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Old 07-21-2016, 08:37 AM   #1
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Cleaning leveling jacks

I have a 2001 National RV 8330 and I was wondering how you clean the jacks?
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Old 07-21-2016, 08:45 AM   #2
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The factory Service Tech at HWH told me not to use anything on them. But he said if I felt I had to wipe them to use a damp cloth. And never to use anything like WD-40 or other spray chemicals or even the oil used in the internal operation of the jacks.
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Old 07-21-2016, 09:02 PM   #3
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Originally Posted by ByeTheWay View Post
The factory Service Tech at HWH told me not to use anything on them. But he said if I felt I had to wipe them to use a damp cloth. And never to use anything like WD-40 or other spray chemicals or even the oil used in the internal operation of the jacks.
Interesting.... I haven't touched mine either... but I see so many folks saying to use silicone and to be sure to pay extra attention to the top.
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Old 07-21-2016, 09:10 PM   #4
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I believe that HWH recommends using WD-40 on the jacks. I use it liberally on the seals to keep them soft and my jacks come up in less that two minutes, and I still have the original springs.
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Old 07-21-2016, 10:33 PM   #5
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These are common hydralic cylinders. Ask anyone who has run construction equipment, which run in some pretty severe conditions, if they Ever used WD40 or anything else to clean the rams.
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Old 07-21-2016, 10:45 PM   #6
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These are common hydralic cylinders. Ask anyone who has run construction equipment, which run in some pretty severe conditions, if they Ever used WD40 or anything else to clean the rams.
http://www.hwh.com/ml47149.pdf


From the above HWH document "
If the jack is extended, use soap and water or WD-40 on the jack rod then wipe the rod dry with a clean
cloth"
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Old 07-22-2016, 08:18 PM   #7
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Quote:
Originally Posted by nordic tug View Post
I have a 2001 National RV 8330 and I was wondering how you clean the jacks?
National RV used Power Gear jacks. Power Gear recommends spraying with silicone lubricant. I spray mine with silcone and wipe the ram clean then spray again, no wiping.
Attached Files
File Type: pdf Power Gear Leveling Jacks Operating Manual.pdf (572.6 KB, 43 views)
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Old 07-22-2016, 08:34 PM   #8
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Originally Posted by dennis45 View Post
These are common hydralic cylinders. Ask anyone who has run construction equipment, which run in some pretty severe conditions, if they Ever used WD40 or anything else to clean the rams.
This I agree with this right hear, I have never heard of construction guys getting out there and wiping their cylinders, of course they are used a lot more than the leveling jacks on an RV
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Old 07-23-2016, 07:32 AM   #9
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CHBOONE, thank you for the link to the PG manual. I have never seen this and there is some really good info in there. My RV came with a 3 page brochure that contains no trouble shooting guide. The manual is printed and in my RV for any future need.
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Old 07-23-2016, 06:40 PM   #10
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This may come in handy some day, instructions on how to manually retract the Jacks if system fails with the Jacks down. I posted it yesterday on the Yahoo Groups National RV Forum. A member was have trouble with his jack not retracting. Turned out the problem was a lose wire at the control panel.
Attached Files
File Type: pdf PowerGear Manual Override for Jacks.pdf (175.1 KB, 48 views)
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