TM 9-4120-408-14
4-26. CONTROL MODULE SINGLE ROW TERMINAL BOARD MAINTENANCE. (Continued)
a. Remove.
(1) Remove bus connector (Figure 4-20, 1) from single row terminal board (2).
(2) Remove two nuts (3), screws (4), single row terminal board (2), and terminal board marker strip (5).
b. Inspect.
(1)
Inspect bus connector (1) for cracks, bends, burns, or damage.
(2)
Inspect single row terminal board (2) for cracks, damage, and broken, dirty, or missing contacts.
(3)
Inspect terminal board marker strip (5) for damage or missing numbers.
(4)
Inspect all mounting hardware for damage.
(5)
Replace all damaged or defective components.
c. Install.
(1) Position terminal board marker strip (5) and single row terminal board (4)in control module housing (6) and
secure with two screws (4) and nuts (3).
(2) Position bus connector (1) on single row terminal board (2).
(3) Follow on maintenance:
(a) Refer to paragraph 4-25 and connect or install control module resistor assemblies, diode assembly, and
electrical lead assemblies as required.
(b) Refer to paragraph 4-24 and connect control module wiring harness electrical leads as required.
4-27. CONTROL MODULE HOUSING MAINTENANCE
This task covers:
Remove
Install
Repair
INITIAL SETUP:
Tools
Equipment Conditions (Continued)
Tool Kit, Service Refrigeration Unit,
LED Assemblies removed, paragraph 4-22.
Thermostat removed, paragraph 4-23.
Rivnut Installation Tool, Appendix B,
Section III, Item 6
Control Module Wiring Harnesses
removed, paragraph 4-24.
Material/Parts
Bus Connectors and Single Row Terminal
Refer to TM 9-4120-408-24P for part
Boards removed, paragraph 4-26.
numbers of items to be replaced.
General Safety Instructions
Equipment Conditions
Do not work on equipment without
Air Conditioner shut down,
following standard shop safety
procedures.
Mode Selector Switch removed,
4-45
