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Old 12-03-2022, 02:17 PM   #1
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air dump valve

Looking for an air system diagram for a 2005 Monaco Dynasty Diamond IV. My dump valve to dump the air out of the airbags before using the jacks to level stopped working. I changed the switch on the dash but still does nothing when engaged
Bill & Cyndee , Chloee , Chuck and the new addition Archie
2005 Monaco Dynasty Diamond IV, 2008 Honda CRV toad, 2015 Ultra Classic Limited
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Old 12-03-2022, 08:32 PM   #2
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Im guessing the issue is going to be electrical not pneumatic, can you hear any clunk outside when you press the switch? If not I would check for a blown fuse in the panel.

On mine at least I have a dump solenoid up front and one in back.
1998 HR Endeavor Cummins ISB 275 / Banks Allison 3060
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Old 12-04-2022, 05:44 AM   #3
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The dump valve on my -04 HR is behind the generator on the firewall also.
The outlet might be plugged up with insects or otherwise inop. If not plugged up, maybe try tapping on it if the solenoid is stuck.
I've never even looked if there is one in the back as I only hear the air coming out from the front.

Other possibilities that come to mind are park brake or ignition key. Try to cycle those.
2004 Holiday Rambler Imperial 40PKD, Cummins ISL 400
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air, valve

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