Does this photo tell you what I'm up to?

[luvrbus]

Curious why most self crafted leveling systems I see on the boards choose to run multiple lenghly lines of pneumatic instead of low volt electric to switch operated solenoids at the control points very close to what's being controlled.
What an I missing here?

They run lines to keep from dealing with Norgren valves Prevost use the solenoids and they are very high up keep   

[chessie4905]

You have enough trouble with all the electrical items on a coach. Don't need more, especially if they are inaccessible. Pneumatic systems are very trouble free; used a lot in industry on machines making products.

[dtcerrato]

OK, I see...
My earlier separate post on simple & inexpensive leaving system is 12vdc solenoids and really contributed our convenience & comfort on our latest major journey.
It's been about a year since installation and trouble free.
Nothing automatic about it, just switches at the driver.
We'll put it to the test of time - $50 and couple days labor

[luvrbus]

Leveling system are most straight forward on a 2 axle GM when you add the tag (3rd axle) it becomes a little more complicated and Scott has a tag axle to deal with.
I would really prefer the HWH hydraulic system like I had on my Eagle but I don't have room or nothing to weld to for support     

[Jim Eh.]

How exactly am I supposed to measure ride height

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with a tape measure .... 

[Scott & Heather]

Lol Jim.
Dan, run lengthy wiring or run lengthy airline? It's just a matter of which one you'd prefer to run. I like the non electric setup of a manual air paddle. Air ride seats are made using the same setup. Works perfect for what I need. Cliff, where is the air leaking from one I've eliminated the leveling valves? The only leakage areas would be between the bag and my paddle switch....


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[TomC]

I kept my normal automatic leveling valves (1 front, 2 rear). I used Red Cap air solenoids. One normally open, two normally closed for each position. The normally open is positioned between the automatic leveling valve and the air bags. When activated, it closes air to the air bags. Then between the solenoid and the air bags is Tee'd in the supply and exhaust solenoids for manual leveling. The solenoids have been 100% reliable since installing in 1994. Good Luck, TomC

[luvrbus]

Lol Jim.
Dan, run lengthy wiring or run lengthy airline? It's just a matter of which one you'd prefer to run. I like the non electric setup of a manual air paddle. Air ride seats are made using the same setup. Works perfect for what I need. Cliff, where is the air leaking from one I've eliminated the leveling valves? The only leakage areas would be between the bag and my paddle switch....


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They don't need to leak the temperature changes affect the level on everyone I have been around 

[luvrbus]

I just don't like the air leveling system no matter what you do if you are not down on the stops the bus wiggles with the wind and walking around.My 8 would wobble if you turned over in bed at night now my Eagle never even had a bobble.The DL3 I am thinking could be different with the way the air bags are set up but I will see soon I hope   

[Scott & Heather]

I'm with you hundred percent I don't like the wobble, but until we can afford to have a leveling system installed that is hydraulic this is going to have to get us by.


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[gumpy]

Air leveling system. I have half of it installed already. My main concern is using 1/4" lines for this. I'm guessing the inflate/|deflate rate will slow. Craig, why? Not enough travel?

Yes. Very limited travel, and over a 40 foot bus, it really can't adjust very much. You pretty much need to be very close to level to get it level with the bags. And, if you have leaks in your air beams, air bags, connections, relays, etc, by morning it doesn't matter anyway.  If I could afford it, I'd put bigfoot levelers on my axles and then just dump the bags down to the bump stops.

[Jim Eh.]

Scott, are you installing individual gauges to allow you to distribute the weight evenly?

[sledhead]

mine is as simple as it gets . 1 air line to each corner to the control + 1 feed line . no leaks , works great

dave

[sledhead]

hope this works

dave

[Scott & Heather]

Craig, thankfully my c doesn't have air beams. But yeah if I have any leaks in the lines between the bags and the paddle switch I could have leakdown issues I suppose


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