Maintain your Seawater Pumps
July 25, 2018
Our troubleshooting guru, Steve Zimmerman, takes us through how to properly maintain your raw water pumps.
Our troubleshooting guru, Steve Zimmerman, takes us through how to properly maintain your raw water pumps.
Not long ago I received the following note from a reader; it echoes questions I’ve been asked on this subject literally hundreds of times, and
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The submersible pump was definitely submerged. The 50-foot hose, hanging over the bow, was spewing water like a firehose. Looking down on me, a local
The belts that drive your engines accessories, which often include the raw-water pump, circulator pump, and alternator, will typically provide reliable trouble-free service, provided they are properly maintained and replaced when approaching the end of their useful lives. Many cruisers neglect this all-too-important component until disaster strikes. Once the belt breaks, all of these vital systems grind to a haltliterally. The raw-water pump stops pumping sea water, the circulator pump stops circulating coolant, and the alternator no longer produces electricity. While you may not immediately notice the loss of an alternator, rest assured, you will quickly become aware of the loss of sea water and coolant as the temperature gauge climbs into the red and the overheat alarm sounds. (Your engine is equipped with operating versions of both of these instruments, right?)
Theres no way around the fact that the more you cruise, the more time you put on your engine. Look at boat listings and youll
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