106693-6231 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066936231 8943905981

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 106693-6231 1066936231

ISUZU 8943905981 8943905981

Service parts 106693-6231 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 106069-1460

3. GOVERNOR 105923-2260

4. SUPPLY PUMP 105237-4760

5. AUTOM. ADVANCE MECHANIS 105681-5340

6. COUPLING PLATE 105664-0831

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105110-7530

11. Nozzle and Holder 8-94390-519-0

12. Open Pre:MPa(Kqf/cm2) 15.7{160}/22.1{225}

13. NOZZLE-HOLDER 105041-4140

14. NOZZLE

15. NOZZLE SET 105019-0760

Include in #1:

106693-6231 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 106693-6231 1066936231

ISUZU 8943905981 8943905981

Zexel num

Bosch num

Firm num

Name

106693-6231
106693-6232

8943905981 ISUZU

INJECTION-PUMP ASSEMBLY
6HE1TC-N * K

Calibration Data:

Adjustment conditions

Test oil
1404 Test oil ISO4113 or {SAEJ967d}

Test oil temperature degC 40 40 45

Nozzle and nozzle holder 105780-8250

Bosch type code 1 688 901 101

Nozzle 105780-0120

Bosch type code 1 688 901 990

Nozzle holder 105780-2190

Opening pressure MPa 20.7

Opening pressure kgf/cm2 211

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

Overflow valve 131424-8620

Overflow valve opening pressure kPa 206 172 240

Overflow valve opening pressure kgf/cm2 2.1 1.75 2.45

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)
Left L

Injection timing adjustment

Direction of rotation (viewed from drive side)
Left L

Injection order 1-5-3-6- 2-4

Pre-stroke mm 3.6 3.57 3.63

Rack position
Point A R=A

Beginning of injection position
Governor side NO.1

Difference between angles 1
Cal 1-5 deg. 60 59.75 60.25

Difference between angles 2
Cal 1-3 deg. 120 119.75 120.25

Difference between angles 3
Cal 1-6 deg. 180 179.75 180.25

Difference between angles 4
Cyl.1-2 deg. 240 239.75 240.25

Difference between angles 5
Cal 1-4 deg. 300 299.75 300.25

Injection quantity adjustment

Adjusting point -

Rack position 11.3

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 100 98 102

Max. variation between cylinders % 0 -4 4

Basic *

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_02

Adjusting point Z

Rack position 8+-0.5

Pump speed r/min 470 470 470

Average injection quantity mm3/st. 12.5 9.3 15.7

Max. variation between cylinders % 0 -13 13

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_03

Adjusting point A

Rack position R1(11.3)

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 100 99 101

Basic *

Fixing the lever *

Boost pressure kPa 57.3 57.3

Boost pressure mmHg 430 430

Injection quantity adjustment_04

Adjusting point B

Rack position R1+0.5

Pump speed r/min 1350 1350 1350

Average injection quantity mm3/st. 90.5 86.5 94.5

Fixing the lever *

Boost pressure kPa 57.3 57.3

Boost pressure mmHg 430 430

Boost compensator adjustment

Pump speed r/min 500 500 500

Rack position R2-1.25

Boost pressure kPa 12 10.7 13.3

Boost pressure mmHg 90 80 100

Boost compensator adjustment_02

Pump speed r/min 500 500 500

Rack position R2[R1-0. 15]

Boost pressure kPa 44 44 44

Boost pressure mmHg 330 330 330

Timer adjustment

Pump speed r/min 900--

Advance angle deg. 0 0 0

Load 3/5

Remarks
Start

Timer adjustment_02

Pump speed r/min 850

Advance angle deg. 0.3

Load 3/5

Timer adjustment_03

Pump speed r/min -

Advance angle deg. 1.5 1 2

Load 3/5

Remarks
Measure the actual speed.

Timer adjustment_04

Pump speed r/min 1075

Advance angle deg. 1.5 1 2

Load 4/5

Timer adjustment_05

Pump speed r/min 1350

Advance angle deg. 5.5 5 6

Load 4/5

Remarks
Finish

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Torque cam stamping: T1 (2)Tolerance for racks not indicated: +-0.05mm. (3)Boost compensator stroke: BCL
----------
T1=AD83 BCL=1.25+-0.1mm
----------

Speed control lever angle

F:Full speed I:Idle (1)Stopper bolt setting (2)Use the hole at R = aa
----------
aa=35mm
----------
a=64deg+-5deg b=37deg+-3deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Use the hole at R = aa (2)Set the stopper bolt at rack position = bb, speed = cc and confirm non-injection.
----------
aa=55mm bb=1.5+-0.3mm cc=0r/min
----------
a=14deg+-5deg b=44deg+-5deg

Timing setting

(1)Pump vertical direction (2)Position of timer's threaded hole at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=7deg
----------
a=(50deg)