Honda Civic Service Manual page 778

Heating and Air Conditioning
A/C Service Tips and Precautions
Compressed air mixed with R- 134a forms a
c o m b u s t i b l e v a p o r .
T h e v a p o r c a n b u r n o r e x p l o d e c a u s i n g s e r i o u s
i n j u r y .
Never use compressed air to pressure test
R - 1 3 4 a s e r v i c e e q u i p m e n t o r v e h i c l e a i r
c o n d i t i o n i n g s y s t e m s .
A i r c o n d i t i o n i n g r e f r i g e r a n t o r l u b r i c a n t v a p o r
can irritate your eyes, nose, or throat.
Be careful when connecting service equipment.
Do not breathe refrigerant or vapor.
T h e a i r c o n d i t i o n i n g s y s t e m u s e s H F C - 1 3 4 a ( R - 1 3 4 a )
r e f r i g e r a n t a n d p o l y a l k y l e n e g l y c o l
( P A G ) r e f r i g e r a n t o i l ,
w h i c h a r e n o t c o m p a t i b l e w i t h C F C ' 1 2 ( R - 1 2 ) r e f r i g e r a n t
a n d m i n e r a l o i l . D o n o t u s e R - ' 1 2 r e f r i g e r a n t o r m i n e r a l
oil in this system, and do not aftempt to use R 12
s e r v i c i n g e q u i p m e n t ; d a m a g e t o t h e a i r c o n d i t i o n i n g
s y s t e m o r y o u r s e r v i c i n g e q u i p m e n t w i l l r e s u l t .
U s e o n l y s e r v i c e e q u i p m e n t t h a t i s U . L . - l i s t e d a n d i s
certified to meet the requirements of SAE J2210 to
r e m o v e R - 1 3 4 a f r o m t h e a i r c o n d i t i o n i n g s y s t e m .
lf accidental system discharge occurs, ventilate the
w o r k a r e a b e f o r e r e s u m i n g s e r v i c e .
R - 1 3 4 a s e r v i c e e q u i p m e n t o r v e h i c l e a i r c o n d i t i o n i n g
systems should not be pressure tested or leak tested
w i t h c o m p r e s s e d a i r .
A d d i t i o n a l h e a l t h a n d s a f e t y i n f o r m a t i o n m a y b e
obtained from the refrigerant and lubricant
m a n u f a c t u r e r s .
. Always disconnect the negative cable from the
b a t t e r y w h e n e v e r r e p l a c i n g a i r c o n d i t i o n i n g p a r t s .
. Keep moisture and dirt out of the system. When
d i s c o n n e c t i n g a n y l i n e s , p l u g o r c a p t h e f i t t i n g s
immediately; don't remove the caps or plugs until
iust be{ore you reconnect each line.
' B e f o r e c o n n e c t i n g a n y h o s e o r l i n e , a p p l y a f e w d r o p s
of relrigerant oil to the O-ring.
. W h e n t i g h t e n i n g o r l o o s e n i n g a f i t t i n g , u s e a s e c o n d
wrench to support the matching fitting.
. W h e n d i s c h a r g i n g t h e s y s t e m , u s e a R - ' 1 3 4 a
ref rigerant recovery/recycling/charging station; don't
release refrigerant into the atmosphere.
21-6
A: 130 m0 {4 l/3 tl.oz,4.6 lmp.oz)
] , ^
A/C Refrigerant Oll Replacement
R e c o m m e n d e d P A G o i l : K E I H I N S P 1 0 :
. P/N 38897-P l3-A01AH: '120 m0 i4 fl oz)
. P/N 38899-P13'A01: 40 m0 i1 1/3 fl oz)
Add the recommended refrigerant oil in the amount
listed if you replace any of the following parts.
. T o a v o i d c o n t a m i n a t i o n . d o n o t r e t u r n t h e o i l t o t h e
c o n t a i n e r o n c e d i s p e n s e d , a n d n e v e r m i x i t w i t h o t h e r
refrigerant oils.
. l m m e d i a t e l y a f ' t e r u s i n g t h e o i l , r e i n s t a l l t h e c a p o n
the container, and seal it to avoid moisture
a o s o r p r o n .
. D o n o t s p i l l t h e r e f r i g e r a n t o i l o n t h e v e h i c l e ; i t m a y
damage the paint. lf it gets on the paint, wash it off
i m m e d i a t e l y .
C o n d e n s e r . . . . . . . . . . . 2 5 m A \ 5 1 6 t l . o z , 0 . 9 l m p . o z )
E v a p o r a t o r . . . . . . . . . . . 4 5 m 0 ( 1 1 1 3 I l . o z ,
' 1 . 4 l m p . o z )
L i n e o r h o s e . . . . . . . . .
' 1 0
m 0 { 1 / 3 f l . o z , 0 . 4 l m p . o z )
R e c e i v e r / D r y e r . . . .
' 1 0
m 0 ( ' 1 1 3 f l . o z , 0 . 4 l m p . o z )
Leakage repai r .... 25 m0, 1516 Il oz, 0.9 lmp.oz)
C o m p r e s s o r . . . . . . . . . F o r c o m p r e s s o r r e p l a c e m e n l ,
s u b t r a c t t h e v o l u m e o f o i l d r a i n e d
from the removed compressor from
1 3 0 m 0 ( 4 1 / 3 f l . o z , 4 . 6 l m p . o z ) , a n d
d r a i n t h e c a l c u l a t e d v o l u m e o f o i l
f rom the new compressor:
'130
m0
i . 4 1 1 3 f l . o z , 4 . 6 l m p . o z ) V o l u m e o f
removed compressor = Volume to
d r a i n f r o m n e w c o m p r e s s o r .
NOTE: Even if no oil is drained from
the removed compressor, don't
d rain more than 50 m0 \1 2/3 fl.oz,
' 1 . 8 l m p
o z ) f r o m t h e n e w
c o m p r e s s o r .
\
REMOVED
COMPBESSOR
r A
\ l i
\.. rJ
\tb
I
,lEL.-
"o*t ttu"
NEW
COMPRESSOR
/- a\
i t l
\
r /
\:)-) -/
_ 0 L
'r:l_
I I I DRAINING
_*lH
I voLUME