REFRIGERATION SYSTEM REPAIRS GENERAL.

TM5-4120-383-14

5-10.

REFRIGERATION SYSTEM REPAIRS GENERAL.

The refrigeration system must be totally discharged before any

maintenance action is performed on any system component. Leak

testing and dehydrator replacement is required after any system

component has been removed and replaced. The system must be

evacuated before it is charged. The system must be properly

charged to function properly.

DANGEROUS CHEMICAL

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 irreverisble 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

Heat causes the refrigerant to break down

surfaces.

and form carbonyl chloride (phosgene), a highly toxic

and corrosive gas.

REFRIGERANT UNDER PRESSURE

is used

in the operation of this equipment.

DEATH

or severe injury may result if you fail

to observe safety precautions.

Never use a heating torch on any part that contains

Do not let liquid refrigerant

Refrigerant R-22.

touch you and do not inhale refrigerant gas.

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