TM 9-4931-436-14&P
(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 (7) in connectors in PWB A1.
blies (7) from connectors on PWB A1.
(12) Install retainer bar assembly
(9) Disconnect Jl, J2, J3, and J4
(5) on PWB A1. Secure with two flat
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).
to paragraph 6-2 .b).
Carefully remove PWB A1.
aw. Display Module Assembly PWBs
(11) Remove top spacer (11) and
(A4, A5, A6, and A7) Removal (fig. C-2).
bottom spacer (13).
(1) Remove panel assembly (refer
(12) Remove 18 screws (42) securing
to paragraph 6-2 .a).
left side support (15), right side sup-
port (10), top support (12), and bottom
NOTE
support (13).
(13) Remove target window gasket
A dust-free environment must be
(16), window backing (17), I .R. pass
maintained within the display
filter (18), diffusers (61), target
housing (55).
face (60), window front (59), and
target window gasket (16).
(2) Unplug cables from Jl connec-
av.
Window Front Replacement (fig.
tore on display modules (57) A4, A5,
C-2).
A6, or A7, as appropriate.
(1) Install target window gasket
(3) Remove screws (58), flat
(16), window front (59) target face
washers (36), and cable clamps (71)
(60), diffuser (61), I.R. pass filter
(18),_ window backing (17), and target
securing PWB (57) and display FWB
gasket (56) to display housing (55).
window gasket (16).
(4) Remove A4, A5, A6, or A7 as
(2) Apply sealing compound (MIL-S-
8802, CLA-) under screw heads prior to
required.
ax.
Display Module Assembly PWBs
installation.
(3) Apply primer (MIL-S-22473,
A4, A5, A6, and A7 Replacement (fig.
grade T) and locking compound (MIL-S-
22473, grade C) to threads of all
(1) Apply primer (MIL-S-22473,
grade T) and locking compound (MIL-S-
screws.
22473, grade C) to threads of screws
(4) Install top support (12),
bottom support (14), right side sup-
(58).
(2) Install A4, A5, A6, or A7 (57)
port (10), and left side support (15).
Secure with 18 screws (42). Torque to
on display housing (55). Secure with
7-9 in.-lb.
screws (58), flat washers (36), and
(5) Install top spacer (11) and
cable clamps (71). Torque to 50-60
bottom spacer (13).
in.-oz.
(3) Plug cable into connector J1
(6) Install PWB A1 (9) on front
panel (34). Secure with 18 flat washers
on A4, A5, A6, or A7.
(4) Replace panel assembly (refer
(2), cable clamps (70), and 18 screws
(62). Torque to 6-8 in.-lb.
Display Housing Removal (fig.
(7) Connect Jl, J2, J3, and J4 to
ay.
PWB A1.
C-2).
(8) Install column preamp PWB as-
NOTE
semblies (4) in connectors on PWB A1.
(9) Install retainer bar assembly
(3) on FWB A1. Secure with two washers
A dust-free environment must be
(2) and two screws (1). Torque to 6-8
maintained within the display
in.-lb.
housing (55).
6-10
