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Impeller Change Interval

Discussion in 'Technical Discussion' started by CaboFly, Mar 5, 2019.

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  1. Capt Ralph, Apr 23, 2019
    #41
    Capt Ralph

    Capt Ralph Senior Member

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    Think that was the plan. reach in, loosen the wing nuts (not remove) slide cover off the pump, switch impellers, slide cover back on and tighten wing nuts.
    If O rings are properly greased; they should stay in place.
  2. Capt Ralph, Apr 23, 2019
    #42
    Capt Ralph

    Capt Ralph Senior Member

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    Ouch, I remember this model. Strange looking water pump. Yep, below the governor. You can follow the water hose to it.
  3. Norseman, Apr 23, 2019
    #43
    Norseman

    Norseman Senior Member

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    Shoehorned in.
    Not enough space to slide the impeller out, the entire water pump has to be removed.
    Wish it was not so..:confused:
  4. Capt Ralph, Apr 23, 2019
    #44
    Capt Ralph

    Capt Ralph Senior Member

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    Gota ask, was that a thought when you purchased that boat?
  5. Beau, Apr 23, 2019
    #45
    Beau

    Beau Senior Member

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    Indeed, it
    The set is not always a big problem since centrifugal force helps spread the blades a bit
    looks like a spring start up rip, or a solid. That's why I asked if there are racors or a basket on the intakes
  6. Capt Ralph, Apr 23, 2019
    #46
    Capt Ralph

    Capt Ralph Senior Member

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    Good clear Perko strainer. Hose new with gen set. About two years old. Previous impellers on this set went to pieces early also.
    1) Its a long 3/4" run. Maybe increasing hose size could help. Plentey of water coming out.
    2) Or picking up air near a strake.

    I'll be back on board this fall to look these ideas over.
  7. leeky, Apr 23, 2019
    #47
    leeky

    leeky Senior Member

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    It sounds like you're talking about the Speedseal impeller cover. Their website says that they are having to close their business "due to continued illness."
  8. Capt Ralph, Apr 23, 2019
    #48
    Capt Ralph

    Capt Ralph Senior Member

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    Rats. That's them. Sorry to hear the bad news. Maybe somebody can buy up the company and bring the product back.
  9. Norseman, Apr 23, 2019
    #49
    Norseman

    Norseman Senior Member

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    Yes Dear.
    I looked at accessibility before I purchased the tub, and it looked ok, but you won’t know until you actually do something, water pump, impeller, zincs, whatever.
    The Albin 28TE comes in 2 versions, flush deck, or engine box: The most accessible is the engine box, my version.
    Everything is doable, but not easy. Probably the same with every boat made by mankind....o_O
  10. Beau, Apr 23, 2019
    #50
    Beau

    Beau Senior Member

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    What was easy to get to 20 years ago, ain't so now - my aching back. I thought nothing of being upside down back then with a plier and a screw driver. Today I need the correct tools, time , patience and a comfortable position. If it take me 3 hours to do what I did in a hour years ago, so what. Enjoy the voyage, I say.
  11. Pascal, Apr 23, 2019
    #51
    Pascal

    Pascal Senior Member

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    I never understood the point of those speedseal. Today one of the Ohnos 27.5 was a little louder than usual. It took me 1 minute to pop the 3 bolts on the cover. Impeller looked brand new (only 300 hours so it went back in) no need for some fancy cover screws
  12. Beau, Apr 23, 2019
    #52
    Beau

    Beau Senior Member

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    Yes it helps reduce the work by 3 seconds. But that's the nature of our current lives?? I have about 10 nuts, but so what! My Westebeke genny has 4 screws and take about 5 minutes to open and look in and refasten. Right in the front and fully accessible.
  13. alvareza, Dec 28, 2019
    #53
    alvareza

    alvareza Senior Member

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    Do impellers bought as spares have a shelf life by which you need to install or throw them out?
  14. Capt J, Dec 28, 2019
    #54
    Capt J

    Capt J Senior Member

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    Yes, it depends on how they're stored. But lets say in a climate controlled area, probably 10 years......maybe less. They're rubber/nitrile etc. so eventually they will dry rot, get hard, etc.
  15. Oscarvan, Dec 28, 2019
    #55
    Oscarvan

    Oscarvan Senior Member

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    Vacuum bagging helps.
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