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Old 10-23-2014, 03:23 PM   #15
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I've yet to see any RV manufacturer recommend using jacks under a slide-out. I have seen some that specifically say not to use jacks under a slide-out.
Several years ago a company sold collapsible jacks, just in case the RV settled or moved downward. They are out-of-business now; testimony to the usefulness IMO.

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Old 10-23-2014, 04:07 PM   #16
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Once you eliminate two issues: put a jack under both sides of the frame so a flat tire won't be an issue and don't jacks under your slide if you have hydraulic levelers (you know- you might blow a hose). Think about it folks. All a slide jack is designed to do is to support the outside end of the slide to reduce/control excessive movement when people walk around the camper. That's it!!! That's all!! It's not designed to raise and support the entire weight of the slide/TT and no it's won't effect any sealing issues either.

I know about the constant shaking. We had two TT's that did it. It's annoying and the supplied corner jacks absolutely did not control any shaking. Actually I had my DW walk in the camper and the support jacks flexed as she walked. Again they were made out of thin steel to save weight which made them just about useless.

I really think we can put this dead horse to rest.


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Old 10-23-2014, 04:30 PM   #17
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Jacks for the slide

I wish I had pics....but have seen many RVs in long-term sites with aux slide supports. When the RVs were prepped to move, most of the slides would not retract, two fell out when the aux supports were removed because the framing of the wall opening was messed up. And if a slide is lifted from the outer edge, it will leak.
If for a short-term stay, maybe they can be a benefit. But a stiff wind against one side can rock the RV. Although rocking slightly, it can be enough to seriously damage the slide and/or the opening.
The folks that are most successful in preventing damage when their RVs are on-site long-term, are those that retract their slides between trips to the "cabin".
Be cautious, my friends.
Dave and Nola, RVM1
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Old 10-23-2014, 04:48 PM   #18
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Do what you want but my paperwork on my RV states NOT to use jacks under the slide, so I won't. I trust Newmar to know best since they built mine. And my slide is a good 14 foot.

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jacks, slide

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