OK, what's a crossover elbow? > On May 5, 2015, at 5:58 PM, ahycrace--- via CnC-List <cnc-list@cnc-list.com> > wrote: > > Tom > I had the same problem and it turned out to be the crossover elbow, > changed it and the problem went away. You can get a kit with all new bolts > and gaskets from oldport marine in Newport RI. (Yanmar 3gm30) I hear it is a > common thing. It was easy to do. > > Gary Kolc > ---- Chuck S via CnC-List <cnc-list@cnc-list.com> wrote: >> I clean my copper tube heat exchanger with 1/8" diameter wooden dowels >> bought from an art supply store like Michaels. Once a year. Pipe cleaners >> would be better, but can't find them anymore. >> >> >> Chuck >> Resolute >> 1990 C&C 34R >> Broad Creek, Magothy River, Md >> >> ----- Original Message ----- >> >> From: "svpegasu...@gmail.com via CnC-List" <cnc-list@cnc-list.com> >> To: cnc-list@cnc-list.com >> Sent: Tuesday, May 5, 2015 12:51:55 AM >> Subject: Re: Stus-List Overheating as high RPM only >> >> >> >> If you have a heat exchanger, that could be getting clogged. Open the end/s >> and look at the tubes. Sea water flows through these cooling the coolant. >> Over time they plug up and need to be cleaned. I use a long drill bit and >> doubled up 0.040 safety wire, then a bore brush. >> >> >> >> >> >> >> >> Doug Mountjoy >> >> svPegasus >> >> LF38 >> >> just west of Ballard, WA. >> >> >> >> >> ------ Original message------ >> >> From: Tom Buscaglia via CnC-List >> >> Date: Mon, May 4, 2015 18:19 >> >> To: cnc-list@cnc-list.com ; >> >> Subject: Stus-List Overheating as high RPM only We did a run last weekend to >> a local harbor for the weekend. Windwas fluky and it was a short trip so we >> were motoring. Alera has aYanmar 3HM35 with around 700 original hours and >> was running fine at ourusual cruising RPM of 26-2800 on the tach. The hot >> alarm went offand I let her cool down and then ran at a lower ROM (1800 or >> so) and nomore alarms. When I got to our destination, I cleaned out the >> rawwater trap as it was pretty crapped up. On the way back the alarmwent off >> again but this time all I had to do was throttle back to around2200 and it >> was fine. Much less steam/smoke that on the wayout. >> >> Today I checked the fan belt on the pump and it was a little loose so >> Itightened that. I'll be getting her hauled next week for a pressurewash, >> prop grease and zinc replacement, and will check the intakethen. >> >> Aside from the intake, belt and crap trap, anything else I shouldcheck? >> >> Tom B >> >> >> Tom Buscaglia >> SV Alera >> 1990 C&C 37+/40 >> Vashon Island WA >> (206) 463-9200 >> www.sv-alera.com >> >> >> _______________________________________________ >> >> Email address: >> CnC-List@cnc-list.com >> To change your list preferences, including unsubscribing -- go to the bottom >> of page at: >> http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the bottom > of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com >
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