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TM 9-4120-389-14
5-3. DISCHARGING THE REFRIGERANT SYSTEM
Preliminary procedure. Remove access cover (See para. 4-15).
a. Unscrew hose connection protective caps.
Figure 5-1. Discharging Refrigerant
WARNING
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.
WARNING
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.
5-3
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