried in the base of course and Some disassembly would be required. Then I saw the SeeMeCnC dual extruder adapter and the path became clear. The V3 electronics are all in the upper section. The V3 has a dual extruder mount option. I have to rebuild the frame anyway.
So V2 to V3 conversion was the answer.
I also replaced the 12V power supply to a 12V meanwell supply. Not for any power reason, I was not ready to go 24V. But the cooling fan on the stock power supply is a bit loud when it kicks on. The meanwell supply fan is more quiet. Plus it is UL certified. Luckily it fits exactly the same as the stock supply. With a quick mount print the MosFet fits nicely.
The old style onyx heater is thicker than the new one. I use a filaprint build surface on a tricklaser heat spreader. The stack up of these was a bit taller than the clips would allow. One 6-32 teflon washer under each clip made up the difference.
One other note, I filed all the molding seams off the outside of the molded parts. For one they fit in the tabs much better and for two it seemed important they be removed on the upper and lower surfaces that contact the frame parts for bed leveling.
In the upper section it was important for me to keep things neat. After all I planned to change to the Duet so I didn't want my wires in a knot I couldn't unravel. SeeMeCnc has some wire bundling instructions but it still seemed a bit messy.
In the firmware I had to make sure none of the motors were reversed. You had to reverse one in the V2 arrangement. My trick laser low profile skates worked with the limit switches perfectly (still manually leveling) In the end I got an extra 50mm of build height with the V3.
Some of you might be asking yourself, why didn't he just move to the Duet at the same time? Well, I have a habit of not changing too many things at once. And before you change something the tool needs to be working. So this round was new frame and the bed Mosfet. Now that everything is working I will start on the Duet conversion.
My other guideline is that of my two printers, only one can be down at a time. That way you can print the parts you need as you go.
