101272-3010 ZEXEL 9 400 613 523 BOSCH INJECTION-PUMP ASSEMBLY 9400613523 1012723010 6142751205

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

BOSCH 9 400 613 523 9400613523

ZEXEL 101272-3010 1012723010

KOMATSU 6142751205 6142751205

Service parts 101272-3010 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 101027-1040

3. GOVERNOR 105400-2040

4. SUPPLY PUMP 105220-4901

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY

11. Nozzle and Holder

12. Open Pre:MPa(Kqf/cm2)

13. NOZZLE-HOLDER

14. NOZZLE

15. NOZZLE SET

Include in #1:

101272-3010 as INJECTION-PUMP ASSEMBLY

108622-3126 as _

Cross reference number

BOSCH 9 400 613 523 9400613523

ZEXEL 101272-3010 1012723010

KOMATSU 6142751205 6142751205

Zexel num

Bosch num

Firm num

Name

101272-3010

9 400 613 523

6142751205 KOMATSU

INJECTION-PUMP ASSEMBLY
2D94 * 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

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

Injection quantity adjustment

Adjusting point A

Rack position 10.3

Pump speed r/min 750 750 750

Average injection quantity mm3/st. 39 38 40

Max. variation between cylinders % 0 -2 2

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point B

Rack position 8+-0.5

Pump speed r/min 400 400 400

Average injection quantity mm3/st. 8.8 8 9.6

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 spring not operating. (4)Idle sub spring setting: L1.
----------
K=12 R1=(18)mm L1=6.5-0.5mm
----------

Speed control lever angle

I:Idle S:Stop (1)Set the pump speed at aa. ( At delivery ) (2)Pump speed = bb
----------
aa=900r/min bb=750r/min
----------
a=10deg+-5deg b=32deg+-3deg c=24deg+-5deg d=7deg+-5deg

Timing setting

(1)Pump vertical direction (2)Position of camshaft's key groove at No 1 cylinder's beginning of injection (3)- (4)-
----------

----------
a=(50deg)

Have questions with 101272-3010?

Group cross 101272-3010 ZEXEL

Komatsu

101272-3000

6142751204

INJECTION-PUMP ASSEMBLY
2D94

101272-3010

9 400 613 523

6142751205

INJECTION-PUMP ASSEMBLY
2D94