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Old 08-25-2009, 04:31 PM   #1
Join Date: Aug 2009
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Extended use questions

I'm going to be at my current location for 4-5 months. How often should I start the engine to let it run? Anything else I need to do? I'm a former 5th wheeler and new to the motorhome world. My unit is an 08 HR Neptune. Does anyone use Howe's diesel treat during the winter? I used it for years in my dodge trucks and never had any issues??
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Old 08-25-2009, 04:40 PM   #2
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I would do more than start it only , I drive 25-50 miles every couple weeks .. Keeps everything in order and the tires are being used , very important .. Also need to run the genset for at least thirty minutes with a load on it , at least monthly .. I am a trucker and Howe's is great stuff , as is Lucas ..
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Old 08-25-2009, 06:26 PM   #3
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Hi time2go,
All good points that JackHammr' made. We are fulltimers and are going to be in one place for 4 to 5 months in Casa Grande, AZ this winter. We are going to travel to a few places close buy while we are there. Basically we are going to treat it like we are going camping with it, so starting and using it will be a moot point. Another thing to think about also is to keep the engine batteries charged up if your motorhome does not have the chassis batteries hooked up to a charger. If you don't then I highly suggest that you buy a charger for them and give them a charge once a month. Keeping in mind that running your engine will charge the chassis batteries but the amount depends on how long you run the engine.
We are looking forward to a season where we are in one place for awhile after our big tour of the south and east coast of the U.S.A. Thanks for bringing this subject up because it reminded me of things that we should do too.
Tom Brickwell
2007 Safari Cheetah 40SFD 350 CAT / Allison 3000 / RR8R chassis.
2007 Saturn Vue Auto/front wheel drive toad. Blue Ox Aladdin tow bar. Apollo brake system, Pressure Pro, Surge Guard. 2 Norwich Terriers. Dog shows, golf, RETIRED, fulltimer.
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Old 08-25-2009, 06:43 PM   #4
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I believe the engine mfg recommendation would be, if you are not going to drive the vehicle for 30-45 minutes, DO NOT start it and just idle in place. It cannot reach sufficient engine temp just idling and thus will likely cause more harm than good. The chassis mfg recommendation would likely be to start the vehicle periodically and move it 15-20 ft forward and backward to exercise bearings & tires. The longest my rig has sat w/o being driven at least 30 min was apx 3 months on one occasion. I did not start it during that time period, although I did exercise the generator under at least 1/2 load (running ac, etc) every 4-6 weeks. I always keep my tires covered when parked, and never park on concrete without a vapor barrier under the tires.

I have used Howes during the winter, and when storing my diesel rig, in an effort to avoid moisture & algae. I never had any problems while using it.
Paul (KE5LXU) ...was fulltimin', now parttimin'
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Old 08-26-2009, 09:41 AM   #5
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Does it hurt to leave the RV plugged into shore power for extended periods of time while it is stored here next to our house? We have a 2008 Neptune. Thanks, Sydney
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Old 08-26-2009, 12:16 PM   #6
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Any issue would be with the house batteries , as they are charged while on shore power .. someone else can elaborate but I dont think it's good to keep them on a continous extended charge
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Old 08-26-2009, 01:08 PM   #7
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Originally Posted by sydney cain View Post
Does it hurt to leave the RV plugged into shore power for extended periods of time while it is stored here next to our house? We have a 2008 Neptune. Thanks, Sydney
What would be the difference in that and full timing in a park? This has been previously discussed and most feel that as long as your converter (charger) is of the newer 3 stage type where stage 3 is a "float" cycle, it's OK. Oh, at least monthly check of the battery fluid level would also be required.
Hal & Ginny Miller '04 Beaver Santiam PRT40
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Old 08-26-2009, 01:41 PM   #8
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Yep, what Hal said. Better converters won't over charge the batteries. A monthly check on your water level just to ensure that you don't burn them out. ( The converter doesn't go to float. ) Maybe every other week until you feel comfortable that it's ok.
Dan 2008 Allegro 32 BA FRED, Honda Fit
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