MICRO SWISS M3103 FlowTech Hotend Installation Guide

SKU M3103
Micro Swiss FlowTech™ Hotend for Creality Ender-3 V3 KE
INSTALLATION INSTRUCTIONS

M3103 FlowTech Hotend

Tools Required:
1.5mm Allen wrench
2.0mm Allen wrench
7mm wrench

What’s in the box:

Silicone Sock
Heater Core
0.4mm Nozzle
Copper Thermal Adapter
Titanium Mounting Screw (2x)

STEP 1
REMOVE THE FAN SHROUD
⚠ For your safety – allow the hotend to cool to room temperature and disconnect the power cable.

• Remove the three screws securing the fan shroud and pull the fan shroud off of the print head.
  (2.0mm Allen wrench)

• Disconnect the two part cooling fan cables from the break out board.

STEP 2
UNSCREW THE CR-TOUCH

• Remove the two screws holding the CR-Touch probe.
  (2.0mm Allen wrench)

The CR-Touch can remain attached to the cable, it will only need to be moved aside to gain access the set screw in the cooling block in the following steps.

STEP 3
LOOSEN THE THERMAL BREAK

• Loosen the set-screw located on the back-side of the cooling block.
  (2.0mm Allen wrench)
  

STEP 4
REMOVE THE SILICONE SOCK

⚠ Verify the hotend is at room temperature before touching it.

• Pull the silicone sock off of the heater core.
  There is a ridge near the bottom of the stock hotend so the silicone sock will need to be pinched and pulled over the ridge.

STEP 5
REMOVE THE HEATER CORE

• Remove the two screws that secure the heater core to the cooling block.
  (1.5mm Allen wrench)

• Disconnect the to heater and thermistor connectors from the breakout board.

STEP 6
INSTALL THE COPPER THERMAL ADAPTER

• Insert the copper thermal adapter into the cooling block.
  Ensure that the larger hole is at the bottom.

• While continuing to push the copper thermal adapter up, tighten the set screw located at the back of the cooling block.
  (2.0mm Allen wrench)

STEP 7
REINSTALL THE CR-TOUCH

• Reattach the CR-Touch probe to the carriage.
  (2.0mm Allen wrench)

STEP 8
INSTALL THE HEATER CORE

• While holding the heater core with the two titanium mounting screws on each side, push the screws into the cooling block.

• Tighten the two screws until snug.
  (1.5mm Allen wrench)

• Attach the heater and thermistor connectors to the matching ports on the breakout board.

STEP 9
INSTALL THE NOZZLE

• Tighten the nozzle until it is snug.
  (7mm wrench)

Recommended torque: 15 inch-pounds / 1.7 Newton Meters.
There is no need to heat the hotend before tightening the FlowTech nozzle.

STEP 10
INSTALL THE SILICONE SOCK

• Align the cutout slot in the silicone sock with the heater core cables.
• Push the silicone sock up until it wraps around the top of the heater core.

STEP 11
REINSTALL THE FAN SHROUD

• Reattach the two part cooling fan cables to the breakout board.
• Place the fan shroud over the print head.
• Install the three screws to secure the fan shroud.
  (2.0mm Allen wrench)

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