101431-4020 ZEXEL 9 400 612 064 BOSCH INJECTION-PUMP ASSEMBLY


Information injection-pump assembly

BOSCH 9 400 612 064 9400612064
ZEXEL 101431-4020 1014314020
ISUZU 8944457490 8944457490


Service parts 101431-4020 INJECTION-PUMP ASSEMBLY:

1. _
2. FUEL INJECTION PUMP 101043-9160
3. GOVERNOR 105520-3120
4. SUPPLY PUMP 105220-4742
5. AUTOM. ADVANCE MECHANIS 105621-0370
6. COUPLING PLATE
7. COUPLING PLATE
8. _
9. _
10. NOZZLE AND HOLDER ASSY 105151-1451
11. Nozzle and Holder 5-15300-039-1
12. Open Pre:MPa(Kqf/cm2) 11.8{120}
13. NOZZLE-HOLDER 105081-3141
14. NOZZLE 105000-1650
15. NOZZLE SET

Include in #1:

101431-4020 as INJECTION-PUMP ASSEMBLY

Cross reference number

BOSCH 9 400 612 064 9400612064
ZEXEL 101431-4020 1014314020
ISUZU 8944457490 8944457490


Zexel num Bosch num Firm num Firm Name
101431-4020  9 400 612 064  8944457490  ISUZU INJECTION-PUMP ASSEMBLY
C240 K 14BC INJECTION PUMP ASSY PE4A,5A, PE

Calibration Data:



Adjustment conditions
Test oil   ISO4113 or {SAEJ967d}
1404 Test oil
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 mm   6-2-600
Outer diameter - inner diameter - length (mm)
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)   L
Left


Injection timing adjustment
Direction of rotation (viewed from drive side)   L
Left
Injection order   1-3-4-2
Pre-stroke mm   2.25 2.2 2.3
Beginning of injection position   NO.1
Drive side
Difference between angles 1 deg.   90 89.5 90.5
Cal 1-3
Difference between angles 2 deg.   180 179.5 180.5
Cal 1-4
Difference between angles 3 deg.   270 269.5 270.5
Cyl.1-2


Injection quantity adjustment
Adjusting point   -
Rack position   12.7
Pump speed r/min   1000 1000 1000
Average injection quantity mm3/st.   36.8 35.8 37.8
Max. variation between cylinders %   0 -2.5 2.5
Basic   *
Fixing the rack   *


Injection quantity adjustment_02
Adjusting point   -
Rack position   8.4+-0.5
Pump speed r/min   350 350 350
Average injection quantity mm3/st.   7 5.9 8.1
Max. variation between cylinders %   0 -14 14
Fixing the rack   *


Timer adjustment
Pump speed r/min   500+-50
Advance angle deg.   0 0 0
Remarks  
Start


Timer adjustment_02
Pump speed r/min   800
Advance angle deg.   1 0.5 1.5


Timer adjustment_03
Pump speed r/min   1050
Advance angle deg.   2 1.2 2.7


Timer adjustment_04
Pump speed r/min   1500
Advance angle deg.   4.5 3.9 4.9


Timer adjustment_05
Pump speed r/min   1750
Advance angle deg.   6 5.5 6.5
Remarks  
Finish

Test data Ex:



Governor adjustment

Test data 101431-4020 P:Negative pressure R:Rack position (mm) (1)Pneumatic governor (2)Torque control stroke (3)Beginning of idle sub spring operation: L1
----------
L1=6.5-0.5mm
----------



0000001101

Test data 101431-4020 N:Normal B:When boosted S:Stop (1)Rack position = aa
----------
aa=17.5mm
----------
a=7deg+-5deg b=24.5deg+-5deg c=9deg+-5deg



Timing setting

Test data 101431-4020 (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=16.5deg
----------
a=(60deg)





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Group cross number

Isuzu 

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