FU - 1 0
F U E L S Y S T E M
-
I njection Nozzles
t 1 2H-Tl
I[
'-�
'ua���
4.
REMOVE I N J ECTION PIPES
(a) Loosen t h e union nuts
01
the six injection pipes.
(bl Remove the
four nuts, six inj
ecti
o
n
pipes and clamps.
5.
REMOVE I N J ECTION N O Z Z L E S
R e m o ll e the
two
b
o
l
t
s
,
nozzle. r i n g packing and seal.
Remove the six n04:z les.
NOTE' Arrange Ihe nozzles i n correct order.
6.
INJECTION PRESSURE TEST
(sl Inslall the nozzle to an injection nozzle hand
lester
and bleed the air
from
the union nul.
WA R N I N G : Do not place your f i nger over the nozzle
injection hole.
fbi
Pump the
tester handle
a
few times as fast
3S
poss i
ble by h a n d
10
discharge the c a r b o n
f r o m the i njec
tion
hole
(c)
Pump t h e
tester handle slowly and observe the
pressure ga
u
g
e
.
idl
Read
t h e presSure gauge
when
the
i njection pressure
just beg ins to drop
Opening pressure:
Reused nozzle 1 80 - 2 1 0 kg/cm2
(2,560 - 2,987 psil
11 7,652 -
20,594 kPal
New nozzle
200 - 2 1 0 kg/cm2
(2,846 - 2,987 psi)
1 1 9 , 6 1 3
- 20,594 kPal
NOTE: Proper
nozzle o
p
e
r
a
t
i
o
n
can
be
d
e
t
e
r
mi
n
e
d
by a
swishing sound.
Содержание 12H-T
Страница 1: ...TOYOTA 2 H 1 2 H T ENGINE REPAIR MANUAL Nov 1985 ...
Страница 216: ...FU SS FUEL SYSTEM Injection Pump 20 wi PS OR A C INSTALL IDLE UP ACTUATOR ...
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