TM 9-1240-382-34
3-2 FINAL INSPECTION - Continued
LOCATION
ITEM
REMARKS
ACTION
INSPECTION-Continued
NOTE
Connect the elbow assembly at
Daylight Body Assembly and
Periscope
Elbow
contact point (12) to a 24 volt
Elbow
Assembly
can
be
Assembly
power source by placing negative
inspected either mounted in the
wire to elbow latch and positive
Head Assembly or removed from
wire to contact (12). Cover the
the Head Assembly. Removal
entrance window (13) with a dark
instructions are on page 2-5.
cloth allowing only a small
amount of light in. Move the
shutter switch (5) to the ON
position. Rotate the RETICLE
switch (8) and TUBE SWITCH (7)
Elbow Assembly (1)
UNTIL THE RETICLE APPEARS.
Ring (2)
(See CAUTION in remarks
Scale (3)
column).
Viewing through a
Ring (4)
dioptometer (p 1-3, rotate the
Shuttle Control
diopter ring (2) to bring the reticle
Switch (5)
of the face of the image
Eyepiece(6)12
intensifier tube into best focus.
Tube Control
The diopter scale (3) should
Switch (7)
index at zero within plus or minus
Control
1/4 diopter. If scale is not within
Reticle Control
1/4 diopter return to depot for
Switch (8)
repair.
Elevation Boresight
Knob(9)
Rotate the TUBE switch (7)
Defection Boresight
clockwise throughout its range
Knob(10)
from LO to HI while observing the
Emergency Power
image through eyepiece (6) of the
Receptacle (11)
elbow assembly (1) . Be sure that
Contact Point (12)
the light level increases and
CAUTION
Entrance Window (13)
decreases as the TUBE control
Do not leave The RETICLE
switch (7) is turned clockwise and
switch at a high setting or the
counterclockwise
and
counterclockwise, respectively. If
image intensifier tube will be
light level fails to perform refer to
damaged.
3-2
