Cary,

Peter must be on vacation.

Peter has a video showing how to replace the mainsail furling line on his YouTube channel; s/v Silverheels.

I think this is the part you are talking about, and yes, you will likely have to lower the mast.

While in the video he does not disassemble the unit into parts, you can get a good idea of how it is constructed.

I hope it's ok with Peter, and that the link will embed. If not, he has it labeled as episode #25.

https://youtu.be/MH7hYJnoNpM?si=JCqqVh9bhZBWvEG3

I hope this helps.

Todd T.

On Thu, Sep 4, 2025, 11:36 AM Graham Parker <gramille at tds.net> wrote:

> Thanks Cary,
> G
>
> Sent from my iPhone
>
> > On Sep 4, 2025, at 11:12 AM, Cary Tolbert <retiredtoby at gmail.com> wrote:
> >
> > Graham, I haven't had the entire unit come out. The strangest thing
> that I
> > had with the Starboard material was one of  the doughnut spacers that
> helps
> > hold the furling pole in place,was broken into 3 pieces. I say strange
> > because it really just acts as a spacer with very little stress. General
> > Boats , at the time, would only sell the entire unit and not individual
> > pieces. I just finished replacing all of the parts that make up the
> > universal joint connecting the boom to the mast. The mast needed to be
> > dropped in order to replace all of the parts.  See if a sailor's friends
> > duct tape and zip ties will let you finish the season.
> >
> > Cary
> >
> >> On Thu, Sep 4, 2025 at 10:25 AM Graham Parker <gramille at tds.net> wrote:
> >>
> >> Thanks Lee,
> >> That is what I feared.
> >> Has anyone else had this happen??
> >> Graham
> >>
> >>>> On Sep 4, 2025, at 07:50, Lee Kuhn <lvjkuhn at gmail.com> wrote:
> >>>
> >>> Graham,
> >>>
> >>> Unfortunately it looks like you need to lower the mast.
> >>>
> >>> Lee
> >>> Boatless in Wytheville
> >>>
> >>>> On Thu, Sep 4, 2025, 2:55 AM Graham Parker <gramille at tds.net> wrote:
> >>>
> >>>>
> >>>> There we were, having a lovely autumnal sail on Lake Champlain when
> the
> >>>> black composite  box that slides at the bottom of the mast and
> connects
> >> to
> >>>> the boom, decided to pop out. It was interesting getting the sail back
> >> in
> >>>> the mast but we managed it without too much drama.
> >>>> However, now I have to figure out why the black slider separated from
> >> the
> >>>> mast.
> >>>> Hopefully I do not have to drop the mast to get in there?
> >>>> If there is a diagram of the bottom of the IMF system, that would be
> >> very
> >>>> helpful.
> >>>> Can anyone point me in the right direction? I presume it might be in
> the
> >>>> fabled archives but I am not sure how to access them!
> >>>> Cheers
> >>>> Graham
> >>>> sv ‘00Sailin'
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