My SV06 Plus is leaking filament from the top. I think its because the nozzle and the heat break aren’t mating enough. I cannot for the life of me get the heat break to thread in (since its smooth and theres no way to tightend it). Any ideas from anyone?

Hello, Normally, you should tighten them at a temperature of around 200°C, no less. To do this, you can use pliers like these: [image] Irwin T0902EL4 Pinces-étaux avec mâchoires incurvées 125 mm Argent : Amazon.fr:... Pinces-étaux avec mâchoires incurvées 125mm 13,33€ …

+1 for the vice grips. The smooth part of the heat break is surprisingly tough. Also don’t be afraid to turn on the heater with the heat block hanging from the wires. Make sure NOT to get the heat break too deep onto the heater block. The entire “notch” should be exposed. The “fluid seal” is th…

So you guys use vice grips without any kind of protection for the heatbreak surface?

Thanks again. By “The entire notch should be exposed” do you mean the part between the heat break and the blcok? The small silver color piece where the filament passes through?

The threaded part should not be below flush with the top of the heat block [image]

What’s the reasoning why it shouldn’t be below flush? I couldn’t get a gap of between the nozzle and the heatblock until i was slightly below flush. If that’s really the case then I think this is a design flaw with the replacement part. The depth as measured from the nozzle end when I got it was ~1…

The closer to the heatsink the heat block is the more heat transfers across the gap. Resulting in filament melting in the “cold” part of the heat break and causing clogs. It seems trivial but on long print most printers are barely able to maintain a cold cold end. Be mindful of anything that adds h…

Ah that makes a lot of sense. Thanks for that. I had to go slightly below flush. Hopefully it doesn’t become an issue. In any case using vice grips worked, but I had to sand the copper heat break a tad bit.

[image] ChaoticNeutral: but I had to sand the copper heat break a tad bit. Hi, May I know what for?

There was a little scoring from the vice grips that made it so I couldnt get the heat break all the way in.

SV06 PLUS leaking from heat break (top)

Sovol SV06 Plus

cardoc June 27, 2025, 4:49pm 5

yes. Just don’t get too aggressive with the tension screw. If it slips before you are satisfied with the nozzle torque tighten a tiny bit and give it another go.

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SV06 PLUS leaking from heat break (top)

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