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Old 05-05-2019, 08:08 AM   #1
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Air suspension question

My best friend just bought a used 2015 Tiffin Allegro Red 38QRA. It's on a FL XC chassis. He didn't get any of the owners manuals. I have a Holiday Rambler Navigator. Mine has an air dump and raises to ride height and lowers when I dump the air. His doesn't seem to do this, it just stays at the same height all the time. Is this correct? Thanks in advance.
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Old 05-05-2019, 08:36 AM   #2
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Tiffin has all their owners manuals archived. Here's the link to a 2015 Red https://tiffinmotorhomes-rcgarkskyk9...anual-2015.pdf
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Old 05-05-2019, 01:00 PM   #3
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Are you talking about leveling?
Tiffin usually used HWH leveling systems and the one on that MH should dump air when the leveling system is on and auto is pushed. The bags should empty and then the jacks come down. Travel does the opposite.
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Old 05-05-2019, 01:31 PM   #4
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He will have three buttons on his HWH panel; Manual Dump, Auto Level and Auto Store. Manual Dump drops the suspension without leveling where Auto Level dumps the air then uses the leveling jacks. When he wants to air up, press the Auto Store button and wait for the green travel light. We had a '15 QRA and loved it.
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File Type: pdf HWH 725 series.pdf (245.2 KB, 6 views)
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Old 05-05-2019, 06:47 PM   #5
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I guess I don't know quite how to express it. On my HR when I start it up I flip a switch and the air bags inflat and my coach raises up from roughly 8" off the ground to something like 14 inches which is it's normal ride height. When I stop for the day I flip the switch and the airbags deflate and the coach lowers to 8". We can't find a similar switch on his. It seems it always stays the same height. I just thought all DP's raised and lowered this way. His seems like a gasser in that his height always stays the same.
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Old 05-05-2019, 07:11 PM   #6
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Mine is similar to LT Dan describes. My air dump is on my hwh control panel. I don't have a separate one in the cockpit area.
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Old 05-05-2019, 07:45 PM   #7
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Lt. Dan and/or winniman,
Hate to have to ask but what is a hwh panel? (Hot water heater?)
Dave
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Old 05-06-2019, 06:34 AM   #8
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HWH is the name of the corporation that makes the leveling system for the coach. The control panel is located on the console to the left of the driver's seat. Lt Dan gave you a link to the manual that explains the operation. Once you load the pdf for the system, it is easy to recognize the control panel. Your friend can load all the manuals for the coach systems onto a tablet. Great motorhome
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Old 05-06-2019, 07:04 AM   #9
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Quote:
Originally Posted by MoHo Dave View Post
I guess I don't know quite how to express it. On my HR when I start it up I flip a switch and the air bags inflat and my coach raises up from roughly 8" off the ground to something like 14 inches which is it's normal ride height. When I stop for the day I flip the switch and the airbags deflate and the coach lowers to 8". We can't find a similar switch on his. It seems it always stays the same height. I just thought all DP's raised and lowered this way. His seems like a gasser in that his height always stays the same.
Some manufacturers set theirs up this way. Our friend's Fleetwood has a separate switch for the suspension, but Tiffin uses the HWH leveling system that has it all incorporated into one. It's a much easier process that having to use one switch to dump the air and another to level.
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Old 05-09-2019, 07:03 AM   #10
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Gentleman,
Thank you all for your help. I will pass this on to my friend.
Dave
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