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EH700 175hp raw water impeller replacement...Kashiyama pump-gctid818703

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    EH700 175hp raw water impeller replacement...Kashiyama pump-gctid818703

    My impellers were last changed 4 years and 530 hours ago. (BTW, the old impeller still looked great)

    I have always hired a mechanic to do the replacement for me. This time I thought I would do the job myself. So, this morning I went to the boat and replaced the starboard impeller without too much problem. On my 3870 access to the starboard pump is easy.....but when I now look at the Port pump., if I lay between the engine and batteries I can reach in to the pump with one hand...I'm not sure I can do it myself.

    Those of you who do this on your own....what suggestions do you have, how do you manage to do it?

    Thanks for your suggestions
    Allan
    1986 - 3870
    175 Hinos
    Moored in Ladysmith BC

    #2
    Our resident expert, Earl "The Bayliner Guru", suggested, when I asked, that I lay between the motors and loosen the bolts underneath then you can lift the pump to a place you can get at it.....or so he said. I haven't tried it yet. Some here have said they remove the hose connections to get the pump to an even easier place to take apart.
    P/C Pete
    Edmonds Yacht Club (Commodore 1993)
    1988 3818 "GLAUBEN”
    Hino EH700 175 Onan MDKD Genset
    MMSI 367770440

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      #3
      I lay on top of the port motor from between the engines and reach under the mount with a wrench to loosen the 4 mounting bolts. I then loosen the tension on the belt and remove it. I then remove completely the 4 mounting bolts and lift the pump out and take it to my workbench to overhaul.

      James
      1989 Bayliner 3888, 175 Hinos,
      Hurth 630's Onan 8kw MDKD
      Lowrance Electronics!
      Boating on Georgian Bay & the North Channel
      Completed the Great Loop 07/25/19
      AGLCA #8340
      MTOA# 7469

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        #4
        I have the same problem....I remove the 4 bolts,tension bolt, also the 2 bolts that are on the metal elbow (exit of raw water) ,leaving main ( long section) of raw water hose attached the one from sea strainer then you swing it over between the engines for repair ......Good luck Brad
        Brad & Sharon
        Lady Jake
        1985 4550 EH 700TI /Twin Disc 502
        LaConner,Wa. (summer)
        2003 Scout CC 24' W/225 Yamaha
        kailua Kona,Hi (Winter)

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          #5
          Dang it...in the fall, I'm going to give a serious look at fabricating some sort of bracket that will raise the seawater pump a couple of inches so we can change our impellers without having to disassemble the whole darned thing! This should be a 15 minute per engine task, rather than a whole day of gruntin', sweatin', and cussin'! :P

          Cheers,

          Dave

          Comment


            #6
            EH700 raw water pump, impellers, how to change, and tips....

            http://www.baylinerownersclub.org/in...ps-bad-bad-bad
            Northport NY

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