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Old 07-05-2015, 04:53 PM   #15
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Quote:
Originally Posted by BFlinn181 View Post
In the photo I think you have your drain valves. I believe they are pneumatically triggered valves that are connected to your compressor. When the compressor reaches maximum pressure and shuts off, a blast of air is sent through the lines and triggers a short bleeding of air/moisture from the tank. If your desiccating filter is working on your compressor, there shouldn't be much moisture in the tanks.

The ACT is the side the actuating air line is connected, the EXH is the exhaust where air and moisture dumps out.

In this photo of bleeder valves, one similar to yours is C. The first air brake equipped bus I drove, a '62 GM, had valves like A. After each trip I had to crawl under and 'turn the tap.'
My RV has valves like B. I can access the pull cables from my LP tank hatch.

I believe you are correct, it has been a long road to this discovery, neither the Fleetwood manual or the Gillig manual show these valve, and both initials swore there should be manual; pull valves like your picture B
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Old 07-06-2015, 12:46 PM   #16
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I got a response from American Coach this morning.

So even though Gillig says this.



American Coach says.

"Glenn,
That system is not a Fleetwood system. The chassis manufacturer provided all the suspension pieces and parts. The emergency air inlet is always located in the Front roadside bay. That comes with the chassis and we mount it there on all coaches thru 2015.
I understand Gillig said itís Fleetwood that but it is not a correct statement. Fleetwood does not install anything in the air tanks.
Iím sorry but I have no information on any of the items you are working on. I wish I did but that one is all chassis.
Regards"
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Old 07-06-2015, 01:15 PM   #17
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Run the RV up on blocks so you can crawl under and block wheels. Start engine and get down where you can observe the 3 suspect pneumatic valves. When the compressor reaches full pressure and stops compressing air, that's when the valves should open and blow out air/moisture. You should be able to feel this pop-off at each of the valves.
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