106692-9441 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066929441 6151721810

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 106692-9441 1066929441

KOMATSU 6151721810 6151721810

Service parts 106692-9441 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP

3. GOVERNOR 105407-6681

4. SUPPLY PUMP 105217-1490

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE 105663-0360

7. COUPLING PLATE 156636-6220

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105111-4550

11. Nozzle and Holder

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

13. NOZZLE-HOLDER 105041-7130

14. NOZZLE 105025-0330

15. NOZZLE SET

Include in #1:

106692-9441 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 106692-9441 1066929441

KOMATSU 6151721810 6151721810

Zexel num

Bosch num

Firm num

Name

106692-9441
106692-9442

6151721810 KOMATSU

INJECTION-PUMP ASSEMBLY
S6D125 * 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 3.75 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 8.5

Pump speed r/min 1050 1050 1050

Average injection quantity mm3/st. 109 107 111

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point -

Rack position 6.7+-0.5

Pump speed r/min 340 340 340

Average injection quantity mm3/st. 17 15.5 18.5

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)Tolerance for racks not indicated: +-0.05mm. (3)Do not adjust boost compensator spring. (4)Rack difference between N = N1 and N = N2
----------
K=10 N1=1050r/min N2=240r/min
----------

Speed control lever angle

F:Full speed I:Idle (1)Stopper bolt setting
----------

----------
a=9deg+-5deg b=28deg+-5deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Rack position = aa, speed = bb (stamp at delivery)
----------
aa=1-0.5mm bb=0r/min
----------
a=33deg+-5deg b=70deg+-5deg