- Preheat the hotend to exactly 220C
- Remove the filament from the hotend
- Unscrew the old nozzle, while holding the heater block in position using an adjustable wrench
- Screw in the new MK8 nozzle and torque it to 30- inch pounds (3.4Nm) while holding the heater block in position using an adjustable wrench
- Verify that the thermal break is still seated flush on top of the heater block after installation
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