101472-0120 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014720120 8971172570

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101472-0120 1014720120

ISUZU 8971172570 8971172570

Service parts 101472-0120 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 101047-9010

3. GOVERNOR 105419-1590

4. SUPPLY PUMP 105220-4742

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE

7. COUPLING PLATE 156635-6320

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105151-1451

11. Nozzle and Holder 5-15300-039-1

12. Open Pre:MPa(Kqf/cm2) 11.8{120}

13. NOZZLE-HOLDER 105081-3141

14. NOZZLE

105000-1650

15. NOZZLE SET

Include in #1:

101432-0160 as _

101472-0120 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 101472-0120 1014720120

ISUZU 8971172570 8971172570

Zexel num

Bosch num

Firm num

Name

101472-0120
101472-0121

8971172570 ISUZU

INJECTION-PUMP ASSEMBLY
C240 * 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 6-2-600

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 1-3-4-2

Pre-stroke mm 2.25 2.2 2.3

Beginning of injection position
Drive side NO.1

Difference between angles 1
Cal 1-3 deg. 90 89.5 90.5

Difference between angles 2
Cal 1-4 deg. 180 179.5 180.5

Difference between angles 3
Cyl.1-2 deg. 270 269.5 270.5

Injection quantity adjustment

Adjusting point A

Rack position 9.6

Pump speed r/min 750 750 750

Average injection quantity mm3/st. 26.9 25.9 27.9

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the rack *

Injection quantity adjustment_02

Adjusting point B

Rack position 10

Pump speed r/min 725 725 725

Average injection quantity mm3/st. 33.7 32.2 35.2

Max. variation between cylinders % 0 -4.5 4.5

Fixing the lever *

Injection quantity adjustment_03

Adjusting point -

Rack position 8.9+-0.5

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 8 6.9 9.1

Max. variation between cylinders % 0 -14 14

Fixing the rack *

Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.

Injection quantity adjustment_04

Adjusting point D

Rack position (13.2)+- 0.1

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 77 72 82

Fixing the lever *

Rack limit *

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: RAL (4)Rack difference between N = N1 and N = N2 (5)Set idle sub-spring
----------
K=16 RAL=(13.2)+-0.1mm N1=875r/min N2=550r/min
----------

Speed control lever angle

F:Full speed I:Idle (1)Set the pump speed at aa. ( At delivery ) (2)Set the pump speed at bb.
----------
aa=900r/min bb=750r/min
----------
a=17deg+-5deg b=3deg+-5deg c=5deg+-5deg

Stop lever angle

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

----------
a=36.5deg+-5deg b=53deg+-5deg

Timing setting

(1)Pump vertical direction (2)Gear mark Z for the No. 4 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=16deg
----------
a=(60deg)