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Old 08-21-2015, 11:52 AM   #1
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HWH leaking down

When I level out my RV with my HWH level system after a day or two it seems like they leak down some!
Is there a check valve or something that might need to be replaced to prevent this from happening?

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Old 08-21-2015, 02:09 PM   #2
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Are you sure it's not just the jacks sinking into the ground a little? I've had that happen.

Each jack has it's own control valve, so it would be very unusual for ALL the jacks to leak down the same amount.

2006 Mandalay 40E, Cummins ISL 400 HP

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Old 08-21-2015, 02:15 PM   #3
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The leveling system on our Allegro Open Road indicates level and round items will roll to the left front of the coach every time we travel. I almost always end up leveling manually.
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Old 08-22-2015, 08:54 AM   #4
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info for leveling your coach are on the hwh website, download a service manual for your system. w/reeder. go out when the jacks are extended. mark each on the silver shaft with a marker pen a couple of places about 1/2 inch apart. check the coach the next day about the same time and temp. this will tell you which cylinder is leaking down. if there are no apparent leaks on the cylinder, check the solenoid valves. tighten the 1/4 brass nut on the end of the solenoid valve. if it continues to leak down, replace the solenoid valve.
harjac, you probably need to reset the level sensor. that procedure is also in the service manual. if either of you have any questions, please feel free to call me. i can help with diagnostics. i do not sell parts or solicit service on this forum.
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Old 08-22-2015, 09:14 AM   #5
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Originally Posted by Harjac View Post
The leveling system on our Allegro Open Road indicates level and round items will roll to the left front of the coach every time we travel. I almost always end up leveling manually.
Harjac; Welcome to iRV2 .

As " azpete " indicates there are adjustments that can be made to the auto leveling system, to correct your problem.

Welcome to HWH Corporation

Downloads of manuals; user and repair; for their systems are available, on the site.
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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Old 08-23-2015, 12:04 PM   #6
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Thanks for the info. Have not taken the time to solve the problem because it has not been a major nuisance. I did, however, order the brochure when I got your comments.
Again, Thanks

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