[C320-list] Yanmar 3GM issues

[Bob Borelli]

Wrench List
3/8”     for oil change plug.
9/16”    14 mm  for Oil Change threaded nipple fitting
9/16”    14 mm  for Aqua Muffler drain plug.
11/16"  17 mm  Gearbox dip stick
18 mm   Bleed Secondary Fuel Filter bleed screw.
14 mm   Bleed Lift Pump bleed screw
17 mm   Bleed Injectors with box wrench.
10 mm  Sea Water Pump Impeller cover plate.
24 mm  Crankshaft bolt 24 mm socket.
Exhaust Elbow 12mm & 13mm box wrench
Alternator Fan Belt Wrench List replacement:
12 MM Long Socket
12 MM Short Socket

Along with alot of other tools.  I try to minimize tools so I determine what I need I keep in small tool boxes to keep out of the way.

Bob Borelli  no. 209  'Elusive'
________________________________
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: Wednesday, July 17, 2024 2:31 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

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
> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.woodbridgemed.com%2F&data=05%7C02%7C%7C4007ef614e604903d22a08dca68ed89b%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C638568379658162338%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=ijC48pCmLymOxq%2FxvrpO8n%2FEaYXFeZ8ts5O%2BX93o4UU%3D&reserved=0<http://www.woodbridgemed.com/>
> 732-634-0036