07. EVA Assembly

universal_face & back_cartesian printed parts

cartesian_cable_fin printed part

13x M3 Hex Nut

2x M3x30 Cap Head Screw

1x M3x25 Cap Head Screw

1x M3x12 Cap Head Screw

600mm 2GT 6mm Wide Timing Belt

1x 24v 5015 Blower Fan

universal_face printed part

M3 Hex Nut

Install an M3 hex nut into each of the five positions shown

Set this assembly aside until Step 21

back_cartesian printed part

M3 Hex Nut

Install an M3 hex nut into each of the three positions shown

600mm 2GT 6mm Wide Timing Belt

Install one end of the timing belt into the printed part as shown

Assembly from Step 3

M3 Hex Nut

Install an M3 hex nut into each of the four positions shown

Assembly from Step 4

cartesian_cable_fin printed part

M3x30 Cap Head Screw

M3x12 Cap Head Screw

Take care not to over tighten the M3 screws as you can damage the printed parts

Assembly from Step 5

24v 5015 Blower Fan

Install the 5015 fan into the cartesian_back printed part as shown

M3x25 Cap Head Screw

M3 Hex Nut

Secure the fan in place by fitting the M3x25 screw and M3 hex nut as shown

Take care not to over tighten the M3x25 screw as you can damage the printed part

Set this assembly aside until Step 22

bmo_face printed part

1x Assembled Pheatus Dragonfly BMO hot end

Refer to the documentation supplied with the hot end for instructions on assembly

LJ8_probe_mount_8mm printed part

4x M3 Hex Nut

2x M3x8 Cap Head Screw

4x M2.5x8 Cap Head Screw

These screws are provided with the Pheatus Dragonfly BMO hot end

bmo_face printed part

M3 Hex Nut

Install an M3 hex nut into each of the two positions shown

M3 Hex Nut

Install an M3 hex nut into each of the two positions shown

Assembly from Step 8

M2.5x8 Cap Head Screw

Assembled Pheatus Dragonfly BMO hot end

Secure the Pheatus Dragonfly BMO hot end to the printed part using the M2.5x8 screws

Take care not to over tighten the M2.5x8 screws as you can damage the printed parts or the threads in the hot end heatsink

Assembly from Step 9

LJ8_probe_mount_8mm printed part

M3x8 Cap Head Screw

Loosely thread the M3x8 screws into the M3 nuts. Do not tighten them at this point

Set this assembly aside until Step 26

1x Limit Switch

1x M3 Hex Nut

3x M3 Square Nut (Included with the Bondtech LGX Lite)

3x M3x8 Cap Head Screw

6x M3x10 Cap Head Screw

top_endstop_angled printed part

1x Bondtech LGX Lite Extruder

top_mgn12_lgx_lite printed part

Limit Switch

top_endstop_angled printed part

M3x8 Cap Head Screw

Secure the limit switch to the printed part using the M3x8 screws

Take care not to over tighten the M3x8 screws as you can damage the printed part

M3 Hex Nut

Insert the M3 hex nut into the underside of the printed part

Set this assembly aside until Step 18

Bondtech LGX Lite extruder

Remove the two M3x25 screws holding the Bondtech LGX Lite together

Carefully remove the face plate from the LGX Lite assembly

M3 Square Nut

Insert one M3 square nut into each of the marked holes on the LGX Lite

Re-install the LGX Lite face plate

Bondtech LGX Lite extruder

Carefully separate the LGX Lite motor and back plate from the assembly as shown

M3 Square Nut

Insert one M3 square nut into the marked hole on the LGX Lite

Re-install the LGX Lite back plate and motor

Re-install the two M3x25 screws, these secure the Bondtech LGX Lite together

Set the LGX Lite aside until Step 19

top_mgn12_lgx_lite printed part

M3x10 Cap Head Screw

Fasten all four M3x10 screws to secure the EVA top to the MGN12 carriage

Slide the X-axis left and right along the rail to make sure it moves smoothly

If the carriage binds at all, slightly loosen the M3x10 screws and check again

X-axis end stop assembly from Step 12

M3x8 Cap Head Screw

Insert the end stop assembly as shown and secure in place with the M3x8 screw

Bondtech LGX Lite extruder

M3x10 Cap Head Screw

M3x8 Cap Head Screw

Insert the three M3 screws as shown, fasten them to secure the LGX Lite extruder to the EVA top

