Sf6 Circuit Breaker Operating Mechanism: Potential Negative Consequences Of Cleaning With Gasoline

During maintenance of sf6 circuit breaker operating mechanism, it is sometimes considered to clean the mechanical operating mechanism, but using gasoline to clean sf6 circuit breaker spring mechanism may have some adverse effects.

The potential consequences of using gasoline to clean mechanical operating mechanisms (including metal components, springs, copper and aluminum parts, etc.) are as follows:

• Gasoline residue may remain on metal surfaces or in internal gaps of the mechanism, affecting sealing performance or lubrication after subsequent installation. Residue on metal surfaces may lead to uneven lubrication or lubrication failure due to improper contact with subsequent grease.

• If gasoline does not evaporate completely, volatile organic compounds may remain in enclosed spaces or after sealing, posing health and safety hazards to maintenance personnel and the surrounding environment.

• For components in contact with SF6 gas or seals, if gasoline seeps into the seals or their contact surfaces, it can damage the structure and performance of the sealing material, increasing the risk of leakage. According to maintenance specifications, once seals are removed, they should be replaced with new ones and should not be cleaned with gasoline.

• If there are small insulating or non-metallic components in the operating mechanism, gasoline may cause deterioration or deformation of these components, thereby affecting the closing/opening performance and reliability of the circuit breaker.