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Old 06-13-2015, 12:07 PM   #1
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Lippert hydraulic landing gear

I have a 2014 Silverback 29ik. We have the lippert hydraulic landing gear /jacks. They both seem to work fine operate in both directions ok. No fluid leaks. Simple retract and extend switch, no blown fuses.

My issue is as follows:

Park 5er on relatively flat brick paver or concrete pad. Extend landing gear, unhitch tow vehicle. The passenger side hydraulic jack seems to extend slightly more then the drivers side hydraulic jack. Causing a slight left to right leveling issue. I can't for life of me get trailer level side to side.

Both jacks run off same hydraulic pump/fluid system as do the three slides. By visual inspection I'm not leaking fluids, fluid levels seem ok in reservoir which tells me seals in jacks/Rams ok.

By visual inspection frame is straight and true all welds in tact. Haven't even bumbled a curb in this trailer.

My question is there a way or procedure to adjust the two hydraulic landing gear jacks? I see nothing in the trailers documentation from forest river or lippert.

I'm relatively certain it's a hydraulic jack pressure issue between the two landing gear but strangely I'm just not seeing the obvious symptoms of why its occurring.

I'd prefer not to haul a bunch of wood blocks to drive the trailers low side wheels up on to in order to correct this if in fact there is something I can do to address this at the landing gear.

Thanks in advance for help or ideas.

Brock






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Old 06-13-2015, 01:20 PM   #2
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Check your manuals again or go online to CC or Lippert in case you are missing one. There is a procedure to recalibrate the system. Do that first. If that doesn't correct the problem you may have a landing gear that is binding for some reason. Each leg has a sensor to detect when it has contacted the ground. If a leg is binding the sensor may think the leg is all the way down and stop moving it any lower. Also try putting a large block under that gear so it doesn't reach the point where it is stopping. Then see if the unit is level.
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Old 06-13-2015, 04:43 PM   #3
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Brock,

It sounds like the Level Up is confused about where level is, a Zero Point Calibration might be needed.

Here are links to the manuals I found.
http://lci1.com/assets/content/suppo...ers_Manual.pdf
http://lci1.com/assets/content/suppo...ting_Guide.pdf
http://lci1.com/assets/content/suppo...heets/0262.pdf

You can find more at http://lci1.com/support-center

As I remember, you manually level it, then press a series of buttons to tell the system to remember this as "level".
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Old 06-13-2015, 04:54 PM   #4
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Had similar issue, opposite side. No way to adjust them (front jacks) independently. Mine had a bad jack...replaced by Lippert. See post:

Manual Adjustment to one Hydraulic Level Up Jack
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Old 06-13-2015, 06:05 PM   #5
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Brock did not say he had levelup rendering all info pertaining to levelup useless. So shall we wait until the OP enlightens us?

Meanwhile, Is there a difference in height from the ground to the pad of the landing gear when the gear is fully retracted?
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Old 06-13-2015, 08:03 PM   #6
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Quote:
Originally Posted by Duckogram View Post
Brock did not say he had levelup rendering all info pertaining to levelup useless. So shall we wait until the OP enlightens us?

Meanwhile, Is there a difference in height from the ground to the pad of the landing gear when the gear is fully retracted?
Good question on the retracting. Mine fully retracted equally and flush to the frame. It came down to a faulty jack that was not fully supporting it's fair share of front weight, that got worse overtime, about 6 months. It finally lost all it's pressure and retracted further, almost all the way. What supprised me is that it held enough pressure when I extended it manually, to allow me to get it on my truck.

Zero point will not help the front, if off left to right. The front landing jacks work together.
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Old 06-14-2015, 03:49 PM   #7
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I have the same developing problem but opposite. The curb side seems to always be lower, causing the coach to lean. I'm going to go to my local hydraulic shop and purchase a valve to put inline so I can independently adjust each leg.
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Old 06-14-2015, 08:46 PM   #8
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I have a 2014 Sandpiper. Lippert front hydraulic gear. 4 slides on one side always 1.5 inchs low. Had ram replaced still a problem. I have to level unit side to side by driving up on 2 X 8. It is a poor design problem. Individual control of jacks would fix it. Lippert tells me they are not made to leve trailer side to side just up or down. The fix is add level up. So I inquired and level up is not an easy add on. It has to be completely added and the system on there now comes off. I'm out of warranty in 4 months, going to see about getting jacks re worked to work separately.
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Old 06-14-2015, 11:57 PM   #9
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Assuming the OP only has front hydraulic landing gear and not level-up ... open system hydraulics follow the basic principal that the least resistance moves first. If one side of your fiver is heavier than the other, the heavy side will always lag behind a bit. The heavy side will also retract ahead of the light side. The bedroom slide will add weight making it heavier than the curb side. 05CrewDually has a fix ... add a blocking valve or flow control in the system so you can control left to right.
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Old 06-15-2015, 09:50 AM   #10
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Thanks dieselguy. I will have this done as soon as warranty expires. Is the blocking valve adjustable manually. What you described is exactly what is happening. Jack
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