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Old 09-18-2014, 08:54 PM   #1
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Hydraulic leveling jacks

I've been chasing a popping noise in the hydraulic levelers and in the process of following instructions from Equalizer went to look at the pump and manifold, In the process I noticed there is no retract line for the right front jack plumbed to the valve body. I've attached a photo to show that port on the manifold is capped. Since the system works properly there has got to be another manifold or tee that allows that jack to share retract pressure with another line. Can anyone clear this up for me?
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Old 09-18-2014, 09:20 PM   #2
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Don't know what to say. My 2008 Berk has the line.

With regard to popping noise there have been numerous postings on this forum regarding popping noise and the jacks punching through their pads. The noise is apparently the pad giving way. You might want to search for threads regarding jack pads in the Berkshire section.
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Old 09-18-2014, 09:21 PM   #3
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I don't think it's possible that two jacks could share a retract line. Wait a minute....................

Ok that's long enough, it is possible that they can share a retract line if and only if the two front jacks work together going in that direction, which is possible because others have stated that on the latest models we cannot work each jack individually.
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Old 09-18-2014, 09:24 PM   #4
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The popping noise is coming from air in the system, there is a procedure to follow to fix this, which I think you were working on when you made your discovery.

The jacks breaking through the pads is a whole other issue. You will only hear that noise once and from what I have read it's loud and shakes the coach.
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Old 09-18-2014, 09:26 PM   #5
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I might add I would be under the coach tracing the lines. Does not sound right.
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Old 09-18-2014, 11:02 PM   #6
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Got and have done all the bleed procedures. Have read all the posts. Emailed Equalizer and am still having the problem. Landing pads have not punched through and appear to be in good shape. Can't trace the retract line from the jack because it disappears above the frame forward of the basement.
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Old 09-18-2014, 11:13 PM   #7
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Quote:
Originally Posted by edgewant View Post
Got and have done all the bleed procedures. Have read all the posts. Emailed Equalizer and am still having the problem. Landing pads have not punched through and appear to be in good shape. Can't trace the retract line from the jack because it disappears above the frame forward of the basement.
Lippert dwgs show pairs of jacks with returns in parallel, saves hose and no control is necessary when retracting
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Old 09-18-2014, 11:30 PM   #8
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Berkshires have Equalizer systems. What you say may apply but then I don't understand how you can retract the left side jacks without retractiing the right front.
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Old 09-19-2014, 12:10 AM   #9
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OK. Anybody with a 2013 or 2014 that can look at their hydraulic manifold and provide feedback would be really appreciated.
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Old 09-19-2014, 08:17 AM   #10
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My 2014 looks the same as yours. I just checked it.
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