Meade Microfocuser adjustment

Could not find any written information on how to adjust the Meade #1209 Zero Image-Shift Microfocuser online or in videos. The instructions only mention adjustments to be done by a factory trained technician.
ZWO EAF modification RUclips video link I went by; • Ep 038 - How to Make a...
I went to the site he listed to get the drawing file for the 3D print. I then got a local 3D print shop to make the part. Cost was $15 as I recall.