Honda Prelude 1993 Service Manual page 1079

A/C System Service
Leak Test
Only use service equipment that is U.L.-lisled and is
cenrlied to meet the requirements ol SAE J2210 to remove
R'l34a lrom the air conditioner syslem.
C A U T I O N : E x o o s u r e t o e i . c o n d i l i o n e r
,etrigerant and lubricant vapor or mist can
irdtale eyes, nose and throgt. Avoid breathing
lh€ air condltloner retrlgerani and lubrlcant
vapqr or migl.
It accidental system discharge occurs, ventilate work area
before resuming setuice.
R - 1 3 4 a s e r v i c e e o u i o m e n t o r v e h i c l e a i r c o n d i l i o n e r
syslems should not be pressure tested or leak tested with
compressed arr.
E @
s o m e m i x t u r e o l a i r a n d
R.134a have been shown to be combustible at
glevated pressureg and qan resull In fire or
explosion causing injury or property damags.
Never use compressed air to pressure lgsl
R . 1 3 4 a s e r v l c e e q u i p m e n t o r v e h i c l e a i l
conditioner systems.
Additional heallh and salely information may be obtained
from the relrigerant and lubricant manufacturers.
Connect a R-134a refrigerant Recovery/Recycling/
Charging System to the car as shown following the
eouiomenl manufacturer's instructions.
NOTE: Be sure to install the same amount ot new
r e f r i g e r a n t o i l b a c k i n t o t h e A / C s y s t e m b e f o r e
c h a r g I n g .
Open high pressure valve to charge the system to
about 100 kPa (1.0 kg/cm?. 14 psi), then close the
suppry varve.
Check the system tor leaks using a R-134a refriger-
ant leak detector with an accuracv of 0.5/oz. per
vear or better.
l f y o u f i n d l e a k s t h a t r e q u i r e t h e s y s t e m t o b e
opened (to repair or replace houses. fittings, etc.).
r e c o v e r t h e s y s t e m a c c o r d i n g t o t h e R e c o v e r
Procedure on page 22-25.
After checking and repairing leaks, the system must
be evacuated lsee System Evacuation on page 22-
4 2 t .
Rccov.rylRrcycling/Chrrging Syltlm
l .
5 .
HIGH PRESSURE
SIDE
22-4