Thank you Bill On Tue, Nov 1, 2022 at 6:39 PM Bill Coleman via CnC-List < cnc-list@cnc-list.com> wrote:
> 350 # appears correct. I never had a problem with galling, but having > worked with SS all my life, I know it is a real problem, one you don't want > there for sure. So If you are worried, I would put some penetrating oil > that is also lubricating on the bolts before removing. When they are out, > clean them and use TefGel on the threads, and maybe only torque to 300#. > If you have Carbon steel washers, replace them with big, heavy SS washers, > or have some plates made. The 1 5/8" nuts sound like heavy duty nuts, nice. > If the pitting is bad, you might want to replace, if not, dip them in acid > to remove the corrosion. > I also had long bolts, I sawed the socket in half, and welded a piece of > tubing in to extend it. > > Bill Coleman > Entrada, Erie PA > > On Tue, Nov 1, 2022 at 3:51 PM James Hesketh via CnC-List < > cnc-list@cnc-list.com> wrote: > >> My boat is a ’78 C&C 26. It’s a Florida boat and has spent all its life >> year round in salt water. I’ve had her for a few years now and I found the >> infamous “Smile” when I hauled out yesterday and have a few questions about >> re-torquing the bolts. After sanding in prep for paint I can see previous >> smiles have been repaired. >> >> >> 1) From the Keel Bolt Specification chart in the C&C Photo Album it shows >> the torque spec to be 350 Foot Pounds for the 1-inch bolts. Is Ft-Lbs >> correct or could that be Newton Metres? >> >> >> 2) I have three 1-inch bolts and one 1/2-inch bolt that is furthest aft. >> The Spec Chart lists a 1 1/2-inch nut for the 1-inch bolts. Mine are 1 >> 5/8-inch. Does that mean these might not be original, or could C&C have >> sometimes used different size nuts? >> >> >> 3) All three of the 1 5/8-inch nuts have various stages of pitting, I’m >> assuming it's from electrolysis. The deepest pits appear to be about 1/8th >> inch deep. I’ll remove one nut and take it with me when searching for >> replacements to make sure I have the correct thread pattern. The question >> is: do I worry about the bolts themselves, or leave them be following the >> ignorance-is-bliss principle? >> >> >> 4) I once had a SS nut on a SS all-thread keel bolt gall when I was >> removing it — which caused all sorts of complications. I'm terrified of >> that happening here. Any tricks or suggestions to lessen the chance of that >> happening, especially since I suspect electrolysis issues? Also, I will >> need to cut about a 1/2- inch off the tops of two of the 1-inch bolts to >> get my deep socket onto the nuts (the bolts currently protrude 1 3/4-inch >> above the nuts. Will the heat from cutting through them contribute to or >> lessen the chances of galling? >> >> 5) When re-torquing should I use some sort of anti-seize or torque it dry? >> >> >> Thanks in advance, >> >> Jim Hesketh >> C&C 26 - Whisper >> Miami, FL >> >
