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 > Leveling Jack lights up while driving

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RVROSE

Chardon, OH

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Posted: 06/26/05 08:13am Link  |  Print  |  Notify Moderator

We just got back from a two week trip when an unexpected thing occurred. The leveling jack warning light and irritating buzzer came on while driving. Each time it was the right front jack that slipped out of it's storing height and sent off the warnings into the cockpit.

My temporary cure was to pull over, drop both the jacks on the right side a little bit, spray and clean with WD-40, and re-store the jacks.

It's the weekend now, but I'll call HWH and/or Newmar on Monday and talk with someone then. What do you think they'll tell me?

It was really unnerving to have this happen, especially the first time. It got easier to handle and accept when it happened 5 more times on the trip. The first time I blamed I-44 in MO. That was a particularly rough road from St. Louis down to where we stopped for the night. I'm sure every nut and bolt on the rig thought about leaving home for the night. Well, this Nut learned not to take I-44 on the return trip.


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djevans

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Posted: 06/26/05 08:17am Link  |  Print  |  Notify Moderator

RVROSE . . .

Just a possibility, but you might be just a little low on fluid and I'd certainly check it if you haven't and add a little even if it isn't exactly showing low.


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jimmyrain2000

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Posted: 06/26/05 08:20am Link  |  Print  |  Notify Moderator

This is not uncommon with HWH leveling jacks. We had the same thing happen with ours in our other RV. The remedy was to drive with the "store" button selected and illuminated. This will not hurt the system in any way. I do not know what model of jacks that comes with your rig, but here is a link for HWH. Hope this helps. http://www.hwhcorp.com/newmarman.html



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Chuck Lofty

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Posted: 06/26/05 08:21am Link  |  Print  |  Notify Moderator

RVRose, Had the same problem with my 2004 DSDP and it was a simple matter of driving with the jacks turned on and in the store position. Seems they shake down a bit as you travel and you are suppose to keep them turned on so they continually adjust themselves.


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jjoe

Charlotte, NC

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Posted: 06/26/05 08:22am Link  |  Print  |  Notify Moderator

I had that happen once and turned out to be that the fluid was a little low.


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RVROSE

Chardon, OH

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Posted: 06/26/05 08:30am Link  |  Print  |  Notify Moderator

From RVRose,
I just read the first four responses to my query. While I'm sitting here at the computer I'm wondering how I can have the "store" button turned on while I'm driving. Don't you have to have the hand brake activated to make the leveling buttons work? I've tried a couple times to drive with the hand brake on and I get real bad mileage that way.

FredNSue

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Posted: 06/26/05 08:30am Link  |  Print  |  Notify Moderator

I don't own HWH jacks, but it doesn't seem right that you should have to keep the system on to keep the jacks up. Hydraulic leak or some failure? If the system is on and the jacks settle down a little then the sensor detects it and turns on the pump to run it back up. Why should it go down in the first place? Just my thoughts. Fred


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dicnic

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Posted: 06/26/05 08:34am Link  |  Print  |  Notify Moderator

As others have posted, add fluid. Mine would lite up when I went around a sharp corner, I added fluid and it was fine.


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wolfe10

Texas

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Posted: 06/26/05 08:34am Link  |  Print  |  Notify Moderator

Over 90% of the time with the automatic system this is due to IMPROPER STOW TECHNIQUE.

With the HWH automatic jacks, the proper way to stow is to wait until you are ready to start the engine to leave. With engine running, hit the on button to turn the system on. Now hit the store button. DO NOTHING ELSE-- REPEAT DO NOTHING ELSE. The system will automatically turn itself off within 5 minutes.

If you hit off after the light goes off and jacks "sound" stowed, you will trap a little hydraulic fluid (Dexron III) in those long lines. Same thing happens if you turn off the ignition before the cycle has completed. Particularly with large temperature rises during the day which cause a little expansion of fluid, there is enough trapped fluid to trigger the alarm and in some cases to even kick down a jack.

* This post was edited 06/26/05 10:27am by wolfe10 *


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Economical Handyman

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Posted: 06/26/05 09:16am Link  |  Print  |  Notify Moderator

wolfe10 wrote:

Over 90% of the time this is due one of two things. Low fluid level (check with jacks completely stowed) OR IMPROPER STOW TECHNIQUE.

With the HWH automatic jacks, the proper way to stow is to wait until you are ready to start the engine to leave. With engine running, hit the on button to turn the system on. Now hit the store button. DO NOTHING ELSE-- REPEAT DO NOTHING ELSE. The system will automatically turn itself off within 5 minutes.

If you hit off after the light goes off and jacks "sound" stowed, you will trap a little hydraulic fluid (Dexron III) in those long lines. Same thing happens if you turn off the ignition before the cycle has completed. Particularly with large temperature rises during the day which cause a little expansion of fluid, there is enough trapped fluid to trigger the alarm and in some cases to even kick down a jack.

Brett,
What is the reason for having the engine running, before turning the system on?
Thanks
DeWayne


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