There is excessive wear on the drive wheels

If the drive wheels are worn, you will first need to replace them Contact Quilttech at to order. The wear may have been caused by the need for a motor alignment. Follow the procedure below to properly align the motors. This procedure is applicable to both the X and Y motors.

Motor Alignment

There should be a 0.04" (1mm) gap (about one credit card thickness) between the drive roller and the track when all the screws are fully tightened. Move the drive roller and sensor wheel in/out to achieve the best alignment. Make sure that the drive wheel is parallel with the top of the track.

Drive wheel.png

It is very important that the drive wheels run parallel with the tracks. Any angular misalignment would cause damage to the rubber layer on the drive wheels. Use a long ruler to align the motor unit.

Ruler align top.png

Push a long ruler against the motor mounting bracket as this bottom-view picture shows.

Ruler align.png

Rotate the motor unit until the ruler is parallel with the edge of the track.

Sensor wheel.png

The properly aligned motor should align the sensor wheel also. To check this, place a long ruler at the side of the sensor wheel to determine whether it is parallel with the track. If not, you need to bend the sensor bracket physically to set the wheel parallel with the track.

Once the motor is aligned properly, carefully tighten the two screws that control motor rotation.


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