Operating the removable voltage transformers
139-2021.9 / 07 NXAIR M 119
To hook the locking levers in at the panel frame, push the locking levers on the left and right
side of the service truck downwards.
Fig. 195: 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. 196: Pulling the service truck back to check interlocking
The service truck is interlocked with the panel.
Inserting the removable voltage transformers in the panel
To undo the interlocking between the removable voltage transformers and the service truck,
push the lever to the left and hold it.
Fig. 197: Pushing the lever to unlock
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