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  HWH Control Panel Lexan P/N RP5595

Posted by: Latitude 28
06-02-2025, 08:29 AM
Forum: Suspension/Tires/Wheels
- Replies (4)

All,
Here is a link to the part that wears through on your HWH air control panel.....https://www.nwrvsupply.com/product/rp91841-lexan-cover/

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  Replacing Coleman 6536 Series AC with a Split System

Posted by: rickj
06-01-2025, 02:03 PM
Forum: Air Conditioning
- Replies (16)

We purchased Coach #538 March 2011 from Newel Mortorcoach (we concluded that the premium charged by Newell Motorcoach for the coach was well worth it compared to the inherent maintenance issues with most FSBO coaches). Over the years we had to replace compressores, blower motors,  circuit boards and pillow bearings multiple times. In 2023 the passenger side Coleman was completely rebuilt and that was the last straw which prompted an analysis and research for alternative air conditioning solutions. It became evident that a split system would prove to be the most durable and reliable system; the problem of course was space. The research and advice that was sought out turned out to be a rather torturous process; the reason being that there was not a lot of technical knowledge within the residential HVAC community (they all were proficient only in plug and play installations-as soon as they were presented with the challenge of building a custom system with components from disparate manufacturers the HVAC contractors knowledge base vaporised). Accordingly I initially ended up with a system that would not work as the air handler and condenser were mismatched (although I had been assured that the system would work) since the condenser was an inverter communicating unit and therefore would not work with the basic air handler that had been installed.
Overview:
Please note that this is a review of an installation and rebuild of the drivers side AC basement; also this is a 2T system using, the now outdated, 410A refrigerant. The air handler was the controlling device as it had to fit the space, i.e. had to fit in the basement height and also had to be oriented to have a return utilizing the plenum (air return) cavity that is already in place and in addition have the ability to connect the discharge to the internal air duct. We chose a Goodman AWST air handler, however it required substantial modification to fit in the basement; it also required modification of the plenum. Once the Coleman AC unit was removed it was decided to rebuild the entire basement since it was apparent that modification and rebuilding/strengthening the plenum box was necessary. The air handler was cut down to a height of 29 inches to accommodate the height restriction and the blower was replaced so it could be reconfigured to accommodate a side discharge towards the duct that runs down the spine of the coach. As previously stated the condenser that was installed was mis-matched (this was a Goodman GSXS with a Goodman GTST thermostat) and therefore the system would not work. Again, another learning curve to ascertain what type condenser would work with the AWST air handler (changing the air handler was not an option as no other air handler that was researched could be cut down as described above). During this phase of research and learning a contractor friend recommended a HVAC mechanical contractor and this proved to be invaluable.  Mechanical contractors by their nature are accustomed to building and modifying custom HVAC systems; this particular HVAC mechanical contractor actually enjoyed the challenge, which facilitated completion of this project. We ended up using a thru-the-wall condenser, a NCP 4244. This also had the advantage of improving our design as it could be bolted to a Morryde sliding shelf thus allowing access to the air handler, 220v wiring and the plenum itself for maintenance and repair ( a feature that originally had been desired but could not be accommodated due to height restrictions). In addition we used no kink flexible refrigerant lines to facilitate the movement of the condenser as it is pulled out on the sliding tray. To finish the set up a standard Nest thermostat (not the leaning thermostat) was used as we could employ it to not only control the AC but also use the same thermostat to control the  Aqua Hot heat (note that the AC power to the thermostat is 24v ac and therefore a transformer changing to 12v dc was added to the Aqua Hot boiler at the relay)  in the bedroom where this thermostat is located. The system now blows cold strong air thru all the wall ducts which the Coleman did not and the split system should ensure many years of reliable air conditioning. Note that the one remaining phase of the project is to open up the basement door with a larger cut out for air flow so the condenser can draw in cool air and discharge hot air. The link to the pictures documenting the drivers side  AC rebuild (copy and paste into your browser): https://photos.app.goo.gl/g3brkdB9diU8AJ7x9

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  Air bag change

Posted by: cwl1979
05-31-2025, 05:04 PM
Forum: Suspension/Tires/Wheels
- Replies (2)

Today is the day. Firestone 9447 coming out. And Conti 8897 going back in. Had to swap the 2 stud base for the old ones but I knew I would. darn sure I'm not going to pay 500+ for airbags. Nor the labor to do it. Amazingly all the nuts and bolts broke free relatively easily. I was quite surprised.

