[C320-list] Yanmar 3GM issues

[ART HARDEN]

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