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6B Coolant Plumbing and Flow Questions
This topic has 3 replies, has 2 voices, and was last updated by
1 year ago May 14, 2022 at 8:42 am Hello, I am in the planning stage of installing new SMX Coolant Temperature Alarms on my 370B twins (CPL2208). I have read thru all of Tony’s tips and also my O&M manual, but need a few clarifications as I plumb in my new hi-temp coolant switches. My Port side is no problem – My Stbd side with existing hot water heater plumbing is a bit more challenging. I read thru the excellent Redundant Alarms article. My questions relate to t…
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in: Cummins Marine Engines
3 RepliesMay 15, 2022 at 6:28 am Yes,Ā the BYPASSĀ you are searching for is controlled internally thruĀ the thermostat housing & thermostat design on all B engines. This design came out it in the late 70’s and very early 80’s when the “B” series engine came off the drawing board and was put into production as an industrial engine and has really not changed since. Must be pushing 10++ millions engine later?Last Post by:
posted: 1 year ago
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Aluminum Black Metal Finish
This topic has 1 reply, has 2 voices, and was last updated by
2 years ago March 7, 2022 at 3:09 pm Hello, I’m in the process of redoing my Raw Water side on the Cummins 6BTA-M3 (370) engines. I have removed my Aftercooler core, which had been pre-assembled with some black sticky stuff, which made it difficult to remove. After several hours of banging I got the core out, and saw some minor corrosion inside the aluminum housing. Tubes were clear, and no major corrosion at the core ends.Ā I usedĀ 150/200 grit emery cloth to sand the corros…
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in: Cummins Marine Engines
1 ReplyMarch 7, 2022 at 6:11 pm Aftercooler housing ends–Block sand to be sure they are 100% flat– Do not worry about removing too much material. Housing inside–Do nothing but clean them.. Follow my protocol for assemblyĀ Ā Ā The BLACK STUFF is called anĀ “E-Coat”.. does notĀ matter if it comes off in placesLast Post by:
posted: 2 years ago
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Raw Water Maintenance
This topic has 4 replies, has 4 voices, and was last updated by
2 years ago January 18, 2022 at 7:59 am I have been reviewing all the videos in preparation for a complete maintenance of the raw water side of my twin 6BTA-370 engines, including the replacement of R/W Pumps with SMX 1730’s, New Gear Coolers, Combo block /Fuel Cooler removal,Ā and After-cooler/Heat Exchanger maintenance.Ā A couple of questions that I couldn’t find on the forum: 1).Ā After-cooler Maintenance Video – What are the twin bolt specifications that were use…
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in: Cummins Marine Engines
4 RepliesJanuary 19, 2022 at 7:05 pm The turbo/exhaust flange bolts are 8MM, I’m thinking those aftercooler mount bolts are larger, so could by the 10MM’s….Last Post by:
posted: 2 years ago
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6B Coolant Plumbing and Flow Questions