TM 9-2320-363-34-1
2.
REMOVE INSULATING TAPE FROM EACH HOSE CONNECTION.
NOTE
Do not disconnect or connect refrigerant fittings using only one wrench. Hold one fitting in
place using a wrench, and turn the other fitting with a second wrench.
3.
DISCONNECT EACH END OF HOSE CONNECTION.
CAUTION
Water and dirt can damage the refrigerant system. Five minutes of
not being capped is the limit for any hose or component. Do not blow
shop air through the refrigerant hoses; shop air is wet (humid).
4.
CAP EACH OPENING WHERE HOSE WAS DISCONNECTED.
5.
DISCARD PREFORMED PACKINGS (1).
1.
2.
3.
4.
5.
6.
7.
INSTALL NEW PREFORMED PACKINGS
(1) AND LUBRICATE THEM WITH
REFRIGERANT OIL.
APPLY LOCTITE TO MALE FITTING
THREADS (2) AND CONNECT EACH
END OF HOSE.
TORQUE CONNECTIONS (Table D-3,
Appendix D).
APPLY INSULATING TAPE AT EACH HOSE CONNECTION.
WRAP REMAINDER OF HOSE WITH STRIP CAULK.
NOTE
Any time air conditioning system refrigerant is evacuated, replace receiver-drier.
REPLACE RECEIVER-DRIER (page 11.1-14).
SERVICE AIR CONDITIONER COMPRESSOR (page 11.1-23).
8.
WARNING
Refrigerant R-134a air conditioning systems should not be pressure
tested or leak tested with compressed air. Combustible mixtures of
air and R-134a may form, resulting in fire or explosion, which could
cause personal injury.
CHARGE SYSTEM WITH REFRIGERANT (page 11.1-2). LEAK TEST AIR CONDITIONING
SYSTEM (TM 9-2320-363-20).
Change 1 11.1-19
