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Old 09-06-2012, 05:54 PM   #15
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Quote:
Originally Posted by JimM68 View Post
yup.
I usually help release the air by stroking the brake pedal repeatedly. Makes really cool sounds!
Stroking the brake pedal only releases the air from your brake system, it will not release air from your suspension system.
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Old 09-06-2012, 06:47 PM   #16
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IMO, one of the most important aspects of the air dump is when you're not going to clear something overhead by "that" much....suddenly you can, if you move very slowly forward (remember, you have no suspension give after dumping air!).

For one of my friends, it was the difference between getting it into his barn, and not!
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Old 09-06-2012, 07:11 PM   #17
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If you leave air in the suspension, over the course of days to weeks it will leak out, slowly. If you have a rooftop satellite TV dish you may find that you need to "tweek" the pointing after a while. Dumping the air before you set up the dish reduces the need to do this.
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Old 09-06-2012, 10:48 PM   #18
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Any dump is a good dump.
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Old 09-06-2012, 11:59 PM   #19
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Yep, all of the above.
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Old 09-07-2012, 06:58 AM   #20
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Great thread and yes I had to hold the dump untill finished reading as couldn't stop!

We have to full dump to back into our pole barn as there is not enough clearance to get thru the 12' overhead door opening. I have gotten good at holding the button with one hand (HWH) and backing in with the other. Once in, the 14" trusses are adequate for the raise when filling the air brakes etc. This is why we have this coach (with lo profile penguin AC's). There is 2" height clearance thru the door when dropped.
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Old 09-07-2012, 09:53 AM   #21
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Yeah,....ALSO, if you're wedged under a low overpass, dumpin the air might give ya enough clearance to scour off the rest of your roof....ya think?????

Steve (just couldn't resist )
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Old 09-09-2012, 12:08 AM   #22
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I am so glad I read this thread. (1) hilarious, and (2) realized that I am the dip&$@) that has been pumping my brakes thinking that also released my suspension air. Thanks for clarifying.
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Old 09-09-2012, 12:45 AM   #23
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I have to say, I lifted my coach slightly on the jacks, fanned the brakes until the air pressure gauges were low, and then brought the jacks back up, and, as I said, while I didn't like that the coach rolling forward dragged the jacks slightly, the coach definitely dropped low like an air dump. So I'm not entirely sure that running the brakes isn't working as an air dump.

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Old 09-09-2012, 09:24 AM   #24
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I have to say, I lifted my coach slightly on the jacks, fanned the brakes until the air pressure gauges were low, and then brought the jacks back up, and, as I said, while I didn't like that the coach rolling forward dragged the jacks slightly, the coach definitely dropped low like an air dump. So I'm not entirely sure that running the brakes isn't working as an air dump.

Steve
You are doing the same thing, loss of air pressure either way will do it, BUT a dump valve (all our big trucks have them) will dump 'just' the air bags to lower the coach without dumping the entire air system. Not to mention not working the brakes all that extra amount... Monkey
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Old 09-10-2012, 10:03 PM   #25
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I USUALLY exit upright and facing forward, but that hasn't always been the case. I actually did trip over the dog once, resulting in an impromptu impression of a breech birth.
Dern it, USMC! Now I have to clean my keyboard!!!
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Old 09-12-2012, 06:59 PM   #26
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Do you need to dump if you are going to store it for the week and use it on weekends? Will it air back up when the coach is started?
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Old 09-13-2012, 11:12 AM   #27
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Do you need to dump if you are going to store it for the week and use it on weekends? Will it air back up when the coach is started?
We do not have air ride on our "A" , BUT,,, being a trucker quite used to these things, I'll say No,,, you do not need to dump the air to park it... Especially just for a week... (the only reason you find suspension down on a recently parked truck is an air leak) Second,,, yes it should air back up,,, actually you should be able to flip the switch right away and see it air back up,, if you have a coach with air brakes also, you have air tanks that will supply this a few times without starting the engine... So don't worry about dumping the air to park it.... Everything on forums is up to opinions,,, this is my finding after many many years of dealing with this type of suspension,,
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Old 09-13-2012, 11:18 AM   #28
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I usually only dump air suspension when I'm going to use the jacks. I purge air tanks every so often to be sure no moisture has accumulated in the tanks.
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