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Open Roads Forum  >  Fifth-Wheels

 > dissecting a Lippert Ground Control 3.0 landing leg

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obie311

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Posted: 11/04/19 04:29pm Link  |  Quote  |  Print  |  Notify Moderator

I have the electric Lippert GC 3.0 front landing leg that failed on me in Arizona this spring. I have boxed up the motor for a spare as I believe it is OK. I will test it later.

I'd like to do an autopsy on the leg to see what failed and also to see if there's any salvageable parts inside. The only possible disassembly point I see is on the top. There's a cotter key retaining a pin that can be driven out on the motor coupling socket. After that I haven't a clue. I've looked for an exploded drawing of the leg to visualize what's inside but no luck with that.

Has any of the esteemed members here taken one apart?

Hoppy220

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Posted: 11/05/19 01:25pm Link  |  Quote  |  Print  |  Notify Moderator

There is a nut in the top of the leg that usually strips out due to lack of lubrication. Once you remove the cotter pin you can remove the inner sleeve and unthread the acme screw from said nut. They are really simple to disassemble once you remove them from the unit. They should have installed a grease fitting on these because the grease gets wiped off the threaded rod with use and then its left to run dry.

harley hitchiker

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Posted: 11/05/19 02:43pm Link  |  Quote  |  Print  |  Notify Moderator

there are some pictures posted on jayco owners forum under 5th wheels and heading 3.0 ready to fail . saw it today

Edd505

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Posted: 11/05/19 07:29pm Link  |  Quote  |  Print  |  Notify Moderator

This might help GC 3.0 manual:

https://support.lci1.com/ground-control-3.0-support-ground-control-3.0-onecontrol-touch-panel


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Posted: 11/06/19 12:00pm Link  |  Quote  |  Print  |  Notify Moderator

Hoppy220 wrote:

There is a nut in the top of the leg that usually strips out due to lack of lubrication.


Is this something I'm supposed to be lubricating? If so, how?


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Hoppy220

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Posted: 11/07/19 06:27am Link  |  Quote  |  Print  |  Notify Moderator

There is no way to get to it to lube it without complete disassembly. I run landing gear all the way out and spray gear lube through an opening in the outer housing hoping to get enough on the rod to help it out. It's just a bad design on liperts part.

laknox

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Posted: 11/07/19 07:53am Link  |  Quote  |  Print  |  Notify Moderator

Hoppy220 wrote:

There is no way to get to it to lube it without complete disassembly. I run landing gear all the way out and spray gear lube through an opening in the outer housing hoping to get enough on the rod to help it out. It's just a bad design on liperts part.


Unfortunately, it's not only LCI that has this issue. Most landing legs don't seem to have any way to lube them. Personally, if I were to do so, I'd use a "dry" lube, one that won't attract, or keep, dirt.

Lyle


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Bob Shaw

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Posted: 11/07/19 12:40pm Link  |  Quote  |  Print  |  Notify Moderator

I e got a schematic for the leg, but I won't be able to get to it for a couple of weeks. Just be aware, Lippert does not sell parts for the Ground Control 3.0 legs. I bent my drop legs and had to have the Venture style drop legs machined to get them to fit.

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