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Old 06-13-2019, 01:08 PM   #1
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2001 Islander DP wet tank

Iím hoping someone here may have some ideas that would help a friend of mine. She has a 2001 Islander by National DP. One of her brake air tanks has rusted and is leaking. It is on a Country Coach Dynomax chassis. All of these companies are out of business. She was told Winnebago bought the assets of National/Country Coach but they cannot help her find a replacement tank. This tank had 14 air lines attached and it has two internal chambers.

Does anyone have any ideas on how to source a replacement? Nobody is willing to fabricate one due to the DOT certification needed.

We have hit all of the salvage yards we can find online. Only one (Visone) seemed to have what she needed but wanted $800 and no guarantees that it wouldn't leak either.

Any ideas?
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Old 06-13-2019, 01:17 PM   #2
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She may have to bite the bullet and buy the one or get her's welded
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Old 06-13-2019, 11:53 PM   #3
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Any good TRUCK repair facility should be able to figure out how replace duel tank with two single that tanks. If she at an RV repair facility they are probably clueless how air brakes work.

https://www.easternmarine.com/air-brake-tanks
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Old 06-14-2019, 12:07 AM   #4
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A two chamber tank isn't rocket science , many air systems use them , including my Freightliner.
My air system diagram shows the dual chamber tank with 6 fittings and 10 lines, once you know what the lines feed out to and from which chamber "T"ing off extra lines shouldn't be hard. .
Have you been searching for a replacement, by vehicle or tank dimensions ?
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Old 06-14-2019, 08:28 AM   #5
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National RV or Country Coach did not build air tanks. A quick google search will give you many choices. As posted before Velvac would be a good place to start.


Winnebago did not buy NRV assets.
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Old 06-14-2019, 08:55 AM   #6
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It's too rusted to be repaired.

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She may have to bite the bullet and buy the one or get her's welded
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Old 06-14-2019, 08:58 AM   #7
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It's stranded in their driveway and no local truck places will touch it.

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Originally Posted by chboone View Post
Any good TRUCK repair facility should be able to figure out how replace duel tank with two single that tanks. If she at an RV repair facility they are probably clueless how air brakes work.

https://www.easternmarine.com/air-brake-tanks
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Old 06-15-2019, 12:23 AM   #8
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There should be a Mobile truck mechanic in the area that would be able to replace the tank.
Here is a search that lists many in your are, just start calling until you find someone that will do the repair on-site.

https://search.yahoo.com/search?ei=U...+louisville+ky
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Old 06-16-2019, 10:00 AM   #9
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Air brake tanks

Quote:
Originally Posted by chboone View Post
Any good TRUCK repair facility should be able to figure out how replace duel tank with two single that tanks. If she at an RV repair facility they are probably clueless how air brakes work.

https://www.easternmarine.com/air-brake-tanks

I agree, if one is handy, take it off and take it to a truck facility, or, take a picture of it to show them.

One thing I learned working all my life on heavy equipment, you have to drain the air tanks daily, motor home manuals state that also. Over the years, the rings in the air pumps wear, letting oil into the system, also, moisture gets into the system if you don't have a air dryer, then it lays in the tank and rust starts. National Rv Islanders have a large air system filter under the coach, in front of the right side rear tire. I changed mine about 5 years ago, they are around $100. that's your air dryer. Preventive maintenance is the key to anything mechanical. I would imagine no one has ever changed the air dryer filter.
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Old 12-25-2019, 11:56 PM   #10
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Quote:
Originally Posted by Retiredblade View Post
I agree, if one is handy, take it off and take it to a truck facility, or, take a picture of it to show them.

One thing I learned working all my life on heavy equipment, you have to drain the air tanks daily, motor home manuals state that also. Over the years, the rings in the air pumps wear, letting oil into the system, also, moisture gets into the system if you don't have a air dryer, then it lays in the tank and rust starts. National Rv Islanders have a large air system filter under the coach, in front of the right side rear tire. I changed mine about 5 years ago, they are around $100. that's your air dryer. Preventive maintenance is the key to anything mechanical. I would imagine no one has ever changed the air dryer filter.

I think I need to check mine!!
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