106876-2020 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1068762020

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 106876-2020 1068762020

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Cross reference number

ZEXEL 106876-2020 1068762020

Zexel num

Bosch num

Firm num

Name

106876-2020

INJECTION-PUMP ASSEMBLY
8DC9TC

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 8-3-600

Overflow valve 131424-4620

Overflow valve opening pressure kPa 255 221 289

Overflow valve opening pressure kgf/cm2 2.6 2.25 2.95

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 1-2-7-3- 4-5-6-8

Pre-stroke mm 4.8 4.75 4.85

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 A

Rack position 11.3

Pump speed r/min 800 800 800

Average injection quantity mm3/st. 161 158 164

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the lever *

Boost pressure kPa 61.3 61.3

Boost pressure mmHg 460 460

Injection quantity adjustment_02

Adjusting point B

Rack position 5.6+-0.5

Pump speed r/min 275 275 275

Average injection quantity mm3/st. 15.5 12.9 18.1

Max. variation between cylinders % 0 -15 15

Fixing the rack *

Boost pressure kPa 0 0 0

Boost pressure mmHg 0 0 0

Boost compensator adjustment

Pump speed r/min 500 500 500

Rack position R1-1.3

Boost pressure kPa 21.3 20 22.6

Boost pressure mmHg 160 150 170

Boost compensator adjustment_02

Pump speed r/min 500 500 500

Rack position R1(11.3)

Boost pressure kPa 48 41.3 54.7

Boost pressure mmHg 360 310 410

Timer adjustment

Pump speed r/min 950--

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 900

Advance angle deg. 0.5

Timer adjustment_03

Pump speed r/min 1100

Advance angle deg. 0.5 0 1

Timer adjustment_04

Pump speed r/min -

Advance angle deg. 1 1 1

Remarks
Measure the actual speed, stop

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Target notch: K (2)Supplied with torque spring not set. (3)Excess fuel lever setting: EXL (at boost pressure 0) (4)Main spring setting (5)Set idle sub-spring (6)Boost compensator stroke: BCL (7)At delivery
----------
K=10 EXL=13++mm BCL=1.3+-0.1mm
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Speed control lever angle

F:Full speed I:Idle (1)Stopper bolt setting (2)At delivery
----------

----------
a=6deg+-5deg b=28deg+-5deg c=(2deg)

Stop lever angle

N:Pump normal S:Stop the pump. (1)Normal
----------

----------
a=19deg+-5deg b=46deg+-5deg

0000001101

N:Normal B:When boosted (1)Rack position = at least aa (speed = bb; at boost pressure 0)
----------
aa=13mm bb=0r/min
----------
a=(10deg) b=(15deg)

Timing setting

(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=14deg
----------
a=(40deg)