8
TM 5-3805-292-23
FIELD MAINTENANCE
-
A/C SYSTEM MAINTENANCE
009
3
LEAK TEST, RECOVERY, EVACUATION, CHARGING
INITIAL SETUP
Tools and Special Tools
Materials/Parts - Continued
0
0
Tool Kit, General Mechanic's (WP 0178, Item
Rag, Wiping (WP 0179, Item 19)
0
33)
Refrigerant, R-134a (WP 0179, Item 20)
0
0
Reclaimer, Refrigerant R-134a (WP 0178,
Equipment Conditions
Item 28)
0
0
Machine parked on level ground (TM 5-3805-
SATS (WP 0178, Item 30)
0
292-10)
Tool Kit, Service Refrigeration Ordnance (WP
0
Engine off (TM 5-3805-292-10)
0178, Item 34)
0
0
Estimated Time to Complete
Materials/Parts
0
0
2.0 Hr
Oil, Lubricating, Refrigerant Compressor: Syn-
0
thetic Ester (WP 0179, Item 18)
0
WARN I N G
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 fititngs. 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.
N OT E
Replace receiver/dryer if one or more of he following conditions occurs before you purge
t
A/C system:
A/C system has been previously opened for service.
Too much air or moisture in A/C system, indicated by low refrigerant.
Receiver/dryer has been operated for 2 or more years.
A/C system has been opened for longer than 5 minutes.
Large A/C system leak (break in hose or line).
0093-1