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Liberty2  gets a birthday - Part 2 Proactive Maintenance



Leopard 45 Yanmar 4JH45 & SD60 Saildrive Rebuild: Proactive Maintenance, Additions & Repairs

Yanmar 4jh45 Diesel Engine removed at 3000hrs

Yanmar 4JH45 Common Rail Engine: Proactive Maintenance = Reliability

...we found cracking in a number of rubber tubes, several sensors nearing their life, and even blade crimps that had signs of corrosion.

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MMS (Marine Mechanical Solutions) Boatworks Yanmar specialist completed all upgrades, huge thanks to Rob and the team.

Yanmar SD60 Saildrive Corrosion

Maintaining Yanmar SD60 Saildrives for Long-Term Reliability

...a reverse saildrive configuration, where the saildrive is positioned forward of the engine with the propeller facing aft, the upper housing is often out of sight and easily overlooked due to the confined engine bay.

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MMS (Marine Mechanical Solutions) completed this work for us.

Yacht Engine Bay Electrical Panel

Engine Bay Electrical Refits for Reliability and Safety

Although these systems are generally compliant with marine standards, they are not always practical to service once the yacht is complete.

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Sig-Tech Electrical, repositioned all electrical for us.

Saloon Window Maintenance and Refits in Boatworks, Coomera

Five of the six saloon windows required reseating, which was not entirely unexpected given that they were among the yacht’s largest window panels. In addition, both forward-facing hatches were found to be leaking and heavily corroded, with visible water run marks present on the front windows both internally and externally.

One of the key advantages of the Leopard design is the forward access door, which provides excellent natural ventilation throughout the saloon. With this in mind, the decision was made to replace the forward window panels entirely and remove the smaller opening hatches altogether—a solution that was comparable in cost to replacing the two corroded hatches alone.

Inspection during the refit suggested the original window bond failure was possibly caused by inadequate surface preparation during construction. The painted bonding surfaces remained glossy and showed little evidence of proper abrasion or etching, which would have reduced adhesive performance. Over time, prolonged UV exposure and heat degrade the original bonding compound, believed to have been Sikaflex, further contributing to bond separation and water ingress.

The replacement and resealing process was completed using Sikaflex 295 UV, requiring a substantial amount of adhesive across the large window panels. Despite the complexity of the job, the work was carried out with impressive efficiency and attention to detail. Once installed, the windows were carefully braced and left to cure for a full seven days before the supports were removed and final finishing work completed.
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The project was undertaken by Snick As, who managed the installation professionally despite challenging conditions that included high humidity and frequent rain. Allowing the bracing to remain in place for the full curing period ensured a high-quality result. Credit goes to Steve and his team for an excellent outcome.

Sailboat WeberQ and Composite gas bottles

Weber Q BBQ with Stainless Frame & Composite Bottles

...two failed barbecues, we reverted to a reliable solution. Although the Weber BabyQ does occasionally experience flame blow-out,..

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Choice Stainless supplied and installed all stainless work. Thank you Geoff and team.

Biocop Antifoul Application after 15 months

Sea Hawk Biocop Antifoul Review

For 12 months, the vessel remained unscrubbed below the waterline, aside from a quick dinghy pass around the waterline about four...

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Complete Antifoul Solutions was again selected to complete this task. Their flexible timing and assistance, all part of their service, thank you Mahn...again.

Snick As was our shipwright who located challenges discussed here, thank you Steve.

Catamaran Liquor Cabinet

Leopard 45 gets a new Liquor/drinks cabinet

Unused space has been opened to up to useful space with two glass doors and standard bottle storage for 32 bottles.

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Proactive Maintenance, readying for next offshore season

Mirror faces (on all 6 vanity doors)

Why is it that over time mirror faces erode around the edges?

This is primarily because the protective backing is broken at the edges, allowing moisture, oxygen, and cleaning chemicals to react with and destroy the reflective metal coating. This phenomenon is a form of oxidation (rusting) that starts at the perimeter and gradually creeps inward, leaving behind discoloured spots or clear glass.

All our mirrors were replaced.

Vanity Door Hinges

After a huge search, we finally located the exact brand and type of hinge in our local hardware. Made by BLUM (Austria), the concealed hinges were the 95° blind corner type. Just a pity they don't come in stainless steel.

Gratitude

A huge THANK YOU to our SUBSCRIBERS of our YouTube Channel and for allowing us to get to a wider audience.

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