Remove the O-ring from A, inspect for any damage and lightly coat it with the
provided lubricant. Clean the O-ring groove before placing it back.
Verify that the threaded section of B and sealing surface are clean and free
from foreign material.
Align the external threaded section of A and the internal threaded section of
B.
Attach A on B by holding the housing firmly and turning A clockwise until it
cannot go in any further.
Engage the gear by pushing the knob inwards, then turn the knob both ways
to check if the lens zoom in and out.
To un-mount the port, reverse the above steps.
A
B
