Rating:
Information injection-pump assembly
ZEXEL
104761-4131
1047614131
Cross reference number
ZEXEL
104761-4131
1047614131
Zexel num
Bosch num
Firm num
Name
104761-4131
INJECTION-PUMP ASSEMBLY
Calibration Data:
Adjustment conditions
Test oil
1404 Test oil ISO4113orSAEJ967d
1404 Test oil ISO4113orSAEJ967d
Test oil temperature
degC
45
45
50
Nozzle
105000-2010
Bosch type code
NP-DN12SD12TT
Nozzle holder
105780-2080
Opening pressure
MPa
14.7
14.7
15.19
Opening pressure
kgf/cm2
150
150
155
Injection pipe
Inside diameter - outside diameter - length (mm) mm 2-6-840
Inside diameter - outside diameter - length (mm) mm 2-6-840
Transfer pump pressure
kPa
20
20
20
Transfer pump pressure
kgf/cm2
0.2
0.2
0.2
Direction of rotation (viewed from drive side)
Right R
Right R
Injection timing adjustment
Pump speed
r/min
750
750
750
Average injection quantity
mm3/st.
59
58.5
59.5
Difference in delivery
mm3/st.
3
Basic
*
Injection timing adjustment_02
Pump speed
r/min
1225
1225
1225
Average injection quantity
mm3/st.
13.8
10.3
17.3
Injection timing adjustment_03
Pump speed
r/min
1125
1125
1125
Average injection quantity
mm3/st.
53.3
50.8
55.8
Injection timing adjustment_04
Pump speed
r/min
750
750
750
Average injection quantity
mm3/st.
59
58
60
Injection timing adjustment_05
Pump speed
r/min
500
500
500
Average injection quantity
mm3/st.
57
54.5
59.5
Injection quantity adjustment
Pump speed
r/min
1225
1225
1225
Average injection quantity
mm3/st.
13.8
10.8
16.8
Difference in delivery
mm3/st.
4.5
Basic
*
Injection quantity adjustment_02
Pump speed
r/min
1300
1300
1300
Average injection quantity
mm3/st.
3
Governor adjustment
Pump speed
r/min
350
350
350
Average injection quantity
mm3/st.
16.6
14.6
18.6
Difference in delivery
mm3/st.
2
Basic
*
Governor adjustment_02
Pump speed
r/min
450
450
450
Average injection quantity
mm3/st.
3
Governor adjustment_03
Pump speed
r/min
350
350
350
Average injection quantity
mm3/st.
16.6
14.6
18.6
Timer adjustment
Pump speed
r/min
100
100
100
Average injection quantity
mm3/st.
70
55
85
Basic
*
Speed control lever angle
Pump speed
r/min
350
350
350
Average injection quantity
mm3/st.
0
0
0
Remarks
Magnet OFF at idling position
Magnet OFF at idling position
Speed control lever angle_02
Pump speed
r/min
125
125
125
Average injection quantity
mm3/st.
5
Remarks
Magnet OFF at full-load position
Magnet OFF at full-load position
0000000901
Pump speed
r/min
750
750
750
Overflow quantity
cm3/min
330
150
510
Stop lever angle
Pump speed
r/min
250
250
250
Pressure
kPa
157
137
177
Pressure
kgf/cm2
1.6
1.4
1.8
Basic
*
Stop lever angle_02
Pump speed
r/min
250
250
250
Pressure
kPa
157
137
177
Pressure
kgf/cm2
1.6
1.4
1.8
Stop lever angle_03
Pump speed
r/min
750
750
750
Pressure
kPa
313.5
284
343
Pressure
kgf/cm2
3.2
2.9
3.5
Stop lever angle_04
Pump speed
r/min
1100
1100
1100
Pressure
kPa
411.5
382
441
Pressure
kgf/cm2
4.2
3.9
4.5
0000001101
Pump speed
r/min
750
750
750
Timer stroke
mm
0.8
0.6
1
Basic
*
_02
Pump speed
r/min
750
750
750
Timer stroke
mm
0.8
0.5
1.1
_03
Pump speed
r/min
950
950
950
Timer stroke
mm
1.6
1.2
2
0000001201
Max. applied voltage
V
16
16
16
Test voltage
V
25
24
26
Timing setting
K dimension
mm
3
2.9
3.1
KF dimension
mm
5.2
5.1
5.3
MS dimension
mm
0.7
0.6
0.8
Control lever angle alpha
deg.
25
21
29
Control lever angle beta
deg.
40
35
45
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Komatsu
Komatsu
Komatsu
104761-4131
INJECTION-PUMP ASSEMBLY