Rating:
Information injection-pump assembly
ZEXEL
101402-3451
1014023451
KOMATSU
6131721211
6131721211
Service parts 101402-3451 INJECTION-PUMP ASSEMBLY:
1.
_
2.
FUEL INJECTION PUMP
3.
GOVERNOR
5.
AUTOM. ADVANCE MECHANIS
6.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
6137-12-3100
12.
Open Pre:MPa(Kqf/cm2)
22.1{225}
15.
NOZZLE SET
Cross reference number
ZEXEL
101402-3451
1014023451
KOMATSU
6131721211
6131721211
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 6-2-600
Outer diameter - inner diameter - length (mm) mm 6-2-600
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
1-2-4-3
Pre-stroke
mm
3.5
3.45
3.55
Beginning of injection position
Governor side NO.1
Governor side NO.1
Difference between angles 1
Cyl.1-2 deg. 90 89.5 90.5
Cyl.1-2 deg. 90 89.5 90.5
Difference between angles 2
Cal 1-4 deg. 180 179.5 180.5
Cal 1-4 deg. 180 179.5 180.5
Difference between angles 3
Cal 1-3 deg. 270 269.5 270.5
Cal 1-3 deg. 270 269.5 270.5
Injection quantity adjustment
Adjusting point
A
Rack position
10.2
Pump speed
r/min
1200
1200
1200
Average injection quantity
mm3/st.
85
83
87
Max. variation between cylinders
%
0
-2
2
Basic
*
Fixing the rack
*
Injection quantity adjustment_02
Adjusting point
B
Rack position
10.7
Pump speed
r/min
700
700
700
Average injection quantity
mm3/st.
83
83
88
Max. variation between cylinders
%
0
-4
4
Fixing the lever
*
Injection quantity adjustment_03
Adjusting point
C
Rack position
4.6+-0.5
Pump speed
r/min
375
375
375
Average injection quantity
mm3/st.
10
8
12
Max. variation between cylinders
%
0
-10
10
Fixing the rack
*
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Target notch: K
----------
K=10
----------
----------
K=10
----------
Speed control lever angle
F:Full speed
I:Idle
S:Stop
----------
----------
a=11deg+-5deg b=32deg+-3deg c=32deg+-5deg
----------
----------
a=11deg+-5deg b=32deg+-3deg c=32deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Position of center of spline's wide tooth at No 1 cylinder's beginning of injection (key position)
(3)B.T.D.C.: aa
(4)-
----------
aa=21deg
----------
a=(30deg)
----------
aa=21deg
----------
a=(30deg)