Dremel 3D20 Quick Start Manual page 2

Step 4: Unplug the motor cable from
the stepper motor.
Step 5: Unscrew the fan baffle screw
from the left front side of the extruder
assembly.
Step 6: Remove the fan baffle from the
turbo fan.
Step 7: Unscrew the turbo fan mounting
bracket screw from the left back side of
the extruder assembly.
Step 8: Move the turbo fan bracket
and turbo fan away from the
extruder assembly. This will expose
the wire connections.
Step 9: Disconnect the
thermocouple wire connector. (Red
and blue to red and white wires).
Step 10: Disconnect the heat
cartridge wire connector. (Orange
and blue wire to 2 white wires).
Step11: Disconnect the fan wire
connector. This connector is
marked with black ink. (Red and
black to red and black wires).
2