01. V-Core 3.0 to 3.1 Upgrade Guide

Your EVA2 assembly may differ from the one shown. The EVA2 sections of this guide should be used as general advice for disassembly.

Remove the four M3x20 screws

Remove the EVA2 shroud

Remove the 40x10mm hot end fan

Remove the two marked M3x25 screws

Remove the hot end assembly

Remove the lower face support

Remove the four M3x8 screws

Remove both belt grabbers and free the CoreXY belts

Remove the M3x25 screw securing the 5015 fan

Remove the 5015 fan

Remove the three M3x12 screws securing the cable holder

Remove the cable holder assembly

Remove the two M5x45 screws securing the belt grabbers into the EVA2 back

Pull the belt to remove the belt grabbers

Remove the belt from the belt grabbers

Slowly pull one end of the first belt to remove it from the CoreXY drive mechanism

Repeat to free the second belt

Remove the three M3x35 screws from the Bondtech BMG extruder

Remove the Bondtech BMG extruder

Remove the extruder NEMA17 stepper motor

Leave the remainder of the EVA2 assembly for now. It will be further disassembled in Step 32

Lower the z-axis by turning each lead screw counter-clockwise

Lift the bed assembly upwards to raise it off of the arms

Disconnect the heated bed wiring and set it aside for the V-Core 3.1 assembly

Whilst supporting the x-axis assembly, remove the eight marked M3x8 screws

Remove the x-axis assembly from the V-Core 3 and set it aside until Step 30

Remove the two marked M5x35 screws from the front left arm

Remove the four M3x20 screws from the front left arm

Repeat the above 2 steps to remove the front right arm

Set the both front bed arms aside until Step 27

Loosen the upper M3 screw on the lead screw coupler

Gently pull the lead screw upwards and out of the coupler

Remove the anti-backlash nut block from the lead screw

Repeat the above 3 steps for the lead screw at the front right side

Loosen all of the M3 screws securing the linear rail to the V-Core 3.0 frame

Remove the linear rail, taking care not to let the carriage leave either end of the rail

Repeat the above two steps for the linear rail on the front right

Set the linear rail assemblies aside, they will be re-installed during the V-Core 3.1 assembly guide

Remove the four marked M6x20 screws

Remove the front left z-axis motor mount

Retrieve the four 3030 drop-in t-nuts from the 3030 extrusion

Repeat the above three steps for the motor mount on the front right side

Set both assemblies aside until Step 25

Remove the two marked M5x35 screws from the rear bed arm

Remove the four M3x20 screws from the rear bed arm

Set the rear bed arm aside until Step 28

Loosen the upper M3 screw on the lead screw coupler

Gently pull the lead screw upwards and out of the coupler

Remove the anti-backlash nut block from the lead screw

Set the lead screw aside, along with the other two, for use during the V-Core 3.1 assembly

Remove the two marked M6x20 screws

Remove the two marked M6x12 screws

Retrieve the four 3030 drop-in t-nuts from the 3030 extrusion

Set this assembly aside until Step 25

Loosen all of the M3 screws securing the linear rail to the V-Core 3.0 frame

Remove the linear rail, taking care not to let the carriage leave either end of the rail

Set the linear rail assembly aside, it will be re-installed during the V-Core 3.1 assembly guide

Remove the marked M6x12 screw

Remove the two marked M6x14 countersink screws

Remove the M5 nylon locking nut from the underside of the idler bracker

Remove the marked M5x40 screw

Lift the xy_idler printed part off the V-Core 3.0 frame

Remove all components of the idler stack

Retrieve the three 3030 drop-in t-nuts from the 3030 extrusion

Repeat the previous step to disassemble the front right idler

Support the NEMA17 stepper motor

Remove the four marked M3x35 screws

Remove the NEMA17 stepper motor from the mount

Remove the two marked M5x35 screws

Remove the three marked M6x14 countersink screws

Lift off the top of the CoreXY motor mount

Retrieve the three 3030 drop-in t-nuts from the 3030 extrusion

Remove the lower part of the CoreXY motor mount

Remove all components of the two idler stacks

Repeat Steps22 and 23 to disassemble the left CoreXY motor assembly

Loosen the lower M3 screw on the lead screw coupler

Remove the lead screw coupler

Remove the four marked M3x18 screws

Lift the pillow block assembly off and set it aside

Remove the printed mount from the NEMA17 stepper motor

Set the NEMA17 stepper motor aside for the V-Core 3.1 assembly guide

Repeat Step 25 and the above two steps for the other two z-axis motor mounts

Remove the two marked M3x20 countersink screws

Remove the neodymium magnet

Remove the two M3 nylon locking hex nuts

Repeat the above three steps for the front right bed arm

Remove the two marked M3x20 countersink screws

Remove the neodymium magnet

Remove the two marked M3x30 screws

Remove the bed cable tiedown printed part

Remove the four marked M3 nylon locking hex nuts

Remove the four marked M5 nylon locking hex nuts

Remove both xy_joiner_plates

Remove the four marked M5x10 screws

Remove the two marked M5x12 screws

Remove both xy_joiners from the ends of the 2020 extrusion

Retrieve the six 2020 square t-nuts from the 2020 extrusion (three at each end)

Remove the four M3x10 screws securing the remaining EVA2 assembly to the linear rail carriage

Remove the remaining EVA2 assembly from the 2020 extrusion and linear rail assembly as shown

Set the 2020 extrusion and linear rail assembly aside, as it will be needed during the V-Core 3.1 assembly

Remove the two marked M5x55 screws from the xy_joiner assembly

Remove all components of the front toothed idler stack

Repeat the above two steps for the opposite xy_joiner

Remove all components of the rear idler stack on both xy_joiner assemblies

It is possible to reuse the V-Core 3.0 base panel with the V-Core 3.1 upgrade, however additional cuts will be required

A 2D printable template, as well as a modified rear motor trim are provided on the V-Core 3.0 to 3.1 Upgrade Page

Refer to the provided image to align the templates for cutting the base panel