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Understanding the Primary Reasons for Accumulator Breakdown

When exploring the main causes of accumulator failures, we need to consider multiple aspects, especially from a technical and maintenance perspective. The following is a breakdown and summary of the main causes of accumulator failures:

Unable to maintain pressure:
During the flight operations of the Boeing 737NG aircraft, maintenance personnel often encounter situations where the brake accumulator pressure cannot be maintained. This usually leads to prolonged flight delays or cancellations, which have a significant impact on the operations of airlines.
The reason why the pressure accumulator cannot maintain pressure may be due to wear, damage, or aging of internal seals, resulting in leakage.
Improper maintenance:
Proper maintenance and inspection are crucial for preventing accumulator failures. If regular maintenance and inspections are not carried out according to the manufacturer’s recommendations, it may lead to accumulation of problems and the occurrence of malfunctions.
The experience and skill level of maintenance personnel can also affect the maintenance quality of the accumulator. Experienced maintenance personnel may not be able to detect and solve problems in a timely manner.
Material fatigue and aging:
Long term use of pressure accumulators can lead to material fatigue and aging, especially under high pressure and high-frequency usage. This may cause the accumulator to lose its original performance and even malfunction.
Design and manufacturing defects:
Design and manufacturing defects in the accumulator may also lead to malfunctions. This may be due to improper design, material selection, or manufacturing process issues.
Improper operation:
Improper operation by operators may also lead to accumulator failure. For example, excessive use, improper operating procedures, or negligence may cause damage or excessive wear to the pressure accumulator.
Environmental factors:
Environmental factors such as temperature, humidity, corrosion, and vibration may also have an impact on the performance and lifespan of pressure storage devices. Extreme environmental conditions may lead to faster aging or damage of the accumulator.
To reduce the occurrence of accumulator failures, airlines can take the following measures:

Regularly maintain and inspect the pressure accumulator to ensure it is in good working condition.
Provide training and skill enhancement for maintenance personnel to enhance their ability to identify and solve problems.
Choose pressure storage products with reliable quality and reasonable design to avoid using products with design and manufacturing defects.
Strengthen the training and management of operators to ensure that they use the accumulator according to the correct operating procedures.
Regularly replace and update the pressure accumulator to avoid using excessively worn or aged products.
In summary, the main causes of accumulator failures include inability to maintain pressure, improper maintenance, material fatigue and aging, design and manufacturing defects, improper operation, and environmental factors. By taking appropriate measures and preventive measures, the occurrence of accumulator failures can be effectively reduced, ensuring the normal operation of airlines.

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