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I have a 1996 Coach 428 and have some questions about the air system.  My coach has a Air Comp switch on the dash that turns on a compressor in the front of the coach and continues to run because the coach is releasing air in the engine battary compartment. The air release in the battary compartment releases air, even when the gauge is below 50 PSI.  There is also a compressor in  the Aquahot bay and the gauge  shows 5 PSI after setting for a week.  When driving the coach, the brake air and other air gauge go to over 100 PSI, not sure exactly, but appear to be working well.   

I will post some pictures and maybe it will help explain what's going on with the air system and how it all works together.  I would appreciate someone giving me a general overview of the Newell air system, compressors, purpose, appropriate air pressures, when air should be released, and how to adjust if necessary?  

Thanks,
Jerry

Hey Guys,
I have a couple of questions concerning the way Newell grounds their electrical systems.  I hope that I can articulate what thinking....so please bear with me.

AC grounds - Just like a house, the AC electrical has a white/neutral wire and a bare/green ground that returns back the the main circuit breaker panel.  Is the neutral bus and the ground bus bar grounded somewhere on the frame?  If so where?  Or, is the AC ground dependent on being grounded through the AC source i.e. shore/generator?  I am asking this to clarify if we can use the ground bar in the AC electrical panel as a DC ground source?   Would there be any problems mixing the two ground sources?

Thanks
Steve

Hello all. I had a company come out and change the rear air bags on my 1999 today. I ordered the bags from Newell. Once done, I cranked the coach, hit the HWH and nothing. The travel light turned green but couldn't raise the coach. When you look underneath, you can see the bags aren't inflated. I suspect the six-pack, but I don't know. It's dark, so we left the coach with jacks so it doesn't bottom out. Any ideas?

Hello All,
Wanted to get your opinions on a replacement toilet(s) for our Microphor Air Toilet LF210? We are looking to update to the current offering.... what is Newell currently using?

Thanks
Steve

Just found this one on ebay

https://www.ebay.com/itm/2007-Luxury-New...%7Ciid%3A1

Looks like I’m going to replace my original 6500 Watt Onan (120/240V) with a new generator.  Recommendation would be appreciated, below is what I’m looking at. 


Cummins Onan QG 7000 - 7000 Watt EFI Commercial Mobile Generator (120/240V 30A)
Model: 7.0 HGJAD-2141

The dimensions are very similar to the current set, actually shorter.  Looking at the EFI for easier maintenance and consistent operation at higher altitudes.  Also a little extra power for my buddy’s pull behind when we camp together. Going to visit my uncle and do some camping in Colorado around 8,000 foot.  After running snowmobiles for years I like EFI at higher elevations. 

Would love a diesel but it’s too large for the space. 

Thanks.

I need to find 2 to 12 new MAC air valves #225B-601BAAA for our 1984 Newell. Can anyone recommend a good source at a good price?

Our airbox drains route into a catch can which has a radiator style drain cock . I have opened this drain a couple of times , didn't see more than a drop come out . Assumed the drain must be plugged . On the trip to Ohio this past weekend I saw elevated engine temps , especially on the return leg causing me to limit speed to 45 at times on level road . Needle was at 210 a lot , sometimes going above 210/215 but never to 230 . I will post more about this in appropriate place . 
Back to the airbox , I was concerned about the high temps hurting the engine so was looking for coolant in the wrong places . Oil dipstick shows no sign or smell of coolant ( I know it should be analyzed) , exhaust looks good . Rad full . Unscrewed the drain cock completely from the airbox drain catch can , nothing came out . Removed hose at check valve , nothing . Removed check valve , it rattles , works as it should . Nothing came out of pipe from air box . 
From what I have read , Detroit  two stroke " slobber tubes " are known to drool fuel/oil . Just wondering what others have experienced before I pursue this further .
Thanks ,
Chris

I am looking at some different properties to purchase and may be traveling from Oregon to Oklahoma and possibly Texas in the next few weeks to view the area.  The factory is about 90 minutes from Tulsa and about 3 hours from Oklahoma City... do I take the drive and tour the factory?  I'm guessing most of you will say yes, but I know I cannot afford new or even new-ish.  Budget will probably put me in a 15 - 20 year old coach.  Am I putting myself into a position of coach-envy?  When I buy, I dont really want to compare my "new to me" coach with the coaches I saw at the factory.  It would be an unfair comparison.   Would love your feedback.

Gurus,

I just wanted to say thank you!

I read all of the horror stories on the forum about the slide seals and thought I made a mistake purchasing a coach with slides.

We went on a trip last week and when we arrived at our destination and started extending the slides, the drivers side bedroom slide seal got pinched at the bottom and started coming out. I was outside watching for this because I have been so paranoid about it happening, I immediately told my wife to stop extending the slide!!! So after about 10 minutes of carefully getting it un-pinched and pushing it back in I told her we have to try the vacuum pumps to see if we can keep this from happening. We got lucky, it didn't hurt the seal or pull it out of the loom. That same day I ordered the pumps and the factory pigtails on Amazon and they were here when we got back. I followed all of the steps that you Gurus had documented on how to install them and it only took me about an hour to complete the job on all 3 slides. 

Now the moment of truth to see if they really make that much difference. I can honestly say that I'm amazed! Once the vacuum pump stops the seals are completely flat and away from the slide surface. Even though there is only about a 1/4" gap at the bottom of the slide that did this, I could see the carpet inside the room and not the seal, it was completely below the metal edge!

I also timed them and it takes right at 60 seconds on the bedroom slides and a minute 10 seconds on the Salon slide for the vacuum pumps to shut off after the yellow light is on solid. So for anybody that does this conversion, make sure you wait at least that long before extending or retracting the slide.

I can honestly say if you do not have this conversion on your coach, do it now! You wont be sorry.

Thanks again Gurus for paving the way to making these coaches just a little better!