Siemens NXAIR Operating Instructions Manual page 255

Operating the removable voltage transformers
Fig. 458: Adjusting the height with the bolts
To hook the locking levers in at the panel frame, push the hooking levers on the left and right
side of the service truck downwards.
Fig. 459: Hooking the locking levers
To check whether the service truck is correctly interlocked with the panel, pull the service
truck backwards using the handle.
Fig. 460: Pulling the service truck to check interlocking
✓
The service truck is interlocked with the panel.
NXAIR / ≤ 40 kA
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