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11-30-2020, 01:08 PM
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#1
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Member
Join Date: Mar 2014
Posts: 46
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HWH jacks won't dump air before deploying
I have a 2019 LADP on a Sparten chassis. When we first bought it it would hurt and puff like a steampunk dream while driving. The Hadley air level system was very noisy. Back in June I got it to NIRVC in GA and they found a recall for that and performed the recall. Since then there are no more hissing and blowing noises, but when activating the HWH jacks, the air won't dump, nor will it refill the bags when retracting the jacks. I can lower the coach from the Hadley panel and return it to ride height from there, but the HWH panel doesn't. Everything else about the HWH system is working normally. After two unsuccessful attempts at a fix, Sparten has said it's a known problem on K3 chassis but they haven't identified a fix. I'm a tad frustrated since this started in June. Has anyone else had this issue?
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11-30-2020, 08:03 PM
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#2
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Jun 2017
Posts: 1,473
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I have a 2018 Mountain Aire on a K3 chassis. I had the Hadley modification done such that the Hadley panel now only works when the engine is running.
Before and after the mod, I was able to dump air from the HWH panel.
__________________
2018 Newmar Mountain Aire 4531
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12-01-2020, 04:21 AM
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#3
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Senior Member
Join Date: Sep 2016
Location: Sarasota, FL
Posts: 5,228
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Sounds like someone unplugged the line from the HWH panel to the master dump/fill valve?
__________________
Rick and Larrie Dee
1997 40' Newmar London Aire DP CTA 8.3 (Mechanical) 325 Spartan MM
Bringing her back to her glory.
'08 Jeep GC Overland.
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12-01-2020, 06:28 AM
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#4
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Member
Join Date: Mar 2014
Posts: 46
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Mine too only works when he engine is running, they just can't seem to figure out why the HWH deployment won't cause the air to dump. The delay is still there before the jacks begin to deploy but nothing happens during that time. Same for retraction.
I hope it is something as simple as a broken or disconnected wire, but they've had two shots at finding it with no results.
Thanks.
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12-02-2020, 05:24 AM
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#5
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Senior Member
Join Date: Sep 2016
Location: Sarasota, FL
Posts: 5,228
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Reach out to Paul Maddox - (AZPETE on the Irv2 forum). He works for HWH and can answer your questions. His email is pfmaddox@att.net and his phone number is 602-549-3638. He is a Commercial Member and has posted that his phone is always on, and if not answered, leave a message.
He has helped others on this forum and I am sure he can help you. He helped me through the rebuild of my leveling system.
__________________
Rick and Larrie Dee
1997 40' Newmar London Aire DP CTA 8.3 (Mechanical) 325 Spartan MM
Bringing her back to her glory.
'08 Jeep GC Overland.
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12-02-2020, 05:39 AM
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#6
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Jun 2017
Posts: 1,473
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Read part 6 of the service manual. It provides a pretty detailed troubleshooting section including checking for voltage on specific connectors/pins.
https://www.hwhcorp.com/ml48380.pdf
__________________
2018 Newmar Mountain Aire 4531
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12-02-2020, 05:50 AM
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#7
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Registered User
Forest River Owners Club RV Trip Wizard
Join Date: May 2009
Location: Tampa, Florida
Posts: 1,663
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I'm wondering if they are auto or manual jacks?
As AUTO Jacks have a re-set button. To perform a reset find an empty flat level parking lot. OPEN the JACKS Control box while setting in the driver's seat. If I recall correctly you hold the button for 5 to 10 seconds. (sorry not sure which but seemed center bottom) They will AUTO start the reset of the jacks as they will go down fully and back up dumping air and correcting themselves. Then once down for a few seconds, they will auto retract fully, and your all set. This I did on a Winnebago tour in 2005. Good Luck hope this will work for you.
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12-02-2020, 06:56 AM
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#8
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Member
Join Date: Mar 2014
Posts: 46
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Thanks everyone for the suggestions. I spoke with someone at Sparten yesterday and he made the right noises about getting to the bottom of it soon. We'll see.
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