Cummins Marine Diesel Repower Specialists › Forums › General Discussion › Geat Cooler Dezincification

  • Creator
    Topic
  • March 7, 2023 at 1:37 pm #143955

    Walter Schwab
    Participant
    Vessel Name: Blue Moon
    Engines: Cummins 6BTA-370
    Location: Cape Canaveral
    Country: United States

    In in the process of cleaning and testing the gear oil cooler on my 2002 Cummins 6BTA 5.9 370 engine. The cooler in the picture may be from SBMAR but I don’t know.

    What are the consequences of dezincification in a gear cooler?

    How can I tell if dezincification has occurred?

  • Creator
    Topic
Viewing 2 replies - 1 through 2 (of 2 total)
  • Author
    Replies
  • March 9, 2023 at 1:51 pm #144135

    Walter Schwab
    Participant
    Vessel Name: Blue Moon
    Engines: Cummins 6BTA-370
    Location: Cape Canaveral
    Country: United States

    Yes there are zincs.

    Sorry for the confusion… There is a place for two zincs. In the picture there is a modified zinc plug holding a shrader valve and the other one has a pressure testing port.

    March 7, 2023 at 7:17 pm #143986

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    Testing an gear oil cooler

    Do you have a leak at 100-125 PSI?

    It’s yes or no — Nothing in-beween.   Exaclty why it leaks does not matter. 

    It does not look like a cooler we supplied as it has no provisions for zincs.

  • Author
    Replies
Viewing 2 replies - 1 through 2 (of 2 total)

You must be logged in to reply to this topic.