Troubleshooting New Landing Gear Leg and Motor Blowing Fuse When Extending

Question

Question:

I have a 2002 snowbird legend. I started having trouble blowing the landing leg motor fuse while raising. I thought maybe the motor was going bad so I purchased a new Stromberg motor. While I was waiting for the new motor I decided to check out the landing legs for wear while I had the front wall off. There was considerable wear so I ordered a new set of Stromberg-Carlson landing legs from etrailer. I also checked the wiring for a possible short but found none.When they arrived I made sure that there was plenty of grease on the jack screws and the gears. I re-installed everything and made sure it all worked before I replaced the front wall. The next time I raised the front again I blew a fuse. There is no problem retracting the legs and no problem extending until after I put a load on it. Even then it doesnt blow until I run the motor for about 30 seconds or so. I also thought maybe the switch may be bad so I ordered and installed a new one. It still blows the fuse after about 30 seconds under load. What can I do?

asked by: Donald R

0

Expert Reply:

You have pretty much ruled out the legs themselves and the motor from being the issue since you now have all new components. Fuses blow because the circuit is getting overdrawn - the tricky part is finding out why this overdraw is occuring.

I first just recommend making sure that you aren't exceeding the weight capacity of the landing gear system with the weight of the trailer. This would cause the jacks to draw too much amperage and in turn blow the fuse, especially since it is only happening with a load applied and while extending.

If weight isn't the issue then there is likely a short somewhere on the wiring. You did mention that you checked this but I recommend giving it one more look, tracing the wires from the battery to the motor and inspecting them for any exposed or damaged sections. Also make sure that the ground wire is securely connected to a clean, bare metal surface that is free of corrosion. A weak ground can certainly lead to the fuse blowing since it would prevent enough power from getting to the motor.

Also make sure the trailer battery is fully charged and in good condition. It's very possible that the battery is low or bad which is causing the motor to keep trying to draw power from it that isn't there.

Please just let me know if you still aren't able to locate and resolve the issue and I will be happy to look into this further.

expert reply by: Chris R

0

Answer 1

If it a jack isn't able to raise a trailer properly it's generally because it isn't getting enough power or there is hardware problem. I would first check the wiring and make sure there isn't a short. Also, inspect and clean the…

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Answer 2

It doesn't sound like the gears to me because you are able to retract all but the 2 inches, so I don't think the Lippert Components Venture Lead Leg Repair Kit for 5th Wheel RV Landing Gear #LC146059 will solve your problem. If the gears were…

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Answer 3

If your landing gear leg (inner or outer leg) is bent then I strongly advise replacing it. A bent leg can be an indication of other unseen damage. We have numerous replacement legs available for both the lead leg and the follower leg. But it depends…

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Answer 4

In order to rebuild the gears inside your landing gear legs you'll need the Lippert Components Venture Repair Kit for 5th Wheel RV Landing Gear part #LC146060 for follow leg or part #LC146059 for lead leg.

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Answer 5

The most cost effective option we have for you to fix the issue you have with the stripped gear inside of your lead landing gear leg would be to obtain the Lippert Components Venture Lead Leg Repair Kit part #LC146059. If you want to replace the…

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Answer 6

It sounds like your two landing gear legs are no longer level with each other. If this is the case you should be able to remove the cross shaft and then crank the leg up using a wrench. If I don't understand your issue correctly let me know.

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Answer 7

If the bevel gears/gearbox for the dual-motor landing gear on your 2011 Keystone Laredo 266RL 5th wheel were badly worn or damaged you would most likely be able to hear it. These conditions typically cause a good bit of noise as the jacks try to…

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Answer 8

Before you go replacing your landing gear you should check a couple of things first to ensure that a full replacement is the way to go. There is a couple of reasons why a jack will blow fuses and struggle going up and down. One being weight of the…

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Answer 9

The note that you're seeing on Ford's towing chart for your 2018 F-350, which states that the "gooseneck tow rating is shown, 5th-wheel tow rating limited to 5th-wheel hitch rating of 18,000 pounds" certainly does seem to be…

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Answer 10

Since the nose of your Montana 3150RL is designed for short bed turning clearance and your 2018 Ford F-350's short bed is actually longer than most short beds at 6-3/4 feet you'd most likely never need the use of a slider. Because of that the…

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Answer 11

All of the feedback we have received on the Lead Jack Repair Kit part #LG-146059 has said that with the jack removed from the trailer the repair kit installs very easily. I spoke to my contact at Stromberg Carlson and she said there is no reason you…

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Answer 12

When a trailer jack has to do more work it will draw more power. If it draws excessive power then the fuse will blow. Something is causing the motor to draw excessive power. If the weight of the trailer has not changed then it could be a wiring…

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Troubleshooting New Landing Gear Leg and Motor Blowing Fuse When Extending

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