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 > Landing gear motor.

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Super_Dave

Harrisville, UT

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

On my Big Country with the 6 point leveling system, only one leg deploys and stows at a time. If the 2 front jacks were independent with 2 motors, it would be a heck of a lot faster. Does the system in question deploy/stow both at the same time?


Truck: 2006 Dodge 3500 Dually
Rig: 2018 Big Country 3155 RLK
Boat: 2003 Jetcraft 2125 - Yamaha 150 HP & 8 HP Kicker


ivbinconned

highway 16

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

I can see no zirk or feel one where I can not see. Is pouring oil in from the top going to lube the entire shaft?
Another desire I mentioned was to get rid of the cross (head banger) member. Two motors would do this. This would make building a shelving system and access to-it very nice.


Ram and 34 ft Cedar Creek

cummins2014

Utah

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Posted: 11/12/19 12:16pm Link  |  Quote  |  Print  |  Notify Moderator

Super_Dave wrote:

On my Big Country with the 6 point leveling system, only one leg deploys and stows at a time. If the 2 front jacks were independent with 2 motors, it would be a heck of a lot faster. Does the system in question deploy/stow both at the same time?



Yes ,its a one motor electric landing gear legs in the front.

cummins2014

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Posted: 11/12/19 12:29pm Link  |  Quote  |  Print  |  Notify Moderator

ivbinconned wrote:

I can see no zirk or feel one where I can not see. Is pouring oil in from the top going to lube the entire shaft?
Another desire I mentioned was to get rid of the cross (head banger) member. Two motors would do this. This would make building a shelving system and access to-it very nice.



I am sorry ,I mislead you, no you don't have any Zerks, I don't either , on the one side, I replaced the drive side ( Don't ask [emoticon] ) and it does have the double zerk. The old side does have a small hole where a zerk would be ,but no , ,no zerk.

I mentioned I pulled off that side ,and greased it partially torn apart. Yes pouring into the top will get it, it will run thru the nut that the worm gear runs thru, and should get the worm gear also. I would put as thick as I could get that will pour. I am going to do the same, and just put something under that side to catch what runs thru. The other side I will grease the zerks .

cummins2014

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Posted: 11/12/19 12:34pm Link  |  Quote  |  Print  |  Notify Moderator

I think you could accomplish the same thing by drilling some holes down about three inches for that worm gear ,and just pump grease in there. I will measure for sure where the bottom zerk is , but its not that far down . The zerk is just in the cavity ,not going into anything but in the vicinity of the gears.

It sure got the job done for my friends 2010 after greasing that lower Zerk .Ran 100% better .

cummins2014

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Posted: 11/12/19 12:54pm Link  |  Quote  |  Print  |  Notify Moderator

Measuring where that bottom grease zerk is, its 4" from the top of the cap. I would not think it would matter if that hole was drilled in the front of the leg , where it would be easy to drill. All there is in there bedsides the long worm gear is a eight sided nut ,held in there for the worm gear to run thru . That hole would not hurt a thing, you could tape over it if concerned with any debris getting in there , it would be minimal inside the compartment there . Worth a try for the sake of hole.

fj12ryder

Platte City, MO

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Posted: 11/12/19 01:03pm Link  |  Quote  |  Print  |  Notify Moderator

Small hole in the outer leg, run the leg all the way up, lower the inner leg, and spray some lithium grease liberally through the hole. Easier than a grease gun, and insures that the grease ends up on the screw and not down the side of the leg.


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cummins2014

Utah

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Posted: 11/12/19 01:26pm Link  |  Quote  |  Print  |  Notify Moderator

fj12ryder wrote:

Small hole in the outer leg, run the leg all the way up, lower the inner leg, and spray some lithium grease liberally through the hole. Easier than a grease gun, and insures that the grease ends up on the screw and not down the side of the leg.



I think we are talking about two different styles of landing gear, these are lippert or stromberg one in the same, but there are no holes other then two little ones on my 2008, directly below the cap, you can accomplish the same thing , just by pulling the caps off on them and greasing those top gears, but I don't see anyway to get grease to that worm gear ,and nut down lower. Unless I am missing something here that you are saying ????

fj12ryder

Platte City, MO

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Posted: 11/12/19 02:28pm Link  |  Quote  |  Print  |  Notify Moderator

I assume that most legs work the same: there is an outer part that mounts solidly to the trailer, there is an inner leg that moves up and down with the motor driven screw, and the innermost leg that can be moved up and down manually and is held in place by pins.

If there is a small hole in the outer mount, and the innermost leg is lowered out of the way, that will expose the screw to any lube shot through the hole in the outer mount. The hole should be fairly high so as to hit the screw and not the inner leg.

I hope that's clear, kind of hard without a diagram. When I mounted the Bulldog legs I totally disassembled them and greased everything and put it back together.

bpounds

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Posted: 11/12/19 02:36pm Link  |  Quote  |  Print  |  Notify Moderator

I think 2 motors is a fine idea. But whether you do that or not, you need to get some grease on the leadscrews, or it is just a matter of time before a leg seizes up on you.

Most trailers don't have zerks, and if they do it will only be for the bevel gears at the top. The leadscrews cannot be lubed through a zerk, unless you just willy nilly fill the leg with grease. You need to get the grease into the follower nut and along the threads of the screw.

I drilled access holes in each leg, and I use spray grease with a straw nozzle to direct the lube on the screw. I use motorcycle chain and cable spray, because it is very clingy, but regular old grease will work too. Heavy stuff preferably. You can see where I drilled the holes in the photos below. They are only about 3/8" diameter.

Once you lube the leadscrews (they are NOT worm gears BTW), I think you will be pleasantly surprised at how much easier your motor handles the load.

[image]

[image]


2006 F250 Diesel
2011 Keystone Cougar 278RKSWE Fiver


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