What kind of engine is a Cummins aftercooler?
What kind of engine is a Cummins aftercooler?
Cummins Aftercoolers – OUCH! Earlier this year, I finally got around to servicing the aftercoolers on our 490 which has Cummins 330BTA engines.
What causes moisture in the aftercooler on a Cummins Marine?
The moisture comes from condensation (fresh water) and not from leakage (unless there is a problem). WE start by removing the complete aftercooler from the engine and putting it a vise. Keep the cooler horizontal.
What kind of engine is a Cummins 490?
Earlier this year, I finally got around to servicing the aftercoolers on our 490 which has Cummins 330BTA engines. We have owned this boat for over 2 years now, and while I have always been diligent in carrying out maintenance, servicing the aftercoolers was one of those projects that was easy to postpone – this was a big mistake.
Why did I remove the after cooler from my Cummins diesel?
After noticing some peeling white paint dust beneath the after cooler on the port side I decided to remove it for service. Good thing we did because the housing was so deteriorated that it welded to the core. The entire thing had to be replaced. Prior to this, I had no engine trouble, no alarms, no alerts.
How to remove aftercooler from Cummins Marine engine?
WE start by removing the complete aftercooler from the engine and putting it a vise. Keep the cooler horizontal. Leaving the brackets on the cooler makes for a much easier place to hold it. Index both end caps BEFORE removal as this way you don’t have to figure out later how they orientate.
What causes condensation in a Cummins aftercooler cooler?
The moisture comes from condensation (fresh water) and not from leakage (unless there is a problem). WE start by removing the complete aftercooler from the engine and putting it a vise. Keep the cooler horizontal. Leaving the brackets on the cooler makes for a much easier place to hold it.
What do you do with an aftercooler cooler?
Look at the pics again, and coat the first inch of each end of the cooler housing along with the flat end. Coat each end of the core and coat the inside beveled edge of the caps and flat surface. Lube the caps screws and the NEW “O” rings. Don’t use old O-rings as they become flat. Aftercooler O-Rings
Which is the best aftercooler to use on a boat?
The stuff is a smooth white-ish green grease but weighs about twice as much as regular greases, and is the best product I’ve found for assembling aluminum to stainless, brass alloys that come in contact w/ aluminum, and threaded stainless or steel bolts used on a boat. Most truck type stores carry the product in S. Calif.
