The video below walks you through how to adjust and level the material support table on the PM-8000 Portacube.
Here is the transcript below:
The PM-8000 Portacube has material support tables that are raised to match the height of the miter saw. These need leveling during setup to ensure they match your miter saw.
First, loosen the three screws on each side of the material support so the latch can be adjusted. Make sure to repeat for both sides
Check if the factory setup can be adjusted to match the miter saw. In this case, it does not.
To adjust the height further, remove the three screws for the latch. Repeat this on both sides.
Adjust the support table to approximately the needed height so the latch brackets are aligned correctly. We will dial this in later.
Next, move the washers to line up with the new locations for the screws. A small flathead screwdriver works well for this. As before, repeat on both sides.
Once one washer is lined up, you can loosely install one of the screws to keep the bracket secure.
Make sure to check the table for height to ensure it does not change while working on the adjustments.
Loosely re-install the screws once the washers have been relocated. Repeat this for both sides.
Re-check height and levelness and adjust as necessary.
Once level and at the correct height, tighten all screws
To ensure it's as accurate as possible, re-check the levelness after a few screws have been tightened to assure this did not change the height.
Finishing up, complete tightening screws, then collapse the support table and reset it to verify it is set correctly.