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Old 05-13-2015, 05:13 PM   #1
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leveling jack issue

Working on my 2K Newmar Dutchstar's leveling jacks. All four go down perfect however when retracting three come up and the right rear stays put. the only way to get it back up is to pry with 2x4 and block. Controls seem to work fine. Oh yes the springs are connected and in good shape.

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Old 05-13-2015, 05:49 PM   #2
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jack wont retract

I have this problem on and off i spray the extended jack with silicone lube and usually this will get rid of the issue for a while there is a valve in the top of the jack that can be replaced but if you can retract the jack with help its probably ok also the springs are prone to loss of tension as years go by i had new ones made at a local spring shop for half the price of oem. hope this helps Mike

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Old 05-13-2015, 06:19 PM   #3
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I have the same problem with my jacks at times. While the jacks are down, I take auto transmission fluid, put on a rag, wipe down the extended jack. Then take another clean towel and clean off the transmission fluid. This leaves them very slick. I also take a cotton swab and using transmission fluid clean the seals above the extended rod. The reason for using transmission fluid is because it is the same fluid as used in the jack hydtrolic system and will not hurt the rubber seals. This works for long time. I think what happens is when the jack is extended, it gets crud on the rod and the wiper seal when bringing in, the jack does not wipe all the crud (dirt, sand, etc) off the jack.
Also my 4 jacks takes about 4 minutes to come in. The back ones are the longest because they are farthest from the motor. I was told this by a HWH tech.
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Old 05-13-2015, 06:26 PM   #4
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Spray silicone is actually better. When it dries it does not leave an oily film that will attract dirt. I use it when my jacks are either slow or won't retract.

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Old 05-14-2015, 06:20 AM   #5
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It might be you have a valve sticking in the pump assembly. Try turning the manual valve release on the pump manifold to see if it retracts fully...if it does, its probably a valve solenoid not opening all the way.

I have one that doesn't hold pressure, so one jack slowly retracts...going to replace it soon.
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