Figure 5-26. Pressure testing and evacuating the refrigerant system. (Sheet 2 of 3)

STEP 2. CONNECT HOSE FROM REFRIGERANT CHARGING HOOKUP LOOSELY

TO SUCTION TUBE SERVICE VALVE. OPEN REFRIGERANT DRUM

SHUTOFF VALVE SLIGHTLY TO PURGE HOSE. TIGHTEN CONNECTION

AT SERVICE VALVE. OPEN SHUTOFF VALVE AND OPEN SUCTION

SERVICE VALVE.

NOTE: REFRIGERANT DRUM MUST BE IN UPRIGHT POSITION TO ALLOW

ONLY GASEOUS REFRIGERANT TO ENTER SYSTEM.

STEP 3. CLOSE THE DRUM SHUTOFF VALVE WHEN THE DISCHARGE PRESSURE

GAGE REACHES 10 PSIG. CLOSE SUCTION SERVICE VALVE AND

DISCONNECT HOSE FROM VALVE.

Figure 5-26-Continued. (Sheet 2 of 3)

AGO 20053A