101402-7920 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014027920 8972611770

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101402-7920 1014027920

ISUZU 8972611770 8972611770

Service parts 101402-7920 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 101041-8950

3. GOVERNOR 105411-2380

4. SUPPLY PUMP 105220-6670

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE

7. COUPLING PLATE 156643-4120

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105160-5120

11. Nozzle and Holder

12. Open Pre:MPa(Kqf/cm2)

13. NOZZLE-HOLDER 105030-4750

14. NOZZLE 105025-3030

15. NOZZLE SET

Include in #1:

101402-7920 as INJECTION-PUMP ASSEMBLY

106672-9902 as _

Cross reference number

ZEXEL 101402-7920 1014027920

ISUZU 8972611770 8972611770

Zexel num

Bosch num

Firm num

Name

101402-7920
101402-7921

8972611770 ISUZU

INJECTION-PUMP ASSEMBLY
4BG1-T * 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

Overflow valve 134424-4120

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 255 255 255

Tester oil delivery pressure kgf/cm2 2.6 2.6 2.6

Direction of rotation (viewed from drive side)
Right R

Injection timing adjustment

Direction of rotation (viewed from drive side)
Right R

Injection order 1-3-4-2

Pre-stroke mm 4.2 4.15 4.25

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 10.6

Pump speed r/min 1100 1100 1100

Average injection quantity mm3/st. 95.5 94.4 96.6

Max. variation between cylinders % 0 -2 2

Basic *

Fixing the lever *

Boost pressure kPa 81.3 81.3

Boost pressure mmHg 610 610

Injection quantity adjustment_02

Adjusting point -

Rack position 7.7+-0.5

Pump speed r/min 500 500 500

Average injection quantity mm3/st. 8.8 7.4 10.2

Max. variation between cylinders % 0 -14 14

Fixing the rack *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

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

Injection quantity adjustment_03

Adjusting point E

Rack position 10.8++

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 120 115 125

Fixing the lever *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Rack limit *

Boost compensator adjustment

Pump speed r/min 500 500 500

Rack position R1-1

Boost pressure kPa 20 16 24

Boost pressure mmHg 150 120 180

Boost compensator adjustment_02

Pump speed r/min 500 500 500

Rack position R1(10.6)

Boost pressure kPa 68 61.3 74.7

Boost pressure mmHg 510 460 560

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Target notch: K (2)Tolerance for racks not indicated: +-0.05 (3)RACK LIMIT (4)Boost compensator stroke: BCL (5)Set idle sub-spring (6)Main spring setting
----------
K=12 BCL=1+-0.1mm
----------

Speed control lever angle

F:Full speed I:Idle S:Stop (1)Use the hole at R = aa (2)Stopper bolt setting
----------
aa=94mm
----------
a=20deg+-5deg b=11deg+-5deg c=35deg+-3deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Pump speed aa and rack position bb (to be sealed at delivery) (2)Normal
----------
aa=0r/min bb=1-0.5mm
----------
a=32deg+-5deg b=(55deg)

0000001501 TAMPER PROOF

Tamperproofing-equipped boost compensator cover installation procedure (A) After adjusting the boost compensator, tighten the bolts to remove the heads. (1)Before adjusting the governor and the boost compensator, tighten the screw to the specified torque. (Tightening torque T = T1 maximum) (2)After adjusting the governor and the boost compensator, tighten to the specified torque to break off the bolt heads. (Tightening torque T = T2)
----------
T1=2.5N-m(0.25kgf-m) T2=2.9~4.4N-m(0.3~0.45kgf-m)
----------

Timing setting

(1)Pump vertical direction (2)Position of gear mark 'CC' at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=7deg
----------
a=(100deg)