Information injection-pump assembly
ZEXEL
106871-5661
1068715661
NISSAN-DIESEL
1680197610
1680197610
Rating:
Cross reference number
ZEXEL
106871-5661
1068715661
NISSAN-DIESEL
1680197610
1680197610
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
105780-8250
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
131425-0120
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
RED3 control unit part number
407910-3
960
RED3 rack sensor specifications
mm
19
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
1-8-7-5-
4-3-6-2
Pre-stroke
mm
3.9
3.87
3.93
Beginning of injection position
Governor side NO.1
Governor side NO.1
Difference between angles 1
Cal 1-8 deg. 45 44.75 45.25
Cal 1-8 deg. 45 44.75 45.25
Difference between angles 2
Cal 1-7 deg. 90 89.75 90.25
Cal 1-7 deg. 90 89.75 90.25
Difference between angles 3
Cal 1-5 deg. 135 134.75 135.25
Cal 1-5 deg. 135 134.75 135.25
Difference between angles 4
Cal 1-4 deg. 180 179.75 180.25
Cal 1-4 deg. 180 179.75 180.25
Difference between angles 5
Cal 1-3 deg. 225 224.75 225.25
Cal 1-3 deg. 225 224.75 225.25
Difference between angles 6
Cal 1-6 deg. 270 269.75 270.25
Cal 1-6 deg. 270 269.75 270.25
Difference between angles 7
Cyl.1-2 deg. 315 314.75 315.25
Cyl.1-2 deg. 315 314.75 315.25
Injection quantity adjustment
Rack position
(13.7)
Vist
V
1.8
1.8
1.8
Pump speed
r/min
600
600
600
Average injection quantity
mm3/st.
141.5
139.5
143.5
Max. variation between cylinders
%
0
-4
4
Basic
*
Injection quantity adjustment_02
Rack position
(9)
Vist
V
2.5
2.4
2.6
Pump speed
r/min
330
330
330
Average injection quantity
mm3/st.
16
14
18
Max. variation between cylinders
%
0
-10
10
Test data Ex:
Governor 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.
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L=1-0.2mm N2=800r/min C2=(9)deg t1=1.7--sec. t2=1.7--sec.
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N1=1000++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=9+-0.3deg R01=0/4load R02=4/4load
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L=1-0.2mm N2=800r/min C2=(9)deg t1=1.7--sec. t2=1.7--sec.
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N1=1000++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=9+-0.3deg R01=0/4load R02=4/4load
Speed control lever angle
N:Pump normal
S:Stop the pump.
(1)Rack position = aa
(2)Rack position bb
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aa=20mm bb=1mm
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a=27deg+-5deg b=37deg+-5deg
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aa=20mm bb=1mm
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a=27deg+-5deg b=37deg+-5deg
0000000901
(1)Pump vertical direction
(2)Position of the coupling's key groove at the beginning of injection of the No. 8 cylinder.
(3)-
(4)-
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a=(90deg)
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a=(90deg)
Stop lever angle
(Rs) rack sensor specifications
(C/U) control unit part number
(V) Rack sensor output voltage
(R) Rack position (mm)
1. Confirming governor output characteristics (rack 19 mm, span 6 mm)
(1)When the output voltages of the rack sensor are V1 and V2, check that the rack positions R1 and R2 in the table above are satisfied.
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Information:
(1) 4N5906 Spring for valves (new): Length under test force ... 54.99 mm (2.165 in.)Test force ... 344 34 N (77 7.6 lb.)Use again minimum load at length under test force ... 291 N (65.4 lb.)Length of spring at valve open position ... 42.93 mm (1.690 in.)Use again minimum load at valve open position ... 817 N (183.6 lb.)Free length after test ... 62.7 mm (2.47 in.)Outside diameter ... 31.75 mm (1.250 in.)Spring must not be bent more than ... 2.18 mm (.086 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.) Use again minimum diameter of intake and exhaust valve stem ... 9.408 mm (.3704 in.)7N2271 Exhaust Valve - Do not use again.Bore in valve guide with guide installed in the head (new) ... 9.487 0.025 mm (.3735 .0010 in.)(4) Diameter of valve head: Exhaust valve ... 41.81 0.13 mm (1.646 .005 in.)Intake valve ... 44.98 0.13 mm (1.771 .005 in.)(5) Angle of intake valve face ... 29 1/4 1/4°Angle of exhaust valve face ... 44 1/4 1/4° (6) Depth of bore in head for valve seat insert (new) ... 13.01 0.38 mm (.512 .015 in.)(7) Diameter of valve seat insert for exhaust valve ... 42.850 0.013 mm (1.6870 .0005 in.) Bore in head for valve seat insert for exhaust valve ... 42.774 0.025 mm (1.6840 .0010 in.)(7) Diameter of valve seat insert for intake valve ... 46.025 0.013 mm (1.8120 .0005 in.) Bore in head for valve seat insert for intake valve ... 45.949 0.025 mm (1.8090 .0010 in.)(8) Angle of face of intake valve seat insert ... 30 1/4 1/2°Angle of face of exhaust valve seat insert ... 44 3/4 1/2°(9) Dimension from end of closed valve to machined face of head. Maximum permissible dimension:Below (recessed from) machined face ... 1.22 mm (.048 in.)Above (extended from) machined face ... 0.20 mm (.008 in.)(10) Outside diameter of the face of the valve seat insert: Exhaust seat ... 40.41 0.13 mm (1.591 .005 in.)Intake seat ... 44.04 0.13 mm (1.734 .005 in.)(11) "Use again" thickness of valve lip: Exhaust valve ... 2.03 mm (.080 in.)Intake valve ... 2.51 mm (.099 in.)