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    • Cummins Marine Forum Topics
    • QSB5.9 shows intermittant fuel pump fault

      This topic has 8 replies, has 6 voices, and was last updated byDavid Hays 6 years ago

      July 18, 2017 at 5:05 pm 44′ Tollycraft. We removed the original BTA5.9 M2 engines and replaced with two QSB5.9 380 HO, ZF gears, and Smartcraft instruments. We reused the ZF/Mathers controls and added a 7″ display on the flybridge and two 4″ displays at the lower station. The alternators are now controlled by Balmar regulators, with the stbd engine charging the 1150 cca start battery and the port alternator charging the house bank. The port engine fu…

      Started by: Ian C in: Cummins Marine Engines

      8 Replies
      July 24, 2017 at 10:49 am Unless you have already eliminated this as a potential problem, I would recommend trying to disconect the Balmar controller on the alternator to see if that makes the problem go away.

      Last Post by: David Hays posted: 6 years ago

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