106672-9551 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066729551 6128711120

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 106672-9551 1066729551

KOMATSU 6128711120 6128711120

Cross reference number

ZEXEL 106672-9551 1066729551

KOMATSU 6128711120 6128711120

Zexel num

Bosch num

Firm num

Name

106672-9551
106675-4070

6128711120 KOMATSU

INJECTION-PUMP ASSEMBLY
SA6D155 *

Calibration Data:

Adjustment conditions

Test oil
1404 Test oil ISO4113 or {SAEJ967d}

Test oil temperature degC 40 40 45

Nozzle and nozzle holder 105780-8130

Bosch type code EFEP215A

Nozzle 105780-0050

Bosch type code EN6TD119NP1T

Nozzle holder 105780-2090

Bosch type code EFEP215

Opening pressure MPa 17.2

Opening pressure kgf/cm2 175

Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-3-600

Overflow valve 131425-1620

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 2.5 2.45 2.55

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 15.3

Pump speed r/min 1000 1000 1000

Each cylinder's injection qty mm3/st. 351 344 358

Basic *

Fixing the lever *

Boost pressure kPa 62.7 62.7

Boost pressure mmHg 470 470

Injection quantity adjustment_02

Adjusting point B

Rack position 15.9+-0. 5

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 339 329 349

Fixing the lever *

Boost pressure kPa 62.7 62.7

Boost pressure mmHg 470 470

Injection quantity adjustment_03

Adjusting point C

Rack position R2-1.6

Pump speed r/min 400 400 400

Average injection quantity mm3/st. 285 275 295

Fixing the lever *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Injection quantity adjustment_04

Adjusting point D

Rack position 6.5+-0.5

Pump speed r/min 300 300 300

Average injection quantity mm3/st. 31 27 35

Max. variation between cylinders % 0 -10 10

Fixing the rack *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Injection quantity adjustment_05

Adjusting point E

Rack position -

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 295 285 305

Fixing the lever *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Rack limit *

Boost compensator adjustment

Pump speed r/min 400 400 400

Rack position R2-1.6

Boost pressure kPa 18.7 17.4 21.4

Boost pressure mmHg 140 130 160

Boost compensator adjustment_02

Pump speed r/min 400 400 400

Rack position R2(16)

Boost pressure kPa 49.3 42.6 56

Boost pressure mmHg 370 320 420

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
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K=20 N1=1000r/min N2=400r/min
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Speed control lever angle

F:Full speed I:Idle S:Stop (1)Stopper bolt setting
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a=(16.5deg)+-5deg b=31deg+-3deg c=(32deg)+-5deg

Timing setting

(1)Pump vertical direction (2)Position of spline gear's aligning mark at No 1 cylinder's beginning of injection (key position) (3)- (4)-
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a=(50deg)