Sounds like the cone is worn, whatever that means. Yes, take it to a tranny shop.
Jim Watts Paradigm Shift C&C 35 Mk III Victoria, BC On 2 February 2015 at 18:46, David Jacobs via CnC-List < cnc-list@cnc-list.com> wrote: > > > *My 1984, 35 MKIII has its original Yanmar 3GM and a 1984 Martec folding > prop. I was experiencing really bad vibration at the end of the season as > if the prop wasn’t opening or as if only 1 of the 2 blades was unfolding. > I’d put it in reverse (during which there was never any of the vibration) > then put it into forward quickly and hard and after several attempts it > would usually be OK until I slowed down like when approaching the mooring > and then it would happen again.* > > > > *I sent the prop back to Martec to get it refurbished and when speaking to > them they suggested that although the prop was in need of refurbishment > that the vibration I was experiencing might be due to the engine clutch > slipping. When I asked a Yanmar repair guy about that he said that might > indeed be the issue. Apparently the only way I’m going to be able to tell > if the refurbished prop was the cause is when its back on the shaft and the > boat’s back in the water. Since I really don’t want to miss any of the > short season, racing beginning just a few weeks after the boat’s back in > the water and the cost and hassle of pulling the boat out again after it’s > launched in the spring, I’m leaning towards taking prevent yanking the > transmission out, bringing it to a shop and having it rebuilt.* > > > > *Have any of you had this experience? Has having the prop fixed/replaced > always solved the issue? Or, is there a good possibility that it is indeed > the transmission? Any experience and/or advice the group can provide would > be greatly appreciated.* > > > > *Dave* > > *Saltaire* > > *Bristol, RI.* > > > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > >
_______________________________________________ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
