101472-3700 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014723700 6144711122

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 101472-3700 1014723700

KOMATSU 6144711122 6144711122

Service parts 101472-3700 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 101047-8180

3. GOVERNOR 105400-1520

4. SUPPLY PUMP 105220-1860

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105151-1530

11. Nozzle and Holder 6142-12-3300

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

13. NOZZLE-HOLDER 105081-2190

14. NOZZLE

105000-1130

15. NOZZLE SET

Include in #1:

101472-3700 as INJECTION-PUMP ASSEMBLY

101602-0430 as _

Cross reference number

ZEXEL 101472-3700 1014723700

KOMATSU 6144711122 6144711122

Zexel num

Bosch num

Firm num

Name

101472-3700

6144711122 KOMATSU

INJECTION-PUMP ASSEMBLY
4D94 * 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)
Right R

Injection timing adjustment

Direction of rotation (viewed from drive side)
Right R

Injection order 1-2-4-3

Pre-stroke mm 2.2 2.15 2.25

Beginning of injection position
Governor side NO.1

Difference between angles 1
Cyl.1-2 deg. 90 89.5 90.5

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

Difference between angles 3
Cal 1-3 deg. 270 269.5 270.5

Injection quantity adjustment

Adjusting point A

Rack position 9

Pump speed r/min 1200 1200 1200

Average injection quantity mm3/st. 40.5 39.5 41.5

Max. variation between cylinders % 0 -2 2

Basic *

Fixing the rack *

Injection quantity adjustment_02

Adjusting point C

Rack position 7.3+-0.5

Pump speed r/min 350 350 350

Average injection quantity mm3/st. 9 8.2 9.8

Max. variation between cylinders % 0 -15 15

Fixing the rack *

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

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Target notch: K (2)RACK CAP: R1 (3)Torque control stroke
----------
K=11 R1=18+1mm
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Speed control lever angle

F:Full speed I:Idle S:Stop
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a=14deg+-5deg b=32deg+-3deg c=22deg+-5deg

0000001501 LEVER

(F) P/N: Part number of the shim L1:Thickness (mm) 1. Adjustment of the control lever (1)Perform idling with the control lever (A) contacting the pushrod (B). At this time, confirm that the spring (C) is not compressed by control lever (A)'s operating torque. (2)To set the stop position, compress spring (C) using the control lever (A) and adjust the rack so that it contacts the guide screw (D) at position L2. Then, set and fix using the lock nut (E). Adjust the rack position L2 at this time using the shim (F). (3)Confirm that the control lever (A) returns to the idling position when pulled in the stop direction and then released.
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L2=0.2~2mm
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Timing setting

(1)Pump vertical direction (2)Position of key groove at No 1 cylinder's beginning of injection (3)Stamp aligning marks on the pump housing flange. (4)- (5)-
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a=50deg24min+-3deg b=9deg36min+-30min