
200mm
1
5
0
m
m
Draw the screw hole on the fixed hole with a pencil.
3.
Remove the device, and use an electric drill to drill holes according to the marks, the
depth of the hole is better than the length of the screw. Clean up the fragments and dust
after drilling, then place the device on the installation site again. Check whether the
drilled holes correspond to the mark on the device.
4.
9
②
①