Introduction
This iFixit guide shows how to replace the bracket plate on the y-axis motor of your Creality Ender 3 3D printer. If the bracket is bent, it will be unaligned with the extrusion, which causes the y axis belt to be unaligned. This could ruin the 3D-printed item. This guide shows a step-by-step process for taking out the bent bracket and replace it with a new bracket or how to straighten the original bracket. This guide ensures that your Ender 3 will print correctly without malfunctions, due to a misaligned y-axis motor. This guide will also show how to straighten out a plate of metal at home (with specific tools). If these tools are not available, a y-axis motor bracket can easily be bought online and replaced.
Tools
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Place the bed plate in the middle of your Ender 3. Do this manually by gently pushing it to the middle.
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Turn on the printer, and click the button to the screen shown in the photo.
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Rotate the button clockwise to "Prepare".
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Rotate the button clockwise to AutoHome. This should set your bedplate to 0 on both X & Y axes.
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Remove the two M4*20 screws from the back end of the Y-axis bar using an 8 mm Allen Wrench. The side of the display should be facing you.
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Remove the four M3*6 screws that are attaching the motor to the Y-axis motor using an 8 mm Allen Wrench.
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Buy a new bracket with the same brand (depending on the severity of the bend of the bracket) or straighten the metal on your own.
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If you choose to fix it on your own, slip the bracket in between a workshop bench clamp. Apply enough pressure between two thick blocks of metal to straighten it.
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Use vise-grips to aid in stabilizing the metal as you force the metal to straighten.
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To reassemble your device, follow these instructions in reverse order.
