104304-3260 ZEXEL 9 400 616 508 BOSCH INJECTION-PUMP ASSEMBLY 9400616508 1043043260 8941448541

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

BOSCH 9 400 616 508 9400616508

ZEXEL 104304-3260 1043043260

ISUZU 8941448541 8941448541

Cross reference number

BOSCH 9 400 616 508 9400616508

ZEXEL 104304-3260 1043043260

ISUZU 8941448541 8941448541

Zexel num

Bosch num

Firm num

Name

104304-3260

9 400 616 508

8941448541 ISUZU

INJECTION-PUMP ASSEMBLY
4FA1 * 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 2.1 2.05 2.15

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 A

Rack position 8

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 24.6 24.1 25.1

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point B

Rack position 6.5+-0.5

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 8 7 9

Max. variation between cylinders % 0 -14 14

Fixing the lever *

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

Injection quantity adjustment_03

Adjusting point C

Rack position 7.5

Pump speed r/min 1250 1250 1250

Average injection quantity mm3/st. 25 23 27

Max. variation between cylinders % 0 -4 4

Fixing the lever *

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Set idle sub-spring (2)Main spring setting (3)Rack difference between N = N1 and N = N2 (4)Rack difference between N = N3 and N = N4
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N1=1100r/min N2=1000r/min N3=1250r/min N4=1000r/min
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Speed control lever angle

F:Full speed I:Idle (1)Stopper bolt setting
----------

----------
a=7deg+-3deg b=16deg+-6deg

Stop lever angle

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

----------
a=18deg+-5deg b=(38deg)

Timing setting

(1)Pump vertical direction (2)Position of gear's standard threaded hole at No 1 cylinder's beginning of injection (same as key groove position) (3)B.T.D.C.: aa (4)-
----------
aa=20deg
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a=(50deg)