Inspection. - TM-5-4120-356-140143

TM 5-4120-356-14

(d) Check the condenser coil and the dehydrator for leaks in accordance with the procedures given in

paragraph 4-4c. Repair any leaks found in accordance with paragraph 4-4d.

(e) Refer to figure 4-4 and evacuate the refrigerant system.

(f) Refer to figure 4- 10 and charge the system with refrigerant.

(g) Install the condenser fan (paragraph 3-15b).

m. Evaporator Coil.

(1) Inspection.

(a) Turn the selector switch to the "OFF" position and disconnect the air conditioner from the electri-

cal power source.

(b) Inspect the evaporator coil for damage or defects which would impair serviceability.

Repair any leaks found in accordance with paragraph 4-4d.

(d) Check evaporator output by comparing the dry bulb temperatures of air entering and leaving the

evaporator; the temperature difference should be 18-22F across the evaporator.

(2) Replace. Replace the evaporator coil if evidence is found of defects or damage which would impair

serviceability or if unrepairable leaks or damage is found. Refer to steps (3) and (4) for removal and installa-

tion of evaporator coil.

(3) Removal.

(a) Refer to figure 4-2 and release refrigerant from the system

(b) Refer to figure 3-27 and remove heater elements HRl, HR2 and HR3 to gain access to the evapora-

tor coil.

(4) Installation.

(a) Refer to figure 4-21 and install the evaporator coil.

(b) Perform any further maintenance of refrigerant components which may be required.

(d) Refer to paragraph 4-4c and check the evaporator coil and dehydrator for refrigerant leaks. If any

leaks are found, repair them in accordance with the procedure given in paragraph 4-4d.

(e) Refer to figure 4-4 and evacuate the refrigerant system.