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Pro2 Nozzle Installation Instruction
Pro2 Nozzle Installation Instruction
For the instructions on removing or re-installing the assembled hotend onto the extruder head, please
refer to the Manual Pro2 – 402 Hotend Replacement.
STEP 1: Remove and install nozzle
1.1 Remove the old nozzle from heating block with an 8mm socket wrench.
To prevent damage to components, do not exert force on the throat rube. Hold from the solid section of the heating
block during adjustments.
1.2 Insert a cleaning rod completely through the hotend and ensure that tube is completely clear of
blockages,
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Pro2 Nozzle Installation Instruction
1.3 Screw the new nozzle into the heating block. Do not tighten completely. Ensure that there is a
visible gap between the nozzle and the heating block.
STEP 2: Tighten the Throat Tube
Hold onto the heating block, and tighten the throat tube by rotating the heat sink. Rotate until the nozzle
‘catches’ on to the tube (begins to spin).
The heat sink may be askew when the right position is achieved. This is normal, and will be adjusted in the latter steps.
If the heat sink is loose on the throat tube, secure the fixing screw prior to tightening the throat tube.