Rating:
Information injection-pump assembly
ZEXEL
106891-1533
1068911533
ISUZU
1156031882
1156031882
Cross reference number
ZEXEL
106891-1533
1068911533
ISUZU
1156031882
1156031882
Zexel num
Bosch num
Firm num
Name
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
105780-8250
Bosch type code
1 688 901 101
Nozzle
105780-0120
Bosch type code
1 688 901 990
Nozzle holder
105780-2190
Opening pressure
MPa
20.7
Opening pressure
kgf/cm2
211
Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-3-600
Outer diameter - inner diameter - length (mm) mm 8-3-600
Overflow valve
134424-4320
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
407910-3
960
RED3 rack sensor specifications
mm
19
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
1-8-7-3-
6-5-4-2
Pre-stroke
mm
5.5
5.47
5.53
Rack position
Point A R=A
Point A R=A
Beginning of injection position
Governor side NO.1
Governor side NO.1
Difference between angles 1
Cal 1-8 deg. 45 44.75 45.25
Cal 1-8 deg. 45 44.75 45.25
Difference between angles 2
Cal 1-7 deg. 90 89.75 90.25
Cal 1-7 deg. 90 89.75 90.25
Difference between angles 3
Cal 1-3 deg. 135 134.75 135.25
Cal 1-3 deg. 135 134.75 135.25
Difference between angles 4
Cal 1-6 deg. 180 179.75 180.25
Cal 1-6 deg. 180 179.75 180.25
Difference between angles 5
Cal 1-5 deg. 225 224.75 225.25
Cal 1-5 deg. 225 224.75 225.25
Difference between angles 6
Cal 1-4 deg. 270 269.75 270.25
Cal 1-4 deg. 270 269.75 270.25
Difference between angles 7
Cyl.1-2 deg. 315 314.75 315.25
Cyl.1-2 deg. 315 314.75 315.25
Injection quantity adjustment
Rack position
(12.1)
Vist
V
2.04
2.04
2.04
Pump speed
r/min
700
700
700
Average injection quantity
mm3/st.
148
147
149
Max. variation between cylinders
%
0
-3
3
Basic
*
Remarks
Point A
Point A
Injection quantity adjustment_02
Rack position
(6.2)
Vist
V
2.9
2.8
3
Pump speed
r/min
425
425
425
Average injection quantity
mm3/st.
13.5
11.5
15.5
Max. variation between cylinders
%
0
-13
13
Test data Ex:
Governor adjustment
(1)Adjusting range
(2)Step response time
(N): Speed of the pump
(L): Load
(theta) Advance angle
(Srd1) Step response time 1
(Srd2) Step response time 2
1. Adjusting conditions for the variable timer
(1)Adjust the clearance between the pickup and the protrusion to L.
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L=1-0.2mm N2=800r/min C2=(8)deg t1=1.5--sec. t2=1.5--sec.
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N1=950++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=8+-0.3deg R01=0/4load R02=4/4load
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L=1-0.2mm N2=800r/min C2=(8)deg t1=1.5--sec. t2=1.5--sec.
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N1=950++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=8+-0.3deg R01=0/4load R02=4/4load
Speed control lever angle
N:Pump normal
S:Stop the pump.
(1)Rack position = aa
(2)Rack position bb
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aa=20mm bb=1mm
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a=37deg+-5deg b=37deg+-5deg
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aa=20mm bb=1mm
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a=37deg+-5deg b=37deg+-5deg
0000000901
(1)Pump vertical direction
(2)Position of "Z" mark at the No 1 cylinder's beginning of injection (governor side)
(3)B.T.D.C.: aa
(4)-
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aa=4deg
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a=(180deg)
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aa=4deg
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a=(180deg)
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 19 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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