Information injection-pump assembly
ZEXEL
106873-7721
1068737721
Rating:
Service parts 106873-7721 INJECTION-PUMP ASSEMBLY:
1.
_
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
ME161933
12.
Open Pre:MPa(Kqf/cm2)
15.7{160}/24.5{250}
14.
NOZZLE
Include in #1:
106873-7721
as INJECTION-PUMP ASSEMBLY
Cross reference number
ZEXEL
106873-7721
1068737721
Zexel num
Bosch num
Firm num
Name
106873-7721
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
12.7
Pump speed
r/min
700
700
700
Each cylinder's injection qty
mm3/st.
144
139.7
148.3
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
445
445
445
Each cylinder's injection qty
mm3/st.
16.5
14
19
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(12.7)
Pump speed
r/min
700
700
700
Average injection quantity
mm3/st.
144
143
145
Basic
*
Fixing the lever
*
Injection quantity adjustment_04
Adjusting point
B
Rack position
R1+0.8
Pump speed
r/min
1100
1100
1100
Average injection quantity
mm3/st.
139
135
143
Fixing the lever
*
Injection quantity adjustment_05
Adjusting point
C
Rack position
(R1-0.8)
Pump speed
r/min
500
500
500
Average injection quantity
mm3/st.
139.5
135.5
143.5
Fixing the lever
*
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=AD95
----------
----------
T1=AD95
----------
Timer adjustment
(1)Adjusting range
(2)Step response time
(N): Speed of the pump
(L): Load
(theta) Advance angle
(Srd1) Step response time 1
(Srd2) Step response time 2
1. Adjusting conditions for the variable timer
(1)Adjust the clearance between the pickup and the protrusion to L.
----------
L=1-0.2mm N2=800r/min C2=(10deg) t1=2.5--sec. t2=2.5--sec.
----------
N1=750++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=10+-0.3deg R01=0/4load R02=4/4load
----------
L=1-0.2mm N2=800r/min C2=(10deg) t1=2.5--sec. t2=2.5--sec.
----------
N1=750++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=10+-0.3deg R01=0/4load R02=4/4load
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=30deg+-5deg b=(37deg)+-3deg
----------
aa=37.5mm
----------
a=30deg+-5deg b=(37deg)+-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 (Rack position corresponding to dd)
----------
aa=54mm bb=1100r/min cc=3.5+-0.3mm dd=18mm
----------
a=41deg+-5deg b=5.5deg+-5deg c=(31deg)
----------
aa=54mm bb=1100r/min cc=3.5+-0.3mm dd=18mm
----------
a=41deg+-5deg b=5.5deg+-5deg c=(31deg)
0000001501 RACK SENSOR
(VR) measurement voltage
(I) Part number of the control unit
(G) Apply red paint.
(H): End surface of the pump
1. Rack sensor adjustment (-0620)
(1)Fix the speed control lever at the full position
(2)Set the speed to N1 r/min.
(If the boost compensator is provided, apply boost pressure.)
(3)Adjust the bobbin (A) so that the rack sensor's output voltage is VR+-0.01.
(4)At that time, rack position must be Ra.
(5)Apply G at two places.
Connecting part between the joint (B) and the nut (F)
Connecting part between the joint (B) and the end surface of the pump (H)
----------
N1=1100r/min Ra=R1(12.7)+0.8mm
----------
----------
N1=1100r/min Ra=R1(12.7)+0.8mm
----------
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=6deg
----------
a=(50deg)
----------
aa=6deg
----------
a=(50deg)
Information:
Guidelines For Reusable Parts; Valves And Valve Springs, Forms SEBF8002 and SEBF8034 have the procedure and specifications necessary for checking used valves and valve springs.(1) Springs (Inner And Outer):Inner Valve Spring (4W2472): Assembled length ... 50.24 mm (1.978 in)Load at assembled length ... 178 18 N (40.1 4.1 lb)Operating length (min) ... 35.97 mm (1.416 in)Load at min operating length ... 343 17 N (77.2 3.8 lb)Free length after test ... 65.7 mm (2.60 in)Outside diameter ... 25.13 mm (.989 in)Outer Valve Spring (4W2471): Assembled length ... 53.24 mm (2.096 in)Load at assembled length ... 245 24 N (55.1 5.4 lb)Operating length (min) ... 38.96 mm (1.534 in) Load at min operating length ... 805 40 N (181.1 9.0 lb)Free length after test ... 59.5 mm (2.34 in)Outside diameter ... 37.31 mm (1.469 in) The following springs (inner and outer) are used on the exhaust valves with the 70 PSI Williams Blue-Ox Exhaust Brake.Inner Valve Spring (9Y3327): Assembled length ... 50.24 mm (1.978 in)Load at assembled length ... 264 26 N (59.4 5.9 lb)Operating length (min) ... 36.14 mm (1.423 in)Load at min operating length ... 445 22 N (100.1 5.0 lb)Free length after test ... 70.9 mm (2.79 in)Outside diameter ... 29.83 mm (1.174 in)Outer Valve Spring (9Y3326): Assembled length ... 53.24 mm (2.096 in)Load at assembled length ... 521 52 N (117.2 11.7 lb)Operating length (min) ... 38.96 mm (1.534 in)Load at min operating length ... 992 50 N (223.2 11.3 lb)Free length after test ... 69.04 mm (2.718 in)Outside diameter ... 42.61 mm (1.678 in)(2) Height to top of valve guide ... 32.3 0.8 mm (1.27 .03 in)(3) Diameter of valve stem (new) ... 9.441 0.008 mm (.3717 .0003 in) Coat the intake and exhaust valve stems with 8T2998 Camshaft Lubricant prior to installation in the cylinder head.Use again minimum:1W3860 Exhaust ... 9.408 mm (.3704 in)2W2622 Intake ... 9.408 mm (.3704 in)Bore in valve guide with guide installed in the head (new) ... 9.487
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Mitsubishi
Mitsubishi
106873-7721
INJECTION-PUMP ASSEMBLY