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Old 10-06-2019, 11:27 AM   #1
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Join Date: Mar 2016
Location: West Virginia
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Erratic, Balky front leveling jack operation

2016 Crossroads Cruiser 322RL 5th Wheel with Lippert Generation III leveling jacks.

The trailer has about 20,000 miles on it, with 80 - 100 hook ups/ disconnects. Maybe 60 - 200 cycles on the gear. Pin weight is 3020 pounds.

Over the past year the jacks have slowly lost their ability to raise and lower the nose of the rig to disconnect, level and hook up. It is now to he point that they may run for a few seconds, sounding like they are laboring heavily, and then shut down. Pushing the control button may or may not get them to move. Sometimes they run for a few seconds and stop; run for a second or two and stop; or not do anything.

Several calls to Lippert tech support. Apparently the system will not run if voltage drops below 12 volts. I have installed new batteries, cleaned every contact in the power feed circuit to the jack controller, and even ran new power lines direct from the battery buss to the controller. Any advice on what size fuse/circuit breaker I should install. Each jack has a 30 amp CB on it. I have 12 volt plus at all points in the system, even at the jacks themselves.

Yesterday the Lippert tech told me that apparently I have a problem they cannot fix over the phone and for me to take it to an authorized dealer. Luckily, there is one about an hour from me.

Has anyone had problems like this? If so, what was the fix?

BTW, raising and lowering the rig using a drill is not all that much fun. At least there is an inverter in the nose bay so I can use an electrically powered drill. Battery drill eats up batteries. I was advised to disconnect the power leads to the jacks when using a drill. The jack motor becomes a generator and the potential for damaging the controller is present. I don't know, maybe I have cooked my controller.

I know I have rambled on too long, but this problem has been growing all summer long, including a 12,000 mile trip to Fairbanks. Great trip other than the jacks acting up and 3 of the 4 springs breaking. I have 4 new ones installed now. There is a shop in Whitehorse that carries a good stock of springs.

Here I go, rambling again.

Have a good day and happy camping
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Old 10-06-2019, 10:19 PM   #2
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Do you raise and lower the landing gear on the trailer battery only? I only operate my landing gear when the trailer is either connected to shore power or while plugged into my truck.
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Old 10-07-2019, 10:04 AM   #3
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Grease

I keep mine greased. There is a grease fitting in the basement, high up on the landing gear. It takes plenty of grease.

I also have the RV on shore power or plugged in to the tow vehicle to provides plenty of (dcA) amperage to the landing gear motor.

My peer at YNP never greased his and it cost him a new landing gear.
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Old 10-07-2019, 10:56 AM   #4
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Thank you for the replies.

Yes, I almost always have the truck hooked up or on shore power. Very rarely on battery alone. That does not seem to make any difference.

Hmmm. Not aware of a grease fitting. I will go looking for it with grease gun in hand, though it may be too late for this gear. The Lippert techs never mentioned a grease fitting.

I have greased the extended shaft portion, but that did not seem to do much more than collect dirt. I cleaned that grease and dirt off.

Thanks again
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Cummings 6.7l Diesel
Allison Tranny
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