101421-4990 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014214990 5156010552


101421-4990 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 101421-4990 1014214990
ISUZU 5156010552 5156010552

Cross reference number

ZEXEL 101421-4990 1014214990
ISUZU 5156010552 5156010552


Zexel num
Bosch num
Firm num
Name
101421-4990 
 
5156010552  ISUZU
INJECTION-PUMP ASSEMBLY
C190 * K 14BC PE4A,5A, PE

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)
Left
  L
Injection timing adjustment
Direction of rotation (viewed from drive side)
Left
  L
Injection order   1-3-4-2
Pre-stroke mm   1.75 1.7 1.8
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   12.2
Pump speed r/min   1000 1000 1000
Average injection quantity mm3/st.   31.8 30.4 33.2
Max. variation between cylinders %   0 -4 4
Fixing the rack   *
Injection quantity adjustment_02
Adjusting point   B
Rack position   12
Pump speed r/min   1300 1300 1300
Average injection quantity mm3/st.   32 31 33
Max. variation between cylinders %   0 -2.5 2.5
Basic   *
Fixing the rack   *
Injection quantity adjustment_03
Adjusting point   C
Rack position   8.1+-0.5
Pump speed r/min   350 350 350
Average injection quantity mm3/st.   8 6.9 9.1
Max. variation between cylinders %   0 -14 14
Fixing the rack   *
Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.
 
Timer adjustment
Pump speed r/min   800+-50
Advance angle deg.   0 0 0
Remarks
Start
 
Timer adjustment_02
Pump speed r/min   1100
Advance angle deg.   1.7 1.2 2.2
Timer adjustment_03
Pump speed r/min   1500
Advance angle deg.   4 3.3 4.7
Timer adjustment_04
Pump speed r/min   1900
Advance angle deg.   5.3 4.6 6
Timer adjustment_05
Pump speed r/min   2250
Advance angle deg.   6.5 6 7
Remarks
Finish
 

Test data Ex:

Governor adjustment

Test data 101421-4990
N:Pump speed R:Rack position (mm) P:Negative pressure (1)Pneumatic governor (2)Mechanical governor (3)Acting negative pressure: P1 (4)Beginning of idle sub spring operation: L1 (5)Injection quantity Q = Q1 or less
----------
L1=4.9+-0.3mm Q1=3mm3/st
----------

Timing setting

Test data 101421-4990
(1)Pump vertical direction (2)Gear mark Z for the No. 4 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=18deg
----------
a=(60deg)




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