106873-7670 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1068737670

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Information injection-pump assembly

ZEXEL 106873-7670 1068737670

Cross reference number

ZEXEL 106873-7670 1068737670

Zexel num

Bosch num

Firm num

Name

106873-7670

INJECTION-PUMP ASSEMBLY

Calibration Data:

Adjustment conditions

Test oil
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

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

RED3 control unit part number 407910-2 470

RED3 rack sensor specifications mm 15

Direction of rotation (viewed from drive side)
Right R

Injection timing adjustment

Direction of rotation (viewed from drive side)
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

Difference between angles 1
Cyl.1-2 deg. 45 44.5 45.5

Difference between angles 2
Cal 1-7 deg. 90 89.5 90.5

Difference between angles 3
Cal 1-3 deg. 135 134.5 135.5

Difference between angles 4
Cal 1-4 deg. 180 179.5 180.5

Difference between angles 5
Cal 1-5 deg. 225 224.5 225.5

Difference between angles 6
Cal 1-6 deg. 270 269.5 270.5

Difference between angles 7
Cal 1-8 deg. 315 314.5 315.5

Injection quantity adjustment

Rack position (10.7)

Vist V 1.86 1.86 1.86

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 125 124 126

Max. variation between cylinders % 0 -3 3

Basic *

Injection quantity adjustment_02

Rack position (6.5)

Vist V 2.7 2.6 2.8

Pump speed r/min 380 380 380

Average injection quantity mm3/st. 16 14 18

Max. variation between cylinders % 0 -15 15

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=(10)deg t1=2.5--sec. t2=2.5--sec.
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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

N:Pump normal S:Stop the pump. (1)Rack position = aa (2)Rack position bb
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aa=16mm bb=1mm
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a=29deg+-5deg b=45deg+-5deg

0000000901

(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)-
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aa=4deg
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a=(50deg)

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 15 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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0000001201 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 (154610-0620) (1)At governor side rack sensor output voltage V1, adjust the bobbin (A) so that the drive side rack sensor output voltage is VR+-0.01. (2)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)
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V1=1V
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