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Old 03-30-2013, 09:23 AM   #29
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Gas 3/4 full is totally fine. I would definitely run it monthly, but if you do, drive it. Diesels don't like to be idled.

2010 Fleetwood Discovery 40G
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Old 03-30-2013, 10:02 AM   #30
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Join Date: Nov 2005
Posts: 3,053
It seems Cummins/Onan has some confusing information in the owners manual. These excerpts are from the 6000 watt Genset.

In the Operations section under the heading "Excercising the Genset" it recommends:

Exercise the genset at least 2 hours each month if
use is infrequent. Run the genset at approximately
1/2 rated power. See LOADING THE GENSET
(Page 8). A single two hour exercise period is better
than several shorter periods.
Exercising a genset drives off moisture, re-lubricates
the engine, replaces stale fuel and removes
oxides from electrical contacts. The result is better
starting, more reliable operation and longer engine


Under the heading "Storing the Genset" it gives these recommendations:

Proper storage is essential for preserving top genset
performance and reliability when the genset
cannot be exercised regularly and will be idle for
more than 120 days.
Storing the Genset
1. Push the genset line circuit breaker OFF
(Page 9).
2. Change the engine oil and attach a tag indicating
(Page 5).

3. Disconnect the battery cables (negative [

cable first) from the starting battery and store
the battery according to the battery manufacturer’s
recommendations. See MAINTAINING
(Page 16).
4. Plug the exhaust tail pipe to keep out dirt, moisture,
bugs, etc.

5. Close the fuel supply valve (if so equipped).

You have to decide whether you're "Using it Infrequently" or "Storing the Genset"

2013 Adventurer 32H
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Old 03-30-2013, 10:19 AM   #31
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Posts: 24
Originally Posted by FormerBoater View Post

Did you run the block heater for at least 4 hours?

Is the full tank #2 diesel?

If it is and the fuel has gelled, someone may know if you can reverse the process ....I don't as I live in Florida!

You should have diesel truck shops that can answer that question and give you some good advice on how to remedy your situation.

1998 American Eagle 40EVS
H says we have a block heater, but we didn't have it plugged in. Yesterday was only the first days above 35, maybe it was a bit early yet and may have been better to leave it warm a couple of days yet. What happened was it would start for about 30 seconds and stop. Over the day he got it started a couple of times only for the same amount of time, then stopped again.

I think from all the talk on the forums, we were confused what to do. We read if you plan not to run it leave it and that is what we did and only tendered the batteries. But what I think we will do next year is to run it monthly for an hour and hopefully this will not happen. I guess being that we are new at this I wish someone would have sat down with us and said this is what you need to do. We did the winterizing and hopefully we had mo problems with that, I'm pretty confident with that. Being that we have a washer/drier and a ice maker we did have to do a bit of reading, but we were pretty proud of how that all went, hopefully.
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Old 03-30-2013, 11:10 AM   #32
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It sounds like the fuel has gelled. If you have straight #2 diesel in it you should add some anti gel. The best way to start it now would be to get some heat on the fuel filters. Possibly with a hair dryer or heat gun. Once you get it running add some winter blend fuel. It's a mixture of #1 and #2 and won't gel until about 15* or colder.

The filters are generally 10 micron. When the fuel gels the parafin in the fuel won't go through the filters and stops the flow of fuel. Once heat is applied to the fuel in the filters it should turn back to a liquid. Tthe heat from the engine should keep it warm enough to keep it liquid. However once it's shut off the fuel will likely gel again unless the ambient temperature rises, you add anti gel or winter blend fuel.
2013 Adventurer 32H
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Old 03-30-2013, 11:15 PM   #33
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Posts: 24
Originally Posted by Yaj View Post

Hi Sue!
It sounds like it got some air in the system. Do you know what engine is in it?
Most likely the air will need to be bled from the system. With our Cummins 5.9 it is as simple as cracking the injector lines loose, cranking the engine until the outside of the injectors get wet with fuel, and re-tightening the injector lines. Then it will re-start. I am not to far from you if you would ever need help. Hartford, WI.
Yes, thanks to all of you. My hubby read all the messages and put the block heater on for a couple of hours, removed the water/fuel separator and the second fuel filter and found that they were dry, so he primed them and it started........thanks ever so much! Then we found we were stuck in our new limestone chip driveway. The wheels sunk down in the drive and because of the ice around the tires caused another issue. Again, we were saved by a neighbor that had a truck to pull us out. Then we drove it for about 45 minutes. All of you may have saved us several hundreds of dollars, thanks again.
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Old 03-31-2013, 06:17 AM   #34
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Congratulations! Glad things worked out for you.
2013 Fleetwood Discovery 40G / 2012 GMC Acadia
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Old 03-31-2013, 07:26 AM   #35
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Location: Almond, Wisconsin
Posts: 1,442
I got mine out of storage this weekend. Went down to where I had it stored and plugged it in overnite and got it Saturday. I have a 3126 CAT, turned key on waited for the wait to start light to go out and bingo away she went. I never started it since I parked it in November. When I got it home I started the genny and ran it for about an hour with the heat strips on and every seems to be fine. Oh by the way I also live in WI., central WI that is. I brought mine out of storage to give Mother Nature the hint that camping season is here. Jim

2002 Newmar Dutch Star DP3569 330 CAT - Toad Jeep Liberty, DW is the Nagivator. Work to travel and everything revolves around the price of diesel.
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