101421-7050 ZEXEL 9 400 619 792 BOSCH INJECTION-PUMP ASSEMBLY 9400619792 1014217050 5156012401

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

BOSCH 9 400 619 792 9400619792

ZEXEL 101421-7050 1014217050

ISUZU 5156012401 5156012401

Service parts 101421-7050 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 101042-9760

3. GOVERNOR 105542-3560

4. SUPPLY PUMP 105220-4741

5. AUTOM. ADVANCE MECHANIS 105621-0320

6. COUPLING PLATE

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105151-1491

11. Nozzle and Holder

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

13. NOZZLE-HOLDER 105081-3171

14. NOZZLE

105000-1650

15. NOZZLE SET

Include in #1:

101421-7050 as INJECTION-PUMP ASSEMBLY

106671-4393 as _

Cross reference number

BOSCH 9 400 619 792 9400619792

ZEXEL 101421-7050 1014217050

ISUZU 5156012401 5156012401

Zexel num

Bosch num

Firm num

Name

101421-7050

9 400 619 792

5156012401 ISUZU

INJECTION-PUMP ASSEMBLY
C190 * K 14BC PE4A,5A, PE

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 1.75 1.7 1.8

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 11.7

Pump speed r/min 1800 1800 1800

Average injection quantity mm3/st. 37 36.1 37.9

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the rack *

Injection quantity adjustment_02

Adjusting point B

Rack position 7.2+-0.5

Pump speed r/min 300 300 300

Average injection quantity mm3/st. 7 5.9 8.1

Max. variation between cylinders % 0 -14 14

Fixing the rack *

Injection quantity adjustment_03

Adjusting point C

Rack position -

Pump speed r/min 150 150 150

Average injection quantity mm3/st. 52 52

Fixing the rack *

Remarks
Excess fuel for starting.

Injection quantity adjustment_04

Adjusting point -

Rack position -

Pump speed r/min 1800 1800 1800

Average injection quantity mm3/st. 37 36.5 37.5

Remarks
Smoke setting: 4.41 kPa {450 mmAq}

Timer adjustment

Pump speed r/min 800+-50

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 1100

Advance angle deg. 1.7 1.2 2.2

Timer adjustment_03

Pump speed r/min 1500

Advance angle deg. 4 3.3 4.7

Timer adjustment_04

Pump speed r/min 1900

Advance angle deg. 5.3 4.6 6

Timer adjustment_05

Pump speed r/min 2250

Advance angle deg. 6.5 6 7

Remarks
Finish

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) P:Negative pressure (1)Pneumatic governor (2)Mechanical governor (3)Acting negative pressure: P1 (4)Beginning of idle sub spring operation: L1 (5)Injection quantity Q = Q1 or less
----------
L1=7.2+-0.1mm Q1=3mm3/st
----------

0000001501 ACS

(N): Speed of the pump (P): governor's negative pressure (R) Rack position (mm) Aneroid compensator adjustment (1)Screw in the aneroid compensator body to obtain the performance shown in the graph above.
----------

----------
N=1100r/min P=1.96kPa(200mmAq) Ra=12-0.1mm Rb=- Rc=10.9+-0.2mm P1=9.3--kPa(70--mmHg) P2=21.9kPa(164mmHg)

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=1.8deg
----------
a=(60deg)