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Old 03-08-2015, 04:14 PM   #29
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I bought Centramatics over the winter and brought the Airstream home today to install them. I was not really happy with their bolt holes; they did not line up exactly. I hammered them on with a rubber mallet but I was concerned about galling threads. In the end, they went on with no problems. Those darn tires and wheels are heavier than you might think. I used to pull wheels on my cars without the effort needed to get these on and off. Hope it was worth the effort.
Larry
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Old 03-08-2015, 04:26 PM   #30
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I have centramatics on the 360. Love them, effective, and awesome.
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Old 05-25-2015, 09:26 PM   #31
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I have seen on some sites (airstream Life) that Centramatics should not be used on Never-lube axles, post 2010 AS. Can anyone confirm or debunk that?


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Old 05-25-2015, 10:03 PM   #32
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I have seen on some sites (airstream Life) that Centramatics should not be used on Never-lube axles, post 2010 AS. Can anyone confirm or debunk that?


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Oh. I've been planning to use Centramatics on the 2016 International we have on order. I'm looking forward to the conclusive word on go or no-go.
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Old 05-25-2015, 10:18 PM   #33
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Centramatic 300-356 all A plates for 16" rims or 200-221 Special for 15” rims (both sizes are $199.00)

I have Centramatics installed on both the trailer (300-356 all A plates on the 16" SenDel wheels) and the Ram tow truck (300-318).

I started using them on my Honda GoldWing motorcycle. Never balance the motorcycle tires any more. Within about ten feet, the wheels are in perfect balance.
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Old 05-25-2015, 10:31 PM   #34
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I used them on Old Lucy for 60,000 miles. They have been on New Lucy with her Nev-R-Lube hubs for the last 8,000 miles.

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Old 05-26-2015, 09:32 PM   #35
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Today I called AS Tech and they know of no reason that Centramatics should be avoided on new Dexter axle, but suggested I call Dexter, which I did. Their engineers were concerned about anything mounted between the wheel and hub possibly causing the wheel to loosen. (We all agree lugs should be torqued/checked regularly). Dexter engineer agreed that reduced/no vibration on hub and axle was preferable to unbalanced situation. AS Life guys are at Alumapalooza so not available to comment on their warning in advertisements. My conclusion is that there doesn't appear to be reason to think they would be incompatible with newer axles.


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Old 05-26-2015, 10:06 PM   #36
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Originally Posted by BHBadger View Post
Today I called AS Tech and they know of no reason that Centramatics should be avoided on new Dexter axle, but suggested I call Dexter, which I did. Their engineers were concerned about anything mounted between the wheel and hub possibly causing the wheel to loosen. (We all agree lugs should be torqued/checked regularly). Dexter engineer agreed that reduced/no vibration on hub and axle was preferable to unbalanced situation. AS Life guys are at Alumapalooza so not available to comment on their warning in advertisements. My conclusion is that there doesn't appear to be reason to think they would be incompatible with newer axles.


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Thousands of miles... no 'loosening' or obvious/apparent reduced 'clamping' effect.
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Old 05-26-2015, 10:42 PM   #37
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The Centramatics Thread

Quote:
Originally Posted by BHBadger View Post
Today I called AS Tech and they know of no reason that Centramatics should be avoided on new Dexter axle, but suggested I call Dexter, which I did. Their engineers were concerned about anything mounted between the wheel and hub possibly causing the wheel to loosen. (We all agree lugs should be torqued/checked regularly). Dexter engineer agreed that reduced/no vibration on hub and axle was preferable to unbalanced situation. AS Life guys are at Alumapalooza so not available to comment on their warning in advertisements. My conclusion is that there doesn't appear to be reason to think they would be incompatible with newer axles.


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I tend to agree with your view here, but it's nagging at me that a company who could add to their bottom line by declaring their product is compatible with Airstreams with Dexter hubs doesn't come out and say that. They must be concerned about something (with that zero offset...?).

On the Airstream Life store, the warning (pasted below) actually predicts bearing failure. There has to be some reason they're not supporting this...

Important: Centramatics should not be used on Airstreams with Dexter "Nev-R-Lube" bearings, because the change in wheel centerline position will eventually result in bearing failure. Starting in the 2010 model year, Airstreams 25 feet and longer have been factory-equipped with Nev-R-Lube bearings. If you arenít sure what sort of bearings are installed, check with Airstream by calling 937-596-6111 or ask your local Airstream dealer before ordering.
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Old 05-26-2015, 10:58 PM   #38
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I like CM and use them, but if I were SPECIFICALLY warned against them, I'd forego it.

At the same time, DEXTER doesn't like torsion axles for tridem setups. Despite thirty or more years of A/S success with same. Or that shock absorbers aren't needed.

So it's with a grain of salt that warning. These aren't wheel spacers, nor is maintaining lug nut torque value difficult. That value doesn't change is my experience.

But I'm not using their axles, either.
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Old 05-27-2015, 07:17 AM   #39
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I am unaware of anybody (auto mfrs., etc.) that would approve of anything between the wheel and hub.....you know....the liability thing. And perhaps justifiably so. That said, I have never had an issue with lug nuts loosening, with or without CMs.
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Old 05-27-2015, 08:24 AM   #40
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I suspect that this is the " Lawyers Talking" here and not from any direct testing.
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Old 05-27-2015, 09:57 AM   #41
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From an earlier post:

"Important: Centramatics should not be used on Airstreams with Dexter "Nev-R-Lube" bearings, because the change in wheel centerline position will eventually result in bearing failure. Starting in the 2010 model year, Airstreams 25 feet and longer have been factory-equipped with Nev-R-Lube bearings. If you aren’t sure what sort of bearings are installed, check with Airstream by calling 937-596-6111 or ask your local Airstream dealer before ordering."

This is based on Dexter's recommendation some time ago. It is the offset of the wheel on their Nev-R-Lube bearing that is designed to operate with zero offset that concerns them. And us, we travel far from home much of the year and look for keeping our truck and Airstream as reliable as possible.

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Old 05-27-2015, 10:01 AM   #42
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Ah, Cheryl, that point has been brought up before. Here's my take. Yes, the addition of Centramatics does change the offset of ANY KIND of bearing set. But we're talking about ~.040". That would likely put little additional load on the outer edge of the outer bearing. I have been running CMs with my Nev-r-lubes for about 15K with no problems......yet, anyway.

I really think it is a non- issue for any bearing set with the very little offset introduced. Not sure why Dexter would be soooo anal about it.
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