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Information injection-pump assembly
ZEXEL
106675-4830
1066754830
Cross reference number
ZEXEL
106675-4830
1066754830
Zexel num
Bosch num
Firm num
Name
106675-4830
INJECTION-PUMP ASSEMBLY
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
131425-1620
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
255
255
255
Tester oil delivery pressure
kgf/cm2
2.6
2.6
2.6
RED3 control unit part number
407910-2
470
RED3 rack sensor specifications
mm
15
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
1-5-3-6-
2-4
Pre-stroke
mm
4.5
4.45
4.55
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-5 deg. 60 59.5 60.5
Cal 1-5 deg. 60 59.5 60.5
Difference between angles 2
Cal 1-3 deg. 120 119.5 120.5
Cal 1-3 deg. 120 119.5 120.5
Difference between angles 3
Cal 1-6 deg. 180 179.5 180.5
Cal 1-6 deg. 180 179.5 180.5
Difference between angles 4
Cyl.1-2 deg. 240 239.5 240.5
Cyl.1-2 deg. 240 239.5 240.5
Difference between angles 5
Cal 1-4 deg. 300 299.5 300.5
Cal 1-4 deg. 300 299.5 300.5
Injection quantity adjustment
Rack position
(10.1)
Vist
V
1.98
1.98
1.98
Pump speed
r/min
900
900
900
Average injection quantity
mm3/st.
125.5
124
127
Max. variation between cylinders
%
0
-3
3
Basic
*
Injection quantity adjustment_02
Rack position
(6.6)
Vist
V
2.7
2.6
2.8
Pump speed
r/min
410
410
410
Average injection quantity
mm3/st.
12.5
11.3
13.7
Max. variation between cylinders
%
0
-15
15
Injection quantity adjustment_03
Remarks
Rack limit setting V = 0.9-0.04
Rack limit setting V = 0.9-0.04
Test data Ex:
Speed control lever angle
N:Pump normal
S:Stop the pump.
(1)Vist = aa, (rack position = bb)
(2)Rack position = cc
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aa=0.8V bb=16mm cc=1mm
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a=19deg+-5deg b=29deg+-5deg
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aa=0.8V bb=16mm cc=1mm
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a=19deg+-5deg b=29deg+-5deg
0000000901
(1)Pump vertical direction
(2)Position of camshaft's key groove at No 1 cylinder's beginning of injection
(3)-
(4)-
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a=(60deg)
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a=(60deg)
Stop lever angle
(Rs) rack sensor specifications
(C/U) control unit part number
(V) Rack sensor output voltage
(R) Rack position (mm)
1. Confirming governor output characteristics (rack 15 mm, span 6 mm)
(1)When the output voltages of the rack sensor are V1 and V2, check that the rack positions R1 and R2 in the table above are satisfied.
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Komatsu
Komatsu
106675-4830
INJECTION-PUMP ASSEMBLY