101495-3090 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014953090 6204711521

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101495-3090 1014953090

KOMATSU 6204711521 6204711521

Cross reference number

ZEXEL 101495-3090 1014953090

KOMATSU 6204711521 6204711521

Zexel num

Bosch num

Firm num

Name

101495-3090

6204711521 KOMATSU

INJECTION-PUMP ASSEMBLY
4D95L * 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 1-2-4-3

Pre-stroke mm 3.6 3.55 3.65

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 10.5

Pump speed r/min 1250 1250 1250

Average injection quantity mm3/st. 37.5 36.5 38.5

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point -

Rack position 10.5+-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 LIMIT: RAL (3)Rack difference between N = N1 and N = N2 (4)Rack difference between N = N3 and N = N4
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K=17 RAL=15+0.2mm N1=1250r/min N2=800r/min N3=1250r/min N4=500r/min
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Speed control lever angle

F:Full speed I:Idle (1)Stopper bolt setting
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a=15deg+-5deg b=35deg+-5deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)No return spring
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a=47deg+-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=59deg36min+-3deg b=0deg24min+-30min