Take care not to over tighten the M3 screws as you can damage the printed part

bottom_mgn12_short_duct printed part

bmo_support printed part

4x M3x35 Cap Head Screw

2x M3x25 Cap Head Screw

1x M3x6 Cap Head Screw

2x M3 Hex Nut

1x 53mm PTFE Tube

EVA face assembly from Step 2

Insert the EVA face into the EVA top as shown

M3x35 Cap Head Screw

Insert the M3x35 screws partially to hold the EVA face in place. They will be fully secured in the next step

EVA back assembly from Step 6

Align the EVA back with the top

Fully insert and fasten the M3x35 screws, securing the EVA back in place

Take care not to over tighten the M3x35 screws as you can damage the printed parts

bottom_mgn12_short_duct printed part

M3x35 Cap Head Screw

Position the EVA bottom_mgn12_short_duct printed part as shown

Secure it in place by inserting and fastening the M3x35 screws into the EVA back

Take care not to over tighten the M3x35 screws as you can damage the printed parts

M3x10 Cap Head Screw

Insert and fasten the two M3x10 screws as shown to securely assemble the LGX Lite and EVA parts

Take care not to over tighten the M3x10 screws as you can damage the printed parts

bmo_support printed part

M3 Hex Nut

Install an M3 hex nut into each of the two positions shown

M3x6 Cap Head Screw

Secure the bmo_support part to the EVA face using the M3x6 screw

Take care not to over tighten the M3x6 screw as you can damage the printed parts

PTFE Tube - 53mm

Hot end assembly from Step 10

Insert the length of PTFE tube into the hot end assembly as shown

Rotate the hot end assembly as shown

Line up the end of the PTFE tube with the hole in the underside of the LGX Lite extruder mount and push the hot end assembly upwards

Rotate the bottom of the hot end assembly towards the EVA assembly

When properly lined up, the hot end assembly should rest atop the BMO-support printed part as shown

M3x25 Cap Head Screw

Insert the M3x25 screws through the hot end assembly fasten them to secure it to the EVA assembly

Take care not to over tighten the M3x25 screws as you can damage the printed parts

1x 40x10 24V Fan

trihorn_duct printed part

shroud printed part

The design of the EVA shroud may vary

4x M3x25 Cap Head Screw

2x M3x12 Cap Head Screw

2x M3 Hex Nut

trihorn_duct printed part

M3 Hex Nut

Insert an M3 hex nut into each of the shown positions on the trihorn_duct

Position the trihorn_duct as shown

M3x12 Cap Head Screw

Insert the M3x12 screws as shown and fasten them to secure the trihorn_duct to the EVA assembly

Take care not to over tighten the M3x12 screws as you can damage the printed parts

40x10 24V Fan

shroud printed part

M3x25 Cap Head Screw

Insert an M3x25 through each hole in the shroud as shown. Install the 40x10 fan onto the screws and then secure the shroud and fan to the EVA assembly.

Take care not to over tighten the M3x25 screws as you can damage the printed parts

1x M3x40 Cap Head Screw

tension_slider_6mm_belt_M3s printed part

M3 Square Nut

Take the free end of the X-axis timing belt and feed it around the idler pulley

Continue along the underside of the X-axis, passing through the hole in the EVA assembly

Feed it around the X-axis stepper motor pulley...

...and continue back to the EVA assembly

Pull the belt and mark where it meets the EVA assembly. This can be with a marker, or simply by holding it

Measure 16mm, or count 8 teeth on the belt, from the position marked previously. Double check your measurements and then cut the belt at this point

The belt can be cut with regular scissors.

It is better to cut the belt too long than too short! If you are unsure, cut it longer than expected, you can always remove more if needed

tension_slider_6mm_belt_M3s printed part

M3 Square Nut

Insert the M3 square nut into the end of the tension_slider printed part as shown

Cut end of 2GT 6mm timing belt

Insert the end of the belt into the printed part as shown

M3x40 Cap Head Screw

Insert the M3x40 screw into the EVA assembly as shown. This will be used to tension the belt in the next step

M3x40 Cap Head Screw

Fully insert the M3x40 screw as shown

Insert the tension_slider assembly into the EVA assembly as shown and secure by tightening the M3x40 screw

You can now adjust the tension of the X-axis belt:

Tighten the M3x40 screw to increase belt tension

Loosen the M3x40 screw to decrease belt tension

Slowly move the completed EVA assembly along the X-axis a few times. This will allow the pulley on the stepper motor to align itself

Secure the pulley to the stepper motor shaft by tightening both grub screws as shown

8mm Inductive Probe

Insert the probe as shown

Position the probe so that its tip is 1-2mm above the height of the nozzle

Secure the probe in place by tightening the two M3x8 screws