Re: Stus-List Yanmar 3JH2E leak around water pump impeller cover

2017-06-07 Thread Alan Liles via CnC-List
el...@aol.com > > > -Original Message- > From: Neil Gallagher via CnC-List <cnc-list@cnc-list.com> > To: cnc-list <cnc-list@cnc-list.com> > Cc: Neil Gallagher <njgallag...@optonline.net> > Sent: Wed, Jun 7, 2017 10:18 am > Subject: Re: Stus-List

Re: Stus-List Yanmar 3JH2E leak around water pump impeller cover

2017-06-07 Thread Josh Muckley via CnC-List
I have a speedseal. I like the engineering. I have never burnt up an impeller. I also run a globe run-dry impeller. Josh Muckley S/V Sea Hawk 1989 C 37+ Solomons, MD On Wed, Jun 7, 2017, 10:20 AM ALAN BERGEN via CnC-List < cnc-list@cnc-list.com> wrote: > Have you consideered one of these: >

Re: Stus-List Yanmar 3JH2E leak around water pump impeller cover

2017-06-07 Thread Charlie Nelson via CnC-List
, NC cenel...@aol.com -Original Message- From: Neil Gallagher via CnC-List <cnc-list@cnc-list.com> To: cnc-list <cnc-list@cnc-list.com> Cc: Neil Gallagher <njgallag...@optonline.net> Sent: Wed, Jun 7, 2017 10:18 am Subject: Re: Stus-List Yanmar 3JH2E leak around w

Re: Stus-List Yanmar 3JH2E leak around water pump impeller cover

2017-06-07 Thread ALAN BERGEN via CnC-List
Have you consideered one of these: http://www.speedseal.com/speedseal.html I haven't tried one, but I'm considering putting one on my pump. Has anyone on the list tried one? Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR On Wed, Jun 7, 2017 at 5:51 AM, Bruce Whitmore via CnC-List <

Re: Stus-List Yanmar 3JH2E leak around water pump impeller cover

2017-06-07 Thread Neil Gallagher via CnC-List
Bruce, The issue with putting a gasket under the cover is that now the cover will be moved away from the edge of the vanes of the impeller. The pump works by creating a vacuum in each space between the vanes at the inlet as the impeller vanes open up and pressure when the vanes close down a

Stus-List Yanmar 3JH2E leak around water pump impeller cover

2017-06-07 Thread Bruce Whitmore via CnC-List
Hello, I replaced the impeller on a Yanmar 3JH2E about a month ago, and I was checking over the engine last weekend and noticed some wetness coming through around the impeller cover.  I tightened the cover bolts (they were not really loose), and the leak still continues.  When I replaced the