Rating:
Information injection-pump assembly
ZEXEL
106675-4330
1066754330
KOMATSU
6152721220
6152721220
Cross reference number
ZEXEL
106675-4330
1066754330
KOMATSU
6152721220
6152721220
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
131424-1520
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
1-5-3-6-
2-4
Pre-stroke
mm
3.8
3.75
3.85
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-5 deg. 60 59.5 60.5
Cal 1-5 deg. 60 59.5 60.5
Difference between angles 2
Cal 1-3 deg. 120 119.5 120.5
Cal 1-3 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
Cyl.1-2 deg. 240 239.5 240.5
Cyl.1-2 deg. 240 239.5 240.5
Difference between angles 5
Cal 1-4 deg. 300 299.5 300.5
Cal 1-4 deg. 300 299.5 300.5
Injection quantity adjustment
Adjusting point
A
Rack position
9.5
Pump speed
r/min
975
975
975
Average injection quantity
mm3/st.
177.5
173.5
181.5
Max. variation between cylinders
%
0
-3
3
Basic
*
Fixing the lever
*
Boost pressure
kPa
64
64
Boost pressure
mmHg
480
480
Injection quantity adjustment_02
Adjusting point
C
Rack position
5.7+-0.5
Pump speed
r/min
400
400
400
Average injection quantity
mm3/st.
11
9.5
12.5
Max. variation between cylinders
%
0
-15
15
Fixing the rack
*
Boost pressure
kPa
0
0
0
Boost pressure
mmHg
0
0
0
Injection quantity adjustment_03
Adjusting point
E
Rack position
10+0.2
Pump speed
r/min
100
100
100
Average injection quantity
mm3/st.
165
145
185
Fixing the lever
*
Boost pressure
kPa
0
0
0
Boost pressure
mmHg
0
0
0
Rack limit
*
Boost compensator adjustment
Pump speed
r/min
600
600
600
Rack position
R1-1.45
Boost pressure
kPa
14.7
12
17.4
Boost pressure
mmHg
110
90
130
Boost compensator adjustment_02
Pump speed
r/min
600
600
600
Rack position
R1(9.5)
Boost pressure
kPa
50.7
44
57.4
Boost pressure
mmHg
380
330
430
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Target notch: K
(2)Tolerance for racks not indicated: +-0.05mm.
(3)RACK LIMIT: RAL
(4)Boost compensator stroke: BCL
(5)Rack difference between N = N1 and N = N2
----------
K=10 RAL=10+0.2mm BCL=1.45+-0.1mm N1=975r/min N2=230r/min
----------
----------
K=10 RAL=10+0.2mm BCL=1.45+-0.1mm N1=975r/min N2=230r/min
----------
Speed control lever angle
F:Full speed
I:Idle
(1)Stopper bolt setting
----------
----------
a=3deg+-5deg b=20deg+-5deg
----------
----------
a=3deg+-5deg b=20deg+-5deg
Stop lever angle
N:Pump normal
S:Stop the pump.
(1)Rack position = aa, speed = bb (stamp at delivery)
----------
aa=1-0.5mm bb=0r/min
----------
a=33deg+-5deg b=70deg+-5deg
----------
aa=1-0.5mm bb=0r/min
----------
a=33deg+-5deg b=70deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Coupling's key groove position at No 1 cylinder's beginning of injection
(3)-
(4)-
----------
----------
a=(150deg)
----------
----------
a=(150deg)