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Gather:
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x1 V6 heater block
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x1 V6 1.75mm 0.4mm nozzle
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x1 Hemera 1.75mm heatbreak
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Orient the block so you have the side with only two holes visible.
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Screw in the heatbreak from the side with only two holes.
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Line up the top of the M6 thread section with the top of the heaterblock.
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Screw in the nozzle from the side with 3 holes.
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Check the spacing is similar to the second picture.
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Screw the heater block assembly into the heatsink.
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The final orientation of the heater block should be the same as the second image.
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Slide the thermistor into the hole without a slot.
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Place the M3 grub screw on the 1.5mm Allen key.
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Screw in the grub screw until it just touches the thermistor.
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Tighten M3 grub screw by an 1/8 of a turn.
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Gather:
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x1 Hemera assembly
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x1 M3 x 12 dome head screw
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x1 Heater cartridge
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Insert the heater cartridge into the heater block as shown.
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Fasten the heater cartridge with the M3x12 dome head screw.
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The heater block should deform slightly to clamp the heater cartridge.
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Gather:
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x1 Hemera assembly
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x1 Heatsink fan
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x2 Self tapping screws
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x1 PZ1 screw driver
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Place the fan on the heatsink so that the sticker is facing towards the fins.
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Fasten the 2 self tapping screws with a PZ1 screw driver
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Hot-tightening is the last mechanical step before your Hemera is ready to go. Hot-tightening is essential to sealing the nozzle and heatbreak together to ensure that molten plastic cannot leak out of the hotend in use.
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Using your printer's control software (or LCD screen), set the hotend temperature to 285°C. Allow the hotend to reach 285°C and wait one minute to allow all components to equalise in temperature.
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Gently tighten the nozzle whilst holding the heater block still with a spanner and using a smaller 7mm spanner to tighten the nozzle. This will tighten the nozzle against the Heatbreak and ensure that your hotend does not leak.
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You want to aim for 3Nm of torque on the hot nozzle—this is about as much pressure as you can apply with one finger on a small spanner.
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For the base assembly options please see: 01 - E3D Hemera Core Assembly
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For Bowden assembly instructions please see: 03 - E3D Hemera Bowden Assembly
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For mounting instructions please see: 04 - General E3D Hemera Mounting Guide.
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For Current adjustment instructions please see: 05 - E3D Hemera Current Adjustments (VREF)
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32 Comments
Greetings Dan,
I only issue I have with you instructions is, the correct orientation of the heater block and the cartridges.
Toward the heatsink Fan away from the fan or perpendicular to the fan?
Thanks foe the hard work,
Steve
Thank you for your feedback, the images have been retaken to show the recommended block orientation and wire exits.
Dan Rock -
Hello Dan,
It may be beneficial to include a section at the end that demonstrates the “hot” tightening process.
Tom
Is the collet clip included in the kit i can’t see in in any of the bags that came with my E3D Hemera Direct
My collet was already installed in the Hemera Direct Kit out of the box.