101492-0990 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014920990 8972142951


101492-0990 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 101492-0990 1014920990
ISUZU 8972142951 8972142951

Service parts 101492-0990 INJECTION-PUMP ASSEMBLY:

1. _
2. FUEL INJECTION PUMP 101049-5130
3. GOVERNOR 105400-8840
4. SUPPLY PUMP 105220-6560
5. AUTOM. ADVANCE MECHANIS
6. COUPLING PLATE
7. COUPLING PLATE 156643-1220
8. _
9. _
10. NOZZLE AND HOLDER ASSY 105118-6721
11. Nozzle and Holder 8-97211-280-0
12. Open Pre:MPa(Kqf/cm2) 18.1{185}
13. NOZZLE-HOLDER 105048-3230
14. NOZZLE 105017-2690
15. NOZZLE SET

Include in #1:

101492-0990 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 101492-0990 1014920990
ISUZU 8972142951 8972142951


Zexel num
Bosch num
Firm num
Name
101492-0990 
101492-0991 
 
8972142951  ISUZU
INJECTION-PUMP ASSEMBLY
4JG1 * 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
Overflow valve   131424-0820
Overflow valve opening pressure kPa   127 107 147
Overflow valve opening pressure kgf/cm2   1.3 1.1 1.5
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   2.6 2.55 2.65
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   8.4
Pump speed r/min   950 950 950
Average injection quantity mm3/st.   54 53 55
Max. variation between cylinders %   0 -2.5 2.5
Basic   *
Fixing the lever   *
Injection quantity adjustment_02
Adjusting point   -
Rack position   6.8+-0.5
Pump speed r/min   500 500 500
Average injection quantity mm3/st.   11.5 9.5 13.5
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 101492-0990
N:Pump speed R:Rack position (mm) (1)Target notch: K (2)Tolerance for racks not indicated: +-0.05mm. (3)Set idle sub-spring (4)Main spring setting (5)Rack difference from N = N1
----------
K=6 N1=600r/min
----------

Speed control lever angle

Test data 101492-0990
F:Full speed I:Idle S:Stop
----------

----------
a=0deg+-5deg b=16deg+-5deg c=35deg+-3deg

Stop lever angle

Test data 101492-0990
N:Pump normal S:Stop the pump. (1)Normal
----------

----------
a=2.5deg+-5deg b=53deg+-5deg

Timing setting

Test data 101492-0990
(1)Pump vertical direction (2)Position of gear mark 'W' at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=12deg
----------
a=(210deg)




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