[C320-list] Yanmar 3GM issues

[Brice Davis]

I have found rubbing alcohol to work well on neutralizing the diesel smell.  

Brice Davis 169 



Sent from my iPhone

> On Jul 26, 2024, at 10:52 AM, Jerry's Iphone via C320-list <c320-list at lists.catalina320.com> wrote:
> 
> 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