CAAS SAR-66 Module 7 Maintenance Practices Practice Questions - CAAS SAR-66 Basic Knowledge Examination - Module 7 Maintenance Practices (Singapore) Exam

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When working on aircraft high-pressure hydraulic or pneumatic systems, what safety precaution must be taken before loosening any line or component?

Apply maximum system hydraulic pressure to check for minor leaks first Ensure all system fluid and gas pressure is completely depressurized and accumulators are bled Loosen the B-nut rapidly while wearing cloth gloves to catch fluid spray Disconnect electrical power from the aircraft without bleeding mechanical accumulators

Correct Answer:

Ensure all system fluid and gas pressure is completely depressurized and accumulators are bled

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