The problem with "flushing" is that from an environmental perspective you'll probably want to collect what coolant you can. Now disconnecting the hoses and using a shop-vac to blow out the coolant with air would probably work. Why do you want to flush out the system? If you're worried about the efficacy of the coolant you can just test/sample it. The fresh water cooling system is pretty unlikely to be the week link along your delivery trip. There are lots of projects (they never end) just wait till you are safe and sound in your home marina and you don't have impending deadlines bearing down on you.
Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Fri, Feb 10, 2017, 5:12 PM Bruce Whitmore via CnC-List < cnc-list@cnc-list.com> wrote: > Hello all, > > We have a Yanmar 3JH2E, and I would like to drain and flush the cooling > system, including the hot water heater before I move the boat. I see in > the engine manual talk about small petcocks, but is there a way, such as by > removing hoses that I can not just drain the coolant, but actually flush > through fresh water? I'm thinking there's got to be a relatively simple > approach, but I could be wrong.. > > Thanks in advance! > > Bruce Whitmore > > (847) 404-5092 (mobile) > bwhitm...@sbcglobal.net > _______________________________________________ > > 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! >
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