104304-3090 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1043043090 5156013640

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 104304-3090 1043043090

ISUZU 5156013640 5156013640

Service parts 104304-3090 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 104300-4120

3. GOVERNOR

4. SUPPLY PUMP 105248-1030

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105141-2281

11. Nozzle and Holder 5-15300-117-1

12. Open Pre:MPa(Kqf/cm2) 11.8{120}

13. NOZZLE-HOLDER 105071-1380

14. NOZZLE 105000-1860

15. NOZZLE SET

Include in #1:

104304-3090 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 104304-3090 1043043090

ISUZU 5156013640 5156013640

Zexel num

Bosch num

Firm num

Name

104304-3090
104304-3091

5156013640 ISUZU

INJECTION-PUMP ASSEMBLY
4FA1 *

Calibration Data:

Adjustment conditions

Test oil
1404 Test oil ISO4113 or {SAEJ967d}

Test oil temperature degC 40 40 45

Nozzle and nozzle holder 105780-8140

Bosch type code EF8511/9A

Nozzle 105780-0000

Bosch type code DN12SD12T

Nozzle holder 105780-2080

Bosch type code EF8511/9

Opening pressure MPa 17.2

Opening pressure kgf/cm2 175

Injection pipe
Outer diameter - inner diameter - length (mm) mm 6-2-600

Tester oil delivery pressure kPa 157 157 157

Tester oil delivery pressure kgf/cm2 1.6 1.6 1.6

Direction of rotation (viewed from drive side)
Right R

Injection timing adjustment

Direction of rotation (viewed from drive side)
Right R

Injection order 1-3-4-2

Pre-stroke mm 2.1 2.05 2.15

Beginning of injection position
Drive side NO.1

Difference between angles 1
Cal 1-3 deg. 90 89.5 90.5

Difference between angles 2
Cal 1-4 deg. 180 179.5 180.5

Difference between angles 3
Cyl.1-2 deg. 270 269.5 270.5

Injection quantity adjustment

Adjusting point B

Rack position 9.6

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 27.3 26.3 28.3

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point C

Rack position 8+-0.5

Pump speed r/min 375 375 375

Average injection quantity mm3/st. 8.7 7.7 9.7

Max. variation between cylinders % 0 -14 14

Fixing the lever *

Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Set the idle spring. (2)Main spring setting (3)Rack difference between N = N1 and N = N2 (4)Rack difference between N = N3 and N = N4
----------
N1=1100r/min N2=1350r/min N3=1350r/min N4=1000r/min
----------

Speed control lever angle

F:Full speed I:Idle
----------

----------
a=7deg+-3deg b=22deg+-6deg

Timing setting

(1)Pump vertical direction (2)Position of bracket's aligning mark at No 1 cylinder's beginning of injection (engine center line) (3)- (4)-
----------

----------
a=(10deg)