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On the cold end blower, peel back the corners of the magnetic shielding foil to expose the M2 screw heads. Using a 1.5mm Allen remove the cold end blower, you may need to use flush cutters or tweezers to hold the M2 nuts from spinning.
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Step 6: Prepare Part Cooling Duct
Snap off the support and brim from the duct
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Reusing the previous M2 hardware, fasten the cold end blower to the new duct, and smooth down the magnetic shielding foil.
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Reusing the previous M3x35mm screws, fasten the part cooling fan to the new duct, noting wire orientation.
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Reusing the previous M2 hardware, fasten the cold end blower to the new duct, and smooth down the magnetic shielding foil.
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Use the M3x35mm screw to mate the two Cold end and Part Cooling Assemblies together as one, but do not protrude the threaded side of the screw past the printed parts.
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Reuse the previous M3x18mm screws and insert them in the part cooling duct. Add Loctite 243 on the threads.
Before the next steps involving torqueing down the fasters, please not the position of the Cold end Duct and part cooling fan to makes sure the assembly is seated correctly before tightening.
Place the fan assembly on the printhead, and torque the M3x18mm screws on the part cooling duct to the T plate.
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Torque the M3x35mm screw to the T plate
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Reconnect the fan cables.
Tie down the Hotend cables with a cable tie.
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