Melted filament stuck in Creality K1 max hotend

[Thierry_Bennamoun]

Hello all,

I’m facing a new problem with my K1 max.
I previously managed to fix the problem by myself, but like my print head I’m stuck.

I made a mistake while assembling new nozzle and didn’t tighten it enough with the hotend.
Resulting in melted filament leak.
Now, I want to disassemble the hotend.
I removed PCB and fans. I heated with airgun to remove most of melted PLA.
I removes screws on the face and on both sides of the heat sink but but the part does not give way.

Is there others screws to remove before pulling ?

Thank you for your replies.

[jimandyen]

Hello @Thierry_Bennamoun …!

Welcome to the Creality Forum…!

This information might help you…
K1 Max hotend remove

K1 Max Hotend Replacement

Let us know how it goes…

[Thierry_Bennamoun]

Thank you very much Jimandyen !
That’s exactly my problem.
I removed 4 of the screws (front and sides), but I can’t remove one of the two in the bottom of the hotend.
So if I can’t remove this screw, I can’t remove the heatblock module ?
Thanks again for your reply.

[3D4Everyone]

Get someone to heat the screws with the heatgun while you try and unscrew it.

[jimandyen]

You should be able to remove the whole heat sink now. It might be a tight fit and just stuck in there. Those two screws at the bottom of the hotend don’t hold the heat sink in.

[Jeremy]

On those hotends the screws do hold https://youtu.be/MDY7RIp0ybk?t=277

[jimandyen]

You are right. They need to come out…

[Thierry_Bennamoun]

Thank you for your reply.
I finally managed to unscrew the last one.
I removed mist of pla while heating and the next day it came out easily.
I ordered a new hotend group.
Thanks again

[Jeremy]

Did you order the same hotend or the newer version with the quick swap unicorn nozzle

[Thierry_Bennamoun]

Hello Jeremy,

I didn’t notice that there was a new version.
In fact, I received the new version.
I hope I’ll be able to install it instead on my K1 max.