106681-4023 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066814023


106681-4023 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 106681-4023 1066814023

Service parts 106681-4023 INJECTION-PUMP ASSEMBLY:

1. _
2. FUEL INJECTION PUMP
3. GOVERNOR
4. SUPPLY PUMP 105237-1690
5. AUTOM. ADVANCE MECHANIS 105682-0001
6. COUPLING PLATE 105664-0540
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:

106681-4023 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 106681-4023 1066814023


Zexel num
Bosch num
Firm num
Name
106681-4023 
106681-4027 
 
  KOMATSU
INJECTION-PUMP ASSEMBLY
SA12V140 *

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   8-3-600
Overflow valve   131424-7120
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   15.3
Pump speed r/min   1050 1050 1050
Average injection quantity mm3/st.   345.2 343.2 347.2
Max. variation between cylinders %   0 -3 3
Basic   *
Fixing the lever   *
Boost pressure kPa   86.6 86.6
Boost pressure mmHg   650 650
Injection quantity adjustment_02
Adjusting point   B
Rack position   9.3+-0.5
Pump speed r/min   300 300 300
Average injection quantity mm3/st.   20 18.5 21.5
Max. variation between cylinders %   0 -15 15
Fixing the rack   *
Boost pressure kPa   0 0 0
Boost pressure mmHg   0 0 0
Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.
 
Boost compensator adjustment
Pump speed r/min   600 600 600
Rack position   13.2
Boost pressure kPa   12 9.3 14.7
Boost pressure mmHg   90 70 110
Boost compensator adjustment_02
Pump speed r/min   600 600 600
Rack position   16
Boost pressure kPa   58.7 52 65.4
Boost pressure mmHg   440 390 490
Timer adjustment
Pump speed r/min   800--
Advance angle deg.   0 0 0
Remarks
Start
 
Timer adjustment_02
Pump speed r/min   750
Advance angle deg.   0.5
Timer adjustment_03
Pump speed r/min   1050
Advance angle deg.   2.5 2 3
Remarks
Finish
 

Test data Ex:

Governor adjustment

Test data 106681-4023
N:Pump speed R:Rack position (mm) (1)Notch fixed: K (2)Boost compensator stroke (3)Rack difference between N = N1 and N = N2 (4)Set the No 1 idle sub spring. (5)Set the 2nd idle sub spring.
----------
K=20 N1=1050r/min N2=750r/min
----------

Speed control lever angle

Test data 106681-4023
F:Full speed I:Idle (1)Stopper bolt setting
----------

----------
a=(32deg)+-5deg b=(26deg)+-5deg

Stop lever angle

Test data 106681-4023
N:Pump normal S:Stop the pump. (1)Pump speed aa, rack position bb (2)(Seal at delivery.)
----------
aa=0r/min bb=1-0.2mm
----------
a=29deg+-5deg b=(73deg)

Timing setting

Test data 106681-4023
(1)Pump vertical direction (2)Coupling's key groove position at No 1 cylinder's beginning of injection (3)- (4)-
----------

----------
a=(30deg)




Have questions with 106681-4023?





Group cross 106681-4023 ZEXEL

Komatsu 

 
6215711110 
INJECTION-PUMP ASSEMBLY
SA12V140
106681-4023  

106681-4027 
 
 
INJECTION-PUMP ASSEMBLY
SA12V140
 
6215711111 
INJECTION-PUMP ASSEMBLY
SA12V140
 
 
INJECTION-PUMP ASSEMBLY
F 019 Z10 872 
 
INJECTION-PUMP ASSEMBLY
SA12V140

Komatsu 

9 400 617 486 
6215711112 
INJECTION-PUMP ASSEMBLY
SA12V140
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