106871-9250 ZEXEL F 019 Z20 272 BOSCH INJECTION-PUMP ASSEMBLY f019z20272 1068719250

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

BOSCH F 019 Z20 272 f019z20272

ZEXEL 106871-9250 1068719250

Cross reference number

BOSCH F 019 Z20 272 f019z20272

ZEXEL 106871-9250 1068719250

Zexel num

Bosch num

Firm num

Name

106871-9250

F 019 Z20 272

DPICO

INJECTION-PUMP ASSEMBLY
8DC9 Q

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 134424-1320

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 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 -

Rack position 9

Pump speed r/min 700 700 700

Each cylinder's injection qty mm3/st. 98.5 95.5 101.5

Basic *

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_02

Adjusting point F

Rack position 5.8+-0.5

Pump speed r/min 450 450 450

Each cylinder's injection qty mm3/st. 17.5 15.7 19.3

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_03

Adjusting point A

Rack position R1(9)

Pump speed r/min 700 700 700

Average injection quantity mm3/st. 98.5 97.5 99.5

Basic *

Fixing the lever *

Injection quantity adjustment_04

Adjusting point C

Rack position 6.3+-0.5

Pump speed r/min 225 225 225

Each cylinder's injection qty mm3/st. 20 14 26

Fixing the rack *

Remarks
(check)

Injection quantity adjustment_05

Adjusting point E

Rack position -

Pump speed r/min 100 100 100

Average injection quantity mm3/st. 130 90 170

Fixing the lever *

Remarks
After startup boost setting

Timer adjustment

Pump speed r/min (N1+50)- -

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min N1(800)

Advance angle deg. 0.5

Timer adjustment_03

Pump speed r/min (1020)

Advance angle deg. 4.5 4 5

Remarks
Finish

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Tolerance for racks not indicated: +-0.05mm. (2)Excess fuel setting for starting: SXL (3)Damper spring setting
----------
SXL=9.4+-0.1mm
----------

Speed control lever angle

F:Full speed
----------

----------
a=19.5deg+-5deg

0000000901

F:Full load I:Idle (1)Stopper bolt setting
----------

----------
a=10deg+-5deg b=23.5deg+-3deg

Stop lever angle

N:Engine manufacturer's normal use S:Stop the pump. (1)Rack position = aa (2)Stopper bolt setting (3)Rack position bb (4)Free (at delivery) (5)Drive side (6)R = cc
----------
aa=4-0.5mm bb=(13.2)mm cc=36mm
----------
a=45.5deg+7deg-5deg b=22deg+-5deg c=(10.5deg)

0000001501 MICRO SWITCH

Adjustment of the micro-switch Adjust the bolt to obtain the following lever position when the micro-switch is ON. (1)Speed N1 (2)Rack position Ra
----------
N1=325r/min Ra=5.8+-0.1mm
----------

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=13deg
----------
a=(40deg)