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As a factory rep for Andersen Hitches I have joined the forum to help inform, educate, and assist in any way possible with our products. As for the Weight Distribution hitch (WD) it is very unique in the industry and designed to not only distribute the tongue weight of the trailer but also reduce sway and bucking. Oliver does a great job of installing this hitch on their trailers utilizing our chain extensions. By understanding how the hitch works will help you use it properly and tow safer. Weight Distribution The weight distribution is accomplished by the force of the chains pulling the triangle plate backward and the coupler of the trailer pushing the ball forward. This works very similar to a cable suspension bridge. We have to build the bridge between the truck and trailer and then put the weight down so the hitch can do its job. If the hitch is installed properly, hooking up is a cinch. Simply lock the coupler on the ball, then using the trailer tongue jack lift the tongue a couple inches. The triangle plate should be attached to both chains and easily swing up and attach to the bottom of the ball assembly with one pin, insert the pin on the triangle plate then tighten the nuts on the back of the chains. The number of threads showing is not as important as them being equal on each side, having both chains tensioned with an equal number of threads showing is desired. Once the chains have been tensioned retract the trailer tongue jack to transfer the weight to the vehicle. With the full tongue weight on the tow vehicle the red urethane bushings should have a slight bulge to them and the chains should be very tight. (The bigger the bulge the more weight is displaced) When the trailer is straight the tringle plate should also be straight. Anti-Sway The design of this hitch allows for an active sway control which is accomplished through the ball assembly. Once the trailer is hooked up with a slight bulge in the red bushings the ainti-sway can function properly. When the trailer turns, the chains will pull and rotate the tringle plate with the ball it is pined to inside the ball housing. This housing and ball have a slight cone shape that prevents the ball from coming out of the bottom of the housing. There is a friction material sandwiched between the ball and the housing that provides a smooth quiet ride. (If yours is making noise when turning see the known issue thread for warranty info.) The best part is you don’t have to worry about doing anything once it is hooked up properly, the aint-sway will do its job. Oh Yah, because of the ball turning in the housing instead of in the coupler there is no need to grease the ball or to unhook anything when you back up, it will not damage the hitch or trailer. With any hitch it is possible to jackknife a trailer so please don’t turn so sharp in reverse that the trailer contacts the bumper of the tow vehicle. Anti-Bounce Normally when pulling a trailer when the vehicle hits a bump in the road it bounces then the trailer hits the same bump and bounces causing more bouncing in the vehicle, this back and forth bouncing can continue for quite a distance after the bump. This is known as bucking and chucking which creates extra wear and tear on everything and often discomfort and fatigue to the passengers. With a traditional WD hitch they utilize tempered steel bars (AKA giant springs) to distribute weight. When driving over bumps these spring bars act like a diving board and exaggerate the bucking and chucking even longer than having just a ball. That is the Job of the red urethane bushings on your Andersen Hitch they work like shock absorbers dampening the bums and bounces between the trailer and vehicle. Disconnecting To unhook try to get the vehicle and trailer straight, then raise the tongue enough to release the weight from the tow vehicle, loosen the nuts on back of the chains, pull the pin on the triangle plate and let the plate swing down. Now you can raise the trailer off the ball and you are good to go.