weight dist/stab hitch question

#1
I recently purchased a Keystone Hornet toyhauler that has a weight dist/stabilizer style hitch. The previous owner pointed out that the clamps/brackets on the trailer tongue frame are loose. He claims they should be loose, but I am not convinced. Each bracket has a threaded bolt that looks like it shold be tightened. Advice?
Thanks
Chris
 
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