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Old 07-24-2019, 05:18 PM   #1
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HWH Leveling jack question

Hi all. I am trying to help my dad with his RV and I have a question about how you would go about replacing a stuck jack. The jack system is a HWH hydraulic system on a 99 Allegro Bus RV and the rv has been sitting for a while. I have ran threw HWH emergency instructions on getting the jack back up and nothing worked so I believe the back itself it complete toast as I also removed the loosened the hydraulic hose as well. I got a floor jack under the jack and tried to get it back up but all it does is lift the motorhome and does not go back up.

If were to take this to a shop do they just cut the springs to remove it? I am leaning toward that option but it seems kind of dangerous to cut a tensioned spring.

Eddie
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Old 07-24-2019, 07:01 PM   #2
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If you had the supply hose off and the floor jack wouldn't move the HWH jack then the shaft is probably bent .

You could try driving multiple wooden wedges into the spring coils to lengthen them to the point where they can be removed .
Putting wedges in the springs works for installing new ones.
Then pull the jack mount bolts to get it out for replacement.
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Old 07-25-2019, 05:22 AM   #3
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Contact Paul at 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.
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Old 07-25-2019, 12:50 PM   #4
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on my old London aire with hwh system i had same problem. on the pump there are solenoid's and there are a couple t like nuts by them if you open one then the pressure is released and mine came up.
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Old 07-26-2019, 10:29 AM   #5
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Hi Eddie! Welcome to IRV2! We're sure glad you joined the gang!

I can't advise you on the jack problem since I have air leveling only!

Just noticed you are kinda new and wanted to say hello!

Good luck, happy trails, and God bless!
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Old 07-26-2019, 01:57 PM   #6
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eddie, please call me. i can help 1 602 549 3638.
i work for hwh full time, and live in paulden arizona, near Prescott.
the jack probably is bent, and will need to be replaced.
if you can get the AP model number off it or the one on the other side, will be the same number.
i can get you a repair part number for a remanufactured cylinder and springs.
paul
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Old 07-27-2019, 10:02 AM   #7
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Quote:
Originally Posted by azpete View Post
eddie, please call me. i can help 1 602 549 3638.
i work for hwh full time, and live in paulden arizona, near Prescott.
the jack probably is bent, and will need to be replaced.
if you can get the AP model number off it or the one on the other side, will be the same number.
i can get you a repair part number for a remanufactured cylinder and springs.
paul


Paul, all of my jacks have different AP numbers. I do have one that does not go up all of the time. Also, one leaked a little when it was extended almost to the max. Where could I get the leaking one repaired and the approximate cost. My system is a HWH 625.
Thanks
Kirby
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Old 07-27-2019, 10:19 AM   #8
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send a email to service@hwh.com
include name, address, phone number, vin of coach, brand of coach, year and model. this is to register the one year warranty on the repaired part.
also a. brief description of your problem.
they will. respond with a RGA number to send the part under. tracking
the two front jacks are the same, even with different numbers. the two rears will also be the same on either side.. it takes two to three weeks to get the part back. the only price they will quote is for a reman part, since they dont know what is wrong with yours.
paul maddox
i work full time for hwh. i do not solicit part sales or service work on this forum.
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Old 07-27-2019, 08:03 PM   #9
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Thanks everyone for the replies. Right now I am just trying to get the thing off being the springs are expanded and I will call about replacements. The wood idea is interesting, think I might try that tomorrow and see if I can get them off, I believe I have a bunch of wood shims I can use to try. I am pretty sure its toast so a replacement will be needed but getting it off so the RV can be driven is what I am trying get to now.

Eddie
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Old 07-28-2019, 09:04 AM   #10
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cut the springs with a grinder. remove the entire jack assembly if you cant get the cylinder far enough off the ground to remove it.
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Old 07-28-2019, 03:53 PM   #11
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Quote:
Originally Posted by EPA570 View Post
Thanks everyone for the replies. Right now I am just trying to get the thing off being the springs are expanded and I will call about replacements. The wood idea is interesting, think I might try that tomorrow and see if I can get them off, I believe I have a bunch of wood shims I can use to try. I am pretty sure its toast so a replacement will be needed but getting it off so the RV can be driven is what I am trying get to now.

Eddie
The nice thing about HWH is that they quote you a rebuilt jack but if they only find a seal or something easy, they only charge labor and parts. I sent 4 solenoids in for rebuild and paid less that what they quoted me for 1 rebuilt solenoid.
I'm going to plan a trip through Iowa and stop to get all 4 of my jacks rebuilt. My buddy got all 4 rebuilt (he sent them in) for 450ish including freight (from HWH).
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Old 07-29-2019, 06:45 AM   #12
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Originally Posted by azpete View Post
send a email to service@hwh.com
include name, address, phone number, vin of coach, brand of coach, year and model. this is to register the one year warranty on the repaired part.
also a. brief description of your problem.
they will. respond with a RGA number to send the part under. tracking
the two front jacks are the same, even with different numbers. the two rears will also be the same on either side.. it takes two to three weeks to get the part back. the only price they will quote is for a reman part, since they dont know what is wrong with yours.
paul maddox
i work full time for hwh. i do not solicit part sales or service work on this forum.
Thanks Paul.
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