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Old 05-13-2008, 02:08 AM   #1
dchafer
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Extending landing gear

We have parked our 3400RL on a bit of a hill. The front of the rig is quite lower, therefore we have built up with concrete slab and yellow levelers but still needed to extend the legs about 8-10 inches. Does anyone know what the safe limit of extension is on these front legs.
We still have to extend a bit but not sure ..
Thanks,
 
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Old 05-13-2008, 02:48 AM   #2
Waynem
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Diane, Dennis and Taffy,
My driveway is at a good slope. When I park there I put two cement cinder blocks under the front landing jacks, pull the pin and drop the foot of each jack, then start raising Hanna. When she is level I can walk under her standing straight up, but I'm only 5' 10"

If you do decide on blocks underneath, make darn sure they are sturdy, and block, block, block the wheels.
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Old 05-13-2008, 04:42 AM   #3
capn chris
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Dennis,
When I park in front of our house on a hill, I do so w/the nose up hill. In order to lower the nose after unhitching to level, I have to run the gear down about 15". Not sure how much further it would go? Unlike Wayne, I have to crawl under mine when she's level. LOL.
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Old 05-14-2008, 11:55 AM   #4
Fire5er
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We also have a slope to park our rig on. Warning when using cinder blocks...they can crack and fall apart and drop your 5er to the ground. It happened to us. I now use 4"x4"s and 4"x6"s to create a 12" high platform that I put under the landing gear.
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Old 05-14-2008, 12:20 PM   #5
Waynem
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Fire5er,
Thanks for that information. I have been dropping the legs on the center of the block to get that "center support," but Your way seems to be a lot safer. (All though, I don't agree with your math, but it would still be higher than a cinder block. How do you cut a 4X4 and a 4X6 to equal 12 inches? )
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Old 05-14-2008, 01:07 PM   #6
ols1932
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Waynem,
I think he stacks them three high? 3X4=12?

Orv
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Old 05-14-2008, 04:31 PM   #7
Fire5er
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Waynem,

I also was placing the legs on the center support of the cinder blocks but over the years the cinder block being exposed to weather caused it to weaken. It crumbeled out from under one side of the landing gear leaving half ot the leg suspended in the air. Boy did I hurry and get the truck back under the king pin. As far as the addition goes it's due to using 1/2" plywood to cover the 4"x4"s and on the 4"x6" I covered with 2"x8". So I use 2 pads stacked under the landing gear legs so I don't have to extend so far. It seems to be more stable when you don't extend as far.

Karl
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Old 05-14-2008, 04:57 PM   #8
Waynem
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I'd like to see them. One picture would be a thousand words.

Thanks,
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Old 05-15-2008, 04:39 AM   #9
Fire5er
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Waynem,
Getting ready to go out this weekend so may not have time today, but I will get to it next week.

Karl
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Old 05-15-2008, 08:56 AM   #10
TLightning
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Quote:
quote:Originally posted by Fire5er

Waynem,

It seems to be more stable when you don't extend as far.

Karl
Seems that way to me too.
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Old 05-15-2008, 01:46 PM   #11
dchafer
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Thanks for all the great info y'all. I have put concrete cottage slab, 20x20x4in thick then 2 yellow interlocking plastic blocks and that is all I could get under so I extended the legs about 12" to level. Hope that works since we are sitting here for the summer.
thanks again..
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Old 05-15-2008, 11:12 PM   #12
Glenn and Lorraine
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If using concrete blocks never use old ones and always place a 2" x 8" x 12" in between the block and the leg. This will evenly distribute the weight across the entire block and not just the middle. If not on soild ground you should also use a 5/8" or 3/4" piece of plywood as a plate between the ground and the block.
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