"L" fittings?

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  • Mahoneymik
    Senior Member
    • Feb 2014
    • 27

    "L" fittings?

    I just replaced my old Oberdorfer water pump with a new MM pump and it seems to be working perfectly. Thank you MM!
    My question is... When I scavenged the "L fittings" that attach to the water hoses from the old pump and screwed them into the new pump and screwed them in, they didn't end up in the same placement as the old ones and in the direction of the hoses. For instance, when tightened, the intake hose might be 180 degrees from where the fitting is pointed.
    So I loosened the fitting a little so that it would point in the direction of the hose. I ran the engine for about ten minutes and there was no leaking.
    I'm wondering though, is that the proper procedure? And if not, how do I get those fittings tightened and pointing in the right direction, or is there something I can put on the threads to keep them from leaking?
    Thanks in advance,
    Michael
  • hanleyclifford
    Afourian MVP
    • Mar 2010
    • 6990

    #2
    Since those are tapered pipe fittings it can be challenging to make the barbs face right where you want them with the torque that seems correct. Sometimes using pipe dope gives you a little more leeway in using less torque. But if it doesn't leak, you did right.

    Comment

    • jstaff
      Senior Member
      • Oct 2004
      • 64

      #3
      A few wraps of Teflon tape will help you to have the fittings good and snug, and pointing in the directions you prefer...

      Comment

      • edwardc
        Afourian MVP
        • Aug 2009
        • 2491

        #4
        +1 on the teflon tape. I use at least 3 turns of tape.
        @(^.^)@ Ed
        1977 Pearson P-323 "Dolce Vita"
        with rebuilt Atomic-4

        sigpic

        Comment

        • Mahoneymik
          Senior Member
          • Feb 2014
          • 27

          #5
          Originally posted by jstaff View Post
          A few wraps of Teflon tape will help you to have the fittings good and snug, and pointing in the directions you prefer...

          Perfect! That's exactly what I needed to hear. Thank you!

          Comment

          • Trés 30
            Senior Member
            • May 2014
            • 109

            #6
            I also need to rebuild a pump or two

            Hi all,

            Long time since I've been here, life and things had put my boating on hold. Can't say I didn't miss y'all

            I'm rebuilding the water pump since I've been getting a bit of oil out of the lower weep hole, indicative of a bad seal I believe. Upon removing the pump I also saw some oil on the mating surfaces of the pump and the drive.

            I'm wondering why, even in rebuilds it seems, the fitting out from the pump is the squared (bored?) fitting, when the cast fittings provide better flow, such as on the manifold where cast fittings are preferred.

            Any harm or benefit in replacing that with a cast fitting?

            Thanks much,
            Leon

            Comment

            • hanleyclifford
              Afourian MVP
              • Mar 2010
              • 6990

              #7
              There is always a benefit in using cast, especially street fittings in any application on the boat.

              Comment

              • Trés 30
                Senior Member
                • May 2014
                • 109

                #8
                great!

                cast fittings it is

                Comment

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