101402-3801 ZEXEL 9 400 610 441 BOSCH INJECTION-PUMP ASSEMBLY 9400610441 1014023801 3863338

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

BOSCH 9 400 610 441 9400610441

ZEXEL 101402-3801 1014023801

KOMATSU 3863338 3863338

Service parts 101402-3801 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 101041-9260

3. GOVERNOR 105404-5090

4. SUPPLY PUMP

105220-5960

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY

11. Nozzle and Holder

12. Open Pre:MPa(Kqf/cm2) 21.6{220}

13. NOZZLE-HOLDER

14. NOZZLE

15. NOZZLE SET

Include in #1:

101402-3801 as INJECTION-PUMP ASSEMBLY

107691-3352 as _

Cross reference number

BOSCH 9 400 610 441 9400610441

ZEXEL 101402-3801 1014023801

KOMATSU 3863338 3863338

Zexel num

Bosch num

Firm num

Name

101402-3801

9 400 610 441

3863338 KOMATSU

INJECTION-PUMP ASSEMBLY
4D102E K 14BC INJECTION PUMP ASSY PE4A,5A, PE

101402-3801

9 400 610 441

6731711110 KOMATSU

INJECTION-PUMP ASSEMBLY
4D102E K 14BC INJECTION PUMP ASSY 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 12DNSD12T

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 131424-3420

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 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 1-3-4-2

Pre-stroke mm 2.5 2.45 2.55

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 10.2

Pump speed r/min 875 875 875

Average injection quantity mm3/st. 78.5 77.5 79.5

Max. variation between cylinders % 0 -2.5 2.5

Basic *

Fixing the lever *

Injection quantity adjustment_02

Adjusting point -

Rack position 8.2+-0.5

Pump speed r/min 510 510 510

Average injection quantity mm3/st. 15 14 16

Max. variation between cylinders % 0 -15 15

Fixing the rack *

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

Injection quantity adjustment_03

Adjusting point D

Rack position -

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 85 85 95

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)The torque control spring does not operate. (4)Adjust the secondary timing before adjusting the governor. (5)RACK LIMIT (6)Set idle sub-spring (7)Main spring setting
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K=5
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Speed control lever angle

F:Full speed I:Idle (1)- (2)Stopper bolt setting
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a=6deg+-5deg b=18deg+-5deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Without return spring
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----------
a=0deg+-5deg b=53deg+-5deg

Timing setting

(1)Pump vertical direction (2)Key groove position at No. 1 cylinder's beginning of injection position (at BTDC: aa). (3)Position of the key groove of the No. 1 cylinder at B.T.D.C. bb (fix the governor flyweight at this position for delivery). (4)B.T.D.C.: aa (5)At second timing adjustment, set the camshaft at the * position and tighten the flyweight locknut. (6)Align the flyweight's timing gear position with the lockpin groove and then fully tighten the flyweight to the camshaft. (7)Remove the lock pin and adjust the governor. Reinstall the lock pin to fix the flyweight for delivery.
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aa=15deg bb=0deg
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a=54deg54min+-3deg b=7deg30min+-30min