2010 Revolution

It's pretty much arbitrary as long as the coach is not ridiculously off-level. I have two official letters from American Coach giving conflicting instructions for my '04 Tradition. Different manufacturers give different advice and the jack manufacturers and slide manufacturers are often at odds as well. Maybe somebody who has a circa 2010 American Coach owner manual will chime in with that year's version of "official", but I'd just do what makes sense for the circumstances. I usually did the jacks first.
 
The 2010 Rev owner manual says to level first and then deploy slides.  It's the same owner manual for all the American Coach models. It also says to "see the owner information package" (that big bundle of component manuals) for detailed operating instructions. I presume that is referring to the manuals for jacks and for slides.

See page 5-5 in the manual at:

https://big.nyc3.cdn.digitaloceanspaces.com/revgroup/documents/american-tradition-2010.pdf
 
I can't remember where I read this but it is suggested to level first then deploy the slides on my '07 AC Tradition. Makes sense. That should put less stress on the slide mechanism.
 
Some history...

The rationale for slides first is that the weight of the slide may tilt the coach. This was a noticeable phenomena in the early days when rigs often had only one slide, or one side had a large slide and the other only a smallish one.  Not so much as slides got larger and more numerous.  It also applies more to RVs without a robust hydraulic leveling system, e.g. many class C motorhomes, smaller A's, and most trailers. In those RVs, "level" typically meant blocks under the wheels or adding manual jack stands.  As often happens, the rationale got lost in history but  "slides first" got entrenched as a quasi-religion dictum.

If you have an RV with a capable hydraulic jack system or an automatic air leveling system, there is no worry about the slides tilting the coach once it is leveled. Just go ahead and level up first unless there is some reason to delay putting the jacks down. Or you don't plan to put them down at all, e.g. a short stop in a highway rest area.
 
I've noticed at times when using the hydraulics for leveling the process can get a bit jerky and would not want the slides out.
 
I always found that we would level first and then put out with the slides. If it was still not quite level, I could still level that small amount needed with out any problems with the slides out.

Bill
 
billwild said:
I always found that we would level first and then put out with the slides. If it was still not quite level, I could still level that small amount needed with out any problems with the slides out.

Bill

2x on this.  I learned that if I did not re-check the level after extending the slides, and if the slide-side of the RV settled somewhat, then my Power Gear would not have enough oomph to retract (I have the type of slide that comes up then in).  I had to get out and push while my DW held the retract button. 
 

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