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Page Title: Checking Refrigerant Charge Level
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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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