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101472-3840 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014723840 6144711520


101472-3840 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 101472-3840 1014723840
KOMATSU 6144711520 6144711520

Cross reference number

ZEXEL 101472-3840 1014723840
KOMATSU 6144711520 6144711520


Zexel num Bosch num Firm num Firm Name
101472-3840    6144711520  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   11.1
Pump speed r/min   700 700 700
Average injection quantity mm3/st.   43 42 44
Max. variation between cylinders %   0 -2 2
Basic   *
Fixing the lever   *
Injection quantity adjustment_02
Adjusting point   B
Rack position   8.8+-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

Test data 101472-3840
N:Pump speed R:Rack position (mm) (1)Target notch: K (2)RACK CAP: R1 (3)Idle sub spring setting: L1.
----------
K=7 R1=18+1mm L1=7.7-0.5mm
----------

Speed control lever angle

Test data 101472-3840
F:Full speed S:Stop (1)Set the pump speed at aa. ( At delivery ) (2)Pump speed = bb
----------
aa=900r/min bb=750r/min
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a=4deg+-5deg b=6deg+-5deg c=32deg+-3deg

Stop lever angle

Test data 101472-3840
N:Pump normal S:Stop the pump. (1)At shipping
----------

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

Timing setting

Test data 101472-3840
(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 101472-3840 ZEXEL

Komatsu 

101472-3800    6144711260  INJECTION-PUMP ASSEMBLY
4D94
101472-3810    6144711270  INJECTION-PUMP ASSEMBLY
4D94
101472-3820 
101472-3830    6144711510  INJECTION-PUMP ASSEMBLY
4D94
101472-3830    6144711511  INJECTION-PUMP ASSEMBLY
4D94
101472-3840    6144711520  INJECTION-PUMP ASSEMBLY
4D94
101472-3850    6144711530  INJECTION-PUMP ASSEMBLY
4D94
101472-3860    6144711330  INJECTION-PUMP ASSEMBLY
4D94
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