82410 • 82710 • 82910 WSM, 12271
1 ENGINE
(2)
Injection
Nozzle
A CAUTION
•
Check
the
injection
pressure
and
condition
after
confirming
that
there
is
nobody
standing
in
the
direction
the
fume
goes.
If
the
fume
from
the nozzle
directly
contacts
the
human
body,
cells
may
be
destroyed
and
blood
poisoning
may be caused.
11790$
1
0690
(a)
00000F10680
(b)
Nozzle Spraying
Condition
1.
Set the injection nozzle to a nozzle tester (Code
No.
07909-
31361), and check the nozzle spraying condition.
2.
If
the spraying condition
is
defective, replace the nozzle piece.
(a)
Good
(b) Bad
00000$10500
00000F10690
Fuel
Injection
Pressure
1.
Set the injection nozzle to a nozzle tester (Code
No.
07909-
31361).
2.
Slowly move the tester handle to measure the pressure at which
fuel begins jetting out from the nozzle.
3.
If
the measurement
is
not within the factory specifications,
replace the adjusting washer
(1)
in the nozzle holder to adjust
it.
13.73 to 14.71 MPa
Fuel injection pressure Factory spec. 140 to 150 kgf/cm
2
1991
to 2133 psi
00000F10700
(Reference)
• Pressure variation with
0.01
mm (0.0004 in.) difference of
adjusting washer thickness.
Approx. 235 kPa (2.4 kgf/cm
2
, 34 psi)
(1)
Adjusting Washer
00000$
10511
1-S55
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