[C320-list] Yanmar 3GM issues

[Louis Friedman]

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