Sailing Zephyr · video

What this video covers

The crew of the 54-horsepower Yanmar 4JH4A engine on the sailboat Zephyr replaces a failing raw water pump to resolve persistent coolant leaks.0:20 After removing the old pump and its associated hoses, they install the new unit, reattach the fittings for the hot water tank, and bleed the cooling system by running the engine in short intervals to purge air pockets.0:32 Following the repair, the crew motors 7 nautical miles from Marsh Harbour to a nearby marina to test the engine under load and monitor for leaks at operating temperature.6:36 While at the marina, they plan to bleach the freshwater plumbing system to eliminate odors and perform general boat maintenance.7:53 To combat high humidity and heat, they install a portable air conditioner and set up a donated ice maker.6:58 The engine repair successfully stops the coolant leaks, and the portable air conditioner effectively lowers the cabin temperature.4:40

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