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Editing Step 33 —

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To Tension the belts push the motor forward in the injection molded mount while feeling the belts. Once you have reached the desired tension. Tighten down the 3 screws that were left loose.

You do not want the belts too tight or too loose. Most importantly you want them all evenly tensioned. Arrange the 3 carriages so they are at the same height on the rails and do your best to match the tension on each belt.

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