TM 5-3805-281-24-1
Group 20
Adjustments
PROPER REFRIGERANT HANDLING
It must be recovered using the
The U.S. Environmental Protection Agency prohibits
appropriate recovery stations.
discharge of any refrigerant into the atmosphere, and
requires that refrigerant be recovered using the
IMPORTANT: Use correct refrigerant recovery,
approved recovery equipment.
recycling and charging stations. DO
NOT mix refrigerants, hoses, fittings,
IMPORTANT: To meet government standards
components or refrigerant oils.
relating to the use of refrigerants,
R134a is used in the air conditioning
Recovery, recycling and charging stations for R12 and
system. Because it does not contain
R134a refrigerants MUST NOT be interchanged.
chlorine, R134a is not detrimental to
Systems containing R12 refrigerant use a different oil
the ozone in the atmosphere.
than systems using R134a. Certain seals are not
However, it is illegal to discharge
compatible with both types of refrigerants.
any refrigerant into the atmosphere.
TX,9031,UU3151 1913AUG961/1
R134A REFRIGERANT CAUTIONS
Keep refrigerant containers away from heat
CAUTION: DO NOT allow liquid refrigerant to
sources. Store refrigerant in a cool place.
contact eyes or skin. Liquid refrigerant will
freeze eyes or skin on contact. Wear
DO NOT handle damp refrigerant container
goggles, gloves and protective clothing.
with your bare hands. Skin may freeze to
container. Wear gloves.
If liquid refrigerant contacts eyes or skin, DO
NOT rub the area. Splash large amounts of
If skin freezes to container, pour COOL
COOL water on affected area. Go to a
water over container to free the skin. Go to a
physician or hospital immediately for
9031
physician or hospital immediately for
20
treatment.
treatment.
1
DO NOT allow refrigerant to contact open
(R12 ONLY) Refrigerant exposed to high
flames or very hot surfaces such as electric
temperature forms phosgene gas. Inhaling
welding arc, electric heating element and
toxic phosgene gas may result in serious
lighted smoking materials.
illness or death. Phosgene gas has an odor
like new mown hay or green corn. If you
DO NOT heat refrigerant over 52C (125F) in
inhale phosgene gas, go to a physician or
a closed container. Heated refrigerant will
hospital immediately for treatment.
develop high pressure which can burst the
container.
TX,9031,UU3152 1913AUG961/1
