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Old 10-24-2009, 11:07 AM   #1
Junior Member
Join Date: Oct 2009
Posts: 2
New Member needs help with HWH Jacks

We have a 2002 40' Allegro Bus on a Freightliner XC chassis with 610 Series HWH Jacks. On our way to South Texas the jacks would not retract. Opening the solenoids did not allow them to retract. The fuses were okay and the electrical signal to retract the jacks was getting to the system, The service guy had to bleed the lines to get them to retract. He bled them from the outside in; RF, RR, LR, LF. They didn't release until he got to the last line. We didn't extend them during the rest of our trip. The service guy in Texas had us put the jacks down, and they would not retract. He confirmed that everything is working electronically. He suspected that the valve under the LF front hydraulic line may be bad. His office checked to see what the possible problem could be, they were told that it could be the valve or the pump. They didn't want to order a part that didn't fix the problem. The pump is working since the jacks can be extended. Could the pump still be causing the problem, is it the valve or is something else going on?

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Old 10-24-2009, 12:32 PM   #2
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Join Date: Oct 2009
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Posted in the wrong place

I posted this right after the service guy left so I was focused very narrowly. Sorry I have since investigated the other forum postings. It sounds like I have a shuttle valve problem. I'll contact HWH Monday

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Old 10-25-2009, 10:51 AM   #3
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Winnebago Owners Club
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Location: Weyauwega, WI US
Posts: 5,213

Welcome to iRV2. We are glad you joined us. Sorry to hear about your jack problems. I have had to call HWH for help before and I found them to be very knowledgeable and helpful. If you feel comfortable with a voltmeter they may want to walk you through some tests to identify your problem.

Don & Bev Morgan Weyauwega WI, 05 Itasca Horizon 40KD, 400 HP Cummins, Delorme GPS LT 40, Toad 07 Saturn Vue AWD, Air Force One, TST 510 TPMS, Mayor of Weyauwega 2007 - 2013, Waupaca Co Board Supervisor 2010 - 2014
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Old 10-25-2009, 11:03 AM   #4
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Location: Tallahassee
Posts: 521

I always carry an 8 foot 2x4 to put under the jack and raise them. My previous MH had a problem of not coming up all the time or all the way up, so I put the 2x4 with a block under them and it would raise them to their normal up position. Just something else to tote arount with me. s/Toby
2006 Holiday Rambler Ambassador 38PDQ
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Old 10-25-2009, 11:33 AM   #5
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Join Date: Jan 2009
Location: United States
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Originally Posted by Toby View Post

I always carry an 8 foot 2x4 to put under the jack and raise them. My previous MH had a problem of not coming up all the time or all the way up, so I put the 2x4 with a block under them and it would raise them to their normal up position. Just something else to tote arount with me. s/Toby
And I thought I was the only one .....(<---NOT)

It amazes me that we have these amazing pieces of technology, (with the amazing price tag) and we must resort to the "original tool" (wooden lever) to get it to operate correctly..

Michael (Home base Northern CO)
USED TO HAVE; 03 Alpine 40MDTS Now RVless
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