Rating:
Information injection-pump assembly
ZEXEL
106672-4970
1066724970
NIIGATA-URAWA
W2B47050A
w2b47050a
Cross reference number
ZEXEL
106672-4970
1066724970
NIIGATA-URAWA
W2B47050A
w2b47050a
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
134424-1420
Overflow valve opening pressure
kPa
162
147
177
Overflow valve opening pressure
kgf/cm2
1.65
1.5
1.8
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)
Left L
Left L
Injection timing adjustment
Direction of rotation (viewed from drive side)
Left L
Left L
Injection order
1-4-2-6-
3-5
Pre-stroke
mm
3.9
3.85
3.95
Beginning of injection position
Governor side NO.1
Governor side NO.1
Difference between angles 1
Cal 1-4 deg. 60 59.5 60.5
Cal 1-4 deg. 60 59.5 60.5
Difference between angles 2
Cyl.1-2 deg. 120 119.5 120.5
Cyl.1-2 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
Cal 1-3 deg. 240 239.5 240.5
Cal 1-3 deg. 240 239.5 240.5
Difference between angles 5
Cal 1-5 deg. 300 299.5 300.5
Cal 1-5 deg. 300 299.5 300.5
Injection quantity adjustment
Adjusting point
A
Rack position
14.4
Pump speed
r/min
750
750
750
Average injection quantity
mm3/st.
226.7
221.7
231.7
Max. variation between cylinders
%
0
-3
3
Basic
*
Fixing the rack
*
Injection quantity adjustment_02
Adjusting point
B
Rack position
13.6
Pump speed
r/min
900
900
900
Average injection quantity
mm3/st.
210.9
205.9
215.9
Max. variation between cylinders
%
0
-4
4
Fixing the rack
*
Injection quantity adjustment_03
Adjusting point
C
Rack position
7.1+-0.5
Pump speed
r/min
250
250
250
Average injection quantity
mm3/st.
30
27
33
Max. variation between cylinders
%
0
-10
10
Fixing the rack
*
Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.
Adjust only variation between cylinders; adjust governor according to governor specifications.
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Target notch: K
(2)RACK LIMIT: RAL
(3)Idle sub spring setting: L1.
----------
K=5 RAL=16.4+0.2mm L1=6.2-0.5mm
----------
----------
K=5 RAL=16.4+0.2mm L1=6.2-0.5mm
----------
Speed control lever angle
F:Full speed
I:Idle
S:Stop
(1)Set the pump speed at aa. ( At delivery )
(2)Set the pump speed at bb.
----------
aa=900r/min bb=750r/min
----------
a=(10deg)+-5deg b=(32deg)+-5deg c=32deg+-3deg d=(8deg)+-5deg
----------
aa=900r/min bb=750r/min
----------
a=(10deg)+-5deg b=(32deg)+-5deg c=32deg+-3deg d=(8deg)+-5deg
Stop lever angle
N:Pump normal
S:Stop the pump.
----------
----------
a=42deg+-5deg b=82deg+-5deg
----------
----------
a=42deg+-5deg b=82deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Coupling's key groove position at No 1 cylinder's beginning of injection
(3)-
(4)-
----------
----------
a=(20deg)
----------
----------
a=(20deg)