How would you prevent the rudder from moving...

How would you prevent the rudder from moving...

Question 1 of 2707066636eee28f7522a1c51ee0e

How would you prevent the rudder from moving while a repair is made on the steering system using the illustrated actuator? Illustration GS-0116

Question 1 of 27070

Q

How would you prevent the rudder from moving while a repair is made on the steering system using the illustrated actuator? Illustration GS-0116

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🔍 Key Concepts

• Mechanical vs. hydraulic locking of a rudder stock during maintenance • The specific function of item J and how it interacts with the actuator body • Whether items H, I, and S are designed to transmit torque or simply guide/retain components

💭 Think About

• Look closely at which component, if moved or tightened, would create a positive mechanical stop on the rudder stock, independent of hydraulic pressure. • Ask yourself: if the hydraulic system were to lose pressure or a valve leaked, which of these choices would still absolutely prevent the rudder from moving? • Consider the location of each labeled item in relation to the rudder stock: which one clearly engages a recess or groove in the stock to physically block rotation?

✅ Before You Answer

• Verify which item makes direct contact with the rudder stock to block its movement, not just fluid flow. • Confirm whether locking the supply/return lines or screws in item S would stop all motion if there were internal leakage. • Identify the labeled part that is clearly designed as a locking pin or mechanical securing device rather than an adjustment or guide feature.