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Old 03-11-2016, 04:13 PM   #1
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Jacks fail to come down

I have HWH 325 system that refuses to move down and I need some help to find the faulty part. Her are the symptoms

1. Pump runs when any UP button on the control panel is pressed.
2. Slide operate OK
3. Retract seems to work OK
4. Dump operates OK
5. All Jack LEDs are out red and yellow

I have replaced the 50psi switch no effect. I tried the jump around the 50psi switch with not effect.

Thank in Advance

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Old 03-11-2016, 04:20 PM   #2
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By the "up" button, are you referring to the button that should put the jacks down? I havent heard of those symptoms, but because your slides work, but not the jacks, I would suspect the shuttle valve.

Paul & Ann Iowa
2005 Winnebago Voyage 38J
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Old 03-11-2016, 04:21 PM   #3
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Hello Jim, send this gentleman a PM message and he will give you his cell number to call, and he can maybe help you out. He works for HWH and knows the systems.

And one more thing
2000 Newmar MADP 4060, 350ISC, Spartan MM, IFS 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006Ultra & 1989 Springer
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Old 03-11-2016, 07:54 PM   #4
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X2 on the shuttle valve. Mine went bad a couple years ago and I had the same symptoms. If you are in a pinch, you can bypass the valve. Consists of removing a piece of piping, and capping it off. I don't have the exact procedure, as it's been a while, but you should be able to get it online. That would confirm if your problem is the valve.
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Old 03-11-2016, 07:57 PM   #5
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Sorry, Up dose mean down in this case. and the shuttle valve is on my list of things to replace just haven't found one yet.

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Old 03-27-2016, 06:18 PM   #6
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Thanks to all my jacks are now working after placing the shuttle valve.


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