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Broken heatbreak on MK3  

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Alaingeenrits
(@alaingeenrits)
Active Member
Broken heatbreak on MK3

I send this message to Prusa support last week, but they might be busy. So looking for input here...

While exchanging nozzles on my MK3,  I broke the heatbreak between heater block and heatsink. Accidents happen… I looked up the spare parts on the website and also the procedure, but I was wondering if you have experience or tips on what to replace? A piece is still stuck in the heater block, so I guess I need to replace it too, but I am nervous about disconnecting the thermistor from the old one after all these years… Afraid I will break the wires and do not see the thermistor in the spare parts… Please advice…

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Posted : 05/12/2021 5:42 pm
BogdanH
(@bogdanh)
Honorable Member
RE: Broken heatbreak on MK3

Can't be seen on photo, but have you tried to unscrew nozzle first? After that it should be easier to unscrew the bit that's left from heatbreak.

Btw. You can get thermistor for MK3 on free market. Here's one store.

[Mini+] [MK3S+BEAR]...
Posted : 05/12/2021 7:47 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Broken heatbreak on MK3

To make it easier to remove the elements, I would heat up the heater block with a heat gun.Heatbreak, e.g. made of titanium, is also available from other dealers near you. I would also order a thermistor (ATC Semitec 104GT-2 104NT-4-R025H42G) at the same time, as these tend to break.

wbr,

Karl

 

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen....
Posted : 05/12/2021 10:04 pm
Alaingeenrits
(@alaingeenrits)
Active Member
Topic starter answered:
RE: Broken heatbreak on MK3

Thanks! Yes I did but it broke of and cannot get a grip. Thanks for the shop, did not know it.

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Posted : 06/12/2021 7:41 am
Alaingeenrits
(@alaingeenrits)
Active Member
Topic starter answered:
RE: Broken heatbreak on MK3

Thanks for the tips!

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Posted : 06/12/2021 7:54 am
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