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Thread: D333 fuel transfer/lift pump

  1. #1
    Join Date
    Aug 2013
    Location
    Australia
    Posts
    8

    Default D333 fuel transfer/lift pump

    Hi Guys
    Probably been through this one 1000 times before so might be an easy one hopefully. Unfortunately no manuals were supplied with the unit when we bought it so here I am.
    D333 23C698 4.75" bore powered generator. Works beautiful, took it up to 90-95% load going perfect clean exhaust too. Anyway noticed the drain tube originating from the fuel pump was dripping/running diesel so I guess it's time to pull something apart, i'm guessing going to need to replace some seals possibly?
    See drain tube in question:
    d3331.jpg
    d333.jpg

    Thanks

    Regards

  2. #2
    Join Date
    Nov 2006
    Location
    Corralitos, Ca.
    Posts
    15,322

    Default

    Yes, leaking from the seal cavity between the two 4S7756 seals and you will also need a 7S2374 gasket. Plus a few more...
    Attached Images Attached Images
    Last edited by Old Magnet; 03-27-2020 at 01:11 PM.

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