[C320-list] Yanmar 3GM issues

[Jeff Smith]

I carry a full set of metric and SAE open/box end wrenches, 3/8” sockets (both), screw drivers, pliers, and crescent wrenches. The last time I did not do this and had a problem, I frantically had to get creative with a Leatherman. 

Cheers,
Jeff
#121



> On Jul 17, 2024, at 2:18 PM, Louis Friedman via C320-list <c320-list at lists.catalina320.com> wrote:
> 
> one question for all - I only had a few crescent wrenches in my on board
> tool box which worked fine but I wonder if you
> have recommendations for fixed wrench sizes to keep handy or other tools
> that are a must?
> 
> Lou
> 
> On Wed, Jul 17, 2024 at 2:14 PM Bob Borelli via C320-list <
> c320-list at lists.catalina320.com> wrote:
> 
>> So it was an air leak.
>> Another good lesson to check for simple fix first to diesel hard or not
>> starting.
>> 
>> Thank you for letting us know!
>> 
>> Bob   no. 209   Sassafras River MD
>> ________________________________
>> From: C320-list <c320-list-bounces at lists.catalina320.com> on behalf of
>> Troy Dunn via C320-list <c320-list at lists.catalina320.com>
>> Sent: Tuesday, July 16, 2024 9:07 PM
>> To: C320-List at catalina320.com <C320-List at catalina320.com>
>> Cc: Troy Dunn <troutwarrior at gmail.com>
>> Subject: Re: [C320-list] Yanmar 3GM issues
>> 
>> Glad to hear it was as simple as a loose banjo bolt.   If it starts leaking
>> again change out the washers, they are once and done. ( you can reheat them
>> to re anneal and re use but they are so cheap…).  As far as the washers on
>> the two screws on top of the housing.   I believe one of those is a bleed
>> screw and the other is for some other purpose that escapes me at the
>> moment.   Also one of them has a copper washer and one actually has a
>> delrin or nylon washer.   I'm fairly sure the bleed screw has the plastic
>> washer.   Anyhow…as mentioned do not over tighten the bleed scew.   In
>> fact, go super easy on that screw, just nip it up snug and call it done, it
>> is super easy to over tighten that screw and then the next time it won’t
>> seal.   I keep spare washers on hand for this reason.
>> 
>> As another thing to watch out for.   The RACOR filter has a few of orings
>> inside it.  Mine started to leak last fall ever so slightly.   It was
>> getting an oily surface and starting to smell but not leaving any drips in
>> the bildge.   I could not figure out where the leak was coming from and
>> eventually removed it from the boat took it home and completely rebuilt it
>> with all new seals and Gasoila sealant on the threads.   No more leaks, but
>> finding all the right viton orings involved the grand tour of hardware
>> stores in my area.
>> 
>> FWIW
>> 
>> Troy Dunn
>> Hull #514
>> 
> 
> 
> -- 
> Louis Friedman, DO, FACP
> Woodbridge Medical Associates
> www.woodbridgemed.com
> 732-634-0036