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Here is the schematic of the system & shows how it ties into the main air supply system. 

Attached is the 12V air system and how it interacts with the main air system.  The 12V air pump only puts out 60 psi.  The main air system puts out 120 psi.

To make things easier start with the main air system having no air pressure.  Follow the air from the 12V air pump and you'll see how it pressurizes both slide seal regulators, both of my toilets, both pockets doors and the 3 gallon air tank in the right wheel well to 60 psi.  Note how the check valve on "T" #3 on the air tank will not allow air to exit into the main supply system.  

Now energize the main air system with 120 psi of air.  The stronger air is supplied from the stubbed off main line and energizes both side dump valve solenoids with 120 psi.  The stronger air can now enter the 3 gallon air tank, through the check valve, and boost its pressure to 120 psi.  120 psi air now goes to both slide seal regulators.  The stronger air enters the 12V air pump four way and tells the pressure switch that there is more than 60 psi so no reason to turn the pump on.  The 120 psi air goes through the 12V air pump regulator & is reduced to 60 psi and supplies both toilets, and both pocket doors with 60 psi air.

If any one wants a copy they can print send me an email.

Gang,

With the widespread flooding occurring in the upper Mississippi valley, I thought I would check in on Miami, Ok.  I found this video of the flooding.  It looks like most of the flooding is south of the city.

If you are heading to the "Mother ship" anytime soon, please be careful.

Also, please keep the Newell folks in your thoughts and prayers!

Cheers,
bill

 Drone Video 

Just heard that there is another Newell on the Parker Strip. Wondering who & where.

You Gurus did such a good job of leading me to the pocket doors maybe you can help me with a few issues I'm still having in completing my schematic. 

There is a "T" that comes off the unregulated side of the 12V air pump--this "T" also connects to the 3 gallon air tank in the right rear wheel well with a 3/8" line.  There is another "T" that is unregulated air coming from the 3 gallon air tank in a 1/4" air line.  Both "T"s have 1/4" air lines exiting them and running side by side from the rear of the AquaHot compartment (R-5) and going into the next compartment forward (R-4) in the ceiling wire chase. 

This is where the first problem is encountered.  You can see the two air lines from where they start at the "T"s until they get about half way through the compartment going forward.  At that point you lose sight of the two similar air lines.  Going to the compartment forward you can see the two 1/4" air lines in the wiring chase.  Unfortunately you can't see if they crossed somewhere.  One of the lines continues forward into the next compartment forward where it connects to the slide seal regulator. 

The other air line gets a little more confusing.  In the wire chase of compartment R-4 this 1/4" air line "T"s into a 1/4" air line coming from the rear of the coach.  Now a second "T" in the air line from the rear sends a 1/4" air line back to the water bay on the left side of the coach and connects to the "IN" port of the left side dump valve solenoid.  Following this air line from the rear of the coach forward leads into the next compartment forward (R-3) where it is coiled up & capped off.

The first question is where do you think this mystery air line coming from the rear of the coach originates?  And what is its purpose?  Since the air line that was "T"d into is unregulated, is this where Newell ties the 12V and the main air system together?

Which "T" do you think supplies air directly to the slide seal regulator and why?

Thanks in advance for your ideas!

   
I'm working on making an air system schematic for the air lines that connect to the 12V air pump.  There is a 1/4" air line that connects to the right side of the four way connector that is on the regulated side of the air pump.  From there the air line goes up & into a conduit with some wires that runs from the AquaHot compartment on the right side over to the water bay on the left side of the coach.  The 1/4" line comes out of the conduit and connects to a "T" just above my water pump.  Two white air lines connect to this "T".  The white lines and some wiring then go up into a hole in the floor.   They all come out behind the drawer below the refrigerator.  They then disappear up behind the refrigerator.  Maybe some one has dealt with these air lines and can answer my questions.

Where do they go?

What do they connect to?

Just curious how much people use their Newells.  Miles is one way, hours another.  We use nights/days used.  For 2015 looks like we will close out at 69 days/nights since April. (We don't use our coach much from Jan-March due to weather in KC area.) 

I only log time on trips not time spent washing, fixing, noodling, etc.  I will admit lots of my enjoyment comes from the latter things though! 

So, how many days/nights per year do you use your coach?  

Newell has just listed Show Coach #1556.  This is the first Newell I have seen with a list price in excess of $2 million.  Quad slides, Cummins ISX 600 HP, Allison 6 speed, procelain tile flooring throughout.  6 Color blended paint with ghosted paint technique. Bath and a half.  

http://www.newellcoach.com/newell-coaches/coach-1556/

Video tour available

https://youtu.be/3CGAQSG21KI

Wife and I are going to the Broadmoor in Colorado Springs for their New Years Eve Gala . We will be keeping coach in the employee parking behind the Golden Bee. Dry camping for a day.. Anyone wanna make it a group get together. Gala tickets are 210 a person.

Georgia and I wish each of you a wonderful Christmas.  I hope that you all have an opportunity to be with those you love and to celebrate the reason for the season.

The indicator light for the diesel AquaHot burnt out.  It is a Solico 14V red indicator bulb.  Does any one have a source for these exact light bulbs.  They are hard to remove and there are six of them so I'd like to match them if possible.