https://www.etrailer.com/tv-review-convert-a-ball-cushioned-5th-wheel-adapter-CABC5G12.aspx
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installation instructions and specs for complete information.
Today we are going to install part number CABC5G12 from Convert-A-Ball. We are going to install this on our fifth wheel trailer we have here. This will act as an adapter between the fifth wheel pin box. The gooseneck hitch gets located in the bed of the truck. This is the collar that gets installed on the fifth wheel itself. You can see there are these three little set screws and these fit into the groove of the king pin itself. To install this what you have to do is take the set screws and back them out all the way. This requires the 3/ 8 hex bit too to do this. Before we install this there is some stamping on the collar that tells you which is the top side that faces towards the front of the trailer. 00:36
Orient that the correct way then we will tighten down our bolts. We have got this going towards the front of the trailer and on top and we will just get our set screws started. You want to tighten these down all evenly. When you have all of these tightened down they should all be sunk in about equal. If you get a thread or two hanging out you probably want to start over and try again. The next thing we need to do is take out these set screws here and back them out all the way also. What these screws do is they clamp on to the collar we just installed. When we install our adapter there is a sticker that tells you which way goes towards the front of the trailer itself. Obviously it says front. Then that will also help orient the screws. When we install this it is a good idea to have an extra set of hands to help hold it up in the air. It gets kind of heavy pretty fast. 01:24
Once you have it loosely installed check it and make sure it is square the way you want it. Once you have it the way you want it push it all the way up and then tighten down the cap bolts. Once you have it the way you want it and tightened down, torque down the bolts as specified in the instructions. Now we will take these jam nuts and tighten them down to lock everything in place. Before we hook up we will show you the quick operation of it. Basically we have it in an open position. To move it to the lock position push up on the lever and go forward and it springs back down into place. When we hook up we will need that in the open position. Lets get our safety chains so they do not drag then we will back it underneath the trailer. Lets lower our trailer on to the ball and make sure the latch is open. We will lock it and take our safety chains and connect to our safety chain loops on the hitch. As you can see as we are driving around doing some S turns you can see how it rotates with the trailer and it also takes out a little bit of the shock when you hit some of the smaller bumps and probably some of the bigger bumps too. So far our test drive is working just fine. I think that will finish our install of part number CABC5G12 from Convert-A-Ball cushioned fifth wheel to gooseneck adapter.
Scotty Kilmer, mechanic for the last 46 years, shows how you can remove those stuck nuts and bolts when working on your car. Don’t blow your head gasket trying to remove them, just use a little heat as this video shows. And, If you like my car help, be sure to watch my live car talk show every Saturday morning at 10 AM CST on YouTube. I answer your car questions LIVE there. Just check it out at https://www.youtube.com/watch?v=VognjkYaMjg&list=UUuxpxCCevIlF-k-K5YU8XPA&feature=c4-overview . And remember, every TUESDAY I upload a new video, so don’t miss them.