Motor Plants & Auxiliary Boilers USCG Question #630 (Set 14)

When inspecting the valve mechanism shown in the illustration, normal maintenance would include __________. Illustration MO-0074

USCG Exam Illustration MO-0074
USCG Examination Diagram: Illustration MO-0074
Official USCG Answer & Rule Citation

Correct Answer: Option D — measuring the cold valve clearance between components "C" and "D"

Valve mechanism inspection and routine maintenance on marine diesel engines require measuring the cold valve clearance accurately with feeler gauges between the designated valve stem tip and rocker arm interface.

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