Belts

There are two easy ways to adjust your belt tension.

1. If you have completed steps 1-4 of the Calibrations section of this guide the download this 10mm belt tension gaugeand use it as shown here to tension each belt to the same tension.
   

2. You can use something like a guitar tuner or piano tuner app to literally pluck each belt like a guitar string and set the frequency for each belt to about 47Hz.

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In order to tension the belts you mist first loosen the two lower belt pully mounting screws and then turn the tensioner knob to the right to increase tension and left to decrease tension.