106671-9440 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066719440 6211721120

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 106671-9440 1066719440

KOMATSU 6211721120 6211721120

Service parts 106671-9440 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 106067-0820

3. GOVERNOR 105407-5970

4. SUPPLY PUMP 105237-5000

5. AUTOM. ADVANCE MECHANIS 105681-1930

6. COUPLING PLATE 105663-0940

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105111-4650

11. Nozzle and Holder 6211-12-3500

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

13. NOZZLE-HOLDER 105041-7150

14. NOZZLE 105025-0880

15. NOZZLE SET

Include in #1:

106671-9440 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 106671-9440 1066719440

KOMATSU 6211721120 6211721120

Zexel num

Bosch num

Firm num

Name

106671-9440
106671-9441

6211721120 KOMATSU

INJECTION-PUMP ASSEMBLY
SA6D140 * 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 131424-3420

Overflow valve opening pressure kPa 255 221 289

Overflow valve opening pressure kgf/cm2 2.6 2.25 2.95

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 1-5-3-6- 2-4

Pre-stroke mm 3.9 3.85 3.95

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 10.1

Pump speed r/min 950 950 950

Average injection quantity mm3/st. 143.5 141.5 145.5

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the lever *

Boost pressure kPa 54.7 54.7

Boost pressure mmHg 410 410

Injection quantity adjustment_02

Adjusting point C

Rack position 6.9+-0.5

Pump speed r/min 360 360 360

Average injection quantity mm3/st. 8.5 7 10

Max. variation between cylinders % 0 -15 15

Fixing the rack *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Injection quantity adjustment_03

Adjusting point E

Rack position -

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 220 210 230

Fixing the lever *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Rack limit *

Boost compensator adjustment

Pump speed r/min 600 600 600

Rack position R1-0.95

Boost pressure kPa 21.3 18.6 24

Boost pressure mmHg 160 140 180

Boost compensator adjustment_02

Pump speed r/min 600 600 600

Rack position R1(10.55 )

Boost pressure kPa 41.3 34.6 48

Boost pressure mmHg 310 260 360

Timer adjustment

Pump speed r/min 750--

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 700

Advance angle deg. 0.5

Timer adjustment_03

Pump speed r/min 900

Advance angle deg. 2 1.5 2.5

Remarks
Finish

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Target notch: K (2)Tolerance for racks not indicated: +-0.05mm. (3)RACK LIMIT (4)Boost compensator stroke: BCL (5)Rack difference between N = N1 and N = N2
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K=10 BCL=0.95+-0.1mm N1=950r/min N2=650r/min
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