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Nu Way Air Ride

Posted By acar59 Monday, February 21, 2011 11:54 AM
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acar59
 Posted Monday, February 21, 2011 11:54 AM
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Does anybody have a Schematic for the Airline hook ups for Nu Way Air Ride system used on a 1972 Autocar A64B?
kblackav8or
 Posted Monday, February 21, 2011 7:03 PM
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acar59
 Posted Tuesday, February 22, 2011 1:18 AM
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Yes it is Neway.

The link shows the structure & bag parts, But I could not find a plumbing schematic for the lines & valves.

What is happening is that I only have have air in the bags on the left side of the truck. There appears to a number of varius parts that the airlines go to/through besides the 2 leveling valves. I am trying to understand what they may do as well as diagnose/repair the problem.

Thanks

Acar59
wayne graham
 Posted Tuesday, February 22, 2011 7:49 AM
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The problem is you do not have the valves adjusted equally. one is ahead of the other so it is not calling for air. If it were mine I would eliminate one leveling valve and just use one as the newer trucks do. It is a never ending hassle to try to keep this set-up adjusted. Wayne
acar59
 Posted Tuesday, February 22, 2011 5:32 PM
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Ok,

But what are all the other parts that the airlines are hooked to, & what do they do?

There is a unit on the right side with some wires going to it & also some kind of splitter or valve in the line between the 2 height valves.

These parts are in addition to the tees on each side for splitting the air to the tandems.

Thanks,

Acar59
tundra
 Posted Tuesday, February 22, 2011 5:49 PM
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sounds like cab actuated ;;dump valves;;

jim k tomer .......the altar boy
John_Costley
 Posted Tuesday, February 22, 2011 11:44 PM
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tundra (2/22/2011)
sounds like cab actuated ;;dump valves;;


Yup, dump valves.

Acar,

The problem is that the plumbing was done by the truck manufacturers, not by Neway.Theres a few different ways to do it, neway left it up to the truck builders to pick their version.

There are a few different folks on here that run two valve neway, at least one has it on a newer Acar.Make a post in the Roadkill cafe, titled "need help with Acar airride plumbing" or something like that, then tell them about this thread.Alot of folks only go to the roadkill.John
wayne graham
 Posted Wednesday, February 23, 2011 5:18 AM
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A-Car, I will try to explain. Just look at it that air comes from air tank to leveling valve and from there to all four bags. It does not matter if they are in a loop or teed side to side as long as they get air. The electric dump valve goes between the leveling valve and the bags. When closed it lets air go straight through to the bags. When ope it stops air to bags and exhaust port releases the air in the bags. When dumped the leveling valve is blocked and when released air is free to raise the suspension. I probably have not done this justice but I cannot emphasize enough the need to run only one leveling valve. That is my thoughts on this hope I have been of some help to you. Wayne
glenn akers
 Posted Wednesday, February 23, 2011 6:08 AM
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I have messed with the duel and single leveling valve and the single is more trouble free. I would have to say if the duel valves was working proper and adjusted proper they would be more stable.

glenn akers
Flynpenguin
 Posted Wednesday, February 23, 2011 8:25 AM
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Unless you will heavy hauling, a single valve is much easier to deal with.  I ran single valves on all my transfers and non-lowbed trucks. The only problem I found using a single valve is the air will transfer to the high side if you are going slow on a cambered corner. On level ground, my Superliner with Neway ran 90# of bag air pressure with 47000 # on the drivers. With a valve on each side and going down hill slowly, the low side would run up to 120# and the high side down to 60# to stay level. I also ran QR valves between the leveling valve and the bags on all the trucks. The faster dump rate really helps keep everything nice and level. And the bags don't shoot out to the top when the end gate or bottom dump gates open.



Kelly Shane

"Be wary of strong drink, it can make you shoot at tax collectors..... and miss"

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