TM 5-2420-230-24-1
Do not open high side valve on manifold gauge set while charging the A/C system.
(10) Slowly open valve (3) on manifold gauge set (1).
(11) Continue charging until bubbles disappear from receiver-drier sight glass (Table 19-2) and high side/low side
(12) Close refrigerant tank valve (11) on R-134a refrigerant tank (12).
(13) Close valve (3) on manifold gauge set (1).
(15) Disconnect charging hose (6) from R-134a refrigerant tank valve (11).
(16) Disconnect manifold gauge set (1) from A/C compressor.
e. Follow-On Maintenance.
(1)
(2)
(3)
(4)
END OF TASK
19-9