Not being smart, the tool is what makes it that hard. You will need something that fits the hole and the pin you are turning
hope this isn't a stupid question, but its a round peg...not sure what I could use to reach in there and turn that. I'll see what I can do though...sounds like I don't need the tool anyway.
It is not round, for it would not be able to turn it, it would just spin
Like an allen key
It is needed to lower and raise the head, you will surely need it for flushing, for captop change, if the power goes out