Specifications

4M41 ENGINE -
Injection Nozzle
11B-15-9
(3) Note the value indicated by the pressure gauge
H
the
moment the dial gauge indicates the specified amount
of needle valve lift (normally prelift
E
+ 0.05 mm).
D
: Needle valve full lift
Standard value: 22.6 - 23.6 MPa
(4) If the dial gauge reading deviates from the specified limits
of standard value, disassemble the nozzle holder
25
and
make pressure adjustment by changing the existing shim
18
for a shim with appropriate thickness.
Thicknesses of available 2nd valve opening pressure
adjusting shims (outside diameter:
f
7.2 mm):
0.10, 0.20, 0.30, 0.40, 0.50, 0.51, 0.52, 0.53, 0.54,
0.55, 0.56, 0.57, 0.58, 0.59 mm
Caution
Adjusting the 1st valve opening pressure changes
the 2nd valve opening pressure. After the lst valve
opening pressure is altered, therefore, be sure to
check and readjust the 2nd valve opening pressure.
CHECKING INJECTION NOZZLE ASSEMBLY
Upon completion of all necessary adjustments, perform a
final check on the injection nozzle assembly by the following
procedure.
(1) Remove the special tools Dial Gauge, Nut an d Holder.
(2) Remove the special tools Retaining Nut (for adjustment)
and Gasket.
(3) Check that the pin
14
is secured in position. Install the
regular retaining nu t
11
handtight. then tighten it to the
specified torque.
(4) Attach the nozzle holder
25
to the nozzle tester
B
. Using
the nozzle tester
B
, check the 1st valve opening pressure,
spray form and seat oiltightness. Check that all parts
are leak-free at the same time.
PWEE9409-D
E
Feb. 2000Mitsubishi Motors Corporation Added
Needle
valve
lift
(mm)
1st valve open-
ing pressure
Pipe pressure (MPa)
2nd valve opening
pressure
A
H
E
34.3 - 44.1
D
0
E
E + 0.05
157954-3801
18
25
157954-3801
157892-1000
157892-4400
4ME0533
157892-5120
157892-3200
4ME0534