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Editing Step 23 —

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When the HotEnd is at tempereature, tighten the nozzle whilst holding the heater block with a spanner.

This will tighten the nozzle against the HeatBreak and ensure that your HotEnd does not leak.

You want to aim for 3Nm of torque on the hot nozzle - this is about as much pressure as you can apply with one finger on a small spanner.

The nozzle does not need to be torqued down incredibly tightly to form a good seal, when at lower tempreatures the aluminium will contract and hold the Nozzle and HeatBreak together.

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