101482-4221 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014824221 8944627551

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101482-4221 1014824221

ISUZU 8944627551 8944627551

Cross reference number

ZEXEL 101482-4221 1014824221

ISUZU 8944627551 8944627551

Zexel num

Bosch num

Firm num

Name

101482-4221
101482-4224

8944627551 ISUZU

INJECTION-PUMP ASSEMBLY
4JB1 *

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)
Left L

Injection timing adjustment

Direction of rotation (viewed from drive side)
Left L

Injection order 1-3-4-2

Pre-stroke mm 3.3 3.25 3.35

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 9.5

Pump speed r/min 1500 1500 1500

Average injection quantity mm3/st. 48 47 49

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point C

Rack position 8.8+-0.5

Pump speed r/min 300 300 300

Average injection quantity mm3/st. 13 11 15

Max. variation between cylinders % 0 -15 15

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)The torque control spring does not operate. (3)Set idle sub-spring (4)Main spring setting
----------
K=17
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Speed control lever angle

F:Full speed I:Idle S:Stop (1)Set point B
----------

----------
a=28deg+-5deg b=23deg+-5deg c=32deg+-3deg

Stop lever angle

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

----------
a=0deg+-5deg b=53deg+-5deg

Timing setting

(1)Pump vertical direction (2)Position of gear mark 'V' at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=20deg
----------
a=(200deg)