101492-3750 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014923750 6205711250

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101492-3750 1014923750

KOMATSU 6205711250 6205711250

Cross reference number

ZEXEL 101492-3750 1014923750

KOMATSU 6205711250 6205711250

Zexel num

Bosch num

Firm num

Name

101492-3750

6205711250 KOMATSU

INJECTION-PUMP ASSEMBLY
S4D95L * 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

Overflow valve opening pressure kPa 157 123 191

Overflow valve opening pressure kgf/cm2 1.6 1.25 1.95

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 3.2 3.15 3.25

Rack position
Point A R=A

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 9.7

Pump speed r/min 1050 1050 1050

Average injection quantity mm3/st. 70.1 69.1 71.1

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point -

Rack position 7.7+-0.5

Pump speed r/min 450 450 450

Average injection quantity mm3/st. 10.5 9.5 11.5

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)Rack difference between N = N1 and N = N2 (4)Rack difference between N = N3 and N = N4
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K=14 R1=(17.5)mm N1=1050r/min N2=750r/min N3=1050r/min N4=300r/min
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Speed control lever angle

F:Full speed I:Idle S:Stop (1)Use the hole at R = aa
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aa=80mm
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a=32deg+-5deg b=16deg+-3deg c=32deg+-3deg

Stop lever angle

N:Pump normal S:Stop the pump.
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a=1deg+-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=58deg+-3deg b=2deg+-30min