L-3 Communications 3261607 Thermal-Eye 250D, Instruction Manual

Page: 36 / 46

36
Installation of Optional Lens Assembly (cont’d)
6.
Install four black 2–56 X .25
″
socket–head screws
provided using a 5/64 ″ Allen wrench and torque
screws to 4 in-lb.
7. To mount the lens assembly, orient the lens
assembly such that the alignment dot on the lens
housing and the groove on the bayonet male leg
line up with the dot on the camera body. Insert
the lens assembly into lens mount assembly and
turn clockwise until the lens assembly locks in
place (approximately 30
°
). To remove, press the
release button on the lens mount assembly and
turn the lens assembly counterclockwise
(approximately 30
°
)
and remove from camera
body.