106675-4481 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066754481 6152721150

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 106675-4481 1066754481

KOMATSU 6152721150 6152721150

Service parts 106675-4481 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 106067-1820

3. GOVERNOR 105407-6722

4. SUPPLY PUMP

105217-6030

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE 105664-0431

7. COUPLING PLATE 156637-2820

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105111-4540

11. Nozzle and Holder 6152-12-3100

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

13. NOZZLE-HOLDER 105041-7130

14. NOZZLE

105025-0120

15. NOZZLE SET

Include in #1:

106675-4481 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 106675-4481 1066754481

KOMATSU 6152721150 6152721150

Zexel num

Bosch num

Firm num

Name

106675-4481
106675-4482

6152721150 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 8.7

Pump speed r/min 1050 1050 1050

Average injection quantity mm3/st. 162 160 164

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the lever *

Boost pressure kPa 45.3 45.3

Boost pressure mmHg 340 340

Injection quantity adjustment_02

Adjusting point C

Rack position 5.7+-0.5

Pump speed r/min 365 365 365

Average injection quantity mm3/st. 13 11.5 14.5

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. 170 160 180

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 R1-1.1

Boost pressure kPa 13.3 10.6 16

Boost pressure mmHg 100 80 120

Boost compensator adjustment_02

Pump speed r/min 600 600 600

Rack position R1(9.45)

Boost pressure kPa 32 25.3 38.7

Boost pressure mmHg 240 190 290

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=15 N1=1050r/min N2=700r/min
----------

Speed control lever angle

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

----------
a=16deg+-5deg b=22deg+-5deg

Stop lever angle

N: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