Rating:
Information injection-pump assembly
BOSCH
F 019 Z20 272
f019z20272
ZEXEL
106871-9250
1068719250
Cross reference number
BOSCH
F 019 Z20 272
f019z20272
ZEXEL
106871-9250
1068719250
Zexel num
Bosch num
Firm num
Name
106871-9250
F 019 Z20 272
DPICO
INJECTION-PUMP ASSEMBLY
8DC9 Q
8DC9 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 8-3-600
Outer diameter - inner diameter - length (mm) mm 8-3-600
Overflow valve
134424-1320
Overflow valve opening pressure
kPa
157
123
191
Overflow valve opening pressure
kgf/cm2
1.6
1.25
1.95
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
1-2-7-3-
4-5-6-8
Pre-stroke
mm
4.8
4.75
4.85
Beginning of injection position
Governor side NO.1
Governor side NO.1
Difference between angles 1
Cyl.1-2 deg. 45 44.5 45.5
Cyl.1-2 deg. 45 44.5 45.5
Difference between angles 2
Cal 1-7 deg. 90 89.5 90.5
Cal 1-7 deg. 90 89.5 90.5
Difference between angles 3
Cal 1-3 deg. 135 134.5 135.5
Cal 1-3 deg. 135 134.5 135.5
Difference between angles 4
Cal 1-4 deg. 180 179.5 180.5
Cal 1-4 deg. 180 179.5 180.5
Difference between angles 5
Cal 1-5 deg. 225 224.5 225.5
Cal 1-5 deg. 225 224.5 225.5
Difference between angles 6
Cal 1-6 deg. 270 269.5 270.5
Cal 1-6 deg. 270 269.5 270.5
Difference between angles 7
Cal 1-8 deg. 315 314.5 315.5
Cal 1-8 deg. 315 314.5 315.5
Injection quantity adjustment
Adjusting point
-
Rack position
9
Pump speed
r/min
700
700
700
Each cylinder's injection qty
mm3/st.
98.5
95.5
101.5
Basic
*
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_02
Adjusting point
F
Rack position
5.8+-0.5
Pump speed
r/min
450
450
450
Each cylinder's injection qty
mm3/st.
17.5
15.7
19.3
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(9)
Pump speed
r/min
700
700
700
Average injection quantity
mm3/st.
98.5
97.5
99.5
Basic
*
Fixing the lever
*
Injection quantity adjustment_04
Adjusting point
C
Rack position
6.3+-0.5
Pump speed
r/min
225
225
225
Each cylinder's injection qty
mm3/st.
20
14
26
Fixing the rack
*
Remarks
(check)
(check)
Injection quantity adjustment_05
Adjusting point
E
Rack position
-
Pump speed
r/min
100
100
100
Average injection quantity
mm3/st.
130
90
170
Fixing the lever
*
Remarks
After startup boost setting
After startup boost setting
Timer adjustment
Pump speed
r/min
(N1+50)-
-
Advance angle
deg.
0
0
0
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
N1(800)
Advance angle
deg.
0.5
Timer adjustment_03
Pump speed
r/min
(1020)
Advance angle
deg.
4.5
4
5
Remarks
Finish
Finish
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Tolerance for racks not indicated: +-0.05mm.
(2)Excess fuel setting for starting: SXL
(3)Damper spring setting
----------
SXL=9.4+-0.1mm
----------
----------
SXL=9.4+-0.1mm
----------
Speed control lever angle
F:Full speed
----------
----------
a=19.5deg+-5deg
----------
----------
a=19.5deg+-5deg
0000000901
F:Full load
I:Idle
(1)Stopper bolt setting
----------
----------
a=10deg+-5deg b=23.5deg+-3deg
----------
----------
a=10deg+-5deg b=23.5deg+-3deg
Stop lever angle
N:Engine manufacturer's normal use
S:Stop the pump.
(1)Rack position = aa
(2)Stopper bolt setting
(3)Rack position bb
(4)Free (at delivery)
(5)Drive side
(6)R = cc
----------
aa=4-0.5mm bb=(13.2)mm cc=36mm
----------
a=45.5deg+7deg-5deg b=22deg+-5deg c=(10.5deg)
----------
aa=4-0.5mm bb=(13.2)mm cc=36mm
----------
a=45.5deg+7deg-5deg b=22deg+-5deg c=(10.5deg)
0000001501 MICRO SWITCH
Adjustment of the micro-switch
Adjust the bolt to obtain the following lever position when the micro-switch is ON.
(1)Speed N1
(2)Rack position Ra
----------
N1=325r/min Ra=5.8+-0.1mm
----------
----------
N1=325r/min Ra=5.8+-0.1mm
----------
Timing setting
(1)Pump vertical direction
(2)Coupling's key groove position at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=13deg
----------
a=(40deg)
----------
aa=13deg
----------
a=(40deg)
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Dpico
Dpico
106871-9250
F 019 Z20 272
INJECTION-PUMP ASSEMBLY
8DC9
8DC9