N1 - What hotend is this?

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krohelm
Posts: 15
Joined: Sat Dec 02, 2017 11:12 pm

N1 - What hotend is this?

Postby krohelm » Sun Jan 07, 2018 6:33 am

I'm swapping out for the Micro Swiss 0.2mm nozzle for a super-tiny print I've got on my roadmap; these 1.5mm grub screws are really tight, I'm concerned they will break if I twist the tool much harder. Also, the hotend on my printer (N1 Single) does not look like the hotends I see in the instructions at https://www.youtube.com/watch?v=Q3EaDHNdlKU and other places. It's a single piece, not split.

Do I really need to remove the thermocouple and heater to swap nozzles?

IMAG2598.jpg

krohelm
Posts: 15
Joined: Sat Dec 02, 2017 11:12 pm

Re: N1 - What hotend is this?

Postby krohelm » Sun Jan 07, 2018 8:11 am

I ended up using a large wrench braced holding the hotend body and a 6mm wrench on the nozzle - holding in the same hand at the same distance for (close to) equal mechanical advantage and squeezed. I still don't know what's up with my 1-piece heat sink, but I have a method for removing the nozzle without resorting to removing the heater or thermocouple.

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Vicky@Raise3D
Posts: 4305
Joined: Fri Mar 25, 2016 3:54 am

Re: N1 - What hotend is this?

Postby Vicky@Raise3D » Mon Jan 08, 2018 4:54 am

The heat sink in instruction video is a little old type, the later versions become to be one piece.
https://www.raise3d.com/pages/instructi ... assembling

If you haven't removed the throat tube when switching the nozzle, please double confirm whether with tightly fixed the nozzle onto the heating block, there leaves a little gap or not. Or the nozzle may not be sealed well with the throat tube above.
And, please hold the heating block but not throat tube when tightening the nozzle, or you may break the throat tube.
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