Changes to Step #7

Edit by Dave Ogles —

Edit approved by Grégoire Saunier

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After
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Step Lines

[title] X axis installation
[* 9] Be careful with this step as you might damage the lead screw nuts (black nuts on the X ends).
-[* 7] Place the X axis on top of the Z lead screws. Carefully rotate by hand the Z lead screw to engage and move down the X axis.
- [* 9] Be very careful, never force on the lead screw nuts or you might damage them.
- [* 9] Rotate the lead screws in synchronization.
-[* 5] Continue to rotate the Z lead screws ***simultaneously*** until you can align the top X smooth rod with the bottom of top Z axis extrusion.
- [* 9] Verify the X axis is parallel and make correction if necessary.
-[* 8] ***Very gently*** slide the two Z smooth rods (320mm long) down to the Z motors. The smooth rods must be fully inserted until they touch the Z motors (you can hear a "metallic click" when you reach the motor).
- [* 9] Verify the Z smooth rods are fully inserted down to the Z motors. This is very important as it might affect the alignment of your X axis later.
+[* 7] Place the X axis on top of the Z lead screws. Carefully rotate, by hand, both Z lead screws to engage with the nuts and move down the X axis.
+ [* 9] Be very careful. You should never apply force on the lead screw nuts or you might damage them.
+ [* 9] Rotate both lead screws, simultaneously, keeping the X axis level as it moves down the Z axis.
+[* 5] Continue to rotate both Z lead screws until you can align the top X smooth rod with the bottom of top Z axis extrusion.
+ [* 9] Check that the X axis is parallel and rotate one or other of the lead screws until it is.
+[* 8] ***Very gently***, insert the two Z smooth rods (320mm long) into the bearings and down to the Z motors. The smooth rods must be fully inserted. They must touch the Z motor body itself (you can hear a "metallic click" when you reach the motor).
+ [* 9] Verify the Z smooth rods are fully inserted into the Z motor mount and actually touch the Z motors. This is very important as it might affect the alignment of your X axis later.