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Old 03-06-2013, 05:32 PM   #1
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power gear level jacks

The left front (driver side) Jack on my 03 Dolphin LX does not fully retract; it stays down about 2 or 3 inches. If I force it up, the right Jack drops about the same distance as the left rises. Anyone had this problem or any thoughts for correcting the problem?

Any help appreciated.
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Old 03-06-2013, 08:15 PM   #2
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Two thoughts, one is the purge valve on the reservoir is sticking ans not letting all the fluid to get back into the reservoir. second, the cylinders and grease zerk on the bottom of the masin body need lubricating. add soe lithium grease to the zerks,, not a lot, just enouugh to estart to come out on the cylinder, then spray the cylinders with liquid silicone. run the jacks down and back up a few times and see if they completely retract.
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Old 03-06-2013, 08:16 PM   #3
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I forgot to mention, the front jacks on a Power Gear leveling system, are tied together. That's why you saw the movement you saw.
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Old 03-07-2013, 12:38 PM   #4
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I had that problem, as stated above I ran the jacks out as I would on a trip. Spray silicone on ram and wipe off. Retract jacks. Run out again and do the same thing. I do it as regular maint. on our 2005 Dolphin LX. When it 1st happen, I was with some folks who had a floor jack. When the jacks were up, they put something under the side that was fully retracted so it could not come down and used the floor jack to push the other one up, it stayed in place and when we got home is when I started the above procedure. Hope this helps.
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Old 03-07-2013, 01:02 PM   #5
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The other quick emergency "fix" is to stack jack pads up underneath the offending jack while the air suspension is inflated. Drop the suspension until you feel the MH bottom the jack(s). I would be prepared to immediately reverse and raise the suspension, but I don't know that to be required to avoid jack damage. With the fronts interconnected, you would need to block both sides.
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Old 03-08-2013, 08:41 PM   #6
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Dolphin's are spring not air.
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Old 03-09-2013, 12:43 AM   #7
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As pjgolpher said, spray silicone spray on the rams when they are down. This happens to me all the time. When on a long trip, I spray the rams every other travel day when I raise them. I don't crawl underneath to wipe them off, I just spray them. I think you'll find this will solve your problem.
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Old 03-24-2013, 12:56 PM   #8
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My leveling jacks won't go down. I hear a faint motor-like noise but the pump won't come on. Also my generator just chatters when trying to start it. The wiring diagram indicates these two systems share a breaker to solenoids, but the breaker is not tripped. Ay ideas on this would be appreciated. National Sea Breeze LX 2005.
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Old 03-25-2013, 10:15 PM   #9
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Sounds like a low voltage problem. Is your chassis battery OK? They both draw from the chassis battery.
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