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Old 08-17-2016, 09:58 PM   #11
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Mike, by front cab light I mean the ones on the ceiling between driver & passenger. I tried turning off the battery on the control panel near the side door but no success. Not critical since I rarely use those lights, just worried it is a symptom of something worse. I will continue to try other suggestions...

Alas, the maiden voyage revealed other problems:
- can't seem to get the generator going (testing it) - it cranks but nothing else...van engine was off..I admit I hadn't checked the oil, fuse, etc., but it had worked prior to buying it
****** how long did you crank it for? These things tend to lose fuel back down the fuel line into the main tank, which they share with the vehicle engine. If the generator hasn't been used for a few days, it's more likely than anything more dire. I have the same problem with mine. I can prime mine by hitting the remote start switch "on" for about a count of 3, then release. Sometimes it takes 10 X 3 second "priming" presses to get the fuel up into the generator carburetor. It's just a big lawn mower engine, really. You could try that, and be patient, it should start to cough, and should start to run/sputter/die a few times, too. *****************

btw, if you can get it to turn over with the vehicle engine off, it means you've got power in your coach battery(ies?), because that's where the starting juice for the generator comes from. Unless your van has been rewired, which I doubt. Sorry I have no other ideas except take it to a RV service center. **********
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- water pump seems very loud, kind of embarrassing to use even next it to other RVs...is this noise normal? It seems to turn on occasionally while pump switch is on at the control panel even when not using the sink faucet.
- instead of using water pump, I hooked up to city water w/ regulator. All worked fine until at night the outdoor shower hot faucet busted, fast dripping we can hear while sleeping. Thinking of removing faucet, capping it off but it doesn't seem standard fittings I can get at home depot (the lines look like pex piping, is that right?)

As always, your comments have all been helpful so far and encouraging.
Agree with the other Mike's evaluation of the intermittent running water pump issue, and yes they are a bit noisy while they're priming. Same sort of problem as the generator gas feed. The water leaks out of the lines, which is what most liquids do given the chance, the pump senses it, and starts up to refill the lines. The water lines are PEX as you guessed, Roadtrek started using it around the late '90s. I have an old thread on here (I think?) about how to service your own water pump, which includes how to take it apart to get at the filter/screen in the feed in line. They do get clogged with crap sometimes, including calcium deposits and other foreign objects from the different water sources we hook them up to, or fill them with. It's not hard to do, just remember to drain your fresh tank and water heater before starting or you'll flood your van. I think if you use the search facility on here, keyword - Shurflo or screen or water pump or something like that you'll find it.
EDIT: Here's the link
http://www.classbforum.com/forums/f5...-use-1420.html
EDIT 2: I should have mentioned, when we're not using our water for anything, we just shut the pump off. No noise.
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Old 08-29-2016, 06:55 PM   #12
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Default Genny's working!

Hey MK & Mike
Lo and behold with full tank and engine running the generator came on alive. The sequence I took was wrong perhaps. I guess I thought the auxiliary battery could supply the electric power to get it started. So I look to see if the battery was actually there and working and I found the original Canadian battery still in there - half in French and English! I guess that needs to be changed.

The control panel says the genny's been working only 23 hours (remember the RT is 2001 and only 12,000 miles). Doesn't sound like it was getting tested once a month. I started it 3 times over the weekend and ran it for 15 minutes each time. Does that mean I still should have it completely checked over...oil, plugs, etc?
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Old 08-29-2016, 08:00 PM   #13
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oil for sure- old oil will carry acids and byproducts of combustion.

short starts are bad- just like you rcar.

when you start it run it for an hour or more to fully warm and to boil out any water formed by condensation on previous heat/cool cycles.

oil first.

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Old 09-09-2016, 05:51 PM   #14
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Hey MK & Mike
Lo and behold with full tank and engine running the generator came on alive. The sequence I took was wrong perhaps. I guess I thought the auxiliary battery could supply the electric power to get it started. So I look to see if the battery was actually there and working and I found the original Canadian battery still in there - half in French and English! I guess that needs to be changed.

The control panel says the genny's been working only 23 hours (remember the RT is 2001 and only 12,000 miles). Doesn't sound like it was getting tested once a month. I started it 3 times over the weekend and ran it for 15 minutes each time. Does that mean I still should have it completely checked over...oil, plugs, etc?
Good that it's working. Some auto chassis dealers know how to service Onan generators. My local Chevrolet dealer does. You could ask next time you're in for chassis work. RV shops may be able to help or a certified authorized Cummins Onan dealer. They have a dealer locator on their website.
Typically the coach battery should provide the cranking amps for the generator but if the battery is weak the chassis engine running gives it a little help through the converter charger. Replace your original battery and it may resolve that issue.
As mkguitar suggested get it checked out.
To exercise your generator, fire it up and wait about 5 minutes. Then add a load by plugging something into one of the coach wall outlets with a few amps of draw. Coffee maker, electric space heater, or in warm weather just run your roof air for a while. Opinions vary on how long. 20 minutes to half an hour works for me once every month or so when I remember. Then shut down the draw, wait another 5 minutes and shut down the generator. This works for me.
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Old 09-10-2016, 06:35 AM   #15
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On the 1 month anniversary of owning this RT, we camped at a nearby state park and as you suggested, we ran that water pump just for the few seconds we used the faucet. Still that noise is irritating...maybe I will rebuild it as a future project or outright replace. It must be defective as the water flow is not consistent, and the toilet flush is only trickling out water.

Just before the last trip, I managed to replace the auxiliary battery, then ran the generator an hour on it and drove around another hour to get it charged. I've ready enough in this forum that I should upgrade the Magnetek charger to get better life on battery. Battery did well all weekend without the genny, but I think it also helped that I was finally able to run the fridge on propane...yea! So now all features are working except for range hood fan - motor needs work I think.

Back to mpg, someone told me a long time ago that anything running on power while driving will impose load on the engine and therefore lower the mileage. So if now with a working auxiliary battery drawing charge ultimately from the alternator, my mpg will get affected. If I knew my battery needed charging should I run the genny while I drive back home? Or is the alternator more efficient?
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Old 09-10-2016, 02:27 PM   #16
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.

15 yrs old water pump that is not used much?

The blades could be calcified.
or the bearing rusted out.

No biggie; it is an easy replacement.
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