Air Circuit Services
- •
- • Rack in/ Rack out mechanism checks
- • Complete mechanism cleaning through CRC
- • Lubrication to be done on mechanism
- • Door shutterInterlock checking
- • Healthiness of ARCH CHUTE check.
- • Mechanical Closing /Tripping / spring charging Checks
- • Electrical Closing / Tripping / Spring Charging Checks
- • Control wire check and tightening.
- • Cleaning of main contact.
- • Carbon test main contact
- • Indication circuit check.
- • Potential free contact if any check.
- • Cleaning of breaker.
- • Using petroleum gel on main contacts for smooth operation
- • E/F Relay through primary / secondary injection ensuring the tripping of ACB
• All associated Skeleton panels and cubicles to be serviced.

