Removal. - TM-5-4120-339-140106

TM 5-4120-339-14

Repair. If the quench valve is leaking refrigerant, refer to figure 4-14 and repair the quench valve.

d. Replace. If damage or defects are found which would impair serviceability and is not repairable, replace the

quench valve. Refer to paragraphs e and f for removal of defective quench valve and the installation of a new valve.

e. Removal.

(1) Turn the selector switch to the "OFF" position and disconnect the air conditioner from the electrical power

source.

(2) Refer to figure 3-13 and partially remove the junction box.

(3) Refer to figure 3-4 and remove the evaporator fan.

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

(5) Refer to figure 4-12 and 4-14 and remove the quench valve.

Installation.

(1) Refer to figure 4-12 and 4-14 and install the quench valve.

(2) Perform any further maintenance of refrigeration components required.

(3) If no further maintenance of refrigeration components is required, refer to paragraph 4-8 and purge the

refrigerant system.

(4) Refer to paragraph 4-4c and check the quench valve and the dehydrator for refrigerant leaks. Refer to

paragraph 4-4d and repair any leaks found.

(5) Refer to paragraph 4-4 and evacuate the refrigerant system.

(6) Refer to paragraph 4-10 and charge the system with refrigerant.

(7) Refer to figure 3-4 and install the evaporator fan.

(8) Refer to figure 3-13 and install the junction box.

(9) Re-perform inspection procedure (paragraph a) for quench valve to check for refrigerant leaks.

4-17.

LIQUID LINE SOLENOID VALVE AND PRESSURE EQUALIZER SOLENOID VALVE.

a. General. Inspection and testing of the solenoid valves is accomplished at organizational level (refer to

b. Removal. (See figure 4-15.)

NOTE

Remove the liquid line solenoid valve and/or the pressure equalizer solenoid valve

only for repair or replacement.

4-32