Siemens NXAIR Operating Instructions Manual page 291

Take the slip-on lever by the main handle (4) with the vertical latching rod (2) pointing
downwards.
Turn to the left side in the switching-device compartment. Insert the rollers (1) of the slip-on
lever into the guide groove (7) of the shutter mechanism.
7
Fig. 535: Inserting the slip-on lever in the guide groove
Push the slip-on lever into the guide groove as far as it will go.
Fig. 536: Pushing the slip-on lever into the guide groove to end position
Push the main handle downwards as far as it will go. The shutter opens.
To hook in the slip-on lever to the shutter mechanism, engage the latching rod (2). To do so,
hold the latching rod by the handle (3) and move it in a semi-circular way as shown.
The slip-on lever is in stable position and the shutter stays open.
Fig. 537: Pushing the main handle downwards
110-0134.9 / 14
to end position
NXAIR / ≤ 40 kA
Operating the shutters
Fig. 538: Engaging the latching rod
1
2
3
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