TM 9-4120-402-14
5-17. CHARGING THE REFRIGERANT SYSTEM. -continued
(11) Open charge valve. Allow liquid refrigerant to enter system until drum weight has decreased by
3.4 pounds (1.5 kg) or until system pressure has equalized.
(12) Close charge and pressure gauge valves.
NOTE
If 3.4 pounds (1.5 kg) full charge was obtained, skip steps (13) through (23).
Figure 5-10. Refrigerant Charging (Partial System/Small Quantity Charge)
(13) Connect power at power source.
(14) Turn air conditioner on and operate in COOL mode with potentiometer TEMPERATURE control set at
maximum COOL position.
5-49
