Rating:
Information injection-pump assembly
ZEXEL
106671-4721
1066714721
NIIGATA-URAWA
75L47020B
75l47020b
Service parts 106671-4721 INJECTION-PUMP ASSEMBLY:
1.
_
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
W2C 3231 0A
12.
Open Pre:MPa(Kqf/cm2)
25.5{260}
15.
NOZZLE SET
Include in #1:
106671-4721
as INJECTION-PUMP ASSEMBLY
Cross reference number
ZEXEL
106671-4721
1066714721
NIIGATA-URAWA
75L47020B
75l47020b
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 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)
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
3.05
3
3.1
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
12.7
Pump speed
r/min
1000
1000
1000
Average injection quantity
mm3/st.
259.5
254.5
264.5
Max. variation between cylinders
%
0
-3
3
Basic
*
Fixing the lever
*
Remarks
Rack limit using stop lever.
Rack limit using stop lever.
Injection quantity adjustment_02
Adjusting point
-
Rack position
6.1+-0.5
Pump speed
r/min
310
310
310
Average injection quantity
mm3/st.
18
16.5
19.5
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.
Timer adjustment
Pump speed
r/min
350
Advance angle
deg.
0.5
Timer adjustment_02
Pump speed
r/min
600
Advance angle
deg.
1.6
1.1
2.1
Timer adjustment_03
Pump speed
r/min
800
Advance angle
deg.
5
4.5
5.5
Remarks
Finish
Finish
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Lever ratio: RT
(2)Target shim dimension: TH
(3)Tolerance for racks not indicated: +-0.05mm.
(4)Rack limit using stop lever
(5)Damper spring setting
----------
RT=1 TH=2.6mm
----------
----------
RT=1 TH=2.6mm
----------
Speed control lever angle
F:Full speed
----------
----------
a=(1deg)+-5deg
----------
----------
a=(1deg)+-5deg
0000000901
F:Full load
I:Idle
S:Stop
(1)Rack position aa (pump speed bb r/min )
----------
aa=5.2+-0.1mm bb=0r/min
----------
a=13deg+-5deg b=42.5deg+-3deg c=(13deg)
----------
aa=5.2+-0.1mm bb=0r/min
----------
a=13deg+-5deg b=42.5deg+-3deg c=(13deg)
Stop lever angle
N:Pump normal
S:Stop the pump.
(1)Drive side
(2)Use the hole at R = aa
(3)Rack position bb
----------
aa=50mm bb=12.7mm
----------
a=30.5deg+-5deg b=32.5deg+-5deg
----------
aa=50mm bb=12.7mm
----------
a=30.5deg+-5deg b=32.5deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Coupling's key groove position at No 1 cylinder's beginning of injection
(3)-
(4)-
----------
----------
a=(6deg)
----------
----------
a=(6deg)