Rating:
Information injection-pump assembly
ZEXEL
106684-4230
1066844230
KOMATSU
6166711750
6166711750
Service parts 106684-4230 INJECTION-PUMP ASSEMBLY:
1.
_
3.
GOVERNOR
5.
AUTOM. ADVANCE MECHANIS
6.
COUPLING PLATE
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
6162-14-3300
12.
Open Pre:MPa(Kqf/cm2)
26.0{265}
15.
NOZZLE SET
Include in #1:
106684-4230
as INJECTION-PUMP ASSEMBLY
Cross reference number
ZEXEL
106684-4230
1066844230
KOMATSU
6166711750
6166711750
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
105780-8130
Bosch type code
EFEP215A
Nozzle
105780-0050
Bosch type code
DN6TD119NP1T
Nozzle holder
105780-2090
Bosch type code
EFEP215
Opening pressure
MPa
17.2
Opening pressure
kgf/cm2
175
Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-4-1000
Outer diameter - inner diameter - length (mm) mm 8-4-1000
Overflow valve
131425-1620
Overflow valve opening pressure
kPa
255
221
289
Overflow valve opening pressure
kgf/cm2
2.6
2.25
2.95
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
2.8
2.75
2.85
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
14.8
Pump speed
r/min
500
500
500
Average injection quantity
mm3/st.
503
498
508
Max. variation between cylinders
%
0
-3
3
Basic
*
Fixing the rack
*
Remarks
Standard point A's rack position same as 106682-9360 in row L
Standard point A's rack position same as 106682-9360 in row L
Injection quantity adjustment_02
Adjusting point
-
Rack position
6.8+-0.5
Pump speed
r/min
400
400
400
Average injection quantity
mm3/st.
12.5
11
14
Max. variation between cylinders
%
0
-15
15
Fixing the rack
*
Injection quantity adjustment_03
Remarks
Rack limit setting R = 17+0.2
Rack limit setting R = 17+0.2
Test data Ex:
Timing setting
(1)Pump vertical direction
(2)Position of spline gear's aligning mark at No 1 cylinder's beginning of injection (key position)
(3)B.T.D.C.: aa
(4)-
----------
aa=(20deg)
----------
a=(130deg)
----------
aa=(20deg)
----------
a=(130deg)