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How to Install Extruder Side Cooling Fan Manual Pro2 Series - How to Install Extruder Side Cooling Fan -V1.0 Note: The steps of replacing both sides of cooling fans are similar with each other. Here we use the right side as reference.
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Remove the screws marked in the figure below and take the cooling fan off with the fan duct. Remove the screws marked in the figure below and take the fan duct off.
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5. Preparation for wiring. Unplug the cable of the side cooling fan from the extruder board. Note: The left terminal on board is used to control the right fan, right terminal is used to control the left fan.
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Take the old cooling fan and the its cable out. Remove the two retaining screws from the black back casing and take the casing off. Cut the zip ties retaining cables and take out the fan cables.