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Old 06-24-2017, 01:27 PM   #1
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Weird HWH jack issue. Help!!!!

This morning we moved from one camping spot to the next since we wanted to stay another night.

I packed up the motorhome and retracted the leveling jacks as always and drive 5 spots away. Got to the next spot, auto-leveled, but I didn't like how it was setting. Tried to retract the jacks but the front drivers side one would not come up. Figured it was because the motor was hot so I let it cool for 30 minutes. I tried to raise it again and it wouldn't go so I releveled again.

Once again, waited 30 minutes and tried to auto-store. Now all of the jacks will come up except for the front passenger side.

At this point I am at a loss. I have looked through all of the manuals I have as well as on the HWH site. I also tried manual jack retraction with the solenoid valve but either I am doing it wrong or it will not work.

If anyone has any ideas, I am all ears!!!! Thanks!!
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Old 06-24-2017, 01:43 PM   #2
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Do a quick look see on your hydraulic fluid level in the reservoir under the steps. You have to get under the steps outside to see the reservoir.

I would maybe also try a hard reset on the coach chassis batteries. Shut off for a minute and back on. Try it again.

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Old 06-24-2017, 01:57 PM   #3
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try,
turn on key, hit auto store, then try to raise by hand. (may have to use a pry bar or board.
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Old 06-24-2017, 01:59 PM   #4
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Yup--my 2003 era HWH gets weird sometimes if I get it out of sequence and try to re-level. Usually, I can put something under the jack pad and pry up the offending jack. Doesn't happen often but now carry a 4ft pry bar and some blocking, just in case.....
PS--doubt if on/off, bat disconnect, etc, will help. Individual jack solenoids controls lowering the jacks but believe dump/store is controlled by single relief valve within the pump manifold....
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Old 06-24-2017, 02:23 PM   #5
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Had a similar issue awhile back. I had to relieve pressure by opening up one of the hoses and draining 1/2 gal of fluid. Ended up being a problem with the shuttle valve. I now put 4" blocks under the pads so I can get under them by raising the airbags.
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Old 06-24-2017, 02:25 PM   #6
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Look for a member that goes by "azpete". He works for HWH and is available to call when you run into a problem like this.
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Old 06-24-2017, 03:01 PM   #7
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Your springs are what retract your jacks.
If you open the "T" valve the jack should retract.
Have you ever use WD- 40 on the shiny piston to clean and lube the jacks, should do once in a while. You spray on and wipe off and work the system until they all retract.
If that doesn't work than you need a crow bar or 2x4 as some of us carry, the piston seals maybe binding.
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Old 06-24-2017, 03:39 PM   #8
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Same problem experienced on our old gal. Shop tech said there was a leak in the line. However, as others do, I now carry a 4' 2x4 for the rare occasions when I have to lever it up. The HWH system will be the first item to get serious attention over the winter.
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Old 06-24-2017, 08:17 PM   #9
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All good replies and info. Thanks everyone. I will follow up with what I find.
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Old 06-24-2017, 10:00 PM   #10
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Be sure the engine is running while you deploy or retract the jacks.
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Old 06-24-2017, 10:21 PM   #11
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Quote:
Originally Posted by johnhicks View Post
Be sure the engine is running while you deploy or retract the jacks.
Good point, and high idle at that.
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Old 06-25-2017, 05:51 AM   #12
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Quote:
Originally Posted by johnhicks View Post
Be sure the engine is running while you deploy or retract the jacks.
My HWH system needs to have the key in the ACC position OR you get this unbearable alarm that will drive everyone and animal out of the coach.
I, too, am getting a lazy jack - passenger front. Sometimes I have to use a shovel to help it up. Doesn't take much effort. I have new springs all the way around, new pump and motor, new shuttle valve and rebuilt solenoids.
I will try gently cleaning the seal of this jack.
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Old 06-25-2017, 06:20 AM   #13
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the bigger issues is the hot motor. What caused it.

Loose connections, low fluid.

Motor should be able to run, for a while and not get hot.
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Old 06-25-2017, 06:29 AM   #14
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Contact AZPETE on the Irv2 forum. He works, or worked, for HWH and can answer your questions. His email is pfmaddox@att.net and his phone number is 602-549-3638
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