Connect the heater cartridge:
You will have to either crimp on a 2 pin connector to the E3D heater cartridge. Or by pass the connector all together and wire it directly to the ramps. This depends on weather or not you want to interchange your extruders. Connectors are prone to failure overtime due to the repetitive back and fourth motion. The link below is a good connector which is being used on the gMax 1.5+ printers. If you are using this connector all you have to do is strip a bit of the heater cartridge wire and clamp it down with the screw terminal. They are much easier and more reliable than the 2 pin connectors on the 1.5.http://www.amazon.com/Positions-Screw-Terminal-Barrier-Connector/dp/B00KHSQ8CO/ref=sr_1_6?ie=UTF8&qid=1448892742&sr=8-6&keywords=screw+terminal+connectors
Difference in z-height:
The j-head is shorter than the V6. The volcano is even longer. Because of this the cooling fan is not aligned in the correct position.
I made the attached slotted fan bracket for the 1.5 a while back. It should work for the Volcano, V6, and j-head. Just loosen, slide, and tighten. You may have to make the slots a bit longer, not sure. Sorry 1.5+ users. I have not seen a model yet to adapt the cooling fan to an E3D v6 or Volcano. Anyone want to make one?
Don't forget to reset your z-axis endstop.
You should also change this difference in Z-height in the firmware. This is found somewhere in configuration.h. I am not sure what the new value for z-height should be as I did not make this change in my firmware.
Cooling fan for the E3D heatsink:
This can be wired to the same 12V terminal which is connected to the LED light. This is the 12V aux port on the ramps. Make sure to get the correct polarity or you might break the fan. Check the LED light labels to figure out which terminal is (-) and which is (+). Or use a multimeter. PID autotune:
I am not going to re invent this excellent Toms guide. Just watch it.https://www.youtube.com/watch?v=APzJfYAgFkQ
Pretty sure this is all there is to converting to an E3D V6 or volcano. Let me know If I forgot to mention anything. Its been a while since I converted my 1.5 but I remember it being easy.
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