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08-20-2012, 06:10 PM
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#1
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Junior Member
Join Date: Jul 2012
Posts: 13
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wheats1040 - when to dump air?
Recently purchased 2004 Revolution 40C-w/air suspension. When do you dump? Before you level or after. Does it matter ? Ckd FCCC web & books-this matter is silent.
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08-20-2012, 06:23 PM
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#2
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Senior Member
Join Date: Feb 2012
Location: Baton Rouge, LA
Posts: 1,202
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I don't know that it makes much difference. When I pull into a site, before doing anything, I check the coach for level. If it is pretty close to level, I dump the air bags and level the coach after the air bleads off. If the coach is low to the front of the coach, I extend the front jacks until they touch the ground, dump the air, and then finish leveling the coach. To me, that takes some of the lift pressure off the front jacks. If the coach is low to the back, I lower the back jacks until they touch the ground, dump the air, bring up the front jacks about 2 inchese, and then finish leveling the coach.
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Jim and Lynda, (Sophie, Jake, attack trained killer Shi-Tzus :-))
2003 Fleetwood Expedition 38N 2005 Saturn Vue
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08-21-2012, 06:33 AM
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#3
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Senior Member
Winnebago Owners Club Freightliner Owners Club
Join Date: Mar 2007
Location: Home on the hill in Georgia
Posts: 2,742
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On my rig, turning on the HWH leveling system automatically dumps the air.
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Jerry Potter, Taz
1999 Coachman Catalina Sport
[SIGPIC][/SIGPIC]
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08-21-2012, 03:38 PM
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#4
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Senior Member
Join Date: Feb 2011
Location: Plano Tx
Posts: 171
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My manual says to dump air and then level.
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Don & Bunny
05 Discovery
06 Saturn ION toad manual 5 spd
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08-23-2012, 06:36 PM
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#5
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Junior Member
Join Date: Jul 2012
Posts: 13
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You are correct-we did that tonite-just hit auto button-bags dumped & jacks rose. Thank You!!
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08-23-2012, 06:58 PM
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#6
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Senior Member
Damon Owners Club Freightliner Owners Club
Join Date: Mar 2006
Location: North East Texas
Posts: 4,946
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yup
dump, then level
i like keeping the low to the ground look,
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USN Retired, Life time member of the DAV.
Enjoying the 2008 Damon Tuscany 4056, #3998 no your eyes are fine, there are really 6 slides
2022 F150 King Ranch or 2012 Edge toads
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08-26-2012, 12:47 PM
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#7
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Moderator Emeritus
Join Date: Jan 2000
Location: West Palm Beach, FL. USA
Posts: 27,563
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The automatic systems dump before leveling (actually at the beginning of the leveling process).
I guess it shouldn't make much difference if the front & rear ride height is the same, but they may not be in all coaches.
By the way, leveling is a coach function rather than chassis, so your FTL manual would not address it anyway. In fact, an air dump valve is probably an addition by the body builder. Your coach owner manual may have some help on this, though.
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Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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08-26-2012, 04:21 PM
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#8
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Senior Member
Fleetwood Owners Club
Join Date: Nov 2009
Location: Lutz, FL
Posts: 772
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[QUOTE=Gary RVRoamer; I guess it shouldn't make much difference if the front & rear ride height is the same, but they may not be in all coaches.
You're right, Gary. Not all coaches are the same. Until I learned the correct way, I damaged two jacks, at $850.00 each. On my fleetwood Providence, if you level first and then dump, the coach settles forward about a foot or so. In that process, the jack can bend. When you try to raise the jacks, at least one of them will not be able to, because of the bend, caused while dumping the air, after leveling.
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Roland & Jerri, with Maggie & Mollie, our Pups; '05 Fleetwood Providence, 39' DP; '08 Saturn. "The difference between genius and stupidity is genius has it's limits" (Einstein)
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