The Marlon thru hulls should be fine indefinitely. Attempting to replace them is just asking for trouble. Leave well enough alone.
Now greasing the Marlon through hulls? That's a completely different story. The manufacturer recommends grease every 6 months. I do mine every time the boat is out of the water...once a year. Vaseline is fine. You'll need and inside guy and an outside guy. Cycle, grease, cycle, grease.... Unless you plan to step and unstep the mast regularly, I would take the time now to inspect the mast step and torque the keel bolts. This is also a good time to inspect the mast collar for leaks and tighten/reseal the fasteners if necessary. My mast ground wire was undersized and in deplorable condition. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Mon, Aug 17, 2020, 09:27 Stephen Thorne via CnC-List < cnc-list@cnc-list.com> wrote: > > We are planning to splash our 1990 C&C 34+ fall and need wisdom/advise > from the group. DejaVu has been on her trailer with mast down for the past > 5 years and we haven’t given her any attention. I am looking for comments > & advise on “what maintenance” we should compete prior to putting her back > in the water. Things that I am planning to do include; > > Fairing keel/hull joint > Hull was scraped down to fiberglass prior to trailer layup. So bottom job > for shur - barrier coat hull prior to bottom job??? > Inspect all rigging and masthead points & test lights/VHF antenna > Max prop maintenance > Replace exhaust elbow > Polish diesel fuel - possible remove fuel entirely, install access ports > and “scrub fuel tank on inside”?? > Change all filters & impeller > Thru Hulls - these are all original 30 year old Marlon. Is it time to > replace these?? > > Any help & advise is appreciated. Other things we have missed? > > Stephen Thorne > Deja Vu’ C&C 34+ > Lake Lanier > 770.722.2848 > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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