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    • Cummins Marine Forum Topics
    • expexted oil Pressure

      This topic has 6 replies, has 5 voices, and was last updated byTony Athens 5 years ago

      October 9, 2017 at 12:19 pm I have twin 6BTA 5.9 Mk3 370 hp diamond series CPL 2208 motors the two oil pressure gauges read vastly different. I presume just a gauge anomaly, but the question what should I expect for oil pressure at 1500 or so RPM? thanks in advance

      Started by: Michael Black in: Cummins Marine Engines

      6 Replies
      September 12, 2018 at 5:27 pm Gauge could have been sticking?? Does it matter? NO.. You are on the high side of the spec. They are many (MOST) that would prefer that than the other way around Tony

      Last Post by: Tony Athens posted: 5 years ago

    • Northern Lights M673 blowing black smoke

      This topic has 3 replies, has 2 voices, and was last updated byMichael Black 6 years ago

      February 11, 2018 at 4:14 pm My 2001 M673 with 550 hrs is blowing a lot of black smoke and it seems the oil level is high…. Not foamy, could it be diesel fuel in the oil? I changed the oil and the problem continued? I changed the fuel filters and impeller with no change in the problem – smells and seems hot? and lots of soot in the water. Never had soot before and not sure if hotter than usual – the high temp switch did not shut it down Could it be a t…

      Started by: Michael Black in: All Other Marine Diesels

      3 Replies
      February 12, 2018 at 1:47 pm Attached are some pictures of the generator…. The last picture is the soot on the water. I ran the generator with the air cleaner out and the top off, no smoke with no load, as soon as I added a load it began to puff black smoke. The filters were crumbling when removed, intact while installed. Let me know what you think. Mike

      Last Post by: Michael Black posted: 6 years ago

    • cooling sea water intake

      This topic has 5 replies, has 3 voices, and was last updated byRob Schepis 6 years ago

      September 30, 2017 at 11:17 am It has come to the time to replace my raw water intake hose – trident 250 2000 2 inch hose, can anyone recommend a different type of hose that is a little easier to work with that is safe? source etc? thanks

      Started by: Michael Black in: General Discussion

      5 Replies
      October 4, 2017 at 8:58 am Bill thanks for that – nothing beats “real” feedback on a product..

      Last Post by: Rob Schepis posted: 6 years ago

    • Aetna Tachs

      This topic has 3 replies, has 2 voices, and was last updated byRob Schepis 6 years ago

      June 4, 2017 at 11:01 am I have a pair of Aetna Tachs on my 6 BTA with hour meters. from Aetna Engineering. The hour meters are badly out of sync – Over 100 hrs. I have never run one motor independently of the other. One runs markedly faster than the other. Certainly an issue with the tachs themselves. I have swapped them out from port engine to starboard and the fast one runs fast no matter. This certainly is a minor issue, lets call it a source of irritatio…

      Started by: Michael Black in: Instrumentation & Electronics

      3 Replies
      June 5, 2017 at 12:23 pm Great tachs, crappy hourmeters, crappy support. 1 outta 3 is not good! Going forward I would opt for non-hourmeter Aetna’s and go with Hobbs Quartz Hour Meters…

      Last Post by: Rob Schepis posted: 6 years ago

    • hose replacement

      This topic has 6 replies, has 3 voices, and was last updated byTony Athens 6 years ago

      June 1, 2017 at 2:28 pm I went to the seaboard site to look at some fuel hoses I need to replace. See attached picture, there is a filter in this picture But on my motor the filter is on the other side. 6BTA 5.9 Mk3 Diamond series 370 hp cpl 2208. So in order to get the right fuel hoses what do I need to order? I think I might need to replace all these fuel delivery hoses. Which ones are pertinent to my motor?

      Started by: Michael Black in: Cummins Marine Engines

      6 Replies
      June 2, 2017 at 6:38 pm 100% yes……………….If you suspect you are having fuel supply issue, nothing better than installing a 0-30 PSI High quality LIQUID filled gauge on that filter to troubleshooting issues…………….Use not less that a 3 ft hose to DAMPEN the readings with a full 360 degree loop ( or more) in the hose.. Tony

      Last Post by: Tony Athens posted: 6 years ago

    • Heat exchanger

      This topic has 3 replies, has 3 voices, and was last updated byRob Schepis 7 years ago

      January 30, 2017 at 11:32 am I have the kit to change my gaskets at the end of the heat exchanger on my CPL 2208 6BTA 5.9 Mk3 370 hp. The diagram attached shows a sequence for the gasket and a round small doughnut that is incorrect. Note 38,39, 40 and 41 referenced in the diagram What is the proper sequence – the metal end cap, rubber gasket, and rubber doughnut?

      Started by: Michael Black in: Cummins Marine Engines

      3 Replies
      January 31, 2017 at 5:37 am That’s correct David

      Last Post by: Rob Schepis posted: 7 years ago

    • Blue Fuel Cooler Hose

      This topic has 2 replies, has 3 voices, and was last updated byRob Schepis 7 years ago

      December 28, 2016 at 2:19 pm so what is the consensus is this Blue Fuel Cooler Hose worth the additional cost?Ā  do they last longer?Ā  anyone using them, happy with them?   http://www.ebay.com/itm/231472651848?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT

      Started by: Michael Black in: Cummins Marine Engines

      2 Replies
      December 29, 2016 at 5:53 am I took those pics that Tony posted. Ā  Oddly enough those 370’s maintained 185 deg F at full load but the owner admitted he had no idea as to any seawater servicing whatsoever…..he simply said “hey if it ain’t broke why fix it.” —- What a shocker……..When I pointed out those hoses his eyes popped out more than the hoses! Ā So I asked him when was the last time he took a ride in his engine room at crui…

      Last Post by: Rob Schepis posted: 7 years ago

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