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TM 5-4120-287-15
5-17. Checking Refrigerant Charge Level
a. Check the refrigerant liquid sight indicator (para 2-8 c. (1)). If the refrigerant system requires additional charge
bubbles or a milky flow will be present in the refrigerant liquid sight indicator.
b. Operate the air conditioner for approximately 5 minutes. If the bubbles or milky flow in the refrigerant liquid eight
indicator are not eliminated add refrigerant in accordance with paragraph 7-5.
Section IV. REMOVAL AND INSTALLATION OF
MAJOR COMPONENTS
5-18. General
Procedures necessary for the removal and installation of all major units are described and illustrated in this section. The
following major components are discussed:
a. Electrical tray assembly (para 1-3 b)
b. Motor compressor (para 1-3 d)
c. Condenser fan assembly (par 1-3 g)
d. Evaporator blower (para 143 q).
e. Evaporator blower motor (para 1-3 q).
f. Condenser-subcooler assembly (para 1-3 h).
g. Heater assemblies (para 1-3 t).
h. Mist eliminator (para 1-3 u).
i. Evaporator assembly (para 1-3 p).
5-19. Electrical Tray Assembly
a. Removal.
(1) Remove electrical tray access panel assembly (para 3-25a).
(2) Refer to figure 5-1 and remove the electrical tray assembly.
b. Installation.
(1).Refer to figure 5-1 and install electrical tray assembly by performing steps in reverse order.
(2).Inspect and install electrical tray access panel assembly (para 3-25 b and c).
5-20. Motor Compressor
a. Removal.
(1) Remove air conditioner right-side access panel assembly (para 3-29a).
(2) Discharge refrigerant system (para 7-7).
(3) Refer to figure 5-2 and remove the motor compressor.
b. Installation
(1) Refer to figure 5-2 and install the motor compressor by repeating the steps in reverse order.
(2) Charge the refrigerant system (para 7-8 and 7-9).
(3) Install air conditioner right-side access panel (para 3-29 b and c).
5-21. Condenser Fan Assembly
a. Removal. Refer to figure 5-3 and remove the condenser motor fan assembly.
b. Installation. Refer to figure 5-3 and install the condenser motor fan assembly by performing steps in reverse
order.
5-22. Evaporator Blower
a. Removal.
(1) Remove evaporator blower left-side access panel assembly (para 3-24a).
(2). Refer to figure 5-4 and remove the evaporator blower motor.
b. Installation.
(1) Refer to figure 5-4 and install evaporator blower by performing steps in reverse order.
(2) Install evaporator blower left-side access panel assembly (para 3-24 b and c ).
5-23. Evaporator Blower Motor
a. Removal.
(1). Refer to figure 5-5 and remove evaporator blower motor.
b. Installation. Refer to figure 5-5 and install evaporator blower motor by performing steps in reverse order.
5-5
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