106673-4230 ZEXEL 9 400 617 312 BOSCH INJECTION-PUMP ASSEMBLY 9400617312 1066734230 6152721370

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

BOSCH 9 400 617 312 9400617312

ZEXEL 106673-4230 1066734230

KOMATSU 6152721370 6152721370

Service parts 106673-4230 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 106067-6790

3. GOVERNOR 105407-8380

4. SUPPLY PUMP

105217-6030

5. AUTOM. ADVANCE MECHANIS 105681-6160

6. COUPLING PLATE 105663-0920

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105111-4610

11. Nozzle and Holder

12. Open Pre:MPa(Kqf/cm2) 27.5(280)

13. NOZZLE-HOLDER 105041-7130

14. NOZZLE 105025-0760

15. NOZZLE SET

Include in #1:

106673-4230 as INJECTION-PUMP ASSEMBLY

Cross reference number

BOSCH 9 400 617 312 9400617312

ZEXEL 106673-4230 1066734230

KOMATSU 6152721370 6152721370

Zexel num

Bosch num

Firm num

Name

106673-4230

9 400 617 312

6152721370 KOMATSU

INJECTION-PUMP ASSEMBLY
SA6D125 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 8-3-600

Overflow valve 131424-1520

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 3.8 3.75 3.85

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 9.5

Pump speed r/min 1100 1100 1100

Average injection quantity mm3/st. 181.5 179.5 183.5

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the lever *

Boost pressure kPa 64 64

Boost pressure mmHg 480 480

Injection quantity adjustment_02

Adjusting point C

Rack position 5.6+-0.5

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 11.5 10 13

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 D

Rack position 10.2++

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 185 175 195

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 R1-1.45

Boost pressure kPa 14.7 12 17.4

Boost pressure mmHg 110 90 130

Boost compensator adjustment_02

Pump speed r/min 600 600 600

Rack position R1(10)

Boost pressure kPa 50.7 44 57.4

Boost pressure mmHg 380 330 430

Timer adjustment

Pump speed r/min 800--

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 750

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)Target notch: K (2)Tolerance for racks not indicated: +-0.05mm. (3)RACK LIMIT (4)Boost compensator stroke (5)Rack difference between N = N1 and N = N2
----------
K=19 N1=1100r/min N2=700r/min
----------

Speed control lever angle

F:Full speed I:Idle S:Stop (1)- (2)Use the hole at R = aa
----------
aa=85mm
----------
a=13deg+-5deg b=25deg+-5deg c=35deg+-3deg

Timing setting

(1)Pump vertical direction (2)Coupling's key groove position at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=12deg
----------
a=(150deg)