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 > Landing gear question

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bobbyg123

Duvall, WA

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Posted: 09/03/19 10:47am Link  |  Quote  |  Print  |  Notify Moderator

So after 10+ years of travel trailer ownership, I took delivery of our first 5th wheel on Saturday.

The hitching/unhitching process went pretty smoothly, but I have a question on the landing gear. My F350 isn't lifted, but it has bigger wheels and a fairly tall profile.

During the PDI, the guys at the dealership advised me not to overextend the landing gear past 10-12 holes when unhitching, but that's impossible with my configuration. I'm stacking 5 lynx blocks on each side, and I still have to extend the landing gear pretty far.

It's not a big deal, but it does raise some stability concerns. I'd rather not have the rig balancing like a jenga game if there's another solution. Any thoughts?


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bpounds

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Posted: 09/03/19 11:00am Link  |  Quote  |  Print  |  Notify Moderator

You want to run the bigger outer leg out more, and the inner leg with the holes in it, less. I think that is what they were trying to tell you. It's just more stable that way.

Not everyone agrees with me, but I don't like stacking blocks under my landing gear. It's a topple over waiting to happen. One or two leggo blocks to spread the load is all you need.


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Old-Biscuit

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Posted: 09/03/19 11:17am Link  |  Quote  |  Print  |  Notify Moderator

With 5vr still hitched

Raise the Inner tubes up fully
Extend the Outer tubes until you hear then click/clack
Retract then 1" and paint a RED Line -----that is the MAX extension you want to do so you do not damage drive nut/shaft/gears

With the outer legs extended......
How much can you then drop inner tubes

I prefer to not have more then 5 holes exposed and use a 6X6 block

You only need to lift front pin box just high enough to clear the hitch plate (1/8")
Watch truck bumper----when it stops moving then watch hitch plate
Stop when Pin Box just lifts off htich plate
Unlatch/unplug and drive out from under Pin Box


Is it time for your medication or mine?


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cougar28

Lowell,AR USA

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Posted: 09/03/19 12:36pm Link  |  Quote  |  Print  |  Notify Moderator

Get you a couple of theses. They work great.
https://andersenhitches.com/Products/3608m--trailer-jack-block.aspx


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cougar28

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Posted: 09/03/19 12:41pm Link  |  Quote  |  Print  |  Notify Moderator

Well my link didn’t work. Just look up Andersen block. Looks like a bucket give you 8” to start off with and very stable.

RoyF

Fayetteville Arkansas

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Posted: 09/03/19 12:47pm Link  |  Quote  |  Print  |  Notify Moderator

You definitely can damage the gears by overextending. I had to replace the gears on one leg because of it.

garyp4951

TN

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Posted: 09/03/19 01:06pm Link  |  Quote  |  Print  |  Notify Moderator

Andersen blocks

mtofell1

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Posted: 09/03/19 01:34pm Link  |  Quote  |  Print  |  Notify Moderator

Maybe you can learn from my mistake on this one - when overextending, I sheared off a bolt in the square tube that runs horizontally through the storage area and transfers power to the passenger side jack (I'm assuming a common setup with one motor on the driver's side). Anyway, the bolt is a planned failure point so you don't break more expensive things. I now carry spare bolts to prevent being stranded somewhere if it ever happens again. Where is also a fuse that can blow when you overextend. Be sure you carry some spares of that as well.

bobbyg123

Duvall, WA

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Posted: 09/03/19 01:49pm Link  |  Quote  |  Print  |  Notify Moderator

Ok guys, thanks for the feedback.

To clarify, it sounds you're suggesting that I fully retract and pin the manual locking section of the gear, and then lower the powered landing gear with the motor. Is that right?

During the PDI, I seem to recall the dealer saying to raise the motorized landing gear to the "dust line" when I was hitching up, so I guess I forgot to power them down a ways when I was unhitching.

dryfly

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Posted: 09/03/19 05:24pm Link  |  Quote  |  Print  |  Notify Moderator

Old-Biscuit wrote:

With 5vr still hitched

Raise the Inner tubes up fully
Extend the Outer tubes until you hear then click/clack
Retract then 1" and paint a RED Line -----that is the MAX extension you want to do so you do not damage drive nut/shaft/gears



Are you saying that fully extending the outer legs (without any load on them) until they make a noise, will not damage the gears?

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