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Old 05-09-2017, 04:41 PM   #6
tadhana's Avatar
City: New England and Canada to Florida
Country: USA EAST
Vessel Name: Tadhana
Vessel Model: Helmsman 38 Pilothouse
Join Date: Jul 2011
Posts: 573
The cummins aftercooler service, which is not the heat exchanger service, is quite important. It should be done every season. IF you decide to do your own, be very carefull. Also be sure to pressure test that after cooler after you reassemble. If you pinch an O ring or otherwise get a leak, you will be mixing salt water with the engine combustion air. That gets real ugly really quickly. My boatyard was a Cumins service enter and I had Cummins trained technicians.
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