Siemens NXAirS Manual page 28

NXAirS Withdrawable Metal-enclosed Switchgear, Rated Voltage Up to 12kV
Operation of NXAirS
2. Take VCB out of the panel
(1) Open the front door.
(2) Pull out secondary plug and place it on the front door.
(3) Lock poles at both sides of service truck can match with location holes on guide rail through the lifting mechanism,
so that lock poles can be inserted into location holes smoothly.
(4) When service truck contacts with the panel completely, interlock mechanism will move back automatically, interlock
shaft extends into the guide rail. Rotate handles of lock poles at both sides inward and lock the service truck.
(5) Unlock the interlock handle of VCB, push VCB into the rail of service truck and lock it in the interlock hole.
(6) Support to service truck is adjusted upwards slightly through the lifting mechanism.
(7) Move outward the handles of lock poles at the both sides, then the service truck can be moved away from the front
of the panel.
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