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Old 02-14-2018, 11:42 AM   #1
Mini-Skoolie
 
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Air Dryer

Has anyone upgraded their air dryer at at least changed the element? Or do you have an air dryer?

I have the Bendix AD-2. Here are my options:

1- Change the element for 50 bucks and clean and service the old unit
2- buy a new AD-9, Haldex, or similar for a few hundred bucks

Can anyone chime in here to what is the stander procedure. Any suggestions and newer models? Problems?

Thanks,
Jay
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Old 02-14-2018, 11:51 AM   #2
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I'm still looking for my dryer on my TC2000.... I know it has one because its on the build sheet! And I know it doesn't work well.

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Old 02-14-2018, 01:28 PM   #3
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Can the air-dryer cartridges be regenerated?

If they are silica-based then getting them to 250F for a few hours should save $50
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Old 02-14-2018, 01:41 PM   #4
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I don't care to spend the 50 bucks, instead of cooking my current element. I'll have it open anyway. I'm just looking for those who have purchased a new air dryer and the good/ bad.
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Old 02-14-2018, 02:00 PM   #5
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I have an AD-9 on my bus and I personally have not changed the cartridge in it. When I do decide to do it there are a lot of how to videos and instructions out there.
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Old 02-14-2018, 03:25 PM   #6
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In route service, we change the cartridge yearly. Any oil blowby from the compressor will ruin the desiccant, making rejuvination require more then just popping it into an oven for a few hours. Just get a reman one and you don't have to worry about it. Follow the instructions for maintenance intervals on bendix's website if you're unsure of how often to service.

On that note, I've never changed mine on my bus. The air tanks are always dry so I don't see a need to spend the money.
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Old 02-14-2018, 03:41 PM   #7
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Quote:
Originally Posted by Booyah45828 View Post
In route service, we change the cartridge yearly. Any oil blowby from the compressor will ruin the desiccant, making rejuvination require more then just popping it into an oven for a few hours. Just get a reman one and you don't have to worry about it. Follow the instructions for maintenance intervals on bendix's website if you're unsure of how often to service.

On that note, I've never changed mine on my bus. The air tanks are always dry so I don't see a need to spend the money.
The most I ever get is a slight "misting" when I open the wet tank.
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Old 02-14-2018, 05:11 PM   #8
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Quote:
Originally Posted by Booyah45828 View Post
In route service, we change the cartridge yearly. Any oil blowby from the compressor will ruin the desiccant, making rejuvination require more then just popping it into an oven for a few hours. Just get a reman one and you don't have to worry about it. Follow the instructions for maintenance intervals on bendix's website if you're unsure of how often to service.

On that note, I've never changed mine on my bus. The air tanks are always dry so I don't see a need to spend the money.
I agree no misting or dripping on tank drain let it be misting or dripping reman cartridge
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Old 02-14-2018, 06:31 PM   #9
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At my shop we service the air dryers annually. These are not too difficult to service and maintain, but upgrading to one with the spin on filter would save way more time down the road.

brokedown, to find the air dryer, simply follow the stainless steel air line (some may be copper or steel) that comes right off the compressor and it goes right to the dryer.
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Old 02-14-2018, 07:01 PM   #10
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Mine is behind the mudflap on the rear end driver's side. That doesn't make sense to me because the air dryer is physically closer to the third tank than it is to the wet tank. Then again if that air dryer was mounted right under the driver it might cause the driver to develop a twitch over a period of time.

Absolutely no hint of water in the wet tank by the way.
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