104304-3120 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1043043120 5156013821


104304-3120 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 104304-3120 1043043120
ISUZU 5156013821 5156013821

Cross reference number

ZEXEL 104304-3120 1043043120
ISUZU 5156013821 5156013821


Zexel num
Bosch num
Firm num
Name
104304-3120 
104304-3121 
 
5156013821  ISUZU
INJECTION-PUMP ASSEMBLY
4FA1 *

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   1-3-4-2
Pre-stroke mm   2.1 2.05 2.15
Rack position
Point B
  R=B
Beginning of injection position
Drive side
  NO.1
Difference between angles 1
Cal 1-3
deg.   90 89.5 90.5
Difference between angles 2
Cal 1-4
deg.   180 179.5 180.5
Difference between angles 3
Cyl.1-2
deg.   270 269.5 270.5
Injection quantity adjustment
Adjusting point   A
Rack position   9.1
Pump speed r/min   700 700 700
Average injection quantity mm3/st.   27.5 27 28
Max. variation between cylinders %   0 -2.5 2.5
Basic   *
Fixing the lever   *
Injection quantity adjustment_02
Adjusting point   C
Rack position   6.8+-0.5
Pump speed r/min   425 425 425
Average injection quantity mm3/st.   8.7 7.7 9.7
Max. variation between cylinders %   0 -14 14
Fixing the lever   *
Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.
 

Test data Ex:

Governor adjustment

Test data 104304-3120
N:Pump speed R:Rack position (mm) (1)Torque control stroke: L1 (2)Set the idle spring. (3)Main spring setting (4)Rack difference between N = N1 and N = N2 (5)Rack difference between N = N3 and N = N4
----------
L1=0.9mm N1=1000r/min N2=700r/min N3=1300r/min N4=700r/min
----------

Speed control lever angle

Test data 104304-3120
F:Full speed I:Idle
----------

----------
a=7deg+-3deg b=28deg+-6deg

Timing setting

Test data 104304-3120
(1)Pump vertical direction (2)Position of gear's standard threaded hole at No 1 cylinder's beginning of injection (same as key groove position) (3)B.T.D.C.: aa (4)-
----------
aa=20deg
----------
a=(50deg)




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