Replaced my exhaust elbow on 1GM last season with a stainless. They're available on eBay. Made it easier to start and reduced black smoking. Jerry
Sent from my iPhone > On Apr 2, 2017, at 10:36 PM, Dennis C. via CnC-List <[email protected]> > wrote: > > Brent, > > If you or the previous owner ran the engine at low rpms frequently, then mix > elbow pluggage is more likely. Diesels, and Yanmars in particular, like high > rpm and heavy loads. > > First thing to try is to disconnect the water discharge hose that connects to > the mix elbow. With the engine cold, crank the engine and observe the flow > for a short period. Not long or the hot exhaust will damage the > muffler/exhaust hose system. Reconnect it and observe the water being > ejected. Is it noticeable less? If so, the mix elbow is partially plugged > and should be cleaned. > > If the water flow from the disconnected hose is very low, then start at the > discharge of the raw water pump, disconnecting each section and checking for > flow with engine running for short periods. > > Dennis C. > > > >> On Sun, Apr 2, 2017 at 9:01 PM, Brent Driedger via CnC-List >> <[email protected]> wrote: >> Thanks for the suggestion on the mixing elbow. That's my next item on the >> list after the injector. I've read that Yanmar had some very big mixing >> elbow issues with some falling apart inside from broken welds and pitted >> stainless steel issues. >> I'm not sure if there's a t-stat. I've never been able to find it. It's >> possible there could be blockages in the raw water channels as a piece of >> impeller had broke off years ago and could not be found. It was very small >> and hopefully went through. >> The good news is these are simple engines and Nigel's book has been helpful. >> Cheers >> >> Brent >> 27-5 >> s/v Wild Rover >> > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated!
_______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!
