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  1. 16x Heat Insert M3 rr_toolhead_vc4_back_idex_t0 rr_toolhead_vc4_back_idex_t1
    • 16x Heat Insert M3

    • rr_toolhead_vc4_back_idex_t0

    • rr_toolhead_vc4_back_idex_t1

    • Remove the AGAD parts (Anti Gravity Assistance Device)

    • Rat Rig avoids supports at all costs, so we're introducing the AGAD as this printed part needs to have a very precise overhang.

  2. rr_toolhead_vc4_back_idex_t0 rr_toolhead_vc4_back_idex_t1
    • rr_toolhead_vc4_back_idex_t0

    • rr_toolhead_vc4_back_idex_t1

    • 16x Heat Insert M3

  3. 1x Rat Rig toolhead plate
    • 1x Rat Rig toolhead plate

    • 4x M3x6 Countersink Screw with applied thread locker

  4. Rat Rig toolhead plate 4x M3x6 Countersink Screw Tighten the M3x6 Countersink Screws to secure the plate to the carriage.
    • Rat Rig toolhead plate

    • 4x M3x6 Countersink Screw

    • Tighten the M3x6 Countersink Screws to secure the plate to the carriage.

    • Pay attention to the orientation of the metal plate, having the pointy side towards the front of the printer, chamfered holes up.

    • Avoid using a ball end hex key, as they are more prone to damaging the sensitive M3 countersink screw head.

    • After tightening the screws, it is essential to verify that the X carriage retains its free movement. Excessive tightening of the screws may lead to the binding of the carriage.

  5. 1x M3x8 Cap Head Screw
    • 1x M3x8 Cap Head Screw

    • 2x M3x16 Cap Head Screw

    • 1x rr_toolhead_vc4_back_idex_t0 assembly

    • 1x rr_toolhead_vc4_duct_idex assembly

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  7. Remove the four rubber spacers on the 4028 Part Cooling Fan Remove the four rubber spacers on the 4028 Part Cooling Fan
    • Remove the four rubber spacers on the 4028 Part Cooling Fan

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  14. Phaetus Rapido V2 UHF Hotend 4x M2.5x6 Countersink Screw
    • Phaetus Rapido V2 UHF Hotend

    • 4x M2.5x6 Countersink Screw

    • PTFE tube - 24.5mm

    • Remove the two countersink screws on top of the rapido

    • Remove the V6-style adapter, it is not required for the RatRig toolhead

  15. If the cables of your Rapido 2 hotend don't align perfectly with the toolhead slot, please follow the next steps: Push down on the silicone sock to remove it Loosen the set screw on the heatsink
    • If the cables of your Rapido 2 hotend don't align perfectly with the toolhead slot, please follow the next steps:

    • Push down on the silicone sock to remove it

    • Loosen the set screw on the heatsink

    • Do not remove it completely to avoid losing it

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  17. 1x Rat Rig Endstop
    • 1x Rat Rig Endstop

    • 2x M3x6 Cap Head Screw

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  19. 1x rr_vc4_toolhead_shroud 40x10mm 24V Axial Fan
    • 1x rr_vc4_toolhead_shroud

    • 40x10mm 24V Axial Fan

    • 4x M3x16 Cap Head Screw

    • Remove the sacrificial layers from the back of the rr_vc4_toolhead_shroud

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Rat Rig

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