[C320-list] Yanmar 3GM issues

[Louis Friedman]

Thanks for the tips.  I suspected it will smell like diesel down there for
a bit.  I'll pick up some Grease X or Fast orange? detergent.  the loose
nut  was not the bleeder screw but I'll keep an eye out for that.

On Tue, Jul 16, 2024 at 5:54 PM ART HARDEN via C320-list <
c320-list at lists.catalina320.com> wrote:

> Lou:
>
> Get some laundry detergent that is specialized for mechanics. it will help
> dissipate the diesel smell. mix it with water and use a sprayer to clean up
> the spilled diesel.
>
> Sent from my iPhone
> Art Harden
> Catalina 320 "Tortuga" E-62
> 937.885.9380 (o)
> 937.477.5544 (m)
>
> > On Jul 16, 2024, at 8:42 AM, Louis Friedman via C320-list <
> c320-list at lists.catalina320.com> wrote:
> >
> > thanks all.  I recruited someone more experienced than me at out
> club(not
> > hard to do!) and it turned out to be a loose nut at the point the fuel
> hose
> > enters the secondary fuel filter.  Seems to be running good now but I
> need
> > to clean up a pile of diesel fuel today!
> >
> > Lou
> >
> >> On Sun, Jul 14, 2024 at 9:20 PM Louis Friedman <loualfr at gmail.com>
> wrote:
> >>
> >> thanks all. lots of good advice here.  I will take a look this  week. We
> >> were heeling a bit today so I wonder if some crud did get in the fuel
> line.
> >>
> >> Lou
> >>
> >> On Sun, Jul 14, 2024 at 6:33 PM Bob Borelli via C320-list <
> >> c320-list at lists.catalina320.com> wrote:
> >>
> >>> When I have trouble starting my M30 engine,
> >>> And need to continuous turning over hoping to start
> >>> I remove the drain plug on the Aqua Filter (9/16" wrench)
> >>> So I can turn the engine over at 30 second or more intervals
> >>> with no worry about back filling the exhaust hose, elbow, exhaust
> manifold
> >>> which would be a very serious error!
> >>> Easy to pump water out of the bilge & return drain plug to Aqua Filter.
> >>> When lucky enough to have solved hard to non start problem.
> >>> To date my problems have been air leaks & a brand new dirty primary
> >>> filter from debris stirred up from bottom of tank.
> >>> I've have had a work request to polish the fuel with hope to get the
> >>> bottom debris out of the tank.
> >>> And I keep several spare primary & secondary filters onboard for the
> next
> >>> unexpected time diesel fades or hard to start.
> >>>
> >>> I'm thinking of replacing the 3 injectors with new from Part4Engines
> >>> instead of sending to shop for test and rebuild.
> >>> M30 has  1650 engine hours.
> >>>
> >>> Bob  1995 C320 no. 209  moored on the Sassafras
> >>> ________________________________
> >>> From: C320-list <c320-list-bounces at lists.catalina320.com> on behalf of
> >>> Jeff Smith via C320-list <c320-list at lists.catalina320.com>
> >>> Sent: Sunday, July 14, 2024 6:11 PM
> >>> To: C320-List at catalina320.com <C320-List at catalina320.com>
> >>> Cc: Jeff Smith <svsailmates512 at gmail.com>
> >>> Subject: Re: [C320-list] Yanmar 3GM issues
> >>>
> >>> How many hours on the engine? This is how many problems started on my
> >>> Perkins with approx. 1,150 hours. After much troubleshooting, I had my
> >>> injectors and injection pump rebuilt (not at the same time). That solve
> >>> the
> >>> issue.
> >>>
> >>> The advice the shop gave me was to start with a clean container of
> diesel
> >>> and work backwards from the injection pump. It is probably with
> changing
> >>> the two filters first (approx. $50), before you start taking fuel lines
> >>> loose and plugging them into the clean tank of diesel. However, this
> >>> method
> >>> is how I diagnosed my issue.
> >>>
> >>> I also installed ann electric fuel pump. I simply turn it on after
> >>> changing
> >>> the filters. It usually eliminates the need to bleed the system, or it
> >>> makes bleeding extremely easy.
> >>>
> >>> Good luck,
> >>> Jeff
> >>> #121
> >>>
> >>> On Sun, Jul 14, 2024 at 4:51 PM Louis Friedman via C320-list <
> >>> c320-list at lists.catalina320.com> wrote:
> >>>
> >>>> Hi all, looking for thoughts here- went out for a sail today -engine
> >>> took
> >>>> a lot of priming to start but then was fine. After 2 hrs sailing it
> >>>> wouldn’t turnover despite more priming. Had to sail it into the
> mooring.
> >>>> Someone suggested  maybe a fuel line clog or I need to change the
> >>> primary
> >>>> fuel filter? Both fuel filters were changed upon launching in May-
> >>> would it
> >>>> make sense to change again ?  Picked up Nigel Calders book on diesels
> >>> but
> >>>> still learning.
> >>>>
> >>>> Lou
> >>>> S/v Miss Adventure
> >>>> #623
> >>>> Sent from my iPhone
> >>>
> >>
> >>
> >> --
> >> Louis Friedman, DO, FACP
> >> Woodbridge Medical Associates
> >> www.woodbridgemed.com
> >> 732-634-0036
> >>
> >>
> >
> > --
> > Louis Friedman, DO, FACP
> > Woodbridge Medical Associates
> > www.woodbridgemed.com
> > 732-634-0036
>


-- 
Louis Friedman, DO, FACP
Woodbridge Medical Associates
www.woodbridgemed.com
732-634-0036