Introduction

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    • Make sure all power cables to your 3D Printer are unplugged including wall plugs (A/C) and/or USB cables.

    • Remove the Print Head Assembly and move to a well lighted clean area.

    • Retain all parts and hardware for reassembly!

    • Use a #1 Phillips Screwdriver and remove the name plate.

    • DO NOT remove the hot end fan screws

    • Using a #1 Phillips and M2.5 hex, remove the screws securing the part cooler fan.

    • For the socket head screw, go to the next step.

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    • Hold the nut with needle nose pliers and remove the socket head screw and nut.

    • The final screw holding the part cooler duct on is accessed from underneath. Use a #1 phillips for this.

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    • Unplug the part cooler fan.

    • Unplug the hot end fan.

    • Remove the hot end fan and holder. Grab the fan with your thumb and index finger and pull it 180 degrees from the opening.

    • Using a small flat tip screw driver, loosen the phoenix connector to release the heater wires.

    • Unplug the thermistor connection.

    • Remove the bottom 2 motor screws.

    • Remove the 2 upper motor screws. They also hold the lever in place, which is under spring tension.

    • Squeeze the lever down while removing or installing the upper 2 to help align the holes.

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    • Loosen the 4 socket head cap screws with M2.5 hex until the horseshoe is loose.

    • Remove the horsehoe.

    • The hot end can now be removed by pulling it down and out of the printed body.

    • If it is stubborn, you can gently pry between the top fin and printed mount with a flat screwdriver.

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    • Now is the time to repair or replace your hot end.

    • Important Reminder: If you change any components, note the length of a few things...

    • The protrusion of ptfe tubing out the top.

    • The length of the hot end. Any change here will affect Probe Z Offset and may cause issues if too long or too short.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Tiny Machines 3D

Member since: 16/11/19

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