Set a couple o' dial indicators on the v-drive,
near the coupling, and cycle her in & out of
gear. The dial indicators will show any
deflection and the amount. You might have to move
them around and try different angles to get the full picture.
Cheers, Russ
At 05:20 AM 5/24/2018, you wrote:
Content-Language: en-US
Content-Type: multipart/alternative;
boundary="_000_b707fc99bda54becb67743b7509e2d18NSCDAG306baadssagov_"
Back when I worked on boats we tried EVERYTHING
new bolts, better bolts, safetyy wire, etc etc. to solve an issue like this.
What turned out to be the issue was one bad
motor mount that let the engine yank way out of position going into gear.
Joe
Coquina
From: CnC-List
[mailto:cnc-list-boun...@cnc-list.com] On Behalf Of detroito91 via CnC-List
Sent: Thursday, May 24, 2018 6:09 AM
To: cnc-list@cnc-list.com
Cc: detroito91 <detroit...@aol.com>
Subject: [EXTERNAL] Re: Stus-List Coupling bolts shearing
No..but i'm going to follow up on that. Used grade 8.
Jim
-------- Original message --------
From: Russ & Melody via CnC-List
<<mailto:cnc-list@cnc-list.com>cnc-list@cnc-list.com>
Date: 5/24/18 12:37 AM (GMT-05:00)
To: <mailto:cnc-list@cnc-list.com>cnc-list@cnc-list.com
Cc: Russ & Melody <<mailto:russ...@telus.net>russ...@telus.net>
Subject: Re: Stus-List Coupling bolts shearing
Hi Jim,
My first question is, "Did someone recommend and
use stainless steel bolts, say 316L, as the "best" for marine application?"
Cheers, Russ
Sweet 35mk-1
At 11:48 AM 5/23/2018, you wrote:
The boat in question is an 81 landfall 38.
The v-drive coupling bolts have sheared off 3 times and caused loss of power.
Have been very careful to pause when changing gears.
The westerbeak engine runs great throughout all
this. The shaft removed and checked after the
second time. The 2 bladed max prop sent back
and rebuilt. New motor mounts installed by po
when replacing engine. About 4 years ago (<200
hours on engine) coupling. Allignment done each time and found okay.
I am looking for advice, suggestions, similar
situations and corrections. HELP
Losing confidence in boat.
Thanks
Jim schwartz
SEA YA I
38 LF
Washington nc
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