TM9-4120-401-14
FRESH AIR DAMPER AND ACTUATOR. - continued
5-7.
(22) Put damper (7) in center position and tighten screw (1).
(23) Check actuator plate (19) for smooth operation.
NOTE
FOLLOW-ON MAINTENANCE:
Install compressor (para 5-33).
Install mist eliminator (para 4-20).
Install supply air buver (para 4-19).
Install return air buver (para4-18).
Connect power at power source.
5-8. LOGIC BOX ASSEMBLY (LGC1).
Test
This task covers:
INITIAL SETUP
Equipmenr Conditions:
TOOIs
Refrigeration Unit Service Tool Kit
Appendix B, item 1
Logic Box Test Fixture
Use disconnect switch (NOT POWER
Appendix B, item 12
CABLE) to disconnect power to unit.
Damage to cable connector pins will
Materials/Parts
result if cable is used.
Logic Box Assembly
Disconnect power from power source,
Remove logic box assembly (para 4-32).
Test.
NOTE
If a complete test fixture is unavailable, see appendix F, figure F-48 for a
schematic and parts list to fabricate one.
(1) if a complete test fixture is being used, connect it to a standard convenience outlet and be sure the
POWER switch is in the OFF position. (See figure 5-2.) if a test fixture was fabricated per schematic
(appendix F, figure F-48), connect the power supply to appropriate power source and adjust output to
120.5 volts dc. Be sure it is turned off and connected to the test fixture where indicated.
5-12
