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Old 08-29-2013, 06:07 PM   #1
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air dump

Should the air be dumped before the levelers are used.
Thanks Gary
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Old 08-29-2013, 06:14 PM   #2
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Simple answer.......yes
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Old 08-29-2013, 06:16 PM   #3
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Most times yes. Helps get the unit level without getting to high off the ground.
Exceptions a very level site on a one night stay. So you don't have to run too long, building air pressure, before pulling out .
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Old 08-29-2013, 06:16 PM   #4
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If you have the auto levelers as I do you just hit the on button twice and it does it automatically. But to answer your question . . . Yes
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Old 08-29-2013, 06:22 PM   #5
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It is not necessary to dump prior to setting your air leveling system to automatic. Some do so to achieve overall lower ground clearance. This is my second coach with air leveling and I've never dumped first.
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Old 08-29-2013, 06:35 PM   #6
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Jacks not air level

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Originally Posted by ImagineIF View Post
It is not necessary to dump prior to setting your air leveling system to automatic. Some do so to achieve overall lower ground clearance. This is my second coach with air leveling and I've never dumped first.
I believe the OP just has jacks for leveling not air leveling
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Old 08-29-2013, 08:13 PM   #7
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Quote:
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It is not necessary to dump prior to setting your air leveling system to automatic. Some do so to achieve overall lower ground clearance. This is my second coach with air leveling and I've never dumped first.
It all depends on the leveling system one has. On the system we have in our '04 Itasca Horizon 36GD with the 330 C-7 CAT, it is the HWH 625 system and it is required to dump prior to utilizing the leveling jacks. Now, it's a dual system in that, it's automatic or, manual. In the automatic mode, like what's been said by another poster here, a double push on the power button activates the dumping of the bags and, in a pre-determined time, it will start the leveling process.

So, to answer the OPs question, the first thing to do is, read either the owners manual for the coach or, the operations manual for the style and type of levelers the coach is equipped with. Then, be guided by that info.
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Old 08-30-2013, 06:04 AM   #8
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I believe the OP just has jacks for leveling not air leveling
My bad. Yes dump first if your leveling system is electric or hydralic.
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Old 08-30-2013, 06:39 AM   #9
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Originally Posted by nymoment View Post
Should the air be dumped before the levelers are used.
Thanks Gary
Some coaches have auto-dump so you do not get a choice. It would appear that it is a necessary step if some manufactures do not give you the choice.

I have manual dump and I always dump before leveling.
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Old 08-30-2013, 10:05 AM   #10
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Thank you all for the info. Gary
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Old 09-02-2013, 01:18 PM   #11
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My air gauges always show pressure when key is ON even with engine OFF. Seems in error?
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Old 09-02-2013, 01:25 PM   #12
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Electronic Gauges

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My air gauges always show pressure when key is ON even with engine OFF. Seems in error?
Electronic gauges will show what was on them at the time you shut the key off and removed the power from them. If you turn your key on after setting up and a couple of days have passed after the guages bounce around a bit and boot up you will see what they read with the engine not running.
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Old 09-02-2013, 02:33 PM   #13
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My air gauges always show pressure when key is ON even with engine OFF. Seems in error?
It's no error. Yes, your gauges will show what's remaining in the system, regardless of dumping. Dumping does not deplete the entire air system, it only dumps the pressure in the bags. Now, depending on just how "sealed" your air system is, it will show you the residual pressure each time you turn the key on while camping. If you're in one spot for a couple of weeks and never turn the engine on in that amount of time, the "average" system will bleed down some.

Just how much, each system is different. Some on here claim that their coach will not loose one pound in those two weeks. Ours, in a two week period, in one spot, no-start engine in that time, if I parked it at 125 psi and shut down, the two week point would probably show about 70, plus or minus.

So, to answer your question, unless your air system and ignition system and gauge system is considerably different from most, yes, you'll see air pressure even after being parked for any length of time, unless it's completely depleted , then you'll see ZERO psi.
Scott
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Old 09-03-2013, 10:16 AM   #14
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Thanks to all.
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