| Sullybilt operating pressure [message #183193] |
Wed, 05 September 2012 13:02  |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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I know there have been questions about operating pressures in the Sullybilt air bag system and I have finally gotten around to checking since installing my shraders and shut off valves. My 77 Royale with no water in fresh or holding tanks registered 28 lbs on the tank side (right) and 33 pounds on the 6kw onan side after self leveling in travel mode on flat concrete. I was also curious if the Sullybilt bag would need to be vented of pressure when lifting to prevent shock damage. I lifted the right side from the bogie bracket until both tires were off of the ground and still had 20 lbs in that bag therefore I would recommend unloading the bag pressure as coach is lifted from bogie to prevent shock absorber damage.
Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: Sullybilt operating pressure [message #183194 is a reply to message #183193] |
Wed, 05 September 2012 13:15  |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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Senior Member |
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The initial pressure numbers of roughly 60 psi were obtained by looking at the gauge on the pump as at that time I had no way to isolate the individual bags.
Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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