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Adjusting the Horizontal Belt Tension

Reset the Horizontal Belt tension if the Horizontal Drive Belt feels loose.

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Click the Reset Motors button to turn off power to the motors.

Click the Reset Motors button to turn off power to the motors.

Knowledge Base > Horizontal Belt Tension Adjustment: All Current CMC Models > ResetButton70800.png

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Move the Gantry all the way to the left edge of the Board.
Loosen one full turn only the lower 3/16” Allen Belt Tension Screw from the right bottom side of the lower Board Rail marked with a red dot.

Move the Gantry all the way to the left edge of the Board.
Loosen one full turn only the lower 3/16” Allen Belt Tension Screw from the right bottom side of the lower Board Rail marked with a red dot.

Knowledge Base > Horizontal Belt Tension Adjustment: All Current CMC Models > BeltTensionerZLooseningBottom800.png

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The Belt Tensioner will spring into place.

The Belt Tensioner will spring into place.

Knowledge Base > Horizontal Belt Tension Adjustment: All Current CMC Models > BeltTensionerZLoose800.png

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Snugly retighten the screw.
Repeat these steps on the upper Board Rail.

Snugly retighten the screw.
Repeat these steps on the upper Board Rail.

Knowledge Base > Horizontal Belt Tension Adjustment: All Current CMC Models > BeltTensionerZTighteningBottomSpringCollapse800.png