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Old 04-16-2017, 01:27 PM   #1
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Hydraulic Jacks

The front hydraulic jacks on my motorhome are controlled by one button (can't control each one separately), the rear jacks can be controlled individually. How do you level the motorhome if one side is lower than the other since both front jacks come down at the same time. Looking for guidance and tips.
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Old 04-16-2017, 03:38 PM   #2
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Quote:
Originally Posted by 66vette View Post
The front hydraulic jacks on my motorhome are controlled by one button (can't control each one separately), the rear jacks can be controlled individually. How do you level the motorhome if one side is lower than the other since both front jacks come down at the same time. Looking for guidance and tips.
Well Sir,
First off, we'd need to know the year/make/model/type of leveling system/make etc. in order to help with a a more qualified answer. There might be someone with the same type/make leveling system that can help.
Scott
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Old 04-16-2017, 03:56 PM   #3
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This is a good question for those RVer's who are new to their coach and hyd jacks.
The system we have sounds the same noted in the post.
Front jacks-one button. Rears-right/left buttons.
How the system works is as follows:
The front jacks are connected together so the pressure is equal on both jacks. Our instructions are that the fronts are always activated first.
On the rears, if the coach is not level side to side after achieving front to back level, the hyd pump adds pressure to the side that is lower to level the coach. The front jacks react to the twist in the coach by moving the hyd fluid from one cylinder to the other front cylinder. The fronts will not lower the coach, but will adjust to the what the rears are doing.
Our rears are much more powerful than the fronts due to the weight of the engine and length of the coach.
Works just fine.
JimB
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Old 04-17-2017, 05:21 AM   #4
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Thanks for the information. The ones I have are from Power Gear, the manuals do not state a model number. If the fronts adjust for the twist that will solve my concern with causing stress on the coach.
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Old 04-17-2017, 07:23 AM   #5
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No problem with twist. The two front jacks are connected with a "T" fitting and act as one jack, supplied by one hose. They will distribute the weight between them, regardless of the chassis angle. If one leaks, neither will work.

Stack a couple 2x6 lumber under one of the front jacks, then lower the front jacks, You'll see what happens. Don't go so high that the jack without the lumber starts to lift off the ground.

You actually have a three point leveling system, one front, one left rear and one right rear.
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Old 04-17-2017, 08:10 AM   #6
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Here is a pic of my pump with the model number tag on it. The jacks also had a similar tag on it. These were certainly helpful to me.
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Old 04-17-2017, 03:25 PM   #7
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Just make sure to activate the front jacks first.Lift the front enough to allow movement when lifting rear.They will adjust but only if they are extended enough to allow the extended jack to retract to adjust.
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