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After 15 years of flawless performance, our 12.5kw Kohler has just shut itself down for the first time. I'm certainly looking for suggestions.


     Travelling from D.C. to Elkhart, Indiana and 50 miles before arriving at our destination, our generator stopped running. Since that happened last Sunday, I have been reading the manual, troubleshooting the genny, talking to the great folks at Newell Coach, and calling Kohler dealers. Here's what I think I know at this point: When I push the switch to the start position, the generator turns over and fires up. That is: the engine is running. As soon as I release the switch, the engine dies. The fuel solenoid engages and remains engaged for as long as I hold the switch in the start position. If I physically hold the fuel control lever (attached to the fuel solenoid) in the engaged position and release the start switch, the engine continues to run. However, the generator does not produce electricity. At no time does the blower fan come on, nor do the AC appliances work.

     Other details: I have checked the 10 amp fuse on the controller, and it has continuity. I can't find the 8 amp fuse that the manual states is located in the "end bracket assembly". In fact, I don't know where that assembly is. The fact that the fuel solenoid disengages as soon as I release the starter switch could indicate that the engine shutdown mechanism is causing the problem. It seems that there are three components to the shutdown mechanism. They are: a low oil pressure switch, a high coolant temperature switch, and a switch that causes shutdown if the halon fire extinguisher is inoperative. I have detached the wires attached to the fire extinguisher and tied them together and that did not fix the problem. I have not yet tested the other two switches and am not sure how to test them. Finally, the oil pressure gauge on the dash has been a bit undependable right along; so I can't be sure it is giving good readings. It typically shows a pressure for a time, and then cuts out completely, going to zero. At the present, it is sitting at about 38 pounds even with the generator and the coach ignition off, and that reading doesn't change when I attempt to start the generator or turn the ignition on.

     Tomorrow morning, we are driving the coach to a Kohler service facility in Byron Michigan (Michigan Critical Power). they have graciously deferred their scheduled work to the afternoon in order to look at our generator; but they are not familiar with this old model, not confident that they can fix it, and don't have parts. Another facility in Chicago (Illini Power Systems) has suggested beginning by checking the starter solenoid. They state that I should check the three wires connected to it. One will be ground, one will be hot when I engage the start switch, and the third will go hot when I release the start switch but the engine is running. If it works in that way, then they suggest the problem is with the fuel solenoid itself, because it is receiving the necessary power to do its job. If those two hot wires do not act as described, then the engine shutdown system is killing the engine, and further investigation should focus there.

     I am looking for any recommendations on how to proceed: how to continue the troubleshooting to include how to check the low oil pressure and high coolant temp switches. No one has been able to advise on why the generator is not producing AC power.

     Any help would be appreciated.

Dick Quirk

Can anyone put a number on the difference in turning radius that the steerable tag axle makes? Or, put another way, does a 45' steerable tag coach turn like a 42' non-steerable coach (or perhaps some number other than 42')? Or perhaps it doesn't work quite that way.

One thing I really liked about my 45' Mountain Aire was the 58 degree front wheel cut (I think it was 58 degrees - perhaps only 57). But it made the coach turn better than my previous 42' Mountain Aire, hence my question.

Hi Newellgurus. I'm new to the forum, and looking for a (probably 2002 - 2006 based on my understanding of pricing) 4-slide Newell, with a preference for steerable tag axle, Murphy bed, and bunks. Wow - not fussy at all, am I

I'm a mostly-retired software engineer from the 1980's and 90's, who became a venture capitalist in the 2000's. Have owned one Fleetwood Discovery, and two Newmar Mountain Aires, and greatly enjoyed both. Have also owned a Teton 5er, which I pulled with a Volvo 780 semi-truck (that was fun for a while!). Am also a pilot, currently flying a Cessna Skymaster. Tried my hands at boat ownership (http://ourseaspirit.com), but ... in the end, not for me.

This web site is awesome. I've already learned a lot, and hope to contribute when able, too.

Why Newell? The quality, floorpans, tankage, quietness, ride quality, continuity of support from the factory.

Why never Newell before? All my coaches (except the Teton 5er) were bought new. Finally getting wise.

Dan

Hello. Thanks for a great site. We are 2 years new to the coach world so trying to learn as much as possible and meet new people. AND......getting a little antsy with our non-slide Prevost interior space. Not well schooled on Newell (except the beauty from outside) so thought this might be the place to listen and learn. Thanks for having us. Tip

Need some help,

I went during the weekend to start the coach as I always do and this time the Low Air light stayed on after starting it, I thought it might be that needed to build pressure but after the needles reach normal pressure the light stayed on anyway, I even left the generator and the engine running for almost 45 minutes and nothing changed. I stopped both engines and started looking for air leaks but can't hear anything, I also know that I might have an air leak and might not hear it easily so wondering if I should keep looking or if this could be a sensor that is failing as I don't seem to have major issues with air pressure (after I turned the engines off and for 30 minutes didn't have a loss of pressure).

   

Any help will be appreciated.

2020p, quad slide, bath and a half, Cummins ISX 600 HP, Allison 6 speed, front entry, porcelain tile flooring throughout.

http://www.newellcoach.com/newell-coaches/coach-1546/

Can anyone give me some help troubleshooting my invertercharger?
My coach is in storage, plugged into 220, but my batteries keep going down?
I either have a charger problem or I have somehow shut off the charger?
Both coach and chassis batteries are down ?
I would think they should be electrically isolated systems.
Any suggestions appreciated
It’s a 2009.
New to me about6months ago, so I am still learning.

Quad slide, Cummins ISX, bunk beds, bath and a half. 2020p

https://www.rvtrader.com/listing/2017-Ne...5002972343

Quad slide, P2000i, C-15, Allison 6, Bath and a half, Bunk Beds mid coach, front entry. $549,000

https://www.rvtrader.com/listing/2009-Ne...5002976257

I saw a youtube of a guy extolling the virtues of soaking your serpentine belt in 303 Protectant before installation. He had a belt with 300,000 miles from a car that still showed no cracks on the inner ribs. He also highly recommended it for tires (inside and out) to prolong the life of the rubber. I have heard that Armor All is not recommended by some detailers because it is petroleum based but a few years ago they changed the formulation to a water-based formula similar to 303. I'm interested in thoughts from my fellow Gurus on this.....