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  1. #1

    Raw water pump shaft materials

    I bought a used jabsco raw water pump for a spare off another boater. I took it to a local shop to have it overhauled to keep as a spare. I developed a leak on my port engine last time out. I opened up the overhauled pump to install an impeller and found a brass/ bronze shaft installed in the pump. My original is stainless. Anyone have an opinion on this material? Seems to me brass and salt water don't mix. What say the experts?
    Jim
    Cranston, Rhode Island
    1989 41c Hull# 881

  2. #2

    Re: Raw water pump shaft materials

    Quote Originally Posted by Jim saco View Post
    I bought a used jabsco raw water pump for a spare off another boater. I took it to a local shop to have it overhauled to keep as a spare. I developed a leak on my port engine last time out. I opened up the overhauled pump to install an impeller and found a brass/ bronze shaft installed in the pump. My original is stainless. Anyone have an opinion on this material? Seems to me brass and salt water don't mix. What say the experts?
    Mine were originally brass. Worked fine but I swapped it out when I did a full rebuild. All new is better.
    Scott
    41C117 "Hattatude"
    Port Canaveral Florida.


    Marine Electronics and Electrical Products Distributor.

  3. #3

    Re: Raw water pump shaft materials

    mine are brass so far so good.

  4. Re: Raw water pump shaft materials

    New rebuild kits I have used had SS shaft....My older pumps had bronze.
    Rob Brueckner
    former 1972 48ft YF, 'Lazy Days'
    Boating isn't a matter of life and death: it's more important than that.

  5. #5

    Re: Raw water pump shaft materials

    I had an oyster shell shear a bronze shaft on a DD 671 years back. Was told they used a bronze shaft originally to shear before damaging the drive gear. A stainless shaft will probably last longer.

  6. #6

    Re: Raw water pump shaft materials

    Just rebuilt my Jabsco 6980 . Has a bronze shaft. It looked fine. I can document it being at least 10 years old, probably twice that.
    Fred
    31 Tiara Open
    "Escalation"

  7. #7

    Re: Raw water pump shaft materials

    Thanks gentlemen for putting my mind at ease.
    Jim
    Cranston, Rhode Island
    1989 41c Hull# 881

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