ARMY TM 5-6675-308-34
MARINE CORPS TM 08837A-34/2
Legend for Figure 4-14
20.
Flexible harness assembly
1. Washer
21.
Fault indicator DS1
2. Screw
22.
Lockwasher
3. Computer cover
23.
Nut
4. CDU mount bracket
24.
Terminal lug
5. Catch strike
25.
Elapsed time indicator M1
6. Screw
26.
Spacer
7. Solid state memory unit A1
27.
Screw
7.1 Core memory unit A1
28.
A/D converter circuit card assembly A11
8. Screw
29.
I/O discrete circuit card assembly A9
9 . Wedgelock
30.
Platform I/O circuit card assembly A8
10. Computer subassembly
31.
I/O controller circuit card assembly A7
1 1 . Washer
32.
Data buffer circuit card assembly A6
12. Screw
33.
Control no. 3 circuit card assembly A5
13. Air deflector
34.
Control no. 2 circuit card assembly A4
14. Screw
35.
Control no. 1 circuit card assembly A3
1 5 . Washer
36.
16-bit data circuit card assembly A2
16. Guide pin
37.
RFI gasket
17. Captive screw assembly
38.
Thermostatic switch S1
18. Computer power supply
19. RFI gasket
sparks. Avoid prolonged or repeated inha-
P r e p a r e and solder tagged wires to
2.
lation of vapors.
elapsed time indicator M1 (25). Clean
solder joints.
Clean thermostatic switch S1 (38) threads
1.
and engaging threads in chassis using iso-
3.
Place computer cover (3) on computer
propyl alcohol. Use clean lint-free cloth
subassembly (10); align mounting holes.
to apply alcohol and to wipe parts.
Torque 16 screws (2) and washers (1)
4.
Apply sealing compound (MIL-S-22473,
2.
securing computer cover (3) to computer
G r a d e H) to threads of thermostatic
subassembly (10) 16 inch-pounds using
switch S1 (38).
procedures described in paragraph 3-11.
Install thermostatic switch S1 (38) by
3.
(3) Thermostatic switch S1. Remove and replace
screwing into threaded mounting hole in
thermostatic switch S1 (38, figure 4-14) as follows:
chassis.
(a) Removal.
Prepare and solder tagged wires to ther-
4.
mostatic switch S1 (38). Clean solder
mostatic switch S1 (38).
joints.
2. Remove thermostatic switch S1 (38) by
(4) Computer flexible harness assembly repair.
unscrewing from chassis.
Damaged printed circuitry on the computer flexible
harness assembly (20, figure 4-14) shall be repaired by
(b) Replacement.
splicing with haywires. Repair flexible harness assembly
(20) as follows:
(a) Remove 16 screws (2) and washers (1) secur-
ing computer cover (3) to computer subas-
sembly (10). Remove computer cover.
Isopropyl alcohol is flammable and gives
(b) Remove circuit card assemblies (28 thru 36).
off harmful vapors. Use only in well-ven-
(c) Remove memory unit (7 or 7.1).
tilated area away from open flames and
4-133
Change 1
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