Josh
I don't think I have specs, but Alera came with a bunch of the
original paperwork. I give it a look. Also, since she had under 500
hrs on the engine when we got her I'm sure that the mounts are
original. So, let me know if you'd like me to get you some pictures
of the mounts. This assumes there were no changes in the production
runs between Sea Hawk and Alera.
Tom B
At 09:00 AM 12/11/2013, you wrote:
Message: 6
Date: Wed, 11 Dec 2013 06:33:55 -0500
From: Josh Muckley <muckl...@gmail.com>
To: cnc-list@cnc-list.com
Subject: Stus-List C&C 37+ engine mounts
Message-ID:
<ca+zacrbdxb31vdokyeohfz4v1zhgckpqpxmzbfj8xrhixcl...@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Hey Folks,
I'm in the process of replacing my engine mounts on Sea Hawk, equipped with
the original Yanmar 3HM35F. I purchased mounts from PYI. They look to be
quite high quality mounts and appear to be made of SS. Unlike OEMs, they
are positively captured so your engine won't go flying lose if the rubber
separates.
The previous mounts were not OEM either. In fact it appears that the PO
may have over loaded them or installed used mounts because the forward pair
appeared very compressed, almost a 1/2 in shorter and kind of inverted on
themselves. At first glance I thought they were different designs from the
aft pair. Because they were short it looks like the PO had to build up the
forward foundations with some 5/8 or 1/2 inch starboard (polyethylene)
blocks.
Sitting between the engine mounts and the glassed in foundation of the boat
there are 1/2 inch thick aluminum plates. They run the full length and
width of each port and starboard foundation rail. Because of the clearly
redesigned nature of the situation I began to question if these aluminum
plates should be there or if they too were part of the PO's engineering.
I'm looking for thoughts and advice regarding the engine mount replacement
task as well as the appropriateness of the aluminum plates. It would also
be helpful if anyone has torques specs or design details of the fiberglass
foundation.
Thanks,
Josh Muckley
S/V Sea Hawk
1989 C&C 37+
Yanmar 3HM35F
Solomons, MD
Tom Buscaglia
SV Alera
C&C 37+/40
Vashon Island WA
(206) 463-9200
www.sv-alera.com
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