🔍 Key Concepts

• Hydraulic anchor windlass operation – what happens inside the hydraulic motor and lines when it is actually run • Difference between preventive maintenance checks (levels, filters, strainers, testing fluid) and exercising the machinery • Why moving parts in hydraulic systems need circulation of oil to lubricate internal components

💭 Think About

• Which option will actually cause hydraulic oil to move through the motor, valves, and lines, coating internal parts with oil? • Which choices are inspections or tests only, and do not move or exercise the machinery itself? • If the unit has been idle, what specific action will verify it still operates while also spreading lubricant internally?

✅ Before You Answer

• Identify which choice involves running the windlass, not just looking at or testing the fluid or components • Eliminate any answers that are only visual checks or lab tests with no motion of internal parts • Ask: which maintenance action would your chief mate want done on all deck machinery that sits idle, to keep seals, bearings, and internal surfaces lubricated?