106693-6270 ZEXEL 9 400 612 051 BOSCH INJECTION-PUMP ASSEMBLY 9400612051 1066936270 8943920570

Information Cross number Calibration Data Calibration Data Ex

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Information injection-pump assembly

BOSCH 9 400 612 051 9400612051

ZEXEL 106693-6270 1066936270

ISUZU 8943920570 8943920570

Service parts 106693-6270 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 106067-6180

3. GOVERNOR 105923-4620

4. SUPPLY PUMP 105237-4760

5. AUTOM. ADVANCE MECHANIS 105691-4150

6. COUPLING PLATE 105663-1101

7. COUPLING PLATE

8. _

9. _

10. NOZZLE AND HOLDER ASSY 105110-8030

11. Nozzle and Holder 8-94392-058-0

12. Open Pre:MPa(Kqf/cm2) 15.7{160}/22.1{225}

13. NOZZLE-HOLDER 105041-2081

14. NOZZLE

15. NOZZLE SET 105019-2560

Include in #1:

106693-6270 as INJECTION-PUMP ASSEMBLY

Cross reference number

BOSCH 9 400 612 051 9400612051

ZEXEL 106693-6270 1066936270

ISUZU 8943920570 8943920570

Zexel num

Bosch num

Firm num

Name

106693-6270

9 400 612 051

8943920570 ISUZU

INJECTION-PUMP ASSEMBLY
6HK1-TC K 14CA INJECTION PUMP ASSY PE6P,6PD 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 131424-8620

Overflow valve opening pressure kPa 206 172 240

Overflow valve opening pressure kgf/cm2 2.1 1.75 2.45

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)
Left L

Injection timing adjustment

Direction of rotation (viewed from drive side)
Left L

Injection order 1-5-3-6- 2-4

Pre-stroke mm 3.6 3.57 3.63

Rack position
Point A R=A

Beginning of injection position
Governor side NO.1

Difference between angles 1
Cal 1-5 deg. 60 59.75 60.25

Difference between angles 2
Cal 1-3 deg. 120 119.75 120.25

Difference between angles 3
Cal 1-6 deg. 180 179.75 180.25

Difference between angles 4
Cyl.1-2 deg. 240 239.75 240.25

Difference between angles 5
Cal 1-4 deg. 300 299.75 300.25

Injection quantity adjustment

Adjusting point -

Rack position 11.4

Pump speed r/min 850 850 850

Average injection quantity mm3/st. 97.5 95.5 99.5

Max. variation between cylinders % 0 -4 4

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 495 495 495

Average injection quantity mm3/st. 12.5 9.3 15.7

Max. variation between cylinders % 0 -13 13

Fixing the rack *

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_03

Adjusting point A

Rack position R1(11.4)

Pump speed r/min 850 850 850

Average injection quantity mm3/st. 97.5 96.5 98.5

Basic *

Fixing the lever *

Boost pressure kPa 76 76

Boost pressure mmHg 570 570

Injection quantity adjustment_04

Adjusting point B

Rack position R1+0.8

Pump speed r/min 1350 1350 1350

Average injection quantity mm3/st. 93.5 89.5 97.5

Fixing the lever *

Boost pressure kPa 76 76

Boost pressure mmHg 570 570

Boost compensator adjustment

Pump speed r/min 510 510 510

Rack position R2-0.9

Boost pressure kPa 12 10.7 13.3

Boost pressure mmHg 90 80 100

Boost compensator adjustment_02

Pump speed r/min 510 510 510

Rack position R2(R1-0. 3)

Boost pressure kPa 62.7 62.7 62.7

Boost pressure mmHg 470 470 470

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Torque cam stamping: T1 (2)Tolerance for racks not indicated: +-0.05mm. (3)Boost compensator stroke: BCL
----------
T1=AG90 BCL=0.9+-0.1mm
----------

Timer adjustment

(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=(6)deg t1=2.5--sec. t2=2.5--sec.
----------
N1=1400++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=6+-0.3deg R01=0/4load R02=4/4load

Speed control lever angle

F:Full speed I:Idle (1)Use the pin at R = aa (2)Stopper bolt set position 'H'
----------
aa=35mm
----------
a=20deg+-5deg b=38deg+-3deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Use the pin at R = aa (2)Set the stopper bolt at rack position = bb, speed = cc and confirm non-injection.
----------
aa=40mm bb=1.5+-0.3mm cc=0r/min
----------
a=12deg+-5deg b=44deg+-5deg

0000001501 RACK SENSOR

G:Red paint H:Pump end face P/N: part number of suitable shim (1)Threaded type rack block (2)Welded type rack block Rack sensor adjustment 1. Threaded type rack sensor (-5*20, P type, no TICS rack limit). (1)Screw in the bobbin (A) until it contacts the joint (B). (2)Fix the pump lever. (3)At speed N1 and rack position Ra, adjust the amount that the bobbin is screwed in so that the amp's output voltage is V1. (4)Fix using the nut (F). (5)Affix the caution plate to the upper part of the joint (B). (6)Apply (G) at two places. Connecting part between the joint (B) and the nut (F) Connecting part between the end surface of the pump (H) and the joint (B) 2. Range for screw-in adjustment between the bobbin (A) and the joint (B) is 9 threads. Screw in to the end from (the position where the bobbin (A) is rotated 9 turns). Speed N1, rack position Ra, output voltage V1, rack sensor supply voltage 5+-0.01 (V)
----------
Ra=R1(11.4)+0.8mm N1=1350r/min V1=3+-0.01V
----------

Timing setting

(1)Pump vertical direction (2)Position of timer's threaded hole at No 1 cylinder's beginning of injection (3)B.T.D.C.: aa (4)-
----------
aa=8deg
----------
a=(50deg)