In the hydraulic anchor windlass system...

Question 1 / 205eccef9cbacbc34ba4d45ad1

Question 1 of 205eccef9cbacbc34ba4d45ad1

In the hydraulic anchor windlass system illustrated, if the power to the electric motor is on, but the wildcat turns slowly or not at all, even without a load being applied, and nearly normal pressure is indicated on the high side of the system, the probable cause is that the __________. See illustration GS-0160.

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🔍 Key Concepts

• Hydraulic flow paths in the anchor windlass system as shown in GS-0160, especially how the manual transfer valve routes oil either to the recirculating circuit or to the starboard motor/windlass. • Difference between system pressure being indicated as nearly normal and actual flow/torque at the wildcat motor. • The specific roles of components K (replenishing pump), L (pilot‑operated directional control valve and its relief), and E (brake release cylinder) in starting and driving the wildcat with no load.

💭 Think About

• Look at where the pressure gauge for the high side is effectively sensing pressure in this schematic. If that gauge shows nearly normal pressure, what does that tell you about the main pump and relief valve? • If the wildcat turns slowly or not at all with no load, is the more likely problem a lack of pressure, a lack of flow to the motor, or excessive braking? Trace which component could block or misdirect flow while still allowing the gauge to read near normal pressure. • For each answer choice, imagine the hydraulic oil path: from the main pump to the motor, through the valves. In which case would the pump build pressure but the motor receive little or no effective driving flow?

✅ Before You Answer

• Verify which component, if failed, would cause low or zero indicated pressure; eliminate those choices because the question says pressure is nearly normal. • Confirm from the diagram what happens to oil when the manual transfer valve is in each position (to recirculating circuit vs to starboard motor). Would the motor see full flow in both positions? • Check how a stuck brake release cylinder E or a broken replenishing pump K coupling would realistically affect both the pressure reading and the wildcat motion, and whether those match all the symptoms given.

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Question 1 of 20

replenishing pump "K" drive coupling is broken

relief valve controlled by the pilot operated directional control valve "L" is not seating properly

manual transfer valve is in the wrong position for the main pump being operated

pressure from the brake release cylinder "E" has failed to bleed off when the primary valve unit "J" is placed in the operating position

Question 1 / 205eccef9cbacbc34ba4d45ad1

Question 1 of 205eccef9cbacbc34ba4d45ad1

Back

Question 1 of 20

5eccef9cbacbc34ba4d45ad1

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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