TM 9-4120-403-14
j Continue running the pump for one more hour while observing the gage. If the gage needle moves back and
forth, you have a leak which must be located and corrected first.
k Close both unit service valves.
l Close charging manifold valves.
m Stop vacuum pump.
n Disconnect pump from hose connection.
5-12. CHARGING THE REFRIGERANT SYSTEM
This task covers:
a. Service
INITIAL SETUP
Tools
General Safety Information
Tool Kit, Refrigeration
Materials/Parts
Refrigerant-22
Refrigerant Oil
Lockwasher
Flare Gasket
Equipment Conditions:
5-25