What is the function of component "13" shown in the illustration? Illustration MO-0122
Official USCG Answer & Rule Citation
Correct Answer: Option B — The device delivers the oil for piston cooling, in addition to liner lubrication.
Component '13' delivers targeted lubricating and cooling oil directly to the underside of the piston crown and internal skirt, simultaneously providing supplementary lubrication for the surrounding cylinder liner walls.
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