how to repair 5th wheel landing gear

1. Remove the retaining bolt from the sliding sheath on the square shaft that drives the opposite leg. ...
2. Remove plastic retainer that secures gearbox onto drive shaft so motor assembly can be removed from leg. A small screw holds this in place.
3. Slide gearbox with motor attached off the drive shaft, moving the shaft to opposite leg aside as necessary. ...
4. Remove DC motor from the attached gearbox. NOTE: Four bolts attach the motor to the gearbox, but only the two long bolts need to be removed. ...
5. Note the alignment and position of the gearbox as you remove it, and replace it with the new one.
Re-attach the motor assembly onto the drive shaft by moving the opposite leg shaft aside and inserting the manual override shaft into its housing. ...
Activate landing gear switch (or use manual override wrench) to properly position the screw hole in the drive shaft so you can re-attach the plastic retainer. ...
Re-attach the opposite leg drive shaft, adjusting the drive shaft as needed to align the bolt hole by activating the landing gear switch slightly, or using the manual override ...
Secure the opposite leg drive shaft with the retaining bolt.

How to replace the gearbox on a fifth wheel landing gear?

How to Replace DC Motor Gearbox on Fifth Wheel Landing Gear. 1. Remove the retaining bolt from the sliding sheath on the square shaft that drives the opposite leg. Slide the sheath back to expose the gearbox ... 2. Remove plastic retainer that secures gearbox onto drive shaft so motor assembly can ...

What is a 5th wheel trailer gear?

It is an item thats related to the 5th wheel trailer and specifically landing gear. So those of you who are familiar with 5th wheel trailers know that there’s basically two types of landing gear.

How do you remove the foot from the stabilizer on a 5th Wheel?

To do this so you would want to hook up your trailer to the truck so as you can raise your landing gear. And then once the 5th wheel landing gear is raised you can remove the foot in the stabilizers if they’re so equipped. So once the foot is removed remove the pin.

How easy is it to remove the landing leg from trailer?

Removing the trailers landing leg was pretty straight forward involving undoing just a few bolts, its foot pad and locking pin assembly. In no time I had the whole leg out.

How do you fix landing gear?

0:011:45Fixing trailer landing gear. - YouTubeYouTubeStart of suggested clipEnd of suggested clipTaking the grinder and it's cutting that off. And. I got the top all parts there's the gears that'sMoreTaking the grinder and it's cutting that off. And. I got the top all parts there's the gears that's inside that one dropped in the leaves. Clean them all up before I put them in.

How do you replace the gear in a 5th wheel landing?

5:1918:00Remove Seized Fifth Wheel Landing Gear and Replace with Ultra Fab ...YouTubeStart of suggested clipEnd of suggested clipSo I took the foot off there. And I had enough clearance to pull it out the top and. So these areMoreSo I took the foot off there. And I had enough clearance to pull it out the top and. So these are these little offsets.

How do you take apart a 5th wheel landing?

6:3216:47Repair and Install of my Fifth Wheel Landing Legs - YouTubeYouTubeStart of suggested clipEnd of suggested clipGoing through once you get those off and you undo the the extension leg at the bottom undo the theMoreGoing through once you get those off and you undo the the extension leg at the bottom undo the the foot. Then this basically just lifts up. You just pull it. Out. Takes a bit of wiggling.

How do you lubricate 5th wheel landing gear?

13:1916:14DIY 5th Wheel Landing Gear Maintenance - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe fill the tube with grease. This fits fairly snugly around that lead screw. And so it forcesMoreWe fill the tube with grease. This fits fairly snugly around that lead screw. And so it forces grease through the threads. Making for a nice clean lubricated lead screw.

How do you change the gear on a landing on a trailer?

2:3212:40Stromberg Carlson Replacement Landing Gear Leg InstallationYouTubeStart of suggested clipEnd of suggested clipIn order to remove these legs we are going to have to have the trailer. Supported. By the frame. SoMoreIn order to remove these legs we are going to have to have the trailer. Supported. By the frame. So you can use your jack stands and a jack to do.

How does 5th wheel landing gear work?

Electric 5th wheel landing gear is powered by an electric motor. This motor drives a reduction gearbox (usually a 3:1 ratio). The reduction box is attached to the main driveshaft that drives both legs. The driveshaft turns a bevel gear in each leg that in turn drives a bevel gear attached to a worm gear.

How do you install Lippert landing gear?

0:381:55Ground Control 3 Landing Gear Replacement - YouTubeYouTubeStart of suggested clipEnd of suggested clipUse your drill and socket to finish tightening the bolts. Down once the jack is properly securedMoreUse your drill and socket to finish tightening the bolts. Down once the jack is properly secured reconnect your jack harness. And test the jack for proper.

How do you lubricate a fifth wheel hitch?

3:534:465th Wheel Hitch Maintenance - YouTubeYouTubeStart of suggested clipEnd of suggested clipItself. You can take that same type of grease. And put a nice thin coat along the entire surface ofMoreItself. You can take that same type of grease. And put a nice thin coat along the entire surface of the horseshoe plate.

How do you grease gooseneck jack?

