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Recent content by Chuck McC

  1. C

    Yanmar oil Q

    The Yanmar 4PHM & 4PHM-TE Heat Exchanger is a 2 pass design with Anti Freeze Coolant on the outside of a bronze tube bundle and raw sea water on the inside. Each is isolated by rubber O Rings on the 2 end caps which contain 2 zincs each. I upgraded my 2 rubber O Rings to Nitrile. The oil cooler...
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    Yanmar 4 PHM-TE/4 PHE

    I have been running twin Yanmar 4PHM-TE’s for 30 years in my 1985 CHB with 4,000 hrs on them now. The Raw Water Heat Exchanger has 4 Zincs, 2 on each end, PN 27210-200370. The Raw Water Oil Cooler 2 Zincs PN 27210-200300. Raw Water enters the HE from the raw water pump with impeller and exits...
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