106673-7630 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1066737630

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 106673-7630 1066737630

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Cross reference number

ZEXEL 106673-7630 1066737630

Zexel num

Bosch num

Firm num

Name

106673-7630

INJECTION-PUMP ASSEMBLY

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 1-5-3-6- 2-4

Pre-stroke mm 4.8 4.75 4.85

Beginning of injection position
Governor side NO.1

Difference between angles 1
Cal 1-5 deg. 60 59.5 60.5

Difference between angles 2
Cal 1-3 deg. 120 119.5 120.5

Difference between angles 3
Cal 1-6 deg. 180 179.5 180.5

Difference between angles 4
Cyl.1-2 deg. 240 239.5 240.5

Difference between angles 5
Cal 1-4 deg. 300 299.5 300.5

Injection quantity adjustment

Adjusting point A

Rack position 10.5

Pump speed r/min 900 900 900

Average injection quantity mm3/st. 160 157 163

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the lever *

Boost pressure kPa 53.3 53.3

Boost pressure mmHg 400 400

Injection quantity adjustment_02

Adjusting point B

Rack position 6+-0.5

Pump speed r/min 425 425 425

Average injection quantity mm3/st. 8 5.4 10.6

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 750 750 750

Rack position R1-1.3

Boost pressure kPa 4 1.3 6.7

Boost pressure mmHg 30 10 50

Boost compensator adjustment_02

Pump speed r/min 750 750 750

Rack position R1

Boost pressure kPa 40 33.3 46.7

Boost pressure mmHg 300 250 350

Timer adjustment

Pump speed r/min 1200++

Advance angle deg. 0 0 0

Remarks
Do not advance until starting N = 1200.

Timer adjustment_02

Pump speed r/min 1200

Advance angle deg. 0.5

Timer adjustment_03

Pump speed r/min -

Advance angle deg. 2 2 2

Remarks
Measure the actual speed, stop

Test data Ex:

Governor adjustment

N:Pump speed R:Rack position (mm) (1)Notch fixed: K (2)Tolerance for racks not indicated: +-0.05mm. (3)At excess fuel lever operation (at boost pressure 0): L1 (4)Set idle sub-spring (5)Main spring setting (6)Boost compensator stroke (7)Rack difference between N = N1 and N = N2
----------
K=9 L1=11.25+-0.1mm N1=900r/min N2=400r/min
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Speed control lever angle

F:Full speed I:Idle (1)Set the pump speed at aa (2)Set the pump speed at bb. (3)Stopper bolt setting
----------
aa=900r/min bb=750r/min
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a=21deg+-5deg b=4deg+-5deg c=6deg+-5deg

Stop lever angle

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

----------
a=48.5deg+-5deg b=53deg+-5deg

0000001101

N:Normal B:When boosted (1)Rack position = aa (point D) at boost pressure 0.
----------
aa=11.25+-0.1mm
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a=(18deg) b=(12deg)

0000001501 TAMPER PROOF

Tamperproofing-equipped boost compensator cover installation procedure (A) After adjusting the boost compensator, tighten the bolts to remove the heads. (1)Before adjusting the governor and the boost compensator, tighten the screw to the specified torque. (Tightening torque T = T1 maximum) (2)After adjusting the governor and the boost compensator, tighten to the specified torque to break off the bolt heads. (Tightening torque T = T2)
----------
T1=2.5N-m(0.25kgf-m) T2=2.9~4.4N-m(0.3~0.45kgf-m)
----------

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=(7deg)

Information:

Remove the single tie bolt (6) that is located in the top left corner of the pump by using Tooling (B). Refer to Illustration 7. Only remove the single tie bolt (6). Removing more bolts will result in damage to the pump.
Illustration 2 g01132938
(1) HEUI pump (2) Fuel transfer pump (4) Drive gear (5) 227-5904 O-Ring Seal (6) Tie Bolt (7) Bolts for the fuel transfer pump (8) Tie Bolts (9) Location for service bolt (12) 185-3241 O-Ring Seal
Replace tie bolt (6) with the temporary service bolt (9) that is provided in the service kit.Note: The service bolt that is provided in the kit has an undersized bolt head. The service bolt prevents the body of the HEUI pump from separating during service. Do not remove the service bolt until the fuel transfer pump has been completely reinstalled.
Tighten the service bolt (9) to 10 N m (7.4 lb ft) by using Tooling (C) .Note: Do not place an excessive torque on the service bolt. The aluminum housing of the pump could be damaged.
After installing the service bolt (9) in the top left location, remove the three bolts (7) that fasten the fuel transfer pump to the HEUI pump by using Tooling (A) .
Proceed by removing the remaining three tie bolts (8) by using Tooling (B) .
Separate the fuel transfer pump from the HEUI pump. Refer to Illustration 3.
Illustration 3 g01132944
(1) HEUI pump (2) Fuel transfer pump (9) Service bolt (10) Seals (11) SealInstalling the Fuel Transfer Pump onto the HEUI Pump
Install the two new 239-2402 Seals (10) on the back face of the HEUI pump (1). Refer to Illustration 4.
Illustration 4 g01077898
(1) HEUI pump (10) 239-2402 Seals
Install a new 179-8128 Seal (11) on the fuel transfer pump (2). Refer to Illustration 5. Use 1U-6396 O-Ring Assembly Compound in order to hold the seal in place during assembly. Ensure that the seal is completely seated.
Illustration 5 g01132957
(2) Fuel transfer pump (11) 179-8128 Seal
Do not remove the service bolt. Position the fuel transfer pump on the HEUI pump. Be sure to properly align the drive tang on the fuel transfer pump with the drive slot on the HEUI pump.Note: Align the drive tang of the fuel transfer pump so that the flat end is vertical. Refer to Illustration 5. Align the drive slot in the HEUI pump to a similar vertical orientation by using a flat head screwdriver. Refer to Illustration 6.
Illustration 6 g01132969
Note: Once the fuel transfer pump has been placed onto the HEUI pump, ensure that the face of the fuel transfer pump is flush with the face of the HEUI pump. If the pump faces are not flush, verify the alignment of the drive tang.
Install the three mounting bolts (7) for the fuel transfer pump (2). Tighten