TM 9-4120-371-14
b. Remove service valve access cover.
c. Unscrew hose connection protective caps.
Death or serious injury may result if personnel fail to observe safety precautions. Use
great care to avoid contact with liquid refrigerant or refrigerant gas being discharged
under pressure. Sudden and irreversible tissue damage can result from 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 the
refrigerant to break down and form carbonyl chloride (phosgene), a highly poisonous
and corrosive gas.
d. Connect and operate recovery/recycling unit in accordance with manufacturer's instructions.
Change 1