Depends on which furler you have. If you have a Harken MKIII, the trim caps are notorious for "disappearing". It is just a vinyl cap which slides over the top of the extrusion (Harken #870). Later Harken furlers use a split insert which goes around the fore stay into the extrusion.
Some riggers bend the "ears" of the extrusion inward after installation. Then they wrap electrical or rigging tape around the top of the extrusion annually. I replace the trim cap on Touche' every so often and wrap it heavily with tape. To do that on an existing furler, I have to cut the trim cap to slide it over the fore stay. Dennis C. On Mon, Nov 5, 2018 at 10:34 AM David Knecht via CnC-List < [email protected]> wrote: > Hii Dennis- That is the first I have heard of a plastic trim cap. Is this > something attached to each side of the mast entry box? It makes sense to > have something to protect the halyard from the metal edges, but I don’t > know if something is up there or not. I will bring my stabilized zoom > telephoto camera next time and see if I can get a look. As to location of > the damage, it is very hard to tell exactly where it is. The damage > happens slowly over a season and by the time I notice it, the cover is > pulled apart by about 4-5”. The start of the damage is about 8 inches > above the furler, so it is either just as the rope enters the mast or > slightly further which would be the sheave or something just inside. > Impossible to tell which from the deck. Dave > > > On Nov 5, 2018, at 8:59 AM, Dennis C. via CnC-List <[email protected]> > wrote: > > Is the damaged spot match up to the top of the extrusion? Is the top of > the extrusion missing the plastic trim cap? > > Lower the sail, put some tape on the damaged spot and re-hoist the sail. > Use binoculars to see if the tape is at the top of the extrusion. > > If so, it may be the top of the extrusion damaging the halyard. I > recently cut a halyard completely in two with the extrusion top when I > didn't realize a halyard was inadvertently over the fore stay and I furled > the headsail. The top of the extrusion can be much rougher and sharper > than you think. > > If this is the issue, you can solve the problem several ways. A halyard > restrainer to hold the halyard away from the extrusion or modification of > the top of the extrusion. Go aloft and squeeze the edges of the two slots > together and file or grind them smooth. > > Dennis C. > Touche' 35-1 #83 > Mandeville, LA > > >
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