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Car Forum / Driving, Maintenance, Tuning / RVs / October 2009800 plus hours
Looking at a used Class C with over 800 hours on its 4000kw Onan generator. Assuming it has been serviced properly, I'm wondering how long to expect it to last. Anybody know the expected service life of these things? > Looking at a used Class C with over 800 hours on its 4000kw Onan > generator. �Assuming it has been serviced properly, I'm wondering how > long to expect it to last. �Anybody know the expected service life of > these things? This is just a guess, but I would expect at least 2-3000 with good preventive maintenance. With bad PM, who knows? Hank On Oct 16, 12:25�pm, the shadow knows <who knows @evil.heart> wrote: > Looking at a used Class C with over 800 hours on its 4000kw Onan > generator. �Assuming it has been serviced properly, I'm wondering how > long to expect it to last. �Anybody know the expected service life of > these things? This is just a guess, but I would expect at least 2-3000 with good preventive maintenance. With bad PM, who knows? Hank From what I heard more in the neighborhood of 3 - 5000 >> Looking at a used Class C with over 800 hours on its 4000kw Onan >> generator. ?Assuming it has been serviced properly, I'm wondering how [quoted text clipped - 5 lines] > >Hank Many have gone >10,000 hours.  SignatureFrom earners to yearners. Obamanomics! From makers to takers. Obamanomics! Chuck Norris >>> Looking at a used Class C with over 800 hours on its 4000kw Onan >>> generator. ?Assuming it has been serviced properly, I'm wondering how [quoted text clipped - 7 lines] > >Many have gone >10,000 hours. From what I was told the other issue is lack of use will lead to problems. The story I got was to run it for an hour once a month. How old is the unit you are looking at? ;-) > On Sat, 17 Oct 2009 11:38:27 -0700, Chuck Norris > [quoted text clipped - 17 lines] > > - Show quoted text - Id run it longer than 1 hour per month , and, under varying loads including heavy load. Lack of excersising the GenSet leads to premature problems . If you dont use the GenSet regularly on trips Id change the oil every year regardless. >>> Looking at a used Class C with over 800 hours on its 4000kw Onan >>> generator. ?Assuming it has been serviced properly, I'm wondering how [quoted text clipped - 7 lines] > > Many have gone >10,000 hours. Could you possibly point us to perhaps just two of this many gas generators that have gone 10000 hours, or is this just another one of your uneducated guesses? Kind of like your knowledge of law, or more precisely the lack of same. On Oct 16, 12:25?pm, the shadow knows <who knows @evil.heart> wrote: > Looking at a used Class C with over 800 hours on its 4000kw Onan > generator. ?Assuming it has been serviced properly, I'm wondering how > long to expect it to last. ?Anybody know the expected service life of > these things? This is just a guess, but I would expect at least 2-3000 with good preventive maintenance. With bad PM, who knows? Hank Sorry to piggyback on your post, Hank - I didn't see the original. To some extent, it will depend on -which- 4kw Onan. The older, twin cylinder 1800 rpm Emerald series should be good for well in excess of 3000 hours - the one I know of with the most use had over 8000 the last time I saw it. The newer single cylinder 4kw Microlite/Microquiet runs at 3600 rpm, and probably will need at least a valve job by the time it's reached 5000 hours. But longevity of either one will depend mostly on how it's used and maintained. If it has been maintained, 800 hours on the generator is a -good- thing, not a minus. Probably close to 90 percent of the problems I find in the generators I work on can be traced to lack of use or lack of maintenance - like a 10 year old generator with 9 hours on it. Customer: "It worked fine the last time we used it" Me: "When was that?" Customer: "Two years ago" Me: Urge to say "Well, DUH!" <g> Alan > On Oct 16, 12:25?pm, the shadow knows <who knows @evil.heart> wrote: > > Looking at a used Class C with over 800 hours on its 4000kw Onan [quoted text clipped - 6 lines] > > Hank Hank, Alan works on gen-sets, so we all just assume he -does- know > Sorry to piggyback on your post, Hank - I didn't see the original. > [quoted text clipped - 12 lines] > > Alan Signature-------------------------------------------------------- Personal e-mail is the n7bsn but at amsat.org This posting address is a spam-trap and seldom read RV and Camping FAQ can be found at http://www.ralphandellen.us/rv > � Hank, Alan works on gen-sets, so we all just assume he -does- know Thanks for pointing that out. I had no idea. :-) Hank <~~~~Alans biggest fan........seriously! > This is just a guess, but I would expect at least 2-3000 with good > preventive maintenance. With bad PM, who knows? [quoted text clipped - 17 lines] > > Alan No problem Alan. I am sure you have more experience with generators than I do. Mine was just a guess as I stated. I basically was trying to convey that 900 hours isn't many IF it was well maintained. Your response reminded me of an older lady that always wanted me to maintain her car. She drove it about 500 miles a year. So, after about 10 years, she only had about 5K miles on a 1970 maverick. It was starting to rust and alot of the seals were drying out and the lifters were beginning to stick. When I picked it up to change the fluid and such, I would take it out on the freeway and cruise for about 20 miles and backSo, I agree that lack of use can be as harmful as lack of maintenance. I am very cautious of cars with low miles now. Hank Thanks to all for the input. Makes my decision making a lot more intelligent. It's nice to see some folk keep good maintenance records, guess it may be a function of the $$ they have put out. |
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