I dont know that the center beam would come into play. However, after using my pole on the I-20, I found that the rivets simply did not have the strength they needed for the enormous loads....sooooo..with some patience I used 1/4" bolts with nylock nuts...isolated with plastic washers to impead the alum/stainless problem. If you tape a wrench on the end of your hot stick, that should work.
When using the pole, DO NOT LET the pole bottom out against the Dolphine striker, that creats a large fulcrum and can pull the rivets right out...and quick!
Hope this helps....