Tools:
H1.5/H2.0/H2.5 Hex Wrenches
Diagonal Pliers
¶ 1. Unload Consumables
¶ 1.1 Unload Consumables
Set the nozzle temperature to 260°C, press down the pneumatic connector to extract the PTFE (Teflon) tube, switch the extruder to the unlock position, and remove the consumable material.
¶ 1.2 "Shutdown" or "Set the nozzle temperature to 0°C"
¶ 2. Remove the extruder front cover
Tools: H2.0 hex wrench
¶ 2.1 Remove the fixing screws on both sides of the nozzle cover
¶ 2.2 Remove the nozzle cover and disconnect the model cooling fan connector.
¶ 3. Remove the old hotend and heatsink
¶ 3.1 Remove the front circuit board of the extruder
Use an H2.0 hex wrench to remove the three screws on the front
¶ 3.2 Remove the hot-end terminal block
¶ 3.3 Remove the hot-end silicone sleeve.
Operate after isothermal cooling to avoid burns.
¶ 3.4 Remove the hotend fixing screws
Use an H2.0 hex key to remove the two cap head screws fixing the hotend.
¶ 3.5 Remove the fixing screws on both sides of the heatsink
Use an H2.0 hex wrench to remove the two screws on both sides
¶ 3.6 Remove the front fixing screws of the heat sink.
Use an H2.5 hex wrench to remove the two front screws.
¶ 3.7 Remove the old hotend
Grip the heat break block firmly and pull vertically to completely remove the old hotend.
¶ 4. Install new hotend
Align the throat tube hole and install vertically
¶ 4.1 Tighten the front fixing screw of the heat block.
Use an H2.5 hex wrench to tighten the front fixing screw of the heatsink.
¶ 4.2 Tighten the screws on both sides of the heat block.
Use an H2.0 hex wrench to tighten the screws on both sides of the heat block.
¶ 4.3 Attach the hot end terminal
¶ 4.4 Install the Extruder Front Circuit Board
Use an H2.0 hex wrench to tighten the three screws, being careful not to over-tighten the bottom screw to avoid damaging the circuit board.
¶ 4.5 Connect the extruder terminal
¶ 5. Nozzle cover restoration
¶ 5.1 Insert model fan terminal
¶ 5.2 Tighten the fixing screws on both sides
Use an H2.0 hex wrench to tighten the fixing screws on both sides
