Rating:
Information injection-pump assembly
ZEXEL
101401-9400
1014019400
Cross reference number
ZEXEL
101401-9400
1014019400
Zexel num
Bosch num
Firm num
Name
101401-9400
DPICO
INJECTION-PUMP ASSEMBLY
4D31T * Q
4D31T * Q
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 6-2-600
Outer diameter - inner diameter - length (mm) mm 6-2-600
Overflow valve
131424-6220
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
1-3-4-2
Pre-stroke
mm
3.6
3.55
3.65
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-3 deg. 90 89.5 90.5
Cal 1-3 deg. 90 89.5 90.5
Difference between angles 2
Cal 1-4 deg. 180 179.5 180.5
Cal 1-4 deg. 180 179.5 180.5
Difference between angles 3
Cyl.1-2 deg. 270 269.5 270.5
Cyl.1-2 deg. 270 269.5 270.5
Injection quantity adjustment
Adjusting point
-
Rack position
11.1
Pump speed
r/min
1000
1000
1000
Average injection quantity
mm3/st.
58
57
59
Max. variation between cylinders
%
0
-2.5
2.5
Basic
*
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_02
Adjusting point
H
Rack position
9.5+-0.5
Pump speed
r/min
325
325
325
Average injection quantity
mm3/st.
10
8.7
11.3
Max. variation between cylinders
%
0
-13
13
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(11.1)
Pump speed
r/min
1000
1000
1000
Average injection quantity
mm3/st.
58
57
59
Basic
*
Fixing the lever
*
Boost pressure
kPa
80
80
Boost pressure
mmHg
600
600
Injection quantity adjustment_04
Adjusting point
B
Rack position
R1+0.6
Pump speed
r/min
1700
1700
1700
Average injection quantity
mm3/st.
83
79
87
Fixing the lever
*
Boost pressure
kPa
80
80
Boost pressure
mmHg
600
600
Injection quantity adjustment_05
Adjusting point
C
Rack position
R2-0.7
Pump speed
r/min
680
680
680
Average injection quantity
mm3/st.
34
30
38
Fixing the lever
*
Boost pressure
kPa
0
0
0
Boost pressure
mmHg
0
0
0
Injection quantity adjustment_06
Adjusting point
D
Rack position
(R2-0.65
)
Pump speed
r/min
550
550
550
Average injection quantity
mm3/st.
30
26
34
Fixing the lever
*
Boost pressure
kPa
0
0
0
Boost pressure
mmHg
0
0
0
Injection quantity adjustment_07
Adjusting point
I
Rack position
-
Pump speed
r/min
100
100
100
Average injection quantity
mm3/st.
67
67
72
Fixing the lever
*
Boost pressure
kPa
0
0
0
Boost pressure
mmHg
0
0
0
Rack limit
*
Boost compensator adjustment
Pump speed
r/min
700
700
700
Rack position
R2-0.7
Boost pressure
kPa
26.7
25.4
28
Boost pressure
mmHg
200
190
210
Boost compensator adjustment_02
Pump speed
r/min
700
700
700
Rack position
R2(R1-0.
3)
Boost pressure
kPa
66.7
60
66.7
Boost pressure
mmHg
500
450
500
Timer adjustment
Pump speed
r/min
1500--
Advance angle
deg.
0
0
0
Load
3/4
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
1450
Advance angle
deg.
0.3
Load
3/4
Timer adjustment_03
Pump speed
r/min
1750
Advance angle
deg.
2.5
2
3
Load
4/4
Remarks
Finish
Finish
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Torque cam stamping: T1
(2)Tolerance for racks not indicated: +-0.05mm.
(3)RACK LIMIT
(4)Boost compensator stroke: BCL
(5)Set idle at delivery.
----------
T1=L17 BCL=0.7+-0.1mm
----------
----------
T1=L17 BCL=0.7+-0.1mm
----------
Speed control lever angle
F:Full speed
I:Idle
(1)Use the hole at R = aa
(2)Stopper bolt set position 'H'
----------
aa=40mm
----------
a=26deg+-5deg b=(42deg)+-3deg
----------
aa=40mm
----------
a=26deg+-5deg b=(42deg)+-3deg
Stop lever angle
N:Engine manufacturer's normal use
S:Stop the pump.
(1)Free (at delivery)
(2)Use the hole at R = aa
(3)Rack position corresponding to bb
(4)Set the stopper bolt at speed = cc and rack position = dd (non-injection rack position). Confirm non-injection.
(5)After setting the stopper bolt, confirm non-injection at speed ee. Rack position = ff or less (non-injection rack position).
----------
aa=40mm bb=16mm cc=1700r/min dd=6.5-0.5mm ee=325r/min ff=(8)mm
----------
a=8deg+-5deg b=15deg+-5deg c=25deg+-5deg
----------
aa=40mm bb=16mm cc=1700r/min dd=6.5-0.5mm ee=325r/min ff=(8)mm
----------
a=8deg+-5deg b=15deg+-5deg c=25deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Position of gear mark '3' at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=14deg
----------
a=(130deg)
----------
aa=14deg
----------
a=(130deg)
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Dpico
101401-9400
INJECTION-PUMP ASSEMBLY
4D31T
4D31T