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Old 12-01-2004, 07:30 PM   #1
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1979 28' Airstream Excella 28
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motorhome air bag modification?

1979 28' motorhome - considering adding a 3/4 to 1 inch flat steel spacer beneath the rear air bags to increase ride height, unit is working correctly now, has anyone tried this?
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Old 12-01-2004, 09:52 PM   #2
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Quote:
Originally Posted by bencbailey
1979 28' motorhome - considering adding a 3/4 to 1 inch flat steel spacer beneath the rear air bags to increase ride height, unit is working correctly now, has anyone tried this?
I can see any problems doing that,but I do ask why?.Thats is one of the reason to run air bags you can adjust the ride hight.
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Old 04-21-2005, 08:36 AM   #3
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(I am adding to this thread as the new thread I posted did not work)
I have a manual fill schrader valve I put in when I removed the compressor last year. It worked great all year and held air in the bags a long time. The ride was much improved.
Now I can't get air into either of the bags. I have not found a leak yet so I figure a line must be clogged.
Can I take the air tank out of the system? Its old and probably rusted inside. Is there any reason to leave it in since I don't use a compressor onboard?
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Old 04-21-2005, 01:12 PM   #4
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Alan,
Does yours have a leveling system at all that transfers air from one side to the others?
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Old 04-21-2005, 02:18 PM   #5
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The only way I can post is to "hi-jack" so: any of you switched radios in your trailer? I would like one with a CD stack.

Please tell me what you did/bought.
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Old 04-21-2005, 07:07 PM   #6
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Alan,

The tank acts as a buffer on your bags. If you remove it then there will not be anywhere for the bags to draw more air if they are down. The leveling valve will open and nothing will happen.

You can run like this, but I would check the bags each day prior to leaving and make sure they are full.

The Air Ride system is supposed to adjust as we load and unload the coach. Mine come on after I fill the fuel tank, or if I have filled the water tank. It will dump air as needed when I burn the fuel or dump the tanks.

Tanks can be had for a small price on Ebay, so can compressors if you keep looking. If you add a compressor be sure to get one rated at Minimum 25% duty cycle to assure a long life.
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Old 04-22-2005, 06:18 AM   #7
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I do have the levelling system and since I don't have the compressor I guess I was thinking that the tank was not doing anything. I think I will pull it, and see if I can clear the lines then replace the tank.
I can't go with the compressor right now too much other stuff on my plate. My ride was so nice all last year, its not horrible now, but the bags are too low to do their best job.
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Old 04-22-2005, 12:34 PM   #8
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The first thing to check is the check valve on the output of the tank. If it is clogged that is where all of you troubles could be.

On thing that the owners manual says to do, and I know I do not do it, is to purge some of the air out of the tank each month. The schrader valve is normally at a low point and the condensation that will build up in the tank eats it from the inside out. Your problem may be that the valve is just gooked up form rust and crud
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Old 04-22-2005, 12:36 PM   #9
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Will do. I will check this out.
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Old 04-22-2005, 10:12 PM   #10
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If you have a check valve at the output side of the tank, How can the tank act as a buffer? The check valve stop the air from going back into the tank. You lost Me on this one.
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