10-28-2022, 04:14 AM
We just drove out to where our Newell is stored (the first time since buying) and somehow the air-system has gone bad in only a couple weeks!
The brake tanks won't reach more than 75-80psi, the supply gauge will never get above zero. It takes 10+ minutes at high-idle to inflate the bags to travel-height, then begin filling the brake-tanks.
I've read many posts including @fulltiming Michael's above, which all suggest that if the brake tanks have pressure and supply is zero, it makes sense there is a substantial leak between the engine compressor and the tanks.
We're nowhere near as mechanically-inclined as others on the forum. Plus, there are so many different areas with actuated-valves, manifolds, regulators, groups of things we don't understand, etc.
It feels overwhelming where to begin or how to understand how so many different air-circuits/valves tie-together.
We plan on following @CaptainGizmo Steve Vance's guidance that we linked above for @Jack Houpe along and we've gone through the pneumatic-system videos from Richard; however, we still feel just as overwhelmed, if not more.
This is on a 2006 Coach#782.
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To answer @ParisJet
(based on what we've read here; none of the following is definitive by any means, merely trying to share what we've read) --
No, you do not require DOR fitting specifically.
Yes, there is a check-valve at the air-tanks for the front/rear brakes and amenity tank.
On the pneumatic ram to open the front-slide, double-check that yours is pneumatic. Ours is an electric actuator and we're not that many builds away from yours. If you do have a pneumatic ram, it sounds like @Jack Houpe placed the shutoff where it was convenient because there was no issue that required it to be placed anywhere specific in the line (as the leak was from the ram itself).
I haven't read anything about programming the Siemens control panel, but I'll go look at ours to identify the components. The electronics/coding is an area we do understand and we'll try to figure something out there, to help, if we can.
The brake tanks won't reach more than 75-80psi, the supply gauge will never get above zero. It takes 10+ minutes at high-idle to inflate the bags to travel-height, then begin filling the brake-tanks.
I've read many posts including @fulltiming Michael's above, which all suggest that if the brake tanks have pressure and supply is zero, it makes sense there is a substantial leak between the engine compressor and the tanks.
We're nowhere near as mechanically-inclined as others on the forum. Plus, there are so many different areas with actuated-valves, manifolds, regulators, groups of things we don't understand, etc.
It feels overwhelming where to begin or how to understand how so many different air-circuits/valves tie-together.
We plan on following @CaptainGizmo Steve Vance's guidance that we linked above for @Jack Houpe along and we've gone through the pneumatic-system videos from Richard; however, we still feel just as overwhelmed, if not more.
This is on a 2006 Coach#782.
-
To answer @ParisJet
(based on what we've read here; none of the following is definitive by any means, merely trying to share what we've read) --
No, you do not require DOR fitting specifically.
Yes, there is a check-valve at the air-tanks for the front/rear brakes and amenity tank.
On the pneumatic ram to open the front-slide, double-check that yours is pneumatic. Ours is an electric actuator and we're not that many builds away from yours. If you do have a pneumatic ram, it sounds like @Jack Houpe placed the shutoff where it was convenient because there was no issue that required it to be placed anywhere specific in the line (as the leak was from the ram itself).
I haven't read anything about programming the Siemens control panel, but I'll go look at ours to identify the components. The electronics/coding is an area we do understand and we'll try to figure something out there, to help, if we can.