1:022:38How to Maintain Your BULLDOG® Square Tube Jack - YouTubeYouTubeStart of suggested clipEnd of suggested clipApply a small amount of automotive grease with the grease gun at the lubrication points found on theMoreApply a small amount of automotive grease with the grease gun at the lubrication points found on the Jack's. There will be two on the side of a sidewind jack.

Can you grease a trailer jack?

0:586:08trailer jack lubrication maintenance - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo I'm gonna take some regular old motor oil here. And then we're going to drip it down on the topMoreSo I'm gonna take some regular old motor oil here. And then we're going to drip it down on the top right on the top of that bolt just slow. Let it cover that bolt real.

Clunk, Oh Oh!

The passenger side landing jack on our Keystone Cougar fifth wheel suffered a major failure last week. I was in the process of jacking the trailer off the truck when I heard and felt a loud clunk. In fact, my wife who was inside setting things up immediately looked out the window and ask “What the heck was that?”.

Disassembly and Failure Diagnoses

I thought for sure I would find a stripped bevel gear or two on the top part of the leg, but to my surprise, they looked in pretty good shape. The culprit had to be the long worm gear mechanism, but I was having a heck of a time disassembling the leg to get at it.

Finding the Replacement FW Landing Legs

So the real bad news was there is basically no easy way to change that collar nut as it is stamped in place. I decided the best course of action was a whole new leg and while I was at it I may as well change out the other side. Who knows how close it may be to failure as well. I could find absolutely no numbers or markings on the legs.

Installing the New Trailer Landing Legs

The install was a very smooth process and everything fit perfect. All I needed was an hour of time, a few wrenches and a Philips screw driver. The legs came without the feet and locking pins so I had to transfer the old ones over. No biggie though. We were soon OK to disconnect our Cougar trailer again with our shiny new landing legs.

What motor is used for the 24-5N?

For our 24-5N we needed the gearbox that attaches to the Venture 9000PK 12v DC 30 Amp motor that drives our landing gear.

Do you need to disconnect wires on a motor?

NOTE: If your motor has ample wiring attached , there is no need to disconnect any wires. Simply rest the motor with wires still attached on the compartment floor or a table outside the door. If you must disconnect wires, be sure to mark them for easy reference.

Can you replace a gearbox without replacing the motor?

Don’t let your gearbox get that bad. The first time you hear something like this when extending the legs on your fifth wheel when unhitching, or hitching up, investigate further, immediately. Upon hearing such a noise, watch the motor as you extend the legs. If the motor assembly dances about in tune with the chunkity chunk chunk, the gearbox is probably going bad. The good news is, the gearbox can be replaced without having to replace the motor.

Product Page this Question was Asked From

I would check a couple of things here. First make sure that the battery you're hooked up to is still completely charged and in good condition. Also check that the wire connections are still secured - both the power and ground attachments. If issues still persist please let me know what model jack you have and we'll go from there. 66412

Follow up Questions

I would check a couple of things here. First make sure that the battery you're hooked up to is still completely charged and in good condition. Also check that the wire connections are still secured - both the power and ground attachments. If issues still persist please let me know what model jack you have and we'll go from there. 66412

Lead screw failure

Mine for instance has over 2,500 pounds of hitch weight and that’s a lot of work for a lead screw setup to do. And so it’s aware and they will fail eventually. So we’re going to talk about what you can do when they fail. Then we’re going to talk about what you can do to avoid failure and to buy as much time as possible.

Foot indestructible

So those are the four main components. Now only three of these will typically fail. The foot is pretty indestructible unless you forget to raise the landing gear. Or don’t have it up and you catch it on something maybe. But odds are that will last the life of the trailer. These other three components probably will not.

Preparation is important

So what happens if you’re prepared. Well if you’re prepared and like his was it was he couldn’t disconnect from this truck the vehicle. You know the truck and trailer were together. He’s trying to raise the trailer off the truck when the landing gear failed. So at that point it’s simply a matter of disconnecting your motor and your leg.

About levellers

Like I said the leveler, there’s more than one way to level if never-fail. I’ve got bottle jack I could use or something. But Ted these components without them you’re just you know not going to be in a very desired situation. So by being prepared we alleviate 90% of the hassle factor and you know probably 90% of the cost also.

Landing gear

If this fails it’s much more of a problem than if either one of these failed. These are much easier to replace. So let’s take a close-up of the landing gear lay here and what we can do to get the maximum life expectancy out of it. Okay let’s take a little close-up here. So if I can get this on camera. Now the top.

Have the right tools

A tool that will allow you to lubricate this 5th wheel landing gear very quickly and easily and thus buying you a lot more time out of this unit and so it doesn’t matter what type you have as long as you know the lead screw type landing gear.

Lubrication

Right here basically a piece of clear tubing and with the zerk fitting on the one end we have a cap the caps just for after use you can put this cap on and that prevents grease from coming out and making a mess and keeps it sealed. So this just slipped over that little screw. We fill the tube with grease.

Clunk, OH Oh!

See more on loveyourrv.com

Disassembly and Failure Diagnoses

Finding The Replacement FW Landing Legs

Installing The New Trailer Landing Legs