106682-4731 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066824731 6212711872

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

ZEXEL 106682-4731 1066824731

KOMATSU 6212711872 6212711872

Service parts 106682-4731 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 106068-2560

3. GOVERNOR 105447-1120

4. SUPPLY PUMP 105237-4310

5. AUTOM. ADVANCE MECHANIS

6. COUPLING PLATE 105664-0340

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105111-4402

11. Nozzle and Holder 6212-11-3202

12. Open Pre:MPa(Kqf/cm2) 24.5{250}

13. NOZZLE-HOLDER 105041-7122

14. NOZZLE 105015-8070

15. NOZZLE SET

Include in #1:

106682-4731 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 106682-4731 1066824731

KOMATSU 6212711872 6212711872

Zexel num

Bosch num

Firm num

Name

106682-4731
106682-4732

6212711872 KOMATSU

INJECTION-PUMP ASSEMBLY
SA6D140 * K

Calibration Data:

Adjustment conditions

Test oil
1404 Test oil ISO4113 or {SAEJ967d}

Test oil temperature degC 40 40 45

Nozzle and nozzle holder 105780-8130

Bosch type code EFEP215A

Nozzle 105780-0050

Bosch type code DN6TD119NP1T

Nozzle holder 105780-2090

Bosch type code EFEP215

Opening pressure MPa 17.2

Opening pressure kgf/cm2 175

Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-4-1000

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 1-5-3-6- 2-4

Pre-stroke mm 3.5 3.45 3.55

Beginning of injection position
Drive side NO.1

Difference between angles 1
Cal 1-5 deg. 60 59.5 60.5

Difference between angles 2
Cal 1-3 deg. 120 119.5 120.5

Difference between angles 3
Cal 1-6 deg. 180 179.5 180.5

Difference between angles 4
Cyl.1-2 deg. 240 239.5 240.5

Difference between angles 5
Cal 1-4 deg. 300 299.5 300.5

Injection quantity adjustment

Adjusting point A

Rack position 15.4

Pump speed r/min 900 900 900

Average injection quantity mm3/st. 360 355 365

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the rack *

Injection quantity adjustment_02

Adjusting point C

Rack position 7.8+-0.5

Pump speed r/min 400 400 400

Average injection quantity mm3/st. 17 15.5 18.5

Max. variation between cylinders % 0 -15 15

Fixing the rack *

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Minimum - maximum speed specification (2)Target notch: K (3)Tolerance for racks not indicated: +-0.05mm. (4)RACK LIMIT: R1 (5)Idle sub spring setting: L1. (6)Load lever stop (with the speed lever at full) (7)Variable speed specification: idling adjustment (8)Main spring setting
----------
K=10 R1=17.2+0.2mm L1=7.8-0.5mm
----------

Speed control lever angle

F:Full speed I:Idle (1)Set the pump speed at aa (2)Set the pump speed at bb (at delivery) (3)Stopper bolt setting
----------
aa=750r/min bb=900r/min
----------
a=3deg+-5deg b=10deg+-5deg c=26deg+-5deg

0000000901

F:Full load I:Idle S:Stop (1)Use the hole at R = aa (2)Without return spring
----------
aa=27mm
----------
a=(26.5deg)+-5deg b=30deg+-5deg c=53deg+-5deg