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Old 09-05-2012, 03:20 PM   #393
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Originally Posted by idroba View Post
Let me clarify my post on an angle hookup. It the angle you hook up is close to the angle you unhooked up from, there is no adjustment needed of the ball. It is only if you unhook at a significantly different angle than you hook up at that you need to make any changes.
YES, this is what I was trying to say too..
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Old 09-05-2012, 04:52 PM   #394
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OK, I think I may have got it finally. After you lower the trailer onto the ball can you still rotate the ball shaft from below ( using the screwdriver method) in order to bring the shaft into alignment with the plate ????? Or would this rotation need to be done before the tongue weight is applied ????
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Old 09-05-2012, 05:06 PM   #395
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Polarlyse:

It would be easiest if it were done with very little tongue weight as the tongue weight engages the sway friction material. So, drop the coupler on the ball, use the jack to hold the tongue weight off the ball, rotate it so the plate holes and ball holes lines up. Alternatively, adjust the ball pin location prior to coupling up. It only needs to be close to parallel to the trailer front, not perfect. The chains will do the final positioning.
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Old 09-05-2012, 05:31 PM   #396
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I have not read every post in this thread so maybe i missed the answer to my question. Sorry if I did.

With the Andersen hitch it appears to me all of the weight transfer/equalizing forces are passed directly through the ball on the tv and the coupler on the AS. Is this correct? And if so, is anyone worried about the age and strength of the couplers on some of the older ASs? The chains and adjustment feature just facilitate the adjustability of the system. Right? I am not knocking the system, but just trying to understand how it works. Thanks,

Stan
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Old 09-05-2012, 05:32 PM   #397
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OK, I got it. I think. Thanks for clearing this up for me. I'm still interested but they haven't gotten back to me yet.
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Old 09-05-2012, 05:39 PM   #398
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Quote:
Originally Posted by polarlyse View Post
OK, I think I may have got it finally. After you lower the trailer onto the ball can you still rotate the ball shaft from below ( using the screwdriver method) in order to bring the shaft into alignment with the plate ????? Or would this rotation need to be done before the tongue weight is applied ????
I would do it before, as the more weight the greater the resistance... But this would only need to be done if your hook up angle is different than you take of angle, and even then you can loosen the chains a little and still get it hooked up without straightening it out..
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Old 09-05-2012, 05:45 PM   #399
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Originally Posted by SLNugget View Post
I have not read every post in this thread so maybe i missed the answer to my question. Sorry if I did.

With the Andersen hitch it appears to me all of the weight transfer/equalizing forces are passed directly through the ball on the tv and the coupler on the AS. Is this correct? And if so, is anyone worried about the age and strength of the couplers on some of the older ASs? The chains and adjustment feature just facilitate the adjustability of the system. Right? I am not knocking the system, but just trying to understand how it works. Thanks,

Stan
Since there is NO movement on the ball or coupling they will NEVER ware out. Yes there is a force applied at the ball coupling interface but that is a static force well below that which would cause any concern.

The chains pull the ball against the rear of the coupling while appling the force to the shank of the hitch which in turns reduces the load on the rear axle and increasing the load on the font axle.

So far the only point of ware I can see is the brake lining material in the hitch and Andersen has stated that is covered under warranty.
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Old 09-05-2012, 06:20 PM   #400
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Old 09-05-2012, 06:36 PM   #401
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Not to be arguementative, but, it is not possible for there to be no movement between the ball and coupler IMHO. There may be no rotational movement, but, I think there will be movement when the tv and trailer go over different levels. An extreme example would be a speed bump. Am I incorrect in this assumption? My concern are the forces acting on the coupler. Most were not designed to have force applied to the rear of the "pocket" and locking mechanism, rather to withstand a pulling force against the front of the "pocket". I am trying to like the Andersen but these are some of the reservations I am having.
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Old 09-05-2012, 06:57 PM   #402
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Originally Posted by SLNugget View Post
Not to be arguementative, but, it is not possible for there to be no movement between the ball and coupler IMHO. There may be no rotational movement, but, I think there will be movement when the tv and trailer go over different levels. An extreme example would be a speed bump. Am I incorrect in this assumption? My concern are the forces acting on the coupler. Most were not designed to have force applied to the rear of the "pocket" and locking mechanism, rather to withstand a pulling force against the front of the "pocket". I am trying to like the Andersen but these are some of the reservations I am having.
You're correct, just like a PP or HAHA, there is no rotational movement, but there is vertical movement.
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Old 09-05-2012, 07:52 PM   #403
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Originally Posted by SLNugget View Post
Not to be arguementative, but, it is not possible for there to be no movement between the ball and coupler IMHO. There may be no rotational movement, but, I think there will be movement when the tv and trailer go over different levels. An extreme example would be a speed bump. Am I incorrect in this assumption? My concern are the forces acting on the coupler. Most were not designed to have force applied to the rear of the "pocket" and locking mechanism, rather to withstand a pulling force against the front of the "pocket". I am trying to like the Andersen but these are some of the reservations I am having.
If you read the post from actual owners you will see that this is truly not an issue. Yes, there is some movement, but it is very little and no damage of any kind has been contributed to the Andersen. Also I would suggest that if you have not already done so check out the videos on the Andersen site.
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Old 09-05-2012, 08:22 PM   #404
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Quote:
Originally Posted by SLNugget View Post
My concern are the forces acting on the coupler. Most were not designed to have force applied to the rear of the "pocket" and locking mechanism, rather to withstand a pulling force against the front of the "pocket". I am trying to like the Andersen but these are some of the reservations I am having.
This has been covered numerous times in this rather lengthy thread. Couplers are not designed stronger in one direction vs another. If you think of it, as a TV and trailer are going downhill, with no brakes applied, the trailer is pushing the TV from the rear of the ball. If the TV is braking the and there are no brakes on the trailer (very common in the real world, especially with horse trailers and their couplers) the trailer is pushing even harder on the rear of the ball. We back up trailers also, that puts forces on the rear of the coupler. Couplers can take forces on their rear components.


And yes, couplers do wear out like everything else. However, as was pointed out a few posts ago, the movement in the coupler is very minimal, to the point that Andersen does not even recommend grease on the ball (I put a little on anyway because of the small pitch and yaw movements on the ball).

I am personally content that the coupler will take any load that the Andersen imposes on it and will not suffer, nor fail prematurely or in any catastrophic way.

In addition, in the exceptionally unlikely event of failure of the rear locking mechanism of a coupler, the only thing that would be lost is the weight distributing characteristic of the hitch. The tongue weight would still hold the trailer on the ball. The WD chains would still be there to do the pulling, as well as the ball itself.

The rear coupler forces are a non issue in my mind.
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Old 09-05-2012, 08:26 PM   #405
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SLNugget it is important to check the condition of your coupler occasionally no matter what hitch you are using.
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Old 09-05-2012, 09:03 PM   #406
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Check post #318 for pictures of wear on the ball. Yes there is a little movement but not much..
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