106691-4031 ZEXEL 9 400 610 123 BOSCH INJECTION-PUMP ASSEMBLY 9400610123 1066914031 6151712720

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

BOSCH 9 400 610 123 9400610123

ZEXEL 106691-4031 1066914031

KOMATSU 6151712720 6151712720

Service parts 106691-4031 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 106069-5610

3. GOVERNOR 105488-0961

4. SUPPLY PUMP 105217-1480

5. AUTOM. ADVANCE MECHANIS 105635-0240

6. COUPLING PLATE 105663-0400

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105111-4060

11. Nozzle and Holder 6151-11-3101

12. Open Pre:MPa(Kqf/cm2) 24.5{250}

13. NOZZLE-HOLDER 105041-7040

14. NOZZLE 105015-5950

15. NOZZLE SET

Include in #1:

106691-4031 as INJECTION-PUMP ASSEMBLY

Cross reference number

BOSCH 9 400 610 123 9400610123

ZEXEL 106691-4031 1066914031

KOMATSU 6151712720 6151712720

Zexel num

Bosch num

Firm num

Name

106691-4031
106691-4032

9 400 610 123

6151712720 KOMATSU

INJECTION-PUMP ASSEMBLY
S6D125 * K 14CA PE6P,6PD PE

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 8-3-600

Overflow valve 132424-0620

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)
Left L

Injection timing adjustment

Direction of rotation (viewed from drive side)
Left L

Injection order 1-5-3-6- 2-4

Pre-stroke mm 3.75 3.7 3.8

Beginning of injection position
Drive side NO.1

Difference between angles 1
Cal 1-5 deg. 60 59.5 60.5

Difference between angles 2
Cal 1-3 deg. 120 119.5 120.5

Difference between angles 3
Cal 1-6 deg. 180 179.5 180.5

Difference between angles 4
Cyl.1-2 deg. 240 239.5 240.5

Difference between angles 5
Cal 1-4 deg. 300 299.5 300.5

Injection quantity adjustment

Adjusting point A

Rack position 7.5

Pump speed r/min 1100 1100 1100

Average injection quantity mm3/st. 123.8 121.8 125.8

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point B

Rack position 8.1

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 137.1 135.1 139.1

Max. variation between cylinders % 0 -4 4

Fixing the lever *

Injection quantity adjustment_03

Adjusting point C

Rack position 4+-0.5

Pump speed r/min 325 325 325

Average injection quantity mm3/st. 13.4 11.9 14.9

Max. variation between cylinders % 0 -15 15

Fixing the rack *

Boost compensator adjustment

Pump speed r/min 650 650 650

Rack position 6.6

Boost pressure kPa 7.3 6 8.6

Boost pressure mmHg 55 45 65

Boost compensator adjustment_02

Pump speed r/min 650 650 650

Rack position 7.3

Boost pressure kPa 10.7 10.7 10.7

Boost pressure mmHg 80 80 80

Boost compensator adjustment_03

Pump speed r/min 650 650 650

Rack position 8.1

Boost pressure kPa 21.3 14.6 28

Boost pressure mmHg 160 110 210

Timer adjustment

Pump speed r/min 700--

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 650

Advance angle deg. 0.5

Timer adjustment_03

Pump speed r/min 1050

Advance angle deg. 3 2.5 3.5

Remarks
Finish

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Tolerance for racks not indicated: +-0.05mm. (2)Supply with excess fuel lever not operating. (3)After adjusting the boost compensator, adjust the boost pressure at N = N1 and set R = R1 using the boost compensator screw (boost pressure 0). (4)Damper spring setting
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N1=300r/min R1=9.5+-0.2mm
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