Rating:
Information injection-pump assembly
ZEXEL
106876-2020
1068762020
Cross reference number
ZEXEL
106876-2020
1068762020
Zexel num
Bosch num
Firm num
Name
106876-2020
INJECTION-PUMP ASSEMBLY
8DC9TC
8DC9TC
Calibration Data:
Adjustment conditions
Test oil
1404 Test oil ISO4113 or {SAEJ967d}
1404 Test oil ISO4113 or {SAEJ967d}
Test oil temperature
degC
40
40
45
Nozzle and nozzle holder
105780-8140
Bosch type code
EF8511/9A
Nozzle
105780-0000
Bosch type code
DN12SD12T
Nozzle holder
105780-2080
Bosch type code
EF8511/9
Opening pressure
MPa
17.2
Opening pressure
kgf/cm2
175
Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-3-600
Outer diameter - inner diameter - length (mm) mm 8-3-600
Overflow valve
131424-4620
Overflow valve opening pressure
kPa
255
221
289
Overflow valve opening pressure
kgf/cm2
2.6
2.25
2.95
Tester oil delivery pressure
kPa
157
157
157
Tester oil delivery pressure
kgf/cm2
1.6
1.6
1.6
Direction of rotation (viewed from drive side)
Right R
Right R
Injection timing adjustment
Direction of rotation (viewed from drive side)
Right R
Right R
Injection order
1-2-7-3-
4-5-6-8
Pre-stroke
mm
4.8
4.75
4.85
Beginning of injection position
Governor side NO.1
Governor side NO.1
Difference between angles 1
Cyl.1-2 deg. 45 44.5 45.5
Cyl.1-2 deg. 45 44.5 45.5
Difference between angles 2
Cal 1-7 deg. 90 89.5 90.5
Cal 1-7 deg. 90 89.5 90.5
Difference between angles 3
Cal 1-3 deg. 135 134.5 135.5
Cal 1-3 deg. 135 134.5 135.5
Difference between angles 4
Cal 1-4 deg. 180 179.5 180.5
Cal 1-4 deg. 180 179.5 180.5
Difference between angles 5
Cal 1-5 deg. 225 224.5 225.5
Cal 1-5 deg. 225 224.5 225.5
Difference between angles 6
Cal 1-6 deg. 270 269.5 270.5
Cal 1-6 deg. 270 269.5 270.5
Difference between angles 7
Cal 1-8 deg. 315 314.5 315.5
Cal 1-8 deg. 315 314.5 315.5
Injection quantity adjustment
Adjusting point
A
Rack position
11.3
Pump speed
r/min
800
800
800
Average injection quantity
mm3/st.
161
158
164
Max. variation between cylinders
%
0
-3
3
Basic
*
Fixing the lever
*
Boost pressure
kPa
61.3
61.3
Boost pressure
mmHg
460
460
Injection quantity adjustment_02
Adjusting point
B
Rack position
5.6+-0.5
Pump speed
r/min
275
275
275
Average injection quantity
mm3/st.
15.5
12.9
18.1
Max. variation between cylinders
%
0
-15
15
Fixing the rack
*
Boost pressure
kPa
0
0
0
Boost pressure
mmHg
0
0
0
Boost compensator adjustment
Pump speed
r/min
500
500
500
Rack position
R1-1.3
Boost pressure
kPa
21.3
20
22.6
Boost pressure
mmHg
160
150
170
Boost compensator adjustment_02
Pump speed
r/min
500
500
500
Rack position
R1(11.3)
Boost pressure
kPa
48
41.3
54.7
Boost pressure
mmHg
360
310
410
Timer adjustment
Pump speed
r/min
950--
Advance angle
deg.
0
0
0
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
900
Advance angle
deg.
0.5
Timer adjustment_03
Pump speed
r/min
1100
Advance angle
deg.
0.5
0
1
Timer adjustment_04
Pump speed
r/min
-
Advance angle
deg.
1
1
1
Remarks
Measure the actual speed, stop
Measure the actual speed, stop
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Target notch: K
(2)Supplied with torque spring not set.
(3)Excess fuel lever setting: EXL (at boost pressure 0)
(4)Main spring setting
(5)Set idle sub-spring
(6)Boost compensator stroke: BCL
(7)At delivery
----------
K=10 EXL=13++mm BCL=1.3+-0.1mm
----------
----------
K=10 EXL=13++mm BCL=1.3+-0.1mm
----------
Speed control lever angle
F:Full speed
I:Idle
(1)Stopper bolt setting
(2)At delivery
----------
----------
a=6deg+-5deg b=28deg+-5deg c=(2deg)
----------
----------
a=6deg+-5deg b=28deg+-5deg c=(2deg)
Stop lever angle
N:Pump normal
S:Stop the pump.
(1)Normal
----------
----------
a=19deg+-5deg b=46deg+-5deg
----------
----------
a=19deg+-5deg b=46deg+-5deg
0000001101
N:Normal
B:When boosted
(1)Rack position = at least aa (speed = bb; at boost pressure 0)
----------
aa=13mm bb=0r/min
----------
a=(10deg) b=(15deg)
----------
aa=13mm bb=0r/min
----------
a=(10deg) b=(15deg)
Timing setting
(1)Pump vertical direction
(2)Coupling's key groove position at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=14deg
----------
a=(40deg)
----------
aa=14deg
----------
a=(40deg)
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Mitsubishi
106876-2020
INJECTION-PUMP ASSEMBLY
8DC9TC
8DC9TC