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TM 9-4120-389-14
WARNING
DANGEROUS CHEMICAL
(R22)
is used in this equipment
DEATH
or severe injury may result if personnel fail to observe safety precautions. Use great care to avoid contact with
liquid refrigerant gas being discharged under pressure. Sudden and irreversible tissue damage can result form
freezing. Wear thermal protective gloves and a face protector or goggles in any situation where skin-eye-
contact is possible. Prevent contact of refrigerant gas with flame or hot surfaces. Heat causes refrigerant to
break down and form carbonyl chloride (phosgene), a highly poisonous and corrosive gas.
o. Remove gages or service manifold hoses from charging valves.
p. Install charging valve protective caps.
Follow-on procedure. Secure service valve access cover (See para. 4-15).
5-19
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