Found these while making a few repairs...

Re-synchronizing your Schwintek slides:

https://www.youtube.com/watch?v=hSafAnjxIV4

Getting your Schwintek slide in when the motor fails:

https://www.youtube.com/watch?v=xojUdPDWNS0

Lubing the Schwintek Motor Coupler and Gib:

https://www.youtube.com/watch?v=8KbVRFMo1Rg

How to Properly use the Automatic Leveling-Up System;

https://www.youtube.com/watch?v=zJLFoZfY1Hs

Lippert Bearings:

https://www.youtube.com/watch?v=CWzoYdHUDOM