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Changes to Step #39

Edit by Michael Hackney

Edit approved by Michael Hackney

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[title] Install the top on the towers
[* icon_note] The top assembly must be installed with the labels you applied facing up and the '''X''', '''Y''' and '''Z '''corners aligned with the base '''X''', '''Y''' and '''Z''' corners.
[* icon_caution] The idler pulley holes in the top brackets must be closest to the bottom of the frame as indicated in the photo.
[* red] Align the T-nuts and carefully lower the top assembly onto the towers. "Wiggle and jiggle" the T-nuts until the top assembly slides over both T-nuts in each corner bracket.
[* icon_note] It helps to have a helper with this step but it can be done alone if you align the T-nuts and work slowly.
[* red] Allow the top of the towers to protrude about 8mm (5/16") from the top surface of the top assembly. This does not have to be perfect, "close" is good enough. Secure but do not tighten the screws – they will be tightened in the next step when you tension the belts.
[* icon_note] Make sure the ''LED wires'' exiting the '''Z''' tower are free and not pinched as shown in the second photophoto, and not pinched. Also make sure that the top does not interfere with the ''endstopthe'' endstop brackets'' - if so, loosen the mounting screw and lower itthe bracket.
[* icon_note] Make sure the ''LED wires'' exiting the '''Z''' tower are free and not pinched as shown in the second photophoto, and not pinched. Also make sure that the top does not interfere with the ''endstopthe'' endstop brackets'' - if so, loosen the mounting screw and lower itthe bracket.