Rating:
Information injection-pump assembly
ZEXEL
108621-1052
1086211052
ISUZU
1156028212
1156028212
Service parts 108621-1052 INJECTION-PUMP ASSEMBLY:
1.
_
7.
COUPLING PLATE
9.
_
11.
Nozzle and Holder
1-15300-286-1
12.
Open Pre:MPa(Kqf/cm2)
24.5{250}
15.
NOZZLE SET
Include in #1:
108621-1052
as INJECTION-PUMP ASSEMBLY
Cross reference number
ZEXEL
108621-1052
1086211052
ISUZU
1156028212
1156028212
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
105780-8140
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
131424-7120
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
RED3 control unit part number
407910-3
960
RED3 rack sensor specifications
mm
19
PS/ACT control unit part no.
407980-2
24*
Digi switch no.
32
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
6.4
6.37
6.43
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-5 deg. 60 59.75 60.25
Cal 1-5 deg. 60 59.75 60.25
Difference between angles 2
Cal 1-3 deg. 120 119.75 120.25
Cal 1-3 deg. 120 119.75 120.25
Difference between angles 3
Cal 1-6 deg. 180 179.75 180.25
Cal 1-6 deg. 180 179.75 180.25
Difference between angles 4
Cyl.1-2 deg. 240 239.75 240.25
Cyl.1-2 deg. 240 239.75 240.25
Difference between angles 5
Cal 1-4 deg. 300 299.75 300.25
Cal 1-4 deg. 300 299.75 300.25
Injection quantity adjustment
Rack position
(14.6)
Vist
V
1.66
1.66
1.66
Pump speed
r/min
800
800
800
Average injection quantity
mm3/st.
212.2
210.2
214.2
Max. variation between cylinders
%
0
-3
3
Basic
*
PS407980-224*
V
V1+0.05+
-0.01
PS407980-224*
mm
6.3+-0.0
3
Remarks
Refer to items regarding the pre-stroke actuator
Refer to items regarding the pre-stroke actuator
Injection quantity adjustment_02
Rack position
(7.3)
Vist
V
2.8
2.7
2.9
Pump speed
r/min
310
310
310
Average injection quantity
mm3/st.
14.3
11.1
17.5
Max. variation between cylinders
%
0
-13
13
PS407980-224*
V
V1+0.05+
-0.01
PS407980-224*
mm
6.3+-0.0
3
0000001201
Pre-stroke
mm
6.4
6.37
6.43
Remarks
When the timing sleeve is pushed up
When the timing sleeve is pushed up
_02
Connector angle
deg.
8.5
8
9
Remarks
When the eccentric pin is tightened
When the eccentric pin is tightened
_03
Supply voltage
V
24
23.5
24.5
Ambient temperature
degC
23
18
28
Pre-stroke
mm
4
3.95
4.05
Output voltage
V
2.45
2.44
2.46
Adjustment
*
_04
Supply voltage
V
24
23.5
24.5
Ambient temperature
degC
23
18
28
Pre-stroke
mm
6.4
6.37
6.43
Output voltage
V
1.2
1
1.4
Confirmation
*
Remarks
Output voltage V1
Output voltage V1
_05
Supply voltage
V
24
23.5
24.5
Ambient temperature
degC
23
18
28
Pre-stroke
mm
3.4
Output voltage
V
3
2.98
3
Confirmation
*
_06
Supply voltage
V
24
23.5
24.5
Ambient temperature
degC
23
18
28
Output voltage
V
3.05
3.05
Confirmation of operating range
*
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.
----------
L=1-0.2mm N2=800r/min C2=(9)deg t1=- t2=-
----------
N1=860++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=9+-0.3deg R01=0/4load R02=4/4load
----------
L=1-0.2mm N2=800r/min C2=(9)deg t1=- t2=-
----------
N1=860++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=9+-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
----------
aa=1mm bb=20mm
----------
a=17deg+-5deg b=37deg+-5deg
----------
aa=1mm bb=20mm
----------
a=17deg+-5deg b=37deg+-5deg
0000000901
(1)Pump vertical direction
(2)Position of timer's threaded hole at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)Pre-stroke: bb
----------
aa=5deg bb=6.4+-0.03mm
----------
a=(100deg)
----------
aa=5deg bb=6.4+-0.03mm
----------
a=(100deg)
0000001501
A:Sealing position
B:Pre-stroke actuator
1. When installing the pre-stroke actuator on the pump, first tighten the installation bolts loosely, then move the actuator fully counterclockwise (viewed from the drive side).
Temporary tightening torque: 1 - 1.5 N.m (0.1 - 0.15 kgf.m)
2. Move the actuator in the clockwise direction when viewed from the drive side, and adjust so that it becomes the adjustment point of the adjustment value. Then tighten it.
Tightening torque: 7^9 N.m (0.7^0.9 kgf.m)
3. After prestroke actuator installation adjustment, simultaneously stamp both the actuator side and housing side.
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0000001701
(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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