101492-0790 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014920790 8971385920

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101492-0790 1014920790

ISUZU 8971385920 8971385920

Service parts 101492-0790 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 101049-8670

3. GOVERNOR 105419-0220

4. SUPPLY PUMP 105220-4772

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE

7. COUPLING PLATE 156639-2720

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105100-4372

11. Nozzle and Holder 5-15300-103-2

12. Open Pre:MPa(Kqf/cm2) 14.7{150}

13. NOZZLE-HOLDER 105030-3391

14. NOZZLE

105015-3930

15. NOZZLE SET

Include in #1:

101492-0790 as INJECTION-PUMP ASSEMBLY

106691-4120 as _

Cross reference number

ZEXEL 101492-0790 1014920790

ISUZU 8971385920 8971385920

Zexel num

Bosch num

Firm num

Name

101492-0790

8971385920 ISUZU

INJECTION-PUMP ASSEMBLY
4BC2 * K

Calibration Data:

Adjustment conditions

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 3.4 3.35 3.45

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 A

Rack position 11

Pump speed r/min 750 750 750

Average injection quantity mm3/st. 44.6 43.6 45.6

Max. variation between cylinders % 0 -2 2

Basic *

Fixing the rack *

Injection quantity adjustment_02

Adjusting point B

Rack position 12.2

Pump speed r/min 725 725 725

Average injection quantity mm3/st. 70.4 68.9 71.9

Max. variation between cylinders % 0 -4 4

Fixing the lever *

Injection quantity adjustment_03

Adjusting point -

Rack position 10.2+-0. 5

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 12 10.5 13.5

Max. variation between cylinders % 0 -14 14

Fixing the rack *

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)Target notch: K (2)Tolerance for racks not indicated: +-0.05mm. (3)RACK CAP: R1 (4)Main spring setting (5)Set idle sub-spring
----------
K=16 R1=(17.5)mm
----------

Speed control lever angle

F:Full speed I:Idle (1)Set the pump speed at aa (2)Set the pump speed at bb (at delivery) (3)Stopper bolt setting
----------
aa=750r/min bb=900r/min
----------
a=16deg+-5deg b=4deg+-5deg c=5deg+-5deg

Stop lever angle

N:Pump normal S:Stop the pump.
----------

----------
a=4.5deg+-5deg b=53deg+-5deg

Timing setting

(1)Pump vertical direction (2)Position of gear mark 'CC' at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=18deg
----------
a=(90deg)