106873-7631 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1068737631


106873-7631 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 106873-7631 1068737631

Service parts 106873-7631 INJECTION-PUMP ASSEMBLY:

1. _
2. FUEL INJECTION PUMP 106080-7091
3. GOVERNOR 105923-2580
4. SUPPLY PUMP 105237-5020
5. AUTOM. ADVANCE MECHANIS 105691-3990
6. COUPLING PLATE 105664-2020
7. COUPLING PLATE
8. _
9. _
10. NOZZLE AND HOLDER ASSY 105110-7391
11. Nozzle and Holder ME161933
12. Open Pre:MPa(Kqf/cm2) 15.7{160}/24.5{250}
13. NOZZLE-HOLDER 105041-4101
14. NOZZLE
15. NOZZLE SET 105019-0380

Include in #1:

106873-7631 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 106873-7631 1068737631


Zexel num
Bosch num
Firm num
Name
106873-7631 
 
   
INJECTION-PUMP ASSEMBLY
14CD PE8P PE

Calibration Data:

Adjustment conditions
Test oil
1404 Test oil
  ISO4113 or {SAEJ967d}
Test oil temperature degC   40 40 45
Nozzle and nozzle holder   105780-8250
Bosch type code   1 688 901 101
Nozzle   105780-0120
Bosch type code   1 688 901 990
Nozzle holder   105780-2190
Opening pressure MPa   20.7
Opening pressure kgf/cm2   211
Injection pipe
Outer diameter - inner diameter - length (mm)
mm   8-3-600
Overflow valve   131425-0220
Overflow valve opening pressure kPa   157 123 191
Overflow valve opening pressure kgf/cm2   1.6 1.25 1.95
Tester oil delivery pressure kPa   255 255 255
Tester oil delivery pressure kgf/cm2   2.6 2.6 2.6
Direction of rotation (viewed from drive side)
Right
  R
Injection timing adjustment
Direction of rotation (viewed from drive side)
Right
  R
Injection order   1-2-7-3- 4-5-6-8
Pre-stroke mm   3.9 3.85 3.95
Beginning of injection position
Governor side
  NO.1
Difference between angles 1
Cyl.1-2
deg.   45 44.5 45.5
Difference between angles 2
Cal 1-7
deg.   90 89.5 90.5
Difference between angles 3
Cal 1-3
deg.   135 134.5 135.5
Difference between angles 4
Cal 1-4
deg.   180 179.5 180.5
Difference between angles 5
Cal 1-5
deg.   225 224.5 225.5
Difference between angles 6
Cal 1-6
deg.   270 269.5 270.5
Difference between angles 7
Cal 1-8
deg.   315 314.5 315.5
Injection quantity adjustment
Adjusting point   -
Rack position   12.7
Pump speed r/min   700 700 700
Each cylinder's injection qty mm3/st.   144 139.7 148.3
Basic   *
Fixing the rack   *
Standard for adjustment of the maximum variation between cylinders   *
Injection quantity adjustment_02
Adjusting point   Z
Rack position   8+-0.5
Pump speed r/min   445 445 445
Each cylinder's injection qty mm3/st.   16.5 14 19
Fixing the rack   *
Standard for adjustment of the maximum variation between cylinders   *
Injection quantity adjustment_03
Adjusting point   A
Rack position   R1(12.7)
Pump speed r/min   700 700 700
Average injection quantity mm3/st.   144 143 145
Basic   *
Fixing the lever   *
Injection quantity adjustment_04
Adjusting point   B
Rack position   R1+0.8
Pump speed r/min   1100 1100 1100
Average injection quantity mm3/st.   139 135 143
Fixing the lever   *
Injection quantity adjustment_05
Adjusting point   C
Rack position   (R1-0.8)
Pump speed r/min   500 500 500
Average injection quantity mm3/st.   139.5 135.5 143.5
Fixing the lever   *

Test data Ex:

Governor adjustment

Test data 106873-7631
N:Pump speed R:Rack position (mm) (1)Torque cam stamping: T1 (2)Tolerance for racks not indicated: +-0.05mm. (3)Air cylinder ON (4)Air cylinder OFF (5)Damper spring setting
----------
T1=AD95
----------

Timer adjustment

Test data 106873-7631
(1)Adjusting range (2)Step response time (N): Speed of the pump (L): Load (theta) Advance angle (Srd1) Step response time 1 (Srd2) Step response time 2 1. Adjusting conditions for the variable timer (1)Adjust the clearance between the pickup and the protrusion to L.
----------
L=1-0.2mm N2=800r/min C2=(10)deg t1=2.5--sec. t2=2.5--sec.
----------
N1=750++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=10+-0.3deg R01=0/4load R02=4/4load

Speed control lever angle

Test data 106873-7631
F:Full speed I:Idle (1)Use the hole at R = aa (2)Stopper bolt set position 'H' (3)When air cylinder ON. (4)When air cylinder OFF. (5)Viewed from feed pump side.
----------
aa=37.5mm
----------
a=(16deg) b=34deg+-3deg c=30deg+-5deg

Stop lever angle

Test data 106873-7631
N:Pump normal S:Stop the pump. (1)Use the hole at R = aa (2)Set the stopper bolt so that speed = bb and rack position = cc. (Confirm non-injection.) (3)Normal engine position (Rack position corresponding to dd)
----------
aa=54mm bb=1100r/min cc=3.5+-0.3mm dd=18mm
----------
a=41deg+-5deg b=5.5deg+-5deg c=(31deg)

0000001501 RACK SENSOR

Test data 106873-7631
(VR) measurement voltage (I) Part number of the control unit (G) Apply red paint. (H): End surface of the pump 1. Rack sensor adjustment (-0620) (1)Fix the speed control lever at the full position (2)Set the speed to N1 r/min. (If the boost compensator is provided, apply boost pressure.) (3)Adjust the bobbin (A) so that the rack sensor's output voltage is VR+-0.01. (4)At that time, rack position must be Ra. (5)Apply G at two places. Connecting part between the joint (B) and the nut (F) Connecting part between the joint (B) and the end surface of the pump (H)
----------
N1=1100r/min Ra=R1(12.7)+0.8mm
----------

0000001601 AIR CYLINDER

Test data 106873-7631
<A> stopper bolt <B> stopper bolt <C> stopper bolt (a) lever (b) air cylinder (c) speed lever (d) Nut (e) nut (f) lever (g) nut 1. Stopper bolt <A> adjustment method (1)When air cylinder pressure is P1, set the gap between the lever (a) and the air cylinder (b) to L1. (2)Confirm that the speed lever (c) operates between idling and full speed. (3)Fix stopper bolt <A> using nut (d). 2. Stopper bolt <B> adjustment method. (1)At air cylinder pressure P2, pump speed N1 and rack position is R1, adjust stopper bolt (B) so that the speed lever (c) is in the stop position. (2)Turn the stopper bolt (c) so that the clearance between lever (a) and lever (f) is L2, then fix using nut (g). (3)Move the lever (a) several times and fix stopper bolt <B> using the nut (e). (4)Tightening torque T1 for nuts (d), (e) and (g)
----------
L1=1+0.5++mm L2=0~1.5++mm P1=0kPa(0kgf/cm2) P2=686+98kpa(7+1kgf/cm2) N1=530r/min R1=8.2+-0.1mm T1=4.9~6.86N-m(0.5~0.7kgf-m)
----------

Timing setting

Test data 106873-7631
(1)Pump vertical direction (2)Coupling's key groove position at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=6deg
----------
a=(50deg)




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