Homemade 20 ton hydraulic press

[stevec]

Here's a couple of pics of my 10 ton I beam press.
       
I was having some problems with it going out of alignment sort of like a mouth opening wider and wider. So I added a couple of compensatory (if you think that's not a word you can apply for a copy of the stevec dictionary by PMing me) measures.
In it's old carnation (see above), back in Ontario, I didn't get the perspective seen in the pics above but after the move to Nova Scotia , when I was putting it up on the wall because I needed it, I noticed the arc I had put in the I beam in it's years of use.
I'm thinking my pump/cylinder is capable of more than 10 tons and I'm sure it has nothing to do with the 4 foot "cheater" pipe I used on the pump handle (I only used that to get my body further from the point of explosion about to happen.)
I don't know whether or not to drill equivalent pin holes on the back side and flip it around and then limit the tonnage once the beam is straight again.

P.S. the compensatory measure up top is missing one of it's 5/8" dia. anchor pins.