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Published on: 8/6/2008
Last Visited: 8/6/2008
But, according to Dick Murray, president of Murray Marine Services in West Palm Beach, Florida, "By the time a new impeller is needed, a pump is often so worn that an impeller isn't the only part you'll need."Considering the importance of propulsion, Murray recommends a complete spare pump.While that sounds like an intimidating emergency repair, from his experience servicing boats of all shapes and sizes since 1972, Murray says it is often easier to change an entire pump than just an impeller, particularly once the pump has failed and gotten hot.
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Murray sees this often with household brass fittings purchased at home stores, which often contain higher percentages of copper in their alloy, making them softer.
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"You have to disconnect the plumbing and physically pour a quart or two of water into the pump," Murray says.Sometimes this process has to be repeated a few times.
Since shallow-well pumps are AC-powered, most boats have a backup DC pressure water system, so a spare may not be necessary.And for either type of freshwater system, in a pinch look for an equivalent saltwater wash-down pump that can be pressed into service.What about the boat owner who isn't mechanically inclined?"You can almost always find someone to make a repair," Murray says.
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