104740-4790 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1047404790

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 104740-4790 1047404790

Cross reference number

ZEXEL 104740-4790 1047404790

Zexel num

Bosch num

Firm num

Name

104740-4790
104740-4791

NISSAN-DIESEL

INJECTION-PUMP ASSEMBLY
SD25 *

Calibration Data:

Adjustment conditions

Test oil
1404 Test oil ISO4113orSAEJ967d

Test oil temperature degC 45 45 50

Nozzle 105000-2010

Bosch type code NP-DN12SD12TT

Nozzle holder 105780-2080

Opening pressure MPa 14.7 14.7 15.19

Opening pressure kgf/cm2 150 150 155

Injection pipe
Inside diameter - outside diameter - length (mm) mm 2-6-840

Transfer pump pressure kPa 20 20 20

Transfer pump pressure kgf/cm2 0.2 0.2 0.2

Direction of rotation (viewed from drive side)
Right R

Injection timing adjustment

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 40.4 39.9 40.9

Difference in delivery mm3/st. 3

Basic *

Injection timing adjustment_02

Pump speed r/min 2350 2350 2350

Average injection quantity mm3/st. 14.7 11.2 18.2

Injection timing adjustment_03

Pump speed r/min 2100 2100 2100

Average injection quantity mm3/st. 35.7 33.6 37.8

Injection timing adjustment_04

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 40.4 39.4 41.4

Injection timing adjustment_05

Pump speed r/min 600 600 600

Average injection quantity mm3/st. 38.5 36.5 40.5

Injection quantity adjustment

Pump speed r/min 2350 2350 2350

Average injection quantity mm3/st. 14.7 11.7 17.7

Basic *

Injection quantity adjustment_02

Pump speed r/min 2450 2450 2450

Average injection quantity mm3/st. 5

Governor adjustment

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 6.5 4.5 8.5

Difference in delivery mm3/st. 2

Basic *

Governor adjustment_02

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 6.5 4.5 8.5

Governor adjustment_03

Pump speed r/min 400 400 400

Average injection quantity mm3/st. 3

Timer adjustment

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 62.5 45 80

Basic *

Speed control lever angle

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 0 0 0

Remarks
Magnet OFF

0000000901

Pump speed r/min 1000 1000 1000

Overflow quantity cm3/min 180 48 312

Stop lever angle

Pump speed r/min 1000 1000 1000

Pressure kPa 421.5 392 451

Pressure kgf/cm2 4.3 4 4.6

Basic *

Stop lever angle_02

Pump speed r/min 600 600 600

Pressure kPa 333.5 304 363

Pressure kgf/cm2 3.4 3.1 3.7

Stop lever angle_03

Pump speed r/min 1000 1000 1000

Pressure kPa 421.5 392 451

Pressure kgf/cm2 4.3 4 4.6

Stop lever angle_04

Pump speed r/min 2100 2100 2100

Pressure kPa 676.5 647 706

Pressure kgf/cm2 6.9 6.6 7.2

0000001101

Pump speed r/min 1000 1000 1000

Timer stroke mm 1.7 1.5 1.9

Basic *

_02

Pump speed r/min 1000 1000 1000

Timer stroke mm 1.7 1.4 2

_03

Pump speed r/min 1400 1400 1400

Timer stroke mm 3.3 2.7 3.9

_04

Pump speed r/min 2100 2100 2100

Timer stroke mm 6.2 5.6 6.8

0000001201

Max. applied voltage V 8 8 8

Test voltage V 13 12 14

Timing setting

K dimension mm 3.3 3.2 3.4

KF dimension mm 5.75 5.65 5.85

MS dimension mm 1.2 1.1 1.3

Pre-stroke mm 0.28 0.26 0.3

Control lever angle alpha deg. 25 21 29

Control lever angle beta deg. 42 37 47

Test data Ex:

0000001801 W-CSD ADJUSTMENT

Adjustment of the W-CSD 1. Adjustment of the advance angle of the timer (1)Determine the timer advance angle from the graph in Fig. 3 (Q). (2)(1) Adjust with the screw (A) so that the timer advance angle determined in the item (1) is obtained. 2. Setting the intermediate lever position (refer to fig 1 and fig 2) (1)Insert a block gauge L1 between the idling set screw (G) and the control lever (F). (2)Align the intermediate lever (D) with the aligning line and position it perpendicularly. Adjust the screw (E) so that it contacts the control lever (F) and then tighten the nut. 3. W-CSD lever adjustment [refer to fig 1 (O) and fig 2 (P)] (1)Insert a block gauge (I) L2 determined from the graph (L-theta) in figure 3 (Q) between the idling set screw (G) and the control lever (F). (2)Fix screw (B) so that the W-CSD lever (C)'s roller contacts the intermediate lever (D). (Wax temperature at adjustment must not exceed a.) Adjust the screw (B) until the screw (F) contacts the control lever (G). Then fix locknut (A). Note: When inserting the block gauge, separate lever (C) and (D) using screw (B) to prevent excessive force on the lever. Q = aligning mark S = intermediate lever perpendicular position X:Temperature theta (X) Y1:Timer stroke TA (mm) Y2:Control lever L dimension (mm; control lever position) J:Graph TA-X: -10 <= X (deg C) <= 20: TA = -0.055X + 1.1 20 <= X (deg C) <= 40: TA = -0.0333X + 0.66 K:Graph L-X: -10 <= X (deg C) <= 20: L = -0.0867X + 3.63 20 <= X (deg C) <= 40: L = -0.075 t + 3.4
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L1=1.9+-0.05mm L2=L1+-0.05mm a=30degC
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L1=1.9+-0.05mm

0000001901 ACCELERATOR SWITCH ADJ

Accelerator switch adjustment ON - OFF changeover point: from idle to a (shim thickness A = L) Idle~c: ON c~full: OFF A = shim thickness B = idle lever position
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a=20+-3deg b=20deg c=20deg L1=12.9mm
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a=20+-3deg d=25+-4deg SW=SW10 T=6~9N-m(0.6~0.9kgf-m) L1=12.9mm