Hi Dave, I just replaced my shaft, coupler, and shaft seal. The coupler was not flush. Also the coupler had to be fitted to the shaft by a machine shop.
Douglas Mountjoy 1988 C&C LF 39 Mexico at large Transpacific 37 POYC Port Orchard, WA On Thu, Apr 17, 2025, 06:45 David Knecht via CnC-List <cnc-list@cnc-list.com> wrote: > When I took my transmission apart last summer to try to replace it, I > found that the coupler had been put on flush with the shaft end. The new > transmission I got required the coupler to be slightly offset so there was > a depression for the transmission coupler to seat flush with the shaft > coupler. I have tried all winter to get the two nuts loose that hold the > shaft collar in place and could only get one off. I am giving up on that > project for now and I suspect that even if I could get the nut loose, the > coupler is likely to be unmovable, so likely would require replacing the > shaft. > I am curious, since you just did this if the shaft coupler was recessed? > My transmission consultant said they should always be put on so it is not > flush with the shaft. Do you know if yours was flush or recessed? Dave > > S/V Aries > 1990 C&C 34+ > New London, CT > > [image: pastedGraphic.tiff] > > On Apr 17, 2025, at 9:27 AM, Robert Abbott via CnC-List < > cnc-list@cnc-list.com> wrote: > > Jeff > Took your advice and replaced the packing gland. I hired a marine > mechanic to do it as it did not look like a DIY job. Good thing I did as > he had to move the engine forward to get a puller to fit to remove the > coupler. The old hose was approximately a third as thick as the new one > and the new hose is wire reinforced....the old one wasn't. > I had the boat since 2006 and had never replaced the packing gland. if > the new one lasts as long it will see the end of my sailing days. > Will look forward to seeing and waving to you in the NWR. > Regards > Rob > AZURA > > > On 2025-03-20 7:50 p.m., Jeff Nelson via CnC-List wrote: > > I'd definitely replace it before it starts to come apart. That said... > > I replaced mine a few years ago 1979 C&C 30. Guessing it was original. > There were cracks in the outer coating, > and I was starting to lose sleep over it. So, that's likely pushing it to > the extreme. The hoses don't get a lot > of wear, aren't exposed to UV degradation, but have sea water and > vibration to deal with. > > You will have to pull the transmission prop coupler to get the new one > on...If it was like mine last done > when it left the factory floor, you may need a new coupler as convincing > it to release from the shaft may > damage it. > > Cheers, > Jeff Nelson > Muir Caileag > C&C 30 - 549 > Armdale Y.C. > > On 2025-03-20 17:43, Robert Abbott via CnC-List wrote: > > Ed > Thank you for your response...I agree that replacing it is a prudent thing > to do. > However, I am looking for a more definitive answer as to the prudent > frequency of replacing it, e.g. # of engine hours, # of years, etc. What > is the normal expected life span of the this hose/gland that seals the prop > shaft from water egress? > > Rob > > On 2025-03-20 4:26 p.m., Edward Levert wrote: > > Robert > > Change it on your next haul out. It is peace of mind. > > Ed Levert > Briar Patch > 1981 C&C 34 > New Orleans, La > > On Thu, Mar 20, 2025 at 2:17 PM Robert Abbott via CnC-List < > cnc-list@cnc-list.com> wrote: > >> My C&C 32 has a 1" prop shaft. Where it enters the stern hull before >> the packing gland, there is a hose gland approximately 6" to 10" long >> with several large adjustable clamps around it that covers the prop shaft. >> How often should that hose gland be replaced? Is it # of engine hours, >> # of years, etc. Replacing it after it ruptures could be impossible if >> the boat sinks which i understand to be the case. >> Any advice greatly appreciated. >> >> Rob Abbott >> C&C 32 - 1984 >> Halifax, N.S. >> >> >> Your contributions help pay the fees associated with this list and help >> to keep it active. Please help by making a small contribution using PayPal >> at: https://www.paypal.com/paypalme/stumurray All contributions are >> greatly appreciated. > > > > Your contributions help pay the fees associated with this list and help to > keep it active. Please help by making a small contribution using PayPal at: > https://www.paypal.com/paypalme/stumurray All contributions are greatly > appreciated. > > > > Your contributions help pay the fees associated with this list and help to > keep it active. Please help by making a small contribution using PayPal at: > https://www.paypal.com/paypalme/stumurray All contributions are greatly > appreciated. > > > Your contributions help pay the fees associated with this list and help to > keep it active. Please help by making a small contribution using PayPal > at: https://www.paypal.com/paypalme/stumurray All contributions are > greatly appreciated. > > > Your contributions help pay the fees associated with this list and help to > keep it active. Please help by making a small contribution using PayPal > at: https://www.paypal.com/paypalme/stumurray All contributions are > greatly appreciated.
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