1300PL Knowledge Base
1300PL Knowledge Base
Breadcrumbs

Adjust Belt Tension

Background

The 1300PL uses a helical rack and pinion drive for higher rigidity and accuracy, and therefore will often be louder than other drive systems or similar machines.

Tools

  • Allen Key Set

  1. Power off the machine.

  2. Remove the motor belt cover over the servo motor pulley.

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  1. Remove the belt covers from both sides of the gantry.

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  1. Loosen the two mounting bolts holding the belt tensioner. Adjust the tensioner until the belt is tight enough to only deflect 0.125” (3 mm) when pressed with one finger.

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  1. Tighten the tensioner mounting hardware and repeat for the other side of the gantry.

  2. Loosen the mounting hardware for the servo motor.

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  1. Slide the servo back in its mounting slots until the belt is taught. It should deflect about 1/16” (1.5 mm) when pressed with one finger.

  2. Tighten all mounting hardware and re-install belt covers.