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101472-3791 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014723791 6144711211


101472-3791 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 101472-3791 1014723791
KOMATSU 6144711211 6144711211

Cross reference number

ZEXEL 101472-3791 1014723791
KOMATSU 6144711211 6144711211


Zexel num
Bosch num
Firm num
Name
101472-3791 
 
6144711211  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
Drive 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   8.4
Pump speed r/min   1450 1450 1450
Average injection quantity mm3/st.   38.5 37.5 39.5
Max. variation between cylinders %   0 -2 2
Basic   *
Fixing the lever   *
Injection quantity adjustment_02
Adjusting point   B
Rack position   7.5+-0.5
Pump speed r/min   275 275 275
Average injection quantity mm3/st.   8 7.2 8.8
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

Test data 101472-3791
N:Pump speed R:Rack position (mm) (1)Target notch: K (2)Rack difference between N = N1 and N = N2
----------
K=5 N1=1450r/min N2=900r/min
----------

Speed control lever angle

Test data 101472-3791
F:Full speed I:Idle (1)Set the pump speed at aa (2)Stopper bolt setting
----------
aa=900r/min
----------
a=35deg+-5deg b=32deg+-5deg c=15deg+-5deg

Stop lever angle

Test data 101472-3791
N:Pump normal S:Stop the pump.
----------

----------
a=26.5deg+-5deg b=53deg+-5deg

Timing setting

Test data 101472-3791
(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)-
----------

----------
a=50deg24min+-3deg b=9deg36min+-30min




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Group cross 101472-3791 ZEXEL

Komatsu 

101472-3700  
 
6144711122 
INJECTION-PUMP ASSEMBLY
4D94
101472-3710  
9 400 614 198 
6144751104 
INJECTION-PUMP ASSEMBLY
4D94
101472-3722  
9 400 614 199 
6144711152 
INJECTION-PUMP ASSEMBLY
4D94
101472-3730  
 
6144751302 
INJECTION-PUMP ASSEMBLY
4D94
101472-3740  
9 400 614 200 
6144751201 
INJECTION-PUMP ASSEMBLY
4D94
101472-3750  
 
6144711250 
INJECTION-PUMP ASSEMBLY
4D94
101472-3760  
9 400 614 201 
6144751303 
INJECTION-PUMP ASSEMBLY
4D94
101472-3770  
 
6144711290 
INJECTION-PUMP ASSEMBLY
4D94
101472-3780  

101472-3840 
 
6144751105 
INJECTION-PUMP ASSEMBLY
4D94
101472-3790  

101472-3791 
 
6144711210 
INJECTION-PUMP ASSEMBLY
4D94
101472-3791  
 
6144711211 
INJECTION-PUMP ASSEMBLY
4D94
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