101492-3550 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1014923550


101492-3550 INJECTION-PUMP ASSEMBLY
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Information injection-pump assembly

ZEXEL 101492-3550 1014923550

Cross reference number

ZEXEL 101492-3550 1014923550


Zexel num
Bosch num
Firm num
Name
101492-3550 
 
  KOMATSU
INJECTION-PUMP ASSEMBLY
S4D95L *

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   1-2-4-3
Pre-stroke mm   3.6 3.55 3.65
Beginning of injection position
Drive side
  NO.1
Difference between angles 1
Cyl.1-2
deg.   90 89.5 90.5
Difference between angles 2
Cal 1-4
deg.   180 179.5 180.5
Difference between angles 3
Cal 1-3
deg.   270 269.5 270.5
Injection quantity adjustment
Adjusting point   A
Rack position   10.8
Pump speed r/min   900 900 900
Average injection quantity mm3/st.   56.2 55.2 57.2
Max. variation between cylinders %   0 -2.5 2.5
Basic   *
Fixing the lever   *
Injection quantity adjustment_02
Adjusting point   -
Rack position   9+-0.5
Pump speed r/min   400 400 400
Average injection quantity mm3/st.   10.5 9.5 11.5
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 101492-3550
N:Pump speed R:Rack position (mm) (1)Target notch: K (2)RACK CAP: R1 (3)Idle sub spring setting: L1. (4)Rack difference between N = N1 and N = N2 (5)Rack difference between N = N3 and N = N4
----------
K=10 R1=(17.5)mm L1=6.6-0.5mm N1=900r/min N2=400r/min N3=900r/min N4=250r/min
----------

Speed control lever angle

Test data 101492-3550
F:Full speed I:Idle (1)Set the pump speed at aa. ( At delivery ) (2)Stopper bolt setting (3)Pump speed = bb
----------
aa=900r/min bb=750r/min
----------
a=(2deg)+-5deg b=(25deg)+-5deg c=(7deg)+-5deg

Stop lever angle

Test data 101492-3550
N:Pump normal S:Stop the pump. (1)No return spring
----------

----------
a=43.5deg+-5deg b=53deg+-5deg

Timing setting

Test data 101492-3550
(1)Pump vertical direction (2)Position of key groove at No 1 cylinder's beginning of injection (3)Stamp aligning marks on the pump housing flange. (4)-
----------

----------
a=59deg36min+-3deg b=0deg24min+-30min




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