" Yanmar recommends running the engine full throttle 5 minutes every hour or 1 hour a day. "
That's exactly what the Yanmar Operating Manual for our motor says. Ken H. On Thu, 19 Jul 2018 at 13:58, Neil Andersen via CnC-List < cnc-list@cnc-list.com> wrote: > Ya mar recommends running the engine full throttle 5 minutes every hour or > 1 hour a day. The want you to heat things up to burn off carbon deposits. > > At least what the Service Manager told a group of Island Packet owners at > their annual rendezvous > > Neil Andersen > 20691 Jamieson Rd > Rock Hall, MD 21661 > > ------------------------------ > *From:* 30141442600n behalf of > *Sent:* Thursday, July 19, 2018 3:47 PM > *To:* cnc-list@cnc-list.com > *Cc:* Wade Glew > *Subject:* Re: Stus-List Yanmar 3HM35F Exhaust riser/goose neck > > Ok. So my engine is a Yanmar 2GM20F. I find the vibration "sweet spot" for > motoring is about 2200 rpm. Sounds like I should be pushing it harder > trying to find a sweet spot at a higher rpm? I can't recall what the > tachometer range is on my boat. I've also had someone mention pushing the > engine up to a high rpm before shutting it down for what reason I don't > know. Lastly, I notice truckers never shut off their engines immediately > after a highway haul. Should I idle my engine before shutting down after a > long motor. > Thanks for your thoughts. > Wade > Oh Boy C&C 33 MKII > > On Thu, Jul 19, 2018, 09:22 Bruce Whitmore via CnC-List, < > cnc-list@cnc-list.com> wrote: > >> Hello Wade, >> >> Essentially it means running the engine at relatively high RPMs (I've >> seen the number to by 85% of full speed) whenever reasonable, in gear and >> avoiding running the engine solely to charge the batteries. >> >> Bruce Whitmore >> 1994 C&C 37/40+ "Astralis" >> (847) 404-5092 (mobile) >> bwhitm...@sbcglobal.net >> >> >> ------------------------------ >> *From:* Wade Glew via CnC-List <cnc-list@cnc-list.com> >> *To:* cnc-list@cnc-list.com >> *Cc:* Wade Glew <wadeg...@gmail.com> >> *Sent:* Thursday, July 19, 2018 10:09 AM >> *Subject:* Re: Stus-List Yanmar 3HM35F Exhaust riser/goose neck >> >> Hi Josh, >> Being relatively new to the sailboat business can I please ask what you >> mean by "keeping the engine load as high as possible" with regard to Soot >> accumulation? >> Wade >> Oh Boy C&C 33 MKII >> >> On Sat, Jul 14, 2018, 16:24 Josh Muckley via CnC-List, < >> cnc-list@cnc-list.com> wrote: >> >> I was pleasantly surprised, that after 5 years of use and no service, the >> elbow was in no way clogged with soot. I believe this to be a result of >> regulatory keeping the engine load as high as possible. >> >> Josh >> >> On Sat, Jul 14, 2018, 5:11 PM Josh Muckley <muckl...@gmail.com> wrote: >> >> It is original to my ownership (6 years), who knows prior to that. >> Replaced with "stainless" from ebay. >> >> Josh >> >> >> >> On Sat, Jul 14, 2018, 4:46 PM Jake Brodersen via CnC-List < >> cnc-list@cnc-list.com> wrote: >> >> Josh, >> >> That’s a nasty hole. How old is the elbow? Time for a new one. >> Standard or stainless? >> >> Jake >> >> *Jake Brodersen* >> *C&C 35 Mk-III “Midnight Mistress”* >> *Hampton VA* >> [image: cid:image001.png@01D2F43E.567E4070] >> >> >> >> *From:* CnC-List <cnc-list-boun...@cnc-list.com> *On Behalf Of *Josh >> Muckley via CnC-List >> *Sent:* Saturday, July 14, 2018 15:21 >> *To:* C&C List <cnc-list@cnc-list.com> >> *Cc:* Josh Muckley <muckl...@gmail.com> >> *Subject:* Stus-List Yanmar 3HM35F Exhaust riser/goose neck >> >> I found some rust blisters on the riser while poking around in the engine >> the other day. I had a moment yesterday to do the replacement with parts >> which I have had for some time. The rubber exhaust hose was stuck on and a >> considerable amount of wrestling was required to separate it from the >> riser. In the effort it went unnoticed that some of the rust blisters had >> broken away. Once I finally got it off and had a chance to inspect I found >> that the rust had opened up a dime sized hole. If this had let go >> unexpectedly I would have started blowing exhaust and water into my engine >> compartment. My "what would I have done" thoughts started rolling and I've >> decided that a tube of epoxy putty would have been my first effort at an >> emergency repair. >> https://drive.google.com/folderview?id=1aC6-4V8P3BufZhZsusYFmMlmHknk-Ftv >> >> Josh Muckley >> S/V Sea Hawk >> 1989 C&C 37+ >> Solomons, MD >> >> >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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