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Old 10-30-2019, 09:03 PM   #1
City: Hampton, va
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Vessel Name: Didi Mau
Vessel Model: 2003 Ocean Alexander 456
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Sherwood 1730 pump replacement

Getting ready to swap pumps. Do the water input and output fittings require a gasket? What stops them from leaking? And is there a gasket/seal where it bolts to the engine?


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Old 10-30-2019, 10:27 PM   #2
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Inlet/outlet flanges have o-rings. Pump base to timing gear housing has a gasket. All can be re-used if in good shape, but best to go new.

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Old 10-31-2019, 11:24 AM   #3
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That particular pump has a poor reputation based on the quality of its internal components. What engine is it on? If a Cummins there is likely a compelling alternative available from Seaboard in California
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Old 10-31-2019, 05:44 PM   #4
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+! on the alternative from Seaboard. Also no need for a key with the impeller and the impeller comes with a removal tool.
Nanaimo, BC
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Old 10-31-2019, 08:23 PM   #5
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If you are leaving the hoses on the in/out fittings, pay particular attention in keeping the o rings in place while you snug things up. The hoses tend to hold them askew sometimes, if the o ring gets pinched it will look ok but leak.
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