Pile driving up close - GIF

Pile driving up close.

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Previously:

https://www.homemadetools.net/forum/...985#post226751
https://www.homemadetools.net/forum/...130#post233381
https://www.homemadetools.net/forum/...950#post175737
https://www.homemadetools.net/forum/...887#post164046
https://www.homemadetools.net/forum/...598#post162794

Always one of my favorite machines! I guess the guy on the ground is there to shut off the diesel injector? Why does it go on at the end?

What is the guy pulling the rope doing?

I suspect he is controlling the diesel injector.