107691-2560 ZEXEL INJECTION-PUMP ASSEMBLY Calibration Data 1076912560

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

ZEXEL 107691-2560 1076912560

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Service parts 107691-2560 INJECTION-PUMP ASSEMBLY:

1. _

2. FUEL INJECTION PUMP 107069-1290

3. GOVERNOR 105921-9070

4. SUPPLY PUMP 105237-6070

5. AUTOM. ADVANCE MECHANIS 105681-2210

6. COUPLING PLATE 105663-0760

7. COUPLING PLATE

8. _ 159600-7520

9. _

10. NOZZLE AND HOLDER ASSY 105118-5381

11. Nozzle and Holder ME015202

12. Open Pre:MPa(Kqf/cm2) 21.6{220}

13. NOZZLE-HOLDER 105048-3730

14. NOZZLE 105017-1221

15. NOZZLE SET

Include in #1:

107691-2560 as INJECTION-PUMP ASSEMBLY

Cross reference number

ZEXEL 107691-2560 1076912560

Zexel num

Bosch num

Firm num

Name

107691-2560

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 105780-8250

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 131425-0520

Overflow valve opening pressure kPa 255 255 255

Overflow valve opening pressure kgf/cm2 2.6 2.6 2.6

Tester oil delivery pressure kPa 255 255 255

Tester oil delivery pressure kgf/cm2 2.6 2.6 2.6

PS/ACT control unit part no. 407980-2 24*

Digi switch no. 14

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 5.6 5.57 5.63

Beginning of injection position
Drive 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 10.4

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 83 81.4 84.6

Max. variation between cylinders % 0 -3 3

Basic *

Fixing the rack *

PS407980-224* V 2.25+-0. 01

PS407980-224* mm 3.6+-0.0 5

Standard for adjustment of the maximum variation between cylinders *

Injection quantity adjustment_02

Adjusting point Z

Rack position 7.5+-0.5

Pump speed r/min 480 480 480

Average injection quantity mm3/st. 16 14.5 17.5

Max. variation between cylinders % 0 -15 15

Fixing the rack *

PS407980-224* V V1+0.05+ -0.01

PS407980-224* mm 5.5+-0.0 3

Standard for adjustment of the maximum variation between cylinders *

Remarks
Refer to items regarding the pre-stroke actuator

Injection quantity adjustment_03

Adjusting point A

Rack position R1(10.4)

Pump speed r/min 1000 1000 1000

Average injection quantity mm3/st. 83 82 84

Basic *

Fixing the lever *

Boost pressure kPa 32.7 32.7

Boost pressure mmHg 245 245

PS407980-224* V 2.25+-0. 01

PS407980-224* mm 3.6+-0.0 5

Injection quantity adjustment_04

Adjusting point B

Rack position R1+1.4

Pump speed r/min 1450 1450 1450

Average injection quantity mm3/st. 92 88 96

Fixing the lever *

Boost pressure kPa 32.7 32.7

Boost pressure mmHg 245 245

PS407980-224* V 2.25+-0. 01

PS407980-224* mm 3.6+-0.0 5

Boost compensator adjustment

Pump speed r/min 500 500 500

Rack position R2-0.5

Boost pressure kPa 13.3 12 14.6

Boost pressure mmHg 100 90 110

Boost compensator adjustment_02

Pump speed r/min 500 500 500

Rack position R2[R1-1. 15]

Boost pressure kPa 19.3 19.3 19.3

Boost pressure mmHg 145 145 145

Timer adjustment

Pump speed r/min 1100--

Advance angle deg. 0 0 0

Remarks
Start

Timer adjustment_02

Pump speed r/min 1050

Advance angle deg. 0.5

Timer adjustment_03

Pump speed r/min 1150

Advance angle deg. 2 1.5 2.5

Remarks
Finish

0000001601

CU407980-224* *

Actuator retarding type *

Supply voltage V 24 23.5 24.5

Ambient temperature degC 23 18 28

Pre-stroke mm 2.5 2.45 2.55

Output voltage V 2.83 2.82 2.84

Adjustment *

_02

CU407980-224* *

Supply voltage V 24 23.5 24.5

Ambient temperature degC 23 18 28

Pre-stroke mm 5.6 5.57 5.63

Output voltage V 1.2 1 1.4

Confirmation *

Remarks
Output voltage V1

_03

CU407980-224* *

Supply voltage V 24 23.5 24.5

Ambient temperature degC 23 18 28

Output voltage V 3.05 3.05

Confirmation of operating range *

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=M29 BCL=0.5+-0.1mm
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Speed control lever angle

F:Full speed I:Idle (1)Stopper bolt setting
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a=26deg+-5deg b=39deg+-3deg

Stop lever angle

N:Pump normal S:Stop the pump. (1)Use the hole at R = aa (2)Set the stopper screw so that speed = bb and the rack position = cc and confirm non-injection. (3)After setting the stopper bolt, confirm non-injection at speed dd.
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aa=40mm bb=1750r/min cc=1-0.5mm dd=340r/min
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a=15deg+-5deg b=45deg+-5deg

0000001301

(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)Pre-stroke: bb
----------
aa=5deg bb=5.6+-0.03mm
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a=(7deg)

0000001401

(1)Pointer (2)Injection timing aligning mark (3)Fly weight (4)The actual shape and direction may be different from this illustration. Operation sequence 1. Turn the prestroke actuator OFF. 2. Turn the camshaft as far as the No.1 cylinder's beginning of injection position. 3. Check that the pointer alignment mark of the injection pump and the alignment mark of the flywheel are matching. 4. If they are not matching, erase the alignment mark on the flywheel side, and stamp an alignment mark on the flywheel position that matches with the pointer side alignment mark. 5. Check again that the coupling's key groove position is in the No.1 cylinder's beginning of injection position.
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0000001701

A : Stopper pin B: Connector
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----------

0000001801

C:Shim
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----------

0000001901

A:Sealing position B:Pre-stroke actuator 1. When installing the pre-stroke actuator on the pump, first tighten the installation bