Oh pls lets not go by sandys word lol
Been trying to find out what the "average settings" would be for the pump jack in a situation like this, but it's been difficult, not sure if anyone has an idea
I found this which just gives a basic understanding of the pump really
http://highspeedcharging.wordpress.com/2011/05/03/day-in-the-life-of-a-pump-jack/