TB-9-2320-279-13-1

TECHNICAL BULLETIN; AIR CONDITIONING SYSTEM

OPERATOR’S, UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LISTS

DECEMBER 2005

TB-9-2320-279-13-1 - Page 439 of 524

TB 9-2320-279-13-1

0052-47

NOTE

Perform Step 14 if charge did not enter system.

14.

Position bulk container (13) in upright position and open low-side hand valve (15) to draw vapor into

system.

Leave low-side hand valve (15) open until correct weight of refrigerant has entered system.

Close low-side hand valve (15).

NOTE

If refrigerant is slow to enter system because of low outside temperatures, vaporization may be quickened

by placing refrigerant in tub of warm water.

Temperature should not exceed 125

°

F (52

°

C).

15.

Disconnect hose (10).

16.

Start engine (TM 9-2320-279-10).

17.

Open high side and low-side hand valves (14) and (15) to recover refrigerant from lines.

18.

Check for leaks.

19.

Check operation of air conditioning system.

20.

Shut OFF engine (TM 9-2320-279-10).