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    • QSB6.7 HE and AC Maintenance

      This topic has 7 replies, has 4 voices, and was last updated byChris Dahl 7 years ago

      December 12, 2016 at 9:38 am QSB6.7 480HP-TurnedĀ 3 years/600 hours on my engine just before hauling for winter and thought might as well hit the cooling system for a checkup. The aftercooler weeped a few drips per hour from factory so it was pulled apart and greased up early on, nothing done to the HE. Notes below on findings: -AC came right apart, could push the core out with a couple thumbs, couple feathers, small eel grass, and a few evergreen needles piled up, not bad. …

      Started by: Chris Dahl in: Cummins Marine Engines

      7 Replies
      December 15, 2016 at 9:36 am 10-4, have a Buck Alonquin screen unit coming for the hull side. I’ll keep the inside of the boat just as is, I like the Vetus for ease of dockwater engine flushing. Hopefully get the HE and AC greased and back together this weekend.

      Last Post by: Chris Dahl posted: 7 years ago

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