106872-4100 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1068724100 w2c47130a

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 106872-4100 1068724100

NIIGATA-URAWA W2C47130A w2c47130a

Service parts 106872-4100 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 106087-5570

3. GOVERNOR 105447-5600

4. SUPPLY PUMP 105237-1370

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE 105664-0280

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105101-5190

11. Nozzle and Holder

12. Open Pre:MPa(Kqf/cm2) 22.5(260)

13. NOZZLE-HOLDER 105031-4560

14. NOZZLE 105015-5760

15. NOZZLE SET

Include in #1:

106872-4100 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 106872-4100 1068724100

NIIGATA-URAWA W2C47130A w2c47130a

Zexel num

Bosch num

Firm num

Name

106872-4100
106872-4120

W2C47130A NIIGATA-URAWA

INJECTION-PUMP ASSEMBLY
8NSA * 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 134424-1420

Overflow valve opening pressure kPa 162 147 177

Overflow valve opening pressure kgf/cm2 1.65 1.5 1.8

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 1-8-7-5- 4-3-6-2

Pre-stroke mm 3.9 3.85 3.95

Beginning of injection position
Governor side NO.1

Difference between angles 1
Cal 1-8 deg. 45 44.5 45.5

Difference between angles 2
Cal 1-7 deg. 90 89.5 90.5

Difference between angles 3
Cal 1-5 deg. 135 134.5 135.5

Difference between angles 4
Cal 1-4 deg. 180 179.5 180.5

Difference between angles 5
Cal 1-3 deg. 225 224.5 225.5

Difference between angles 6
Cal 1-6 deg. 270 269.5 270.5

Difference between angles 7
Cyl.1-2 deg. 315 314.5 315.5

Injection quantity adjustment

Adjusting point A

Rack position 14.4

Pump speed r/min 750 750 750

Average injection quantity mm3/st. 226.7 221.7 231.7

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the rack *

Injection quantity adjustment_02

Adjusting point B

Rack position 13.6

Pump speed r/min 900 900 900

Average injection quantity mm3/st. 210.9 205.9 215.9

Max. variation between cylinders % 0 -4 4

Fixing the rack *

Injection quantity adjustment_03

Adjusting point C

Rack position 7.1+-0.5

Pump speed r/min 250 250 250

Average injection quantity mm3/st. 30 27 33

Max. variation between cylinders % 0 -10 10

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)RACK LIMIT: RAL (3)Idle sub spring setting: L1.
----------
K=5 RAL=16.4+0.2mm L1=6.2-0.5mm
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Speed control lever angle

F:Full speed I:Idle S:Stop (1)Speed set at aa (setting at shipping) (2)Set the pump speed at bb.
----------
aa=900r/min bb=750r/min
----------
a=(10deg)+-5deg b=(32deg)+-5deg c=32deg+-3deg d=(8deg)+-5deg

Stop lever angle

N:Pump normal S:Stop the pump.
----------

----------
a=42deg+-5deg b=82deg+-5deg

Timing setting

(1)Pump vertical direction (2)Position of coupling's key groove at the No 2 cylinder's beginning of injection (3)- (4)-
----------

----------
a=(20deg)