101472-3630 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014723630 6144751103

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101472-3630 1014723630

KOMATSU 6144751103 6144751103

Cross reference number

ZEXEL 101472-3630 1014723630

KOMATSU 6144751103 6144751103

Zexel num

Bosch num

Firm num

Name

101472-3630

6144751103 KOMATSU

INJECTION-PUMP ASSEMBLY
4D94 *

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 1-2-4-3

Pre-stroke mm 2.2 2.15 2.25

Beginning of injection position
Drive side NO.1

Difference between angles 1
Cyl.1-2 deg. 90 89.5 90.5

Difference between angles 2
Cal 1-4 deg. 180 179.5 180.5

Difference between angles 3
Cal 1-3 deg. 270 269.5 270.5

Injection quantity adjustment

Adjusting point A

Rack position 12

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 47.3 46.3 48.3

Max. variation between cylinders % 0 -2 2

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point B

Rack position 9+-0.5

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 9 8.2 9.8

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)RACK CAP: R1 (3)Idle sub spring setting: L1.
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K=5 R1=18+1mm L1=7-0.5mm
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Speed control lever angle

F:Full speed S:Stop (1)Speed set at aa (setting at shipping) (2)Set the pump speed at bb.
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aa=900r/min bb=750r/min
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a=10deg+-5deg b=13deg+-5deg c=32deg+-3deg

Stop lever angle

N:Pump normal S:Stop the pump.
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a=26.5deg+-5deg b=53deg+-5deg

Timing setting

(1)Pump vertical direction (2)Position of key groove at No 1 cylinder's beginning of injection (3)Stamp aligning marks on the pump housing flange. (4)- (5)-
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a=50deg24min+-3deg b=9deg36min+-30min