TB 9-2320-302-13&P-3
A/C SYSTEM MAINTENANCE - CONTINUED
0015 00
CHARGING - CONTINUED
NOTE
Keep high-side valve closed on manifold gauge set while charging the A/C system.
8.
Slowly open low-side valve (2) on manifold gauge set (1).
9.
Continue charging until bubbles disappear from receiver/dryer sight glass and high-side/low-side pressures are within
acceptable range.
10.
Close refrigerant tank valve (11) on R-134a refrigerant tank (12).
11.
Close low-side valve (2) on manifold gauge set (1).
12.
Shut off engine (TM 9-2320-363-10).
13.
Disconnect charging hose (6) from R-134a refrigerant tank valve (11).
14.
Disconnect manifold gauge set (1) from A/C compressor.
15.
Operate A/C system to verify correct operation (WP 0004 00).
HIGH
LOW
SIDE
SIDE
2
1
11
6
VAPOR
R-134a
LIQUID
TO CHARGE PORTS
12
437-202
0015 00-8