Toyota 2H Repair Manual page 132

F U - 4
i i i i i �
2 3
F U E L
S Y S T E M - I n j e c t i o n N o z z l e s
3.
4 5 6
4.
[ 2 H I
R E M O V E I N J E C T I O N N O Z Z L E S
SST,
U s i n g r e m o v e t h e six n o z z l e s , s e a l s and g a s k e t s
SST 0 9 2 6 8 - 6 4 0 1 0
N O T E :
Arra n g e the n o z z les i n correct order
I N J E C T I O N PRESS U R E TEST
(a) I n s t a l l t h e nozzle to a n i n j e c t i o n n o z z l e h a n d tester
and b l eed t h e a i r from the u nio n n u
WARN I N G : Do not place your finger over the n o z z l e
inje c t i o n hole.
mp
(b)
P u the l e s t e r h a n d l e a f e w
ble by h a n d to d i s c h a r g e the c a r b o n from t h e Injec­
tion h O l e
( e ) l e S l e r
Pump the
p r
ress u e g a u g e
Idl
Read the pres s u re gauge when t h e i njection pressure
j u s t beg i n s to drop,
O p e n i n g pressure :
1
Reused n o z z l e
{1 . 4 9 3 - 1 , 7 7 8
( 1 0.296
" 5 -
N e w nozzle
( 1 .636 - 1 , 7 7 8
11 1 . 2 7 8 - 1 2 . 2 5 8 kPa'
NOTE:
P roper n o z z l e operation can be d e t e r m ined by a
swis h i n g s o u n d _
t.
l i s
m e
l a s l as poss i ­
a s
h a n d l e s l owly a n d o b s e rv e t h e
5 - 1 2 5
0 kg/cm�
psi}
- 1 2 . 2 6 8 kP.,
1 2 5 kg/cm2
psi)