Adjusting Locking Arm on Rotary Fixture - Universal Lasers

If you are having trouble with the locking arm on the adjustable side of the rotary fixture an adjustment can be made to the bottom side of this portion to ensure a better locking force is applied.  To complete this adjustment you will need a 1/16" Hex Wrench. This process will take between 5-15 minutes. 

Begin with the rotary fixture removed from the laser system, set on a flat table.

Remove the two hex head screws from the thinner side of the rotary fixture and set the metal plate to the side:

With the metal plate removed and the locking arm unlocked, slide the locking portion of the fixture down and out of the tracks.:

Flip the locking portion of the fixture upside down and examine the bottom. In the center you will see two items of note, a black thumb screw and a locking nut connected to it.:

  

This black thumb screw is what presses into the track causing this portion of the fixture to lock in place. "loosening" this will expose more of the thumb screw, increasing the clamping force. "tightening" this will reduce the clamping force. 

Make your necessary adjustments, ensuring you re-secure the lower locking nut when you reach the desired position.

Ensure the locking mechanism is in the "unlocked" position, then slide it back into place along the black tracks so the rotary portion is in the correct orientation.

Once the locking portion is back in the tracks now is a good time to ensure the clamping force you adjusted is sufficient to lock the fixture in place.

Replace the metal plate and two screws at the end of the thinner portion of the track.

The rotary fixture should now be ready for use.

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