Thanks for all the quick responses. My test at the dock showed the shaft spinning up with rpms, but I think you are all right about the transmission. The engagement is slow, not a think. We're at Brewers in Branford, so I think a trip to Old Saybrook is in my future...
Tim On Aug 22, 2012, at 8:44 PM, "John and Maryann Read" <johnpr...@comcast.net> wrote: > Tim > > We had exactly the same symptoms on our 3GM and the fix was as Graham > described. Our trans was OEM made by a Kansaki (Yanmar subsidiary) and they > stopped making our model some time ago. The newer versions may fit the bell > housing but have different overall dimensions so your only real alternative > is a rebuild. Parts are only available through Yanmar or their direct > distributor, Mack Boring in New Jersey. Mack can do the rebuild but are > normally backlogged. We wound up having Brewer's at Saybrook Point do it as > they are the transmission repair site for the entire Brewer's franchise and > are local to our area. Did a great job with as promised delivery. Biggest > hang up was getting the cone and matching gears and they are expensive. > Total bill about $1500 and I did the removal and reinstallation of the tranny. > > Hope this helps > > > John and Maryann > > Legacy III > > 1982 C&C 34 > > Noank, CT > > > -----Original Message----- > From: cnc-list-boun...@cnc-list.com [mailto:cnc-list-boun...@cnc-list.com] On > Behalf Of Graham Collins > Sent: Wednesday, August 22, 2012 8:24 PM > To: cnc-list@cnc-list.com > Subject: Re: Stus-List Transmission or Prop Issue? > > > Clutch cone? I had similar issues when I bought my boat, but not identical - > when in gear it would slowly engage, once engaged it would stay engaged. > Reverse was fine. Had to get the cones lapped, the surfaces were seriously > glazed. Which meant pulling the transmission for an overhaul... > > Note, pulling the tranny wasn't a big task, took an hour or two and the same > on re-installation. I did that part, a friend overhauled it for me. > > Graham Collins > > Secret Plans > > C&C 35-III #11 > > > Tim Goodyear wrote: > > > The last time out I noticed some strange behaviour when motoring. > > > Basically, I got very little drive from the prop until I increased > > > revs pretty substantially (around 2000rpm) and then it 'caught' and I > > > got normal speed from the revs, and am able to throttle up or down > > > appropriately. If I brought the throttle to idle (in gear) at speed, > > > I would have to do the same thing to get it to 'catch' again. I > > > didn't have time to do more diagnosis at the end of the trip, but will > > > do so when I head to the boat this evening pre-race. Reverse worked > > > fine backing out of the slip. > > > I'm thinking either its a transmission problem, or the propellor > > > (2-blade flex-o-fold) isn't opening when it should. I'm going to > > > check the shaft speed in-gear at the dock, which should tell me which. > > > If it turns out to be propellor, then I'll live with it until the end > > > of the season; if it's the transmission, does anyone have ideas about > > > where to go next? Gear oil was changed at the beginning of this > > > season, so that shouldn't be the issue, but I'll check levels etc. > > > The engine is a Yanmar 3GMF. > > > Thanks, > > > Tim > > > Mojito > > > C&C 35-3 > > > > > > > > > _______________________________________________ > > > This List is provided by the C&C Photo Album > > > http://www.cncphotoalbum.com CnC-List@cnc-list.com > > _______________________________________________ > > This List is provided by the C&C Photo Album http://www.cncphotoalbum.com > CnC-List@cnc-list.com > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com
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