Originally Posted by JimGolden
Well, that is some sort of "load equalizing hitch," not to be confused with an Equal-I-Zer hitch.
You should have some type of load binder device that hooks the chains from the spring bars to the tongue frame rails.
Man, without knowing what capacity those load bars are, I'd have a hard time advising you much of anything on this setup.
Jim is right you are missing the "binder" thingys that are part of the other part bolted to the A frame tongue. The chains hook on and the gizmo is lifted and locked tensioning the chain.
The purpose of the hitch is to equalize the load but this class is commonly called a weight distributing hitch.
The hitch may be OK, at least until you figure out what you want and/or need. Ditto on the chains. They may be big enough but old and have a lot of tension placed on them. Ditto on the rating of the spring bars.
Take the hitch to a good and older hitch dealer. They will be able to tell you about the spring bars and may have your missing parts.