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Page Title:
DISCHARGING THE REFRIGERANT SYSTEM |
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 TM 9-4120-428-14
DIRECT SUPPORT MAINTENANCE
AIR CONDITIONER, HORIZONTAL, COMPACT
(NSN 4120-01-502-1319)
DISCHARGING THE REFRIGERANT SYSTEM
INITIAL SETUP:
Tools
Item 9
Equipment Condition
Refrigeration Unit Service Tool Kit, WP 0000 00, Item 1
Goggles, WP 0000 00, Item 2
Install the service manifold
Gloves, WP 0000 00, Item 2
Refrigerant Recovery and Recycle Unit, WP 0000 00,
WARNING
Dangerous Pressurized Chemical Refrigerant is used in the operation of this
equipment
Use great care to avoid contact with the liquid refrigerant or inhaling refrigerant gas that
is discharged from any container that is pressurized. Sudden and irreversible tissue
damage can result from freezing. Wear thermal protective gloves and a face protector or
safety glasses in any situation when skin or eye contact is possible.
Prevent contact of refrigerant gas with a flame or other hot surfaces. Heat causes the
refrigerant to break down and form carbonyl chloride (phosgene), a highly toxic and
corrosive gas. Unit contains R-22, a chemical substance that harms public health and the
environment by destroying ozone in the upper atmosphere. Qualified personnel must
service equipment only.
HIGH
PRESSURE
GAUGE VALVE
RED 1/4 IN.
VAC
PRESSURE GAUGE
VACUUM VALVE
REF
HOSE (HIGH)
CHARGE
LOW
VALVE
COMPOUND
GAUGE VALVE
BLUE 1/4 IN.
HIGH
COMPOUND GAUGE
PRESSURE
HOSE (LOW)
CHARGING VALVE
LOW
PRESSURE
CHARGING VALVE
YELLOW 3/8 IN.
VACUUM HOSE (VAC)
YELLOW 1/4 IN.
CHARGE HOSE (REF)
CONNECT TO AN APPROVED
CONTAINER OR RECOVERY UNIT
0065 00-1
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