101491-0240 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014910240 8941279591


101491-0240 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 101491-0240 1014910240
ISUZU 8941279591 8941279591

Cross reference number

ZEXEL 101491-0240 1014910240
ISUZU 8941279591 8941279591


Zexel num
Bosch num
Firm num
Name
101491-0240 
101491-0330 
 
8941279591  ISUZU
INJECTION-PUMP ASSEMBLY
4BC2 * 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   1-3-4-2
Pre-stroke mm   3.4 3.35 3.45
Rack position
Point A
  R=A
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   -
Rack position   10.4
Pump speed r/min   1100 1100 1100
Average injection quantity mm3/st.   55 53.4 56.6
Max. variation between cylinders %   0 -2.6 2.6
Basic   *
Fixing the rack   *
Standard for adjustment of the maximum variation between cylinders   *
Injection quantity adjustment_02
Adjusting point   H
Rack position   9.5+-0.5
Pump speed r/min   300 300 300
Average injection quantity mm3/st.   6.7 5.2 8.2
Max. variation between cylinders %   0 -14 14
Fixing the rack   *
Standard for adjustment of the maximum variation between cylinders   *
Injection quantity adjustment_03
Adjusting point   A
Rack position   R1(10.4)
Pump speed r/min   1100 1100 1100
Average injection quantity mm3/st.   55 54 56
Basic   *
Fixing the lever   *
Injection quantity adjustment_04
Adjusting point   B
Rack position   (R1-0.1)
Pump speed r/min   1750 1750 1750
Average injection quantity mm3/st.   54.8 53.2 56.4
Fixing the lever   *
Injection quantity adjustment_05
Adjusting point   C
Rack position   (R1+0.1)
Pump speed r/min   700 700 700
Average injection quantity mm3/st.   42.5 40.9 44.1
Fixing the lever   *
Injection quantity adjustment_06
Adjusting point   I
Rack position   R2(16.9)
Pump speed r/min   100 100 100
Average injection quantity mm3/st.   73 65 81
Fixing the lever   *
Rack limit   *
Timer adjustment
Pump speed r/min   1650--
Advance angle deg.   0 0 0
Remarks
Start
 
Timer adjustment_02
Pump speed r/min   1600
Advance angle deg.   0.6
Timer adjustment_03
Pump speed r/min   1800
Advance angle deg.   3 2.5 3.5
Timer adjustment_04
Pump speed r/min   1900
Advance angle deg.   4.5 4 5
Timer adjustment_05
Pump speed r/min   -
Advance angle deg.   5 5 5
Remarks
Measure the actual speed, stop
 

Test data Ex:

Governor adjustment

Test data 101491-0240
N:Pump speed R:Rack position (mm) (1)RACK LIMIT (2)Maximum speed at end of increased fuel quantity for starting: NS (3)Set using full load set screw.
----------
NS=1350r/min
----------

Stop lever angle

Test data 101491-0240
N:Pump normal S:Stop the pump.
----------

----------
a=0deg+-5deg b=33deg+-5deg

Timing setting

Test data 101491-0240
(1)Pump vertical direction (2)Position of gear mark 'CC' at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=15deg
----------
a=(100deg)




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Isuzu 

 
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INJECTION-PUMP ASSEMBLY
4BC2
 
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4BC2
 
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4BC2
 
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4BC2
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101491-0240  

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4BC2
 
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4BC2
 
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