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Carb dashpot oil loss repair advice please

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    Carb dashpot oil loss repair advice please

    Some months ago I posted about my Stromberg carb dashpots losing their oil - or at least one of them losing it far more quickly than it used to.
    The answers then were to replace the small relevant small o ring.
    I need to get on with this at some point so I would just like to check that I am on the right track.
    Is it the o rings identified as part number 512317 in the attached diagram that I need? https://rimmerbros.com/Item--i-GRID005195
    image_41666.jpg
    The o ring is shown just above the needle on the diagram.
    Also there was talk of a special tool required - is this the adjusting tool RX1222 as listed by Rimmers? https://rimmerbros.com/Item--i-RX1222

    Is the job straightforward or are there any pitfalls to look out for? Also whilst doing this would it be sensible to replace any of the other parts in the attached diagram?

    Thanks in anticipation.
    Rod
    Attached Files
    Last edited by Rod1883; 11 May 2020, 18:04.

    #2
    Yes re o ring, yes re tool (and small screwdriver for grub screw), yes re easy, only if necessary on other parts. See the other strombergs thread and if you have time watch Richards videos as well. Goodnluck
    Paul - 3 projects, 1 breaker - garage built and housing 2 white Stags. One runs, one doesn't

    Comment


      #3
      Thanks for the prompt reply Goldstar.
      Is/are the video(s) easy to find, or does anyone have a link?
      Cheers

      Comment


        #4
        Yes, that's it. Mine also loses oil from one of the dashpots but I've decided to leave as is until I need to do a major service on them.

        If your car is running well with a resonable fuel consumption, then again, I'd leave alone. If you really want to proceed with a full strip/ rebuild, I'd recommend getting the Burlen service kit, either from Rimmers, if they do these, or direct from Burlen. You'll need the tag number (usually fitted under one of the top cover fixing screws) to ensure you get the right spares for your carbs.

        Yes, the adjusting tool you've identified would be useful to retrim the needles if they've not gone back exactly as before, as would a synchrometer to get balance between both carbs, unless you want to do by ear. I think the Tech section has further information on the detail.
        White 1976 build ("Mk2") only a few mods

        Comment


          #5
          Originally posted by StagJonno View Post
          Yes, that's it. Mine also loses oil from one of the dashpots but I've decided to leave as is until I need to do a major service on them.

          If your car is running well with a resonable fuel consumption, then again, I'd leave alone. If you really want to proceed with a full strip/ rebuild, I'd recommend getting the Burlen service kit, either from Rimmers, if they do these, or direct from Burlen. You'll need the tag number (usually fitted under one of the top cover fixing screws) to ensure you get the right spares for your carbs.

          Yes, the adjusting tool you've identified would be useful to retrim the needles if they've not gone back exactly as before, as would a synchrometer to get balance between both carbs, unless you want to do by ear. I think the Tech section has further information on the detail.
          Jonno can the needles go back in without being screwed in using the tool? You have to fully unscrew them to remove

          Rod the videos are here in post 3, the first post is also useful.


          Paul - 3 projects, 1 breaker - garage built and housing 2 white Stags. One runs, one doesn't

          Comment


            #6
            Having searched the forum to see if there is an 'index' of good 'how to' videos, I was wondering if it would be a good idea to have this topic as a kind of


            post 40 video
            "The UK,s 2nd Most Easterly Stag" Quad Exhaust- ZF 4 Speed BOX

            Comment


              #7
              Beware that there are wrong "O" rings out there - probably the old "nearest metric equivalent". Personally I would only by carb bits from Burlen or Peter at LD Parts. These "wrong" ORings will allow the dashpot oil to escape even if they are brand new.

              Drew
              The answer isn't 42, it's 1/137

              Comment


                #8
                Thanks everyone for the advice and links.

                Comment

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