Optex ViiK Exposed Type OVS-02GT Series Installation Instructions Manual page 16

6-2
[1] Loosen the screws on the top and bottom covers, and remove the covers.
* Do not loosen the screws completely. The screws may fall out.
If a screw is lost, use an M3 × 6 Philips screw.
[2] Detach the sensor unit by lifting it.
NOTE
Use a hard sharp object such as a driver to break the knockout.
If it is difficult to remove the debris, use pliers, etc.
The rubber cap is difficult
to reattach if it is detached
completely.
Flip it to take out the screw.
-16-
Top cover
Bottom
cover