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Old 10-20-2013, 07:25 PM   #1
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Air Bag inflation

I am a new member with plenty of questions. First I am very familiar with RVs. But not MOTOR HOMES. I just purchased my first motor home a 2004 HR Endeavor.Here is my first question.
I pulled my MH in to the RV park and set it up 3 weeks ago. I dumped the air bags. I started my rig up today to run the engine and generator. it all started up fine. However I do not think my air bags filled up. I had the engine running for about 20 minutes. During this time I did raise and lower my jacks to re-level the MH. It is my understanding that the air bags are to inflate on their own as the air pressure builds up, However when I hit the air dump it did not seem like very much air dumped not like the first time. The first time I know they dumped, it rocked the MH.
I know I have pressure I saw it build all the way up on the PSI gauge.
Is there something special I need to do to inflate the Bags?
How long does it take to fill the bags?
I would be lost at this time, please point me in the right direction.

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Old 10-20-2013, 07:32 PM   #2
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Wish I could help you with an answer.

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Old 10-20-2013, 07:39 PM   #3
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I believe my coach is very similar to yours.
My coach certainly doesn't 'rock the coach' when I dump air. It's a very gradual drop that takes 2-3 minutes to deflate fully.
As long as the air dump switch is off, they should inflate in a similar 2-3 minutes.
The bags won't inflate properly if you have the levellers down. You should fully retract the jacks before inflating otherwise, the ride-height valves will just release the pressure again.
What pressure do you see on the air gauges?
Chris, Jo & Dell (Siberian Husky - 110lb of fur and muscle)
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Closely followed by a 2012 Equinox AWD
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Old 10-20-2013, 07:54 PM   #4
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i know on my Rv the airbag system is the last to get air for safety

i all so have to play with the bump valve befor they well take air
its not the valve its self but the air ? reagalter ? sorry spelling
all so if some one added the sway control system on the airlines the air going in is very very slow

all so some air dryers water valves like to stay open and no air gos in to the system
but this is for the hole system your seeing air

i just dont dump my air any more after paying 220$ over a crushed airbag
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Old 10-21-2013, 12:44 PM   #5
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try taking the e brake off and putting it in gear (with your foot on the brake) Mine will not let the airbags inflate to road position with the bus in park.
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Old 10-22-2013, 09:29 AM   #6
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thanks for all the help.
I got the air bags to inflate. What I found out was that my landing gear / jacks need to be fully retracted before the air bags would inflate.
ONE note> someone asked how much air pressure I had on my gauge. When I cranked up the rig and pressured up the system I had 140 psi on my gauge. that would be with the air bags filled and the brakes charged up.

Second note> I think I over amped my batteries resulting in them to discharge. I did this by putting my jacks back down. I got the front down then went to lower my back and boom out went the lights. all power went down. I could not even start the generator. I could crank the engine over. but nothing else. I eventually had to re-set the inverter. By the flashing LED it shows to be receiving shore power and charging the batteries. so I think that is good.
But prior to the lights going out I could go to my remote panal and scale the amps up to 50 amps. now it will only scale to 30 amps. in pushing my button on the remote it will only toggle between 20 and 30 amps.
Whats up with that????????
I have reset the sharing amps to 50 on my dial-o-meter. but still no ability to scale up to 50 amps.
Whats with that???????????
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Old 10-22-2013, 09:34 AM   #7
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so do you think the air bags would last longer, by not weathering out, if they are kept inflated at all times or if they were deflated while on the jacks?

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