101491-0240 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014910240 8941279591

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101491-0240 1014910240

ISUZU 8941279591 8941279591

Cross reference number

ZEXEL 101491-0240 1014910240

ISUZU 8941279591 8941279591

Zexel num

Bosch num

Firm num

Name

101491-0240
101491-0330

8941279591 ISUZU

INJECTION-PUMP ASSEMBLY
4BC2 * K

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

Rack position
Point A R=A

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 -

Rack position 10.4

Pump speed r/min 1100 1100 1100

Average injection quantity mm3/st. 55 53.4 56.6

Max. variation between cylinders % 0 -2.6 2.6

Basic *

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_02

Adjusting point H

Rack position 9.5+-0.5

Pump speed r/min 300 300 300

Average injection quantity mm3/st. 6.7 5.2 8.2

Max. variation between cylinders % 0 -14 14

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_03

Adjusting point A

Rack position R1(10.4)

Pump speed r/min 1100 1100 1100

Average injection quantity mm3/st. 55 54 56

Basic *

Fixing the lever *

Injection quantity adjustment_04

Adjusting point B

Rack position (R1-0.1)

Pump speed r/min 1750 1750 1750

Average injection quantity mm3/st. 54.8 53.2 56.4

Fixing the lever *

Injection quantity adjustment_05

Adjusting point C

Rack position (R1+0.1)

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 42.5 40.9 44.1

Fixing the lever *

Injection quantity adjustment_06

Adjusting point I

Rack position R2(16.9)

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 73 65 81

Fixing the lever *

Rack limit *

Timer adjustment

Pump speed r/min 1650--

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 1600

Advance angle deg. 0.6

Timer adjustment_03

Pump speed r/min 1800

Advance angle deg. 3 2.5 3.5

Timer adjustment_04

Pump speed r/min 1900

Advance angle deg. 4.5 4 5

Timer adjustment_05

Pump speed r/min -

Advance angle deg. 5 5 5

Remarks
Measure the actual speed, stop

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)RACK LIMIT (2)Maximum speed at end of increased fuel quantity for starting: NS (3)Set using full load set screw.
----------
NS=1350r/min
----------

Stop lever angle

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

----------
a=0deg+-5deg b=33deg+-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=15deg
----------
a=(100deg)