INSTALLATION AND PREOPERATIONAL PROCEDURES
Section I. INSTALLATION, CONNECTION, AND TESTING OF INSTALLED EQUIPMENT
(4) Use a device capable of lifting
3,000 pounds to remove the shel-
a. When an AN/MSC-31 is received,
ter from the base of the crate.
uncrate and check it (para 10), and then
Attach the sling assembly to the
lifting eyes on the top corners of
an S-183/MSC-31 (para 7a and 8) is re-
ceived, perform the procedures in (1)
shelter off the base of the crate.
through (4) below.
(5) Remove the base of the crate and
(1) Uncrate and check the equipment
lower the shelter.
b. Checking Shelter Contents. Check
(2) Install the SB-22(*)/PT (para 11).
the contents of the shelter against the
(3) Install the TA-312/PT (para 12).
packing list. If the packing list is not
(4) Test the equipment after installa-
available, use the table of components
b. The signal duct contains all the wir-
probably was packed.
ing required to connect the SB-22(*)/PT ,
11. Installation and Connection
the TA-312/PT, and the LS-147(*)/FI to
the external lines. All wiring is appropri-
a. Remove the front cover of the SB-
ately marked and prepared for connection.
22(*)/PT (TM 11-5805-262-12).
The signal schematic wiring diagram (fig.
b. Remove the headset-handset from
the information given
the front cover and store the cover.
the connection procedures. The power
c. Open the rear cover of the SB-22(*)/
ately marked for each piece of equipment
d. Install four Batteries BA-30 in the
that requires ac power.
battery case and ground the SB-22(*)/PT.
c. The tool
roll kit (fig. 2)
for installation and connection of com-
Note. Connect the SB-22(*)/PT ground lead to
the ground terminal adjacent to the INTERCOM re-
e. Connect the prepared leads from the
to the shelter before using the lights
SB-22(*)/PT cable stub to the SB-22(*)/
PT binding posts according to the chart
10. Uncrating and Checking
a. Uncrating the Shelter (fig. 19).
(1.) Remove the panels of the crate by
removing the bolts. First remove
the front and rear panels; then
remove the top and side panels.
(2) Remove the lag screws that secure
the base of the crate to the shel-
(3) Remove the sling assembly from
its package on the floor of the