Rating:
Information injection-pump assembly
ZEXEL
106873-7251
1068737251
Service parts 106873-7251 INJECTION-PUMP ASSEMBLY:
1.
_
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
ME093733
12.
Open Pre:MPa(Kqf/cm2)
15.7{160}/21.6{220}
14.
NOZZLE
Include in #1:
106873-7251
as INJECTION-PUMP ASSEMBLY
Cross reference number
ZEXEL
106873-7251
1068737251
Zexel num
Bosch num
Firm num
Name
106873-7251
INJECTION-PUMP ASSEMBLY
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
105780-8250
Bosch type code
1 688 901 101
Nozzle
105780-0120
Bosch type code
1 688 901 990
Nozzle holder
105780-2190
Opening pressure
MPa
20.7
Opening pressure
kgf/cm2
211
Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-3-600
Outer diameter - inner diameter - length (mm) mm 8-3-600
Overflow valve
131425-0220
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
255
255
255
Tester oil delivery pressure
kgf/cm2
2.6
2.6
2.6
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
1-2-7-3-
4-5-6-8
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
Cyl.1-2 deg. 45 44.5 45.5
Cyl.1-2 deg. 45 44.5 45.5
Difference between angles 2
Cal 1-7 deg. 90 89.5 90.5
Cal 1-7 deg. 90 89.5 90.5
Difference between angles 3
Cal 1-3 deg. 135 134.5 135.5
Cal 1-3 deg. 135 134.5 135.5
Difference between angles 4
Cal 1-4 deg. 180 179.5 180.5
Cal 1-4 deg. 180 179.5 180.5
Difference between angles 5
Cal 1-5 deg. 225 224.5 225.5
Cal 1-5 deg. 225 224.5 225.5
Difference between angles 6
Cal 1-6 deg. 270 269.5 270.5
Cal 1-6 deg. 270 269.5 270.5
Difference between angles 7
Cal 1-8 deg. 315 314.5 315.5
Cal 1-8 deg. 315 314.5 315.5
Injection quantity adjustment
Adjusting point
-
Rack position
11.6
Pump speed
r/min
700
700
700
Each cylinder's injection qty
mm3/st.
116
112.5
119.5
Basic
*
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_02
Adjusting point
Z
Rack position
8+-0.5
Pump speed
r/min
480
480
480
Each cylinder's injection qty
mm3/st.
14
11.9
16.1
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(11.6)
Pump speed
r/min
700
700
700
Average injection quantity
mm3/st.
116
115
117
Basic
*
Fixing the lever
*
Injection quantity adjustment_04
Adjusting point
B
Rack position
R1+1.2
Pump speed
r/min
1100
1100
1100
Average injection quantity
mm3/st.
123.5
119.5
127.5
Fixing the lever
*
Injection quantity adjustment_05
Adjusting point
C
Rack position
(R1-0.55
)
Pump speed
r/min
500
500
500
Average injection quantity
mm3/st.
112.5
108.5
116.5
Fixing the lever
*
Timer adjustment
Pump speed
r/min
900--
Advance angle
deg.
0
0
0
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
850
Advance angle
deg.
0.5
Timer adjustment_03
Pump speed
r/min
1100
Advance angle
deg.
3
2.5
3.5
Remarks
Finish
Finish
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Torque cam stamping: T1
(2)Tolerance for racks not indicated: +-0.05mm.
(3)Damper spring setting
----------
T1=AC91
----------
----------
T1=AC91
----------
Speed control lever angle
F:Full speed
I:Idle
(1)Use the hole at R = aa
(2)Stopper bolt set position 'H'
(3)Viewed from feed pump side.
----------
aa=37.5mm
----------
a=32deg+-5deg b=35.5deg+-3deg
----------
aa=37.5mm
----------
a=32deg+-5deg b=35.5deg+-3deg
Stop lever angle
N:Pump normal
S:Stop the pump.
(1)Use the hole at R = aa
(2)Set the stopper bolt so that speed = bb and rack position = cc. (Confirm non-injection.)
(3)Normal engine position (equivalent to R = dd).
----------
aa=54mm bb=1100r/min cc=3+-0.3mm dd=17.5mm
----------
a=41deg+-5deg b=5.5deg+-5deg c=(31deg)
----------
aa=54mm bb=1100r/min cc=3+-0.3mm dd=17.5mm
----------
a=41deg+-5deg b=5.5deg+-5deg c=(31deg)
0000001501 MICRO SWITCH
Adjustment of the micro-switch
Adjust the bolt to obtain the following lever position when the micro-switch is ON.
(1)Speed N1
(2)Rack position Ra
----------
N1=335r/min Ra=7.9+-0.1mm
----------
----------
N1=335r/min Ra=7.9+-0.1mm
----------
Timing setting
(1)Pump vertical direction
(2)Coupling's key groove position at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=10deg
----------
a=(40deg)
----------
aa=10deg
----------
a=(40deg)
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Mitsubishi
Mitsubishi
Mitsubishi
Mitsubishi
106873-7251
INJECTION-PUMP ASSEMBLY