Air Lockers - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 29 (permalink) Old 07-15-2005, 08:57 PM Thread Starter
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Air Lockers

Can someone explain to me how these work... Just curious :shrug:

Phil
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post #2 of 29 (permalink) Old 07-16-2005, 04:43 AM
 
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You have two gears, one running inside of the other with a sleeve between the two seperating them. One gear is connected to one axle shaft and the other gear is connected to the other shaft. When air is supplied a third gear that is part of the sleeve slides in between the gears on each axle shaft so that they are now effectively one unit.

That is a REALLY simplified way to explain the principle of one, they function about like lock in/lock out hubs do and just move a gear or pin to lock the diff together.

Duke, you have played with a few, care to step in and tell us more details and specifics?
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post #3 of 29 (permalink) Old 07-18-2005, 01:31 PM Thread Starter
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All I've ever seen we're Pics of it...I couldn't figure out how the Air got to the Gears ..that we're rotating??

Phil
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post #4 of 29 (permalink) Old 07-18-2005, 02:30 PM
 
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I know the principle behind it Phil, but I have never installed an ARB so that part of the question I can only guess at.

Ohhh Duke????? Your name is being called.
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post #5 of 29 (permalink) Old 07-18-2005, 02:35 PM Thread Starter
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I get the Concept of the Locker part..I guess my question is how the Air lockes it??? Thats the part I don't get, with alll the parts turning in there..I guess I'd just have to see one to know??

Phil
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post #6 of 29 (permalink) Old 07-18-2005, 02:44 PM
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I am guessing here Phil but would it not be like pin that is normaly retracted with the pressure of a spring. But when you pressurize the line, the air pressure overcomes the spring pressure and pushes the pin out causing the gears to lock together. I would imagine all this would take place stopped instead of on the go. I am just guessing here. It might be kind of like air brakes on a big truck. :shrug: Dude those ARBs are high. If I did do one I would go ARB in the back and a lockrite in the front. The fronts you can turn the hubs out anyway right. I will warn you though if you lock the CJ you might force me too lock the Yota unless I can find a jeep by then.
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post #7 of 29 (permalink) Old 07-18-2005, 02:55 PM Thread Starter
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I seen one the other day and it worked real smooth..Just curious how it worked???

I figured that the Air pressure would push the Gears together...I just couldn't get it thought my head how it pushed it with the entire unit spinning?

And no Den not one for the CJ...I can barley afford a Lincoln locker for it...

Phil
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post #8 of 29 (permalink) Old 07-18-2005, 03:59 PM
 
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Okay, I did some looking around and THINK I have a clue.

Picture an air hose reel, it rotates and still holds air pressure at the seal right? An ARB has to have a similar deal on the end of the carrier away from the ring gear to transfer the air to the internals of the unit. Once in there it works a piston to move the aforementioned gear.

Clear as mud??
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post #9 of 29 (permalink) Old 07-18-2005, 04:17 PM Thread Starter
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O.K. .I guess??

Phil
[B]2003 GMC 2500HD
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post #10 of 29 (permalink) Old 07-18-2005, 11:57 PM
 
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How about like the CAD unit in a dodge front end? It has a shift fork in a collar, the fork moves with vaccume, and pushed the spinning collar?
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