Chances are your drive is in working condition by now, ready to take the new 12v power supply. So, plug it in and give it a go!

At this point, the speed of the spinning motor may be slightly altered. So let's take care of that in this step.

Locate the adjusting trimpot. There is a chance it comes with silicon coating on top. Break it off gently with your hemostats until you can access the small brass screw with a flat screwdriver.

Load your 1050 diagnostic diskette and adjust the trimpot to the desired speed.