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3D printed parts
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Necessary fasteners
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Milled aluminium Y-carriage
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Smooth and threaded rods (Smooth rods are the medium lenght ones from package [if you have only 2 lengths, use shorter ones])
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Felt spacers
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Y-axis endstop
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Y-axis motor (longer one)
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13/17mm spanners
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3.6mm flathead screwdriver
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Needle-nose pliers
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2.5 and 1.5mm hex spanner
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Screw the nuts and place washers and Y-corners on the threaded rod as shown in the picture
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Ensure a 80mm distance between nuts
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The 2 nuts after 80mm gap have to be tightened against each other (counter-nut)
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Screw the nuts and place washers and Y-idler on threaded rod as shown in the picture
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Screw the nuts and place washers and Y-idler on threaded rod as shown in the picture
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Y-axis stage front
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Insert Y-axis stage front and back in to Y-axis side elements and lock it with washers and nuts like in the picture
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Insert the Y-axis stage into the frame as close to Y-corners as possible
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Adjust and tighten the M8n nuts
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Rotate the Y-axis stage and repeat
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Insert the 8mm smooth rod into the Y-axis stage.
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Adjust and tighten the M10n nuts
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Remove the 8mm rods
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Insert zipties into the Y-carriage as shown on picture
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Place the linear bearings in cutouts
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Using M3x10 screws, M3n nuts and 2.5mm hex spanner screw the Y-belt holder to Y-carriage
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Insert the 8mm smooth rods into the linear bearings on Y-carriage
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Using pliers, tighten the zipties as shown on picture
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Make sure that there is a small gap between motor and Y-carriage
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If the gap is not even, adjust the bottom nuts
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Using pliers tighten the ziptie on the endstop as much as you can
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Cut off excess ziptie and discard
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Roll the Y-carriage until it hits the endstop
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Check the gap on the dual bearing side of Y-carriage between bearing and Y-corner (should be around 2-5mm)
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If the gap is too large or bearing is hitting the Y-corner, move the endstop to compensate
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Ziptie the cables to the threaded rods as shown in picture
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Cut and discard excess ziptie
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Insert the Y-GT2 belt (shorter one) in the the Y-belt holder as shown in picture
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Adjust the Y-idler as shown in picture (623h bearing housing should be in axis with the belt)
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Place a GT2-16 pulley on the Y-motor shaft as shown in picture
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Tighten the screws in the pulley
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Using the pliers, tighten the belt and insert it into the Y-belt holder
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Using a flathead screwdriver, move the belt to the end of the Y-belt holder cutout
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If necessary, grab the end of the belt with pliers, twist it and insert it in the Y-belt holder cutout as shown in the picture
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Place assembled Y-axis on a flat surface
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Check if every corner is touching the ground
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If some corner is in the air, try twist the axis slightly
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Congratulations, you have assembled Y-axis !
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You can continue by assembling X-axis by click on following link
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