Sf6 Circuit Breaker Operating Mechanism Overhaul Project
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1) Check the exterior of the sf6 circuit breaker operating mechanism body and clean the porcelain sleeve.
2) Check the interior of the sf6 circuit breaker spring mechanism tank.
3) Check the SF6 gas system. Calibrate and adjust the SF6 density relay and check for leaks.
4) Check the air system and adjust the relay.
5) Check the lubrication of the operating mechanism and confirm whether the sealing valve and filter of the control valve need to be replaced.
6) Check the components and tighten the terminals.
7) Manual and electric transmission.
8) Switch characteristics and high voltage test.
