Isn't that type of coupling a 'one time use' in that it has to be machined to be a friction-fit?
On Aug 31, 2017 12:27 PM, "Marek Dziedzic via CnC-List" < cnc-list@cnc-list.com> wrote: > in the meantime, consider using a prop shaft collar (even a cheap hose > clamp) to avoid the repeat performance (shaft disappearing in the shaft > tube). > > Marek > 1994 C270 “Legato” > Ottawa, ON > > *From:* Jim Brown via CnC-List > *Sent:* Thursday, August 31, 2017 13:03 > *To:* cnc-list@cnc-list.com > *Cc:* Jim Brown > *Subject:* Re: Stus-List 29-2 stuffing box Now Stuffing Material Damage > > > Returning to the dock, I ran the prop in reverse and heard a small “thud” > from below. I discovered that the prop shaft had pulled out of the coupling > and pulled back through the stuffing box allowing sea water to enter. We > managed to push the shaft back through the stuffing box and back into the > coupling, thus stopping the water flow. The boat had been pulled about a > month before and the stuffing box removed, the flex hose replaced and all > reinstalled with new stuffing, etc. The mechanic that had done the work > suggested that pulling the shaft out of the box and then pushing it back in > should not have damaged the stuffing material and, therefore, the boat > doesn’t necessarily need to be pulled (again) to correct what caused the > shaft to pull out. We have the older set screw type coupling, not the split > coupling. The set screw appears damaged where is goes into the shaft dimple > and the key is missing – hopefully not lost in the shaft tube. > > I’m a little concerned about possible stuffing damage and wondering if any > “listers” have any advice. As always, this site is very informative and > enjoyable over all the years. Thanks very much. > > > > Jim Brown > > “Flash Over” > > 1981 C&C 34 > > Vancouver > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Dennis > C. via CnC-List > *Sent:* Friday, February 24, 2017 2:20 PM > *To:* CnClist > *Cc:* Dennis C. > *Subject:* Re: Stus-List 29-2 stuffing box > > > > A couple of BIG slip joint (Channelock) pliers will do the trick. The > infamous packing gland wrench (sink wrench) also works with one of the > aforementioned pliers. > > > > https://www.amazon.com/General-Tools-190-Adjustable- > Wrench/dp/B0031F02EK/ref=pd_lpo_200_lp_t_3?_encoding=UTF8&psc=1&refRID= > 481P75GC53T779BWMF7R > > > > I use a PTFE impregnated packing. I like conventional packing glands. > I've seen a couple of failures of dripless packings. > > > > A buddy just had his boat's box re-packed by a yard. After just an hour > or so of motoring, he observed some gray wax-like stuff under the packing > gland. He confronted the yard manager with the evidence. seems they ran > out of PTFE packing and finished with this wax-like stuff. They re-packed > it for him. > > > > Here's some reading for you: > > > > http://www.pbase.com/mainecruising/stuffing_box&page=2 > > > > Dennis C. > > Touche' 35-1 #83 > > Mandeville, LA > > > > On Thu, Feb 23, 2017 at 4:57 PM, Bev Parslow via CnC-List < > cnc-list@cnc-list.com> wrote: > > What tools are the best to tighten the stuffing box on a 29-2. Also what > is the size of the packing? What packing should be used? > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > > > > > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > Virus-free. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > >
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