101492-0081 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014920081 8941365941

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101492-0081 1014920081

ISUZU 8941365941 8941365941

Cross reference number

ZEXEL 101492-0081 1014920081

ISUZU 8941365941 8941365941

Zexel num

Bosch num

Firm num

Name

101492-0081
101492-0082

8941365941 ISUZU

INJECTION-PUMP ASSEMBLY
4BC2 *

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 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 9.7

Pump speed r/min 1150 1150 1150

Average injection quantity mm3/st. 61.8 60.8 62.8

Max. variation between cylinders % 0 -2 2

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point B

Rack position 10.2

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 51.1 47.1 55.1

Max. variation between cylinders % 0 -4 4

Fixing the lever *

Injection quantity adjustment_03

Adjusting point C

Rack position 8.7+-0.5

Pump speed r/min 325 325 325

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)Set idle sub-spring (3)Main spring setting (4)Rack difference between N = N1 and N = N2
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K=12 N1=1150r/min N2=700r/min
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Speed control lever angle

F:Full speed I:Idle S:Stop
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----------
a=93deg+-5deg b=40deg+-3deg c=33deg+-5deg

Stop lever angle

N:Pump normal S:Stop the pump.
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----------
a=19deg+-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=20deg
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a=(90deg)