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Old 07-26-2011, 04:30 AM   #1
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All Jacks Down?

I'd like to know if all 4 jacks should or shouldn't be touching down after having gone through Auto-leveling. Sometimes I've seen them all touching down, but the last couple of times I've leveled I've seen only the front down and the back up, but I do get a green go ahead that all is level. The rig is currently getting warranty work and I just was wondering if this is something I should have them look at too.
Thanks
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Old 07-26-2011, 04:36 AM   #2
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I believe that the auto level will only extend the jacks that are required to level the mh. Once level you could if desired manually extent the others to better stabelize the mh.
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Old 07-26-2011, 09:03 AM   #3
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Imagine this: you are low by 1 Inch side to side, and 1/2 inch Front to rear so the auto level system first extends the right rear jack to level you side to side.. It makes contact and raises the right rear 1 inch, which also has the side effect of raising the entire rear an average of 1/2 inch, making you 100% level.. Ok, job done.
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Old 07-26-2011, 09:28 AM   #4
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My auto leveler will level the coach with the needed jacks and then extend the extra(s) to stabalize the coach.
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Old 07-26-2011, 10:12 AM   #5
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Different strokes for different MH's. My Level Best system will level the motorhome using whatever jacks are needed. All may not be touching. The manual states that for extra stability extend the jacks that are not touching until they touch the ground. Some of the level best systems have the individual up/dn buttons, and some just have bi-level front/rear, and side to side.

So, if you just want to level it and have a rocking horse when you walk, just let the auto-level do it's job. If you want to add stability, manually lower those jacks not touching the ground.

Good luck.
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Old 07-26-2011, 10:43 AM   #6
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Quote:
Originally Posted by JCM View Post
My auto leveler will level the coach with the needed jacks and then extend the extra(s) to stabalize the coach.
My HWH system is designed to work this same way. Also, I believe the jacks always work in pairs. Never a single jack alone. I think that's supposed to minimize any chassis twisting.

My auto level function is currently way out of calibration and I've just been doing it using the individual jack pair buttons manually using our bathroom door as our "level".

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Old 07-26-2011, 10:57 AM   #7
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The OP did not specify the make of jacks he was concerned about.

I have HWH and I believe that all models extend jacks in pairs, both front, both rear, both left side or both right side. this prevents chassis twisting and possibly windshield cracking. Then the remaining jacks are extended to stablize after leveling.

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Old 07-26-2011, 11:06 AM   #8
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All jacks should be down - every time ... have it looked at while it's there.
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Old 07-26-2011, 11:12 AM   #9
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That being said in last two posts you may want to check this thread by Max Hubrich & Oemtech on how to correct your leveling system.
All jacks should be down, even when AUTO leveling.
One of the many tips in Quick Tips & Mods link.
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Old 07-26-2011, 06:28 PM   #10
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Quote:
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All jacks should be down - every time ... have it looked at while it's there.
Maybe for your system. My manual specifically states that it is not necessary that all jacks will be on the ground when the coach is level. It does state that putting the remaining jack(s) down will add stability.

It behooves everyone to read their manual for the correct solution.
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Old 07-26-2011, 06:46 PM   #11
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It behooves everyone to read their manual for the correct solution.
Now what fun is that?

Real me don't read manuals (or ask directions!)
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Old 07-26-2011, 06:48 PM   #12
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I have noticed mine will at times have 1 jack raised and similar to other posts the manufacurer tells me this is normal but I could put 4th down if desired.
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Old 07-26-2011, 07:00 PM   #13
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Quote:
Originally Posted by mdbaggs View Post
I'd like to know if all 4 jacks should or shouldn't be touching down after having gone through Auto-leveling. Sometimes I've seen them all touching down, but the last couple of times I've leveled I've seen only the front down and the back up, but I do get a green go ahead that all is level. The rig is currently getting warranty work and I just was wondering if this is something I should have them look at too.
Thanks
From other posts, it appears this varies from system to system. My HWH system on my Itasca always puts all 4 jacks down in auto level mode. BTW, it's always rock solid stable and level so I guess I'm glad I've got such a system.
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Old 07-26-2011, 07:33 PM   #14
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If all you want is "level" instead of stable then I suppose it's ok to have at least one corner suspended, or cantilevered if you will? I don't want one part of my coach able to move on its suspension while the rest can't? I suppose it's semantics .... if your coach was perfectly level on its suspension and tires would you use the jacks at all? I've never seen or heard of some of the jacks working some of the time and when you deploy your slides does the coach stay level without all the jacks down? No thanks, I want all the pads on the ground or I'm getting my rig looked at.
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