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Ender 3 / CR20/PRO Y axis Linear rail kit install

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  1. Ender 3 / CR20/PRO Y axis Linear rail kit install, Teardown: Schritt 1, Bild 1 von 2 Ender 3 / CR20/PRO Y axis Linear rail kit install, Teardown: Schritt 1, Bild 2 von 2

    • Remove all 4 bed leveling screws for the Bed heater.

    • Lift the bed heater and set it behind or to the left of the printer

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  2. Ender 3 / CR20/PRO Y axis Linear rail kit install, Teardown: Schritt 2, Bild 1 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Teardown: Schritt 2, Bild 2 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Teardown: Schritt 2, Bild 3 von 3

    • Remove all 4 idler pulley bracket screws

    • Lift pulley bracket to remove tension on the belt

    • Remove Y belt

    • Remove idler pulley bracket and set aside all parts

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  3. Ender 3 / CR20/PRO Y axis Linear rail kit install, Y Carriage: Schritt 3, Bild 1 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Y Carriage: Schritt 3, Bild 2 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Y Carriage: Schritt 3, Bild 3 von 3

    • Slide off Y carriage of the front of the Y axis extrusion

    • Remove V-Slots wheels

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  4. Ender 3 / CR20/PRO Y axis Linear rail kit install, Rail Prep: Schritt 4, Bild 1 von 2 Ender 3 / CR20/PRO Y axis Linear rail kit install, Rail Prep: Schritt 4, Bild 2 von 2

    • Remove Linear Rails for packaging and Wipe off excess oil with a lint free cloth

    • Preinstall M3x8 SHCS and Sliding Tnuts

    • Take Note to skip 2 holes between each fastener, and ensure to mirror this process from each end of the rail until you overlap in the middle

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  6. Ender 3 / CR20/PRO Y axis Linear rail kit install, Slide On & Mount Rails: Schritt 5, Bild 1 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Slide On & Mount Rails: Schritt 5, Bild 2 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Slide On & Mount Rails: Schritt 5, Bild 3 von 3

    • Note Sliding in the Linear rails do not allow rail block to slide off the end of the rails.

    • Insert Printed T-nut guide to help with sliding the rail into the top slot on the Y axis extrusion

    • Slide the rails into the top T-slot

    • Aline rails with the end of the extrusion using one of the included stiffener plates as a stop

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  7. Ender 3 / CR20/PRO Y axis Linear rail kit install, Mount Rails: Schritt 6, Bild 1 von 2 Ender 3 / CR20/PRO Y axis Linear rail kit install, Mount Rails: Schritt 6, Bild 2 von 2

    • Note when sliding on Rail alignment Jigs do not allow Linear rail block to slide off the end of the rails.

    • Tighten the M3 mounting bolts to the front of the rail to the back on both sides

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  8. Ender 3 / CR20/PRO Y axis Linear rail kit install, Ender 3 / CR20-PRO 5th Hole: Schritt 7, Bild 1 von 2 Ender 3 / CR20/PRO Y axis Linear rail kit install, Ender 3 / CR20-PRO 5th Hole: Schritt 7, Bild 2 von 2

    • Linear rail Block mounting hardware Per rail block mounting hole

    • M3x12 SHCS

    • M3 Flat Washer Per hole

    • Split lock washer

    • Stiffener plate 5th hole Screw (M3x10 SHCS with M3 washer)

    • M3 Hex nut

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  9. Ender 3 / CR20/PRO Y axis Linear rail kit install, Mounting Rail Carriage Adaptors: Schritt 8, Bild 1 von 2 Ender 3 / CR20/PRO Y axis Linear rail kit install, Mounting Rail Carriage Adaptors: Schritt 8, Bild 2 von 2

    • Right side

    • Left side

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  10. Ender 3 / CR20/PRO Y axis Linear rail kit install, Y Carriage Install: Schritt 9, Bild 1 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Y Carriage Install: Schritt 9, Bild 2 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Y Carriage Install: Schritt 9, Bild 3 von 3

    • M4x10 FHCS

    • M4x12 BHCS

    • M4 washer

    • M4 washer large OD

    • M4 FHCS screw first. Then attach the M4x14S BHCS screw with the washer Stack.

    • Slide the Y Carriage forward and check that Y Carriage is parallel to that front of the Y extrusion. Then tight the screws fully.

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  11. Ender 3 / CR20/PRO Y axis Linear rail kit install, Y Endstop Spacer: Schritt 10, Bild 1 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Y Endstop Spacer: Schritt 10, Bild 2 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Y Endstop Spacer: Schritt 10, Bild 3 von 3

    • Install this spacer between the Endstop bracket extrusion

    • Check that the y endstop is triggered by the Adaptor plate

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  12. Ender 3 / CR20/PRO Y axis Linear rail kit install, Belt Re-install: Schritt 11, Bild 1 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Belt Re-install: Schritt 11, Bild 2 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Belt Re-install: Schritt 11, Bild 3 von 3

    • Re-install idler pulley bracket

    • Re-install Belt back into the tab slots

    • Pulley idler pulley bracket forward to tighten the belt.

    • Then tighten mounting screws on both sides

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  13. Ender 3 / CR20/PRO Y axis Linear rail kit install, Reinstall Bed Plate: Schritt 12, Bild 1 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Reinstall Bed Plate: Schritt 12, Bild 2 von 3 Ender 3 / CR20/PRO Y axis Linear rail kit install, Reinstall Bed Plate: Schritt 12, Bild 3 von 3

    • CR20 Pro

    • Reinstall: bed heater plate, Solid bed mounts, Nylock nuts or bed leveling knobs

    • Ender 3 and CR20

    • Reinstall: bed heater plate, bed leveling springs and bed leveling knobs

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AJ Pereira

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