Sailing NV · video

What this video covers

A 25-year-old Spectra water maker on the vessel NV fails to produce fresh water while cruising in Vanuatu.5:59 Troubleshooting reveals the system’s Clark pump, which uses high pressure to achieve reverse osmosis, is leaking internally.7:37 The owner disassembles the unit and identifies corrosion and pitting on the internal cylinder surface, which prevents the piston rod from maintaining the necessary 800 psi seal.13:06 After cleaning the reversing spool, replacing O-rings, and reassembling the pump, the system initially fails to operate.16:17 The crew discovers a missing piston end component during the reassembly process.16:30 Once the part is correctly installed, the water maker resumes production at 55 to 60 liters per hour, eliminating the need for the crew to travel to Port Vila for water.16:59

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