Honda Civic 1998 Service Manual page 1096

A/C System Service
Evacuation
Use only service equipment that is U.L.-listed and is cer
tified to meet the requirements of SAE J2210 to remove
HFC-134a {R 134a) trom the air conditioner system.
CAUTION: Exposure to air conditioner refrigerant and
lubricant vapor or mist can irrilate eyes, nose and throat.
Avoid breathing the air conditioner refrigerant and lubri-
cant vapor or mist.
lf accidental system discharge occurs, ventilate work
area before resuming service.
R-134a service equipment or vehicle air conditioner sys-
tems should not be Dressure tested or leak tested with
compressed arr.
@
some mixtures ot air and R-134a have b€€n
shown to be combustible at elevat€d ptessures and can
result in tire or explosion causing iniury or property
damage. Never use compressed air to pressure test R-
134a service equipment or vehicle air conditioner sys-
Iems.
Additional health and safety information may be obtained
from the refrigerant and lubricant manufacturers.
'1.
When an Ay'C System has been opened to the atmo-
sphere, such as during installation or repair, it must
be evacuated using a R-134a refrigerant Recovery/
Recycling/Charging
System. (lf the system has been
open for several days, the receiver/dryer should be
replaced, and the system should be evacuated for
several hours.)
2. Connect a R-134a refrigerant Recove rylRecycling/
Charging System to the vehicle, as shown, follow-
ing the equipment manufacturer's instructions,
NOTE: lf low pressure does not reach more than 93.3
k P a ( 7 0 0 m m H g , 2 7 . 6 i n . H g ) i n 1 5 m i n u t e s , t h e r e i s
probably a leak in the system. Partially charge the
system, and check for leaks (see Leak Test).
Recovery/Recyclin g/Chargin g System
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