TM 11-6130-392-34
fasten with screws (5) and washers (6 and 7). Go to
(2) Perform an operational check of battery
paragraph (6).
charger in accordance with section V.
(3) Position each standoff (13) on display cir-
(3) Install retainer on chassis and fasten with
c u i t assembly (11). Fasten with screws (8) and
screws.
washers (9 and 10).
(4) Install cover on chassis and fasten with
( 4 ) Connect connector P1 to J1 on display
screws and washers.
assembly.
3-16. Timing Circuit Assembly (A12)
(5) Position display assembly on chassis and
fasten with screws (5) and washers (6 and 7).
Removal and installation of timing circuit assembly
(6) Perform an operational check of battery
(fig. 3-9) is as follows:
a. Removal.
charger in accordance with section V.
(7) Install cover (3) on chassis and fasten with
(1) Remove screws (1) and washers (2) holding
screws (1) and washers (2).
cover (3) to chassis (4). Remove cover from chassis.
(2) Remove screws (5) holding retainer (6) to
3-18. Power Cable (W1)
chassis. Remove retainer.
Removal and installation of power cable (fig. 3-11) is
(3) Carefully pull timing circuit assembly from
as follows:
connector.
a. Removal.
b. Installation.
Remove screws (1) and washers (2) holding
(1) Push replacement timing circuit assembly
cover (3) to chassis (4). Remove cover from chassis.
into connector.
(2) Remove screws (5) and nuts (6) holding
(2) Perform an operational check of battery
bracket (7) to chassis.
charger in accordance with section V.
( 3 ) Remove nuts (8) holding filters (9) to
(3) Install retainer on chassis and fasten with
bracket. Let nuts rest on top of filters.
screws.
(4) Carefully move bracket away from chassis
(4) Install cover on chassis and fasten with
to gain access to filters.
screws and washers.
(5) Tag and unsolder lead of power cable (10)
3-17. Display Circuit Assembly (A13)
from filters and grounding terminal (13).
(6) Pull power cable and strain relief (11) from
Removal and installation of display circuit assembly
chassis.
or individual display modules in the assembly (fig.
b. Installation.
3-10) are as follows:
(1) Route leads of replacement power cable
a. Removal.
(10) through hole in chassis. Be sure that groove in
(1) Remove screws (1) and washers (2) holding
strain relief (11) firmly mates with hole.
cover (3) to chassis (4). Remove cover from chassis.
(2) Install 115/230 VAC bands (12) over black
(2) Remove screws (5) and washers (6 and 7)
and white leads of power cable.
holding display circuit assembly (11) to chassis.
(3) Install heat shrinkable insulation sleeving
NOTE
(M23053/5-105-2 per MIL-I-23053) over black and
If an individual module is to be replaced, go
white leads of power cable.
to paragraph (3). If the complete display
(4) Using tagged leads of removed power cable
circuit assembly is to be replaced, go to
as a guide, solder black and white leads of replace-
paragraph (5).
ment power cable to filters (9).
(5) Slide heat shrinkable insulation sleeving
(3) Carefully move display circuit assembly
over soldered connections.
away from chassis to gain access to individual dis-
(6) Using heat gun, heat shrink sleeving on
play modules U1, U2, and U3 (12, view A).
soldered connections.
(4) Carefully pull defective module from dis-
(7) Solder green lead of power cable to ground
play circuit assembly. Go to paragraph b (1).
terminal (13).
(5) Carefully move display circuit assembly
(8) Position filters in mounting holes of bracket
away from chassis and disconnect connector P1 from
(7) and fasten with nuts (8).
J1.
(9) Position bracket on chassis and fasten with
(6) Remove screws (8), washers (9 and 10) and
screws (5) and nuts (6).
standoffs (13) from assembly. Go to paragraph b (3).
(10) Perform an operational check of battery
b. Installation.
charger in accordance with section V.
(1) Push replacement display module (U1, U2
(11) Install cover (3) on chassis (4) and fasten
or U3) in display circuit assembly (11).
with screws (1) and washers (2).
(2) Position display assembly on chassis (4) and
3-18
