101421-4990 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014214990 5156010552

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101421-4990 1014214990

ISUZU 5156010552 5156010552

Cross reference number

ZEXEL 101421-4990 1014214990

ISUZU 5156010552 5156010552

Zexel num

Bosch num

Firm num

Name

101421-4990

5156010552 ISUZU

INJECTION-PUMP ASSEMBLY
C190 * K 14BC PE4A,5A, PE

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 1.75 1.7 1.8

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 12.2

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 31.8 30.4 33.2

Max. variation between cylinders % 0 -4 4

Fixing the rack *

Injection quantity adjustment_02

Adjusting point B

Rack position 12

Pump speed r/min 1300 1300 1300

Average injection quantity mm3/st. 32 31 33

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the rack *

Injection quantity adjustment_03

Adjusting point C

Rack position 8.1+-0.5

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 8 6.9 9.1

Max. variation between cylinders % 0 -14 14

Fixing the rack *

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

Timer adjustment

Pump speed r/min 800+-50

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 1100

Advance angle deg. 1.7 1.2 2.2

Timer adjustment_03

Pump speed r/min 1500

Advance angle deg. 4 3.3 4.7

Timer adjustment_04

Pump speed r/min 1900

Advance angle deg. 5.3 4.6 6

Timer adjustment_05

Pump speed r/min 2250

Advance angle deg. 6.5 6 7

Remarks
Finish

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) P:Negative pressure (1)Pneumatic governor (2)Mechanical governor (3)Acting negative pressure: P1 (4)Beginning of idle sub spring operation: L1 (5)Injection quantity Q = Q1 or less
----------
L1=4.9+-0.3mm Q1=3mm3/st
----------

Timing setting

(1)Pump vertical direction (2)Gear mark Z for the No. 4 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=18deg
----------
a=(60deg)