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Old 11-10-2016, 10:58 PM   #1
par
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Leveling Jacks are stopping and starting

We are on our way to Texas to spend the Winter and the last 2 campsites when it's time to pin the 5th wheel and retract the jacks they stop, then 5 to 10 seconds later they start up again. This repeats about 3 or 4 times until they are fully retracted. The jack controller is in Auto Retreat mode when this is happening.
Anybody seen this or have any insight?
Thanks,
Paul
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Old 11-10-2016, 11:28 PM   #2
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My guess is that you have too small of an auto resetting mini breaker on your charger bar wiring. That would have been installed by Redwood when your rig was built. Located near your batteries and hydraulic pump on the wall wiring. It should be the one that goes to the Trombetta for the hydraulic pump. I believe a 50 amp auto resetting mini breaker would do the trick. The smaller one you have now is getting hot under load and interrupting the hydraulic pump. Look for "12 volt 50 amp circuit breaker" on ebay, google shopping etc or your local auto parts store. Like the metal one in the attached picture or Grey ones like most rv's use.

Chris
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Old 11-11-2016, 01:43 AM   #3
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Have you tried retracting manually, not auto retract? Ours does weird things when using auto retract also so we don't use it, but works fine manually.
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Old 11-11-2016, 05:30 PM   #4
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Thank you both for your replies.

Chris,
If I were to do a 'manual retract' without the fuse flipping do you agree that the fuse would not likely be the issue? I searched around the battery compartment (at the front of the unit) but can't see a fuse near the hydraulic pump. The fuse may be located closer to the battery which is located in a non-accessible space behind the basement since the battery space in the front is occupied by our residential fridge batteries. I need to empty the entire basement space and remove the wall at the back to get at that battery so I will wait till we get to our destination, assuming this tripping continues.

Another question, what is 'Trombetta', I've never heard that word?

Paul
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Old 11-11-2016, 08:03 PM   #5
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Paul, Probably correct about the auto resetting fuse/mini breaker. But retracting jacks is probably less work on the pump than extending and lifting our big heavy redwoods. Where ever your hydraulic pump is located, so should your 10 amp in-line fuse holder. Usually sticking out of the snake skin loom. If that fuse is blown then your keypad wouldn't have power.
Trombetta is the name brand for Lipperts Polarity reversing solenoid. It changes the polarity so the pump runs in both directions, clockwise and counter-clockwise. The trombetta is located usually on the pump housing or really close. Either 2 or 4 gage wire is used to connect it to electric motor on the hydraulic pump. I suggest you look on Lipperts site for some sheets on how to troubleshoot the trombetta, etc. Lippert Components the leading OEM and Aftermarket RV Parts and Accessory Supplier

Below is a picture of a trombetta:


Chris

http://www.lci1.com/assets/content/s...pplication.pdf

http://www.lci1.com/assets/content/s..._Component.pdf

http://www.lci1.com/assets/content/s...y_Solenoid.pdf

http://www.lci1.com/assets/content/s...ting_Guide.pdf
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Old 11-11-2016, 08:17 PM   #6
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Is it possible too many others things are going on that make the jacks stop /overload?

maybe just a loose connection 'fooling' the fuse ?
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Old 11-11-2016, 10:44 PM   #7
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Johnboyto,
I was poking around the bus bar and found a moderately loose connection from the pump so I tightened that up. We will see in the morning if that the was the issue.
Thanks,
Paul
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Old 11-11-2016, 11:05 PM   #8
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We had the loose connection issue, no trouble since tightening it
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Old 11-12-2016, 05:14 PM   #9
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Quote:
Originally Posted by r time soon View Post
My guess is that you have too small of an auto resetting mini breaker on your charger bar wiring. That would have been installed by Redwood when your rig was built. Located near your batteries and hydraulic pump on the wall wiring. It should be the one that goes to the Trombetta for the hydraulic pump. I believe a 50 amp auto resetting mini breaker would do the trick. The smaller one you have now is getting hot under load and interrupting the hydraulic pump. Look for "12 volt 50 amp circuit breaker" on ebay, google shopping etc or your local auto parts store. Like the metal one in the attached picture or Grey ones like most rv's use.

Chris
I had to replace this on mine last year. It was the correct size, just failing. I got the new one at NAPA.

Mark
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Old 11-12-2016, 05:38 PM   #10
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Quote:
Originally Posted by par View Post
Johnboyto,
I was poking around the bus bar and found a moderately loose connection from the pump so I tightened that up. We will see in the morning if that the was the issue.
Thanks,
Paul
We also had a loose connection resulting in the same conditions you described which was at the pump motor causing the off/on condition. Did not catch this in time. The heat from the loose motor connection damaged the motor. We had a complete system, including the hydraulic valves replaced with a newly redesigned system from LCI. I tie wrapped all cables and wires into neat runs which should help to reduce motion at the connections. So far, so good. This event did help me learn and use the LCI manual system described in the Level Up manual. Hope that will not be necessary again.
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