TM
9-4931-436-14&P
(11) Install row preamp PWB assem-
(2) Apply sealing compound (MIL-S-
blies (7) in connectors on PWB A1.
8802, CLA-) under screw heads prior to
(12) Install retainer bar assembly
installation.
(5) on PWB A1. Secure with two flat
(3) Apply primer (MIL-S-22473,
washers (2) and two screws (1). Torque
grade T) and locking compound (MIL-S-
to 6-8 in.-lb.
22473, grade C) to threads of all
(13) Replace panel assembly (refer
screws.
(4) Install top support (12),
as. Target Face Removal (fig. C-2).
bottom support (14), right side sup-
(1) Remove panel assembly (refer
port (15), and Left side support (10).
Secure with 18 screws (42). Torque to
(2) Remove two screws (1) and two
7-9 in.-lb.
flat washers (2) securing retainer bar
(5) Install top spacer (11) and
assembly (3) to PWB A1 (9).
bottom spacer (13).
(3) Carefully fold retainer bar
(6) Install PWB A1 (9) on front
assembly (3) back ensuring that cables
panel (34). Secure with 18 flat washers
secured to top of retaining bar are not
(2), cable clamps (70), and 18 screws
damaged.
(62). Torque to 6-8 in.-lb.
(4) Remove column preamp PWB as-
(7) Connect Jl, J2, J3, and J4 to
semblies (4) from connectors on PWB A1.
PWB Al.
(5) Remove two screws (1) and two
(8) Install column preamp PWB as-
flat washers (2) securing retainer bar
semblies (4) in connectors on PWB Al.
assembly (5) to PWB A1.
(9) Install retainer bar assembly
(6) Carefully fold back retaining
(3) on PWB A1 (9). Secure with two
bar assembly (5). Ensure that cables
flat washers (2) and two screws (1).
secured to top of retaining bar are not
Torque to 6-8 in.-lb.
damaged.
(10) Install AGC PWB (6) in connec-
(7) Remove AGC PWB assembly (6)
tor on PWB A1.
from connector on PWB A1.
(11) Install row preamp PWB assem-
(8) Remove row preamp PWB assem-
blies (4) in connectors in PWB A1.
blies (7) from connectors on PWB A1.
(12) Install retainer bar assembly
(5) on PWB A1. Secure with two flat
(9) Disconnect J1, J2, J3, and J4
from PWB A1.
washers (2) and two screws (1). Torque
(10) Remove 18 screws (62), cable
to 6-8 in.-lb.
clamps (70), and 18 flat washers (2)
(13) Replace panel assembly (refer
securing PWB AL to front panel (34).
Carefully remove PWB A1.
au. Window Front Removal (fig. C-1).
(11) Remove top spacer (11) and
(1) Remove panel assembly (refer to
bottom spacer (12).
(12) Remove 18 screws (42) securing
(2) Remove two screws (1) and two
left side support (10), right side sup-
flat washers (2) securing retainer bar
port (15), top support (12), and bottom
assembly (3) to PWB A1 (9).
Support (13).
(3) Carefully fold retainer bar as-
(13) Remove target window gasket
sembly back ensuring that cables secured
(l6), window backing (17), I.R. pass
to top of retaining bar are not damaged.
filter (18), diffusers (61), and target
(4) Remove column preamp PWB assem-
face (60).
bly (4) from connectors on PWB A1.
at. Target Face Replacement (fig.
(5) Remove two screws (1) and two
flat washers (2) securing retainer bar
(1) Install target face (60),
assembly (5) to PWB A1.
(6) Carefully fold back retaining
diffusers (61), I.R. pass filter (18),
bar assembly (5). Ensure that cables
window backing (17), and target window
gasket (16) on top of window front
secured to top of retaining bar are not
damaged.
(59).
6-9
