101491-0290 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014910290 8941788180


101491-0290 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 101491-0290 1014910290
ISUZU 8941788180 8941788180

Cross reference number

ZEXEL 101491-0290 1014910290
ISUZU 8941788180 8941788180


Zexel num
Bosch num
Firm num
Name
101491-0290 
101491-0293 
 
8941788180  ISUZU
INJECTION-PUMP ASSEMBLY
4BC2 *

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   10.2
Pump speed r/min   1100 1100 1100
Average injection quantity mm3/st.   51 49.4 52.6
Max. variation between cylinders %   0 -2.5 2.5
Basic   *
Fixing the rack   *
Standard for adjustment of the maximum variation between cylinders   *
Injection quantity adjustment_02
Adjusting point   -
Rack position   9.8+-0.5
Pump speed r/min   300 300 300
Average injection quantity mm3/st.   9.5 8 11
Max. variation between cylinders %   0 -14 14
Fixing the rack   *
Standard for adjustment of the maximum variation between cylinders   *
Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.
 
Injection quantity adjustment_03
Adjusting point   A
Rack position   R1(10.2)
Pump speed r/min   1100 1100 1100
Average injection quantity mm3/st.   51 50 52
Basic   *
Fixing the lever   *
Injection quantity adjustment_04
Adjusting point   B
Rack position   R1-0.1
Pump speed r/min   1800 1800 1800
Average injection quantity mm3/st.   49.2 47.6 50.8
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.   40 38.4 41.6
Fixing the lever   *
Injection quantity adjustment_06
Adjusting point   I
Rack position   15++
Pump speed r/min   100 100 100
Average injection quantity mm3/st.   73 65 81
Fixing the lever   *
Timer adjustment
Pump speed r/min   1200--
Advance angle deg.   0 0 0
Remarks
Start
 
Timer adjustment_02
Pump speed r/min   1150
Advance angle deg.   0.6
Timer adjustment_03
Pump speed r/min   1900
Advance angle deg.   4 3.5 4.5
Remarks
Finish
 

Test data Ex:

Governor adjustment

Test data 101491-0290
N:Pump speed R:Rack position (mm) (1)Torque cam stamping: T1
----------
T1=A49
----------

Speed control lever angle

Test data 101491-0290
F:Full speed I:Idle (1)Stopper bolt set position 'H'
----------

----------
a=5.5deg+-5deg b=37deg+-3deg

Stop lever angle

Test data 101491-0290
N:Pump normal S:Stop the pump.
----------

----------
a=45deg+-5deg b=40deg+-5deg

0000001501 ACS

Test data 101491-0290
(A) Housing (B) Snap ring (C) adjusting screw (D) Set screw (E): Push rod (F) Spacer 1. Adjustment of the aneroid compensator (1)Adjust with the (D) set screw so that the clearance between the (A) housing and (B) snap ring is L1. (2)Select the push rod (E) so that the distance from the end surface of the (F) spacer becomes L2. (3)(C) Turn the screw to adjust the beginning of aneroid compensator operation. 2. Adjustment when mounting the governor. (1)Set the speed of the pump to N1 r/min and fix the control lever at the full set position. (2)Adjust using screw C to obtain the performance shown in the graph above. (3)After final adjustment, confirm that the gap between housing (A) and snapring (B) is L3.
----------
N1=1100r/min L1=1.4~1.7mm L2=0.5+-0.5mm L3=(0.1~0.5)mm
----------
Ra=R1(10.2)mm Rb=R1-0.6mm Pa=4+-2.7kPa(30+-20mmHg) Pb=22kPa(165mmHg) Q1=51+-1cm3/1000st Q2=-

Timing setting

Test data 101491-0290
(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=(90deg)




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