Printrbot Simple Metal fan upgrade & Cable holders
thingiverse
The fan attachment is created to address the issue of extruder motor overheating during extended printing sessions. Fan information: Voltage: 12V Size: 50mm x 50mm Distance between holes: 40mm (center-to-center) 6mm switch Using a hot glue gun, I securely attached cable retainers to the motors. Instructions: I connected the 12V fan directly to the Printrbot power port (blue circle in the wiring image). Be careful not to disrupt the Z-probe connector (red circle in the wiring photo). After installing my fan, I encountered an issue where the Z-axis would move upward and disregard the Z-probe input. Disconnecting the z-probe wire from the group resolved this problem temporarily.
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