Motor Plants & Auxiliary Boilers USCG Question #740 (Set 16)

Before any auxiliary diesel engine hydraulic starting system is opened for servicing or repair, you must __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — bleed off all hydraulic pressure from the system

Accumulated high-pressure hydraulic fluid poses severe injection and personal injury hazards. Per standard marine safety protocols and 46 CFR guidelines, maintenance personnel must completely bleed off and isolate all stored hydraulic pressure before opening any auxiliary starting system components.

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