Siemens NXAIR Operating Instructions Manual page 82

Operating the circuit-breaker panel
If required, adjust the height of the guide rails at the service truck with the two setting
wheels.
Fig. 132: Setting wheels on service truck
Check the position of the left and right unlocking levers at the service truck. Check whether
the service truck is correctly interlocked with the panel by pulling it backwards.
Fig. 133: Service truck interlocked with the panel
To release the interlocking of the withdrawable circuit-breaker with the service truck, turn the
two locking levers at the withdrawable circuit-breaker to the outside.
Fig. 134: Releasing the interlocking of the withdrawable circuit-breaker
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