[C320-list] Yanmar 3GM issues

[Jerry's Iphone]

Follow up to Art’s message. I had a diesel fuel problem this spring.  Still having trouble getting the smell out. I suspect it has permeated the cushions. What’s good for eliminating the poor throughout the boat?

Jerry
JellyRoll  890

> On Jul 16, 2024, at 5:55 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