Might be a stupid question. How do you release the PTFE tubes from the extruders and reinsert them securely? I can't figure out where the clamps are. I"m installing the extruders outside my enclosure for easier loading and would like to run the tubing through the top.
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Do you mean inside the 3D Chameleon itself? Those are 4mm Brass Compression Fittings... they're crimped onto the tubes... you must disassemble the unit to remove them.
Just inferred a better way from rereading the instructions. Easier to release them from the Y connector than the extruders. I still would like to know how the extruder side clamps work. It would be useful when installing my filament sensors on the input side.