Editing Step 21 —
Install the rear arm

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Rear arm assembly

The POM insert groove must be aligned as shown

Install the rear arm through the rear bed arm and decoupler

Thread the Lead screw in to the rear arm assembly

Do not force the lead screw through the POM nut on the decoupler as this can cause damage. It should thread through smoothly

Tighten the M4 Cap Head Screws to secure the arm to the carriage

Take care not to over tighten the M4 screws as you damage the printed parts

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