Tad
Forum Replies Created
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Chalk one up for Marathon, separating the house and Prevost aux air is a plus, as long as you’re diligent in draining the Marathon tank.
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Great minds apparently think alike.
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Dave,
If you only have the Prevost installed level low controls it should only work when the key is on. It should automatically shut air in the 3 suspensions as soon as the key is off.
Without knowing the history of the coach the only way you can isolate and chase problems is to start verifying things do in fact work as designed, but you alread said they do not because you said the rear dropped while driving. So we know something is screwed up, but to what extent is as yet unknown.
I worked on a coach that dropped in the LH rear when the coach was in the driving or road position. I traced everything from the origin, and found the center coil was getting power and the valve was opening because that air line was getting air. The 5 port Norgren in the rear was getting air, but the air which should have gone through the ride height valve and the 5 port Norgren was not passing through the Norgren into the air bags on that side.
When we opened the Norgren we found the plunger was water logged and internal corrosion had caused the valve to bind up and not open the air path as intended. Since you have new valves you might be able to rule that problem out, but despite the new valves I would follow the air to find out why the rear drops. It is time consuming but I do not know an alternative to verifying everything works as intended.
One thing I would question is if you have the system that locks air in the air bags via the 5 port valves, or do you have the early Prevost logic that dumps tag axle air (via the three port valve between the drive and tag) when aux air pressure drops. Further, I would actually see if a mechanic has every mixed up air lines and hooked them to different ports, or if someone got creative and decided they knew how to make it work better than the Prevost engineers.
Under normal conditions tracing air suspension system issues is normally easy, but if the system gets water in it, or if a previous mechanic swapped stuff around or if a part failed like a solenoid coil on the manifold it may require some study of the system.
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I paid $1each for the LED lights when I replaced all the ceiling light bulbs. They dim in steps!
to remove the rings, I made a tool of 2 x 2 x 8 and taped a piece of duct tape with sticky side up to the end. It easily removed the most stubborn rings.
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It was great to meet you, Jon and your wife as well. I thought I had a problem with the bus when she hung out the window and flagged me over until I recognized the 50 Ford. Lol! Nice Car!
Thanks for flagging us down and talking to us a moment. That was fun. I hate there was not much shoulder to park on, we could have spared some time for a few minutes with somebody famous like you and Di. I would have liked an accounting of our dues anyway.
Charles, I am glad I did not wake you. I did not pull in until 4:00 AM. We spent the day in Jeff’s shop (Thanks again, Jeff for taking good care of us) and then I was hitting the road just as you got back. We had 400 more miles to go and knocked a bunch of that out before we stopped for the night.
Davy
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You can contact Jim Bounds at firefightproducts@yahoo.com, or check out their products at firefightproducts.com
His stuff is mounted in the engine bay.
Note that it is fire FIGHT, not fightER, or you will see a really strange page.
His cell is 321-299-5707 He is in Orlando.
Fred