Diesel,
What supplier was that?
That's an awful lot for that controller.
I'm glad you got a copy of the TM, I was wrong on the gap, I said 1/4 inch when in fact it is 5/16 (been a while)
I've seen that condition before where the actuator catches, pops off, and then catches again, usually it is just a rod adjustment, that is if the magnet pull off weight is set properly.
I have several controllers but after viewing your video, your set sounds good.
Nice smooth increase in speed when load is applied and nice decrease in speed when load is dropped and no surge in speed or lag in speed when load is applied or removed.
Nice Job!