In the hydraulic anchor windlass system...

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Question 1 of 205eccef9cbacbc34ba4d45ad2

In the hydraulic anchor windlass system illustrated, if the power to the electric motor is on, but the wildcat does not turn, and pressure can not be developed on either side of the system, the probable cause is the __________. See illustration GS-0160.

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🔍 Key Concepts

• Trace the flow path from the main pump to the wildcat motor in the diagram, including the manual transfer valve and any return/recirculating lines. • Think about what condition would cause no pressure on either side of the system, even though the electric motor (and thus the pump) is running. • Compare the function of a relief valve, a replenishing/charge pump, and the manual transfer valve in a hydraulic system.

💭 Think About

• If the pump is turning but you see zero pressure on both sides, where might the fluid be going instead of to the motor? Look for any path that lets fluid return freely to the sump or recirculate. • Which component in the diagram can completely isolate the operating pump from the wildcat motor, depending on its position? • For each answer choice, ask: would this fault affect only pressure level, or would it also affect flow direction/connection between pump and motor?

✅ Before You Answer

• Identify on the illustration where the manual transfer valve sends flow in each position (to recirculating circuit vs. to motor). • Check whether a stuck-open relief valve would truly give no pressure anywhere, or just prevent it from rising above a set value. • Consider whether a broken replenishing pump coupling would stop the main pump from building any pressure at all, or mainly affect system make-up/charge pressure.

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