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


106682-4731 INJECTION-PUMP ASSEMBLY
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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

Test data 106682-4731
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

Test data 106682-4731
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

Test data 106682-4731
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

Timing setting

Test data 106682-4731
(1)Pump vertical direction (2)Coupling's key groove position at No 1 cylinder's beginning of injection (3)- (4)-
----------

----------
a=(260deg)




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106682-4731  

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