6
TM 5-2420-231-23-3
FIELD MAINTENANCE
-
A/C SYSTEM SERVICE
0364
Leak Test, Recovery, Evacuation, Charging, A/C System Performance
INITIAL SETUP
Materials/Parts
References
Oil, Lubricating, Refrigerant Compressor
0
0
(WP 0375, Item 23)
Equipment Conditions
Rag, Wiping (WP 0375, Item 25)
0
Machine parked (TM 5-2420-231-10)
Refrigerant, Tetrafluoroethane, Technical
0
0
Front end loader raised with safety support strut
(WP 0375, Item 26)
0
engaged (TM 5-2420-231-10)
Personnel
Estimated Time to Complete
91C
0
2.0 hr
0
WARNING
Contact with refrigerant can cause frostbite. Keep hands and face away to prevent
personal injury.
Protective face shield and gloves must always be worn when refrigerant lines are opened,
even if the gauges indicate system is empty.
Always use caution when disconnecting fittings. Slowly loosen the fitting in a well-
ventilated area.
Do not smoke when servicing A/C or wherever refrigerant gas may be present.
Failure to follow these warnings may result in injury or death to personnel.
NOTE
Replace receiver/dryer if one or more of the following conditions occurs before you purge
the A/C system:
A/C system has been previously opened for service.
A/C system contains too much air or moisture (as indicated by low refrigerant level).
A/C system has been opened for longer than 5 minutes.
A/C system has a large leak (such as a break in hose or line).
0364-1