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  SCS A/C 1301 fan motor swap

Posted by: whited44
05-31-2025, 01:48 PM
Forum: Air Conditioning
- Replies (38)

Finally had some time to remove my smaller Scs 1301 unit that I believe has a bad fan motor. It runs for about 20-30 minutes and then quits and won’t restart till it cools off.

I had to grind off most of the screw heads and prying to get it out.  I set the unit on a motorcycle Jack and left the wires hooked up.  

I removed pretty much all the guts to get the fan motor out.  I sprayed the coils with that rv ac coil cleaner and washed it out with the hose real good.

This also gave me some access to the void inside of both of these units underneath the salon so I could sweep it out pretty good too.

For some reason there was a plexiglass cover on the bottom of the floor of the storage compartment. I got rid of that and am going to rust proof the compartment floor and put a piece of stainless down prior to putting the unit back in.  

Looking for a fan motor if anyone has a lead that would be great. More to come. Here are some pics

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  Front Brake drums

Posted by: Joe Foster
05-30-2025, 12:45 PM
Forum: General
- Replies (1)

I have coach 458, replacing front drums and brakes, anybody know the brake drum replacement number?   97 newell

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  1983 coach leveling issues. Pneumatic control and power schematic.

Posted by: meltdown
05-30-2025, 06:47 AM
Forum: Suspension/Tires/Wheels
- Replies (12)

Control overview.
panel at the drivers position. At the top,4 bat handled center return momentary contact switches, forward=fill, back=dump. bottom left switch 2 position bat handled toggle, forward= manual, back= automatic (road). bottom left switch 2 position bat handled toggle. forward=on for the auxiliary air compressor, back =off
KIP relay's, Bendix hardware
2 sets of "six pack" 12vdc EP's (manual and automatic fill and dump relay's. one fore and one aft.
4 newer bags all around. 4 in back 2 in front.

Current issues.
1. air leaks off overnight while in manual.
2. uneven fill performance of air bags. drivers back takes a very long time and never reaches maximum height. All dump operations work at the same speed.

Current repairs
1. I installed new plunger's/seats and springs in the KIP solenoid six packs.
2. Replace the air/moisture bleeder on the main air tank.

Current request for help.
I would like to find, a parts list (Bendix) for the air leveling system. Bag fill relay.. various other leveling related controls and parts. I would also like to find a power and control schematic diagram for the manual and automatic leveling system, electrical and pneumatic.

I realize this coach is dated. Still I would like to have these parts and drawings so I can complete repairs.

Thank You Brion Cool

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  Selling house. Newell looks good in listing pictures

Posted by: cwl1979
05-29-2025, 01:18 PM
Forum: General
- Replies (3)

Like the title says. Lots of you probably wondered where i went. I've spent the last few months getting things done on my house so I can sell it and move. They came yesterday to get pictures of the house so it could be listed. Pictures 41-43 sure make the Newell in the driveway look good.

https://www.zillow.com/homedetails/4665-...e=txtshare

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  Slides not flush

Posted by: jmbushey
05-28-2025, 05:04 PM
Forum: Slides
- Replies (5)

My slides on the outside are flush at the bottom but either in or out at the top on a couple corners. Any thoughts or suggestions? 

Thanks!

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  Saw a Newell south of Polson

Posted by: folivier
05-27-2025, 08:28 PM
Forum: Newell Sightings
- No Replies

Saw a 96? or so gray 45' towing a black Jeep heading south of Polson, MT today on Hwy 93. I was in my '06 Monaco white/green heading north.
Anybody here?

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  Coach 312 transfer switch contactors

Posted by: BusNit
05-27-2025, 04:31 PM
Forum: Electrical
- Replies (2)

My contactors are failing but I believe I found replacements. I can’t tell if the coil on these is 12v or 120v. Any insight? I’m camped out at a former neighbors yard in Mesa AZ. No shore power or hookups. The suns heat is on and if this completely fails, I will lose AC since the generator won’t pass power to the circuits. Does anyone know of the coils are 120v for this era? I haven’t seen one in 12v coil configuration which is why I ask and I do not have a voltmeter on board from the move.

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