Stage 08 - Extruder

Coupling Mount

Back Plate

Idler Arm

Drive Gear

Extruder Spring

Place the Extruder Mounting Bracket onto a motor. The motors pin connector should be pointing to the back of the bracket like shown.

Secure the extruder back plate with a single M3 x 8mm bolt through the top right hole.

Fix the Coupling Bracket onto the motor with two M3 x 18mm cap head bolts.

Align the drive gear so that it runs with the filaments path.

Filament path

Fix the Drive Gear to the shaft of the motor.

Tighten the set screw onto the flat of the shaft. Tighten firmly.

Place in position the Extruder Spring on the Back Plate.

Drop in a M3 x 18mm cap head bolt

Compress the spring with the Idler Arm as shown in the first image.

Tighten down the M3 x 18mm bolt

Do not over tighten, the arm should still be able to pivot.

Fix the filament sensor to the Extruder Mounting Bracket:

Filament Sensor

Two M3 x 20mm bolts

Two M3 Nyloc Nuts

Match the orientation of the Filament Sensor as shown in the photo.

Cut 60CM of Braided Cable sleeving

Melt the ends with a lighter to prevent them from fraying out.

Connect the filament sensor cable to the filament sensor.

Connect a motor cable to the motor.

Feed onto both of the cables the braided cable sleeving.

Cable tie the cables to the mounting bracket.

Fix the Extruder Assembly onto the Z-Carriage

M4 x 10mm bolt

M4 Nyloc Nut

Slide onto a M5 x 100mm bolt an M5 15mm washer.

Fix to the bolt an M5 Nyloc Nut about 1cm of the way up.

Fix the bolt to the top of the Extruder Mount with another M5 Nyloc nut.

If you do not intend on installing the Dual Switching Extruder you can cut the tubing down to 50CM before installing.

Insert one end into the PTFE Tubing into coupling on the Extruder.

Insert the other end of the PTFE Tubing into the Hotend, make sure that it is fully inserted up to the nozzle.