¶ M1 Pro Extrusion Lower Shell Component
The lower shell component of the extruder is a key part of the extruder assembly, which contains a cutter, a material break adapter plate, a material break spring, steel balls, and magnets
¶ When to Replace
- Replace when the material feeding is not smooth or the material cannot be fed in.
- Replace when the material-breaking magnet is worn.
¶ Required Accessories and Tools
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| New Extruder Lower Housing Assembly |
H1.5mm Hexagon Socket Wrench |
H2.0mm Hexagon Socket Wrench |
Crosshead Screwdriver |
¶ Safety Warning
Pull out the consumables, remove the material tray, then turn off the power and disconnect the power cord.
¶ Operating Guide
¶ Step 1: Remove the single-nozzle cover, then disconnect the fan wire and the hot-end wire
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¶ Step 2: Remove the hot-end assembly, the tool head wire, and the PTFE tube
① Use an H2.0mm hexagon socket wrench to remove the two screws, then take down the hot-end assembly.
② Use an H1.5mm hexagon socket wrench to remove the four screws, then take down the tool head wire.
③ Use the PTFE tube removal tool (3D-printed part) to take down the PTFE tube.
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¶ Step 3: Remove the extruder assembly
Use an H1.5mm hexagon socket wrench to remove the four screws, then take down the extruder assembly.
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¶ Step 4: Remove the extruder adapter plate
Use a Phillips screwdriver to remove the three screws, disconnect the motor wire and the cutter material-break connection wire, then remove the extruder adapter plate.
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¶ Step 5: Remove the extruder upper housing assembly
Use an H1.5mm hexagon socket wrench to unscrew the set screw most of the way, then remove the three screws that secure the extruder upper housing assembly. Next, pry open the extruder upper housing assembly to take it down, and finally use a wrench to push out the handle pin.
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¶ Step 6: Install the new extruder upper housing assembly
Attach the handle, hold it in place by hand, secure the handle with the handle pin, then install the new extruder upper housing assembly. Lock in four screws to fix it, and finally screw the set screw in about two threads.
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¶ Step 7: Install the extruder adapter plate
First, connect the cutter wire (4P terminal) and the material-break connection wire respectively, then plug in the motor wire. Finally, lock in three screws to secure the extruder adapter plate.
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¶ Step 8: Install the extruder adapter assembly and connect the fan wire
Mount the extruder adapter assembly in place, lock in four screws to secure it, then plug in the wire properly.
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¶ Step 9: Install the hot-end assembly
First, plug in the hot-end wire. Then, hold the hot-end firmly to prevent the hot-end assembly from being installed crookedly during the installation process. Next, lock in two screws to secure it. After installation, the hot-end assembly and the extruder assembly should be perpendicular to each other.
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¶ Step 10: Insert the PTFE tube and secure the tool head wire
Insert the PTFE tube into the PTFE connector, then use four screws to secure the tool head wire.
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¶ Step 11: Attach the single-nozzle cover by adsorption
First, plug in the fan wire on the cover. During the installation process, note that the cutter must pass through the notch on the cover, then attach the entire cover by adsorption.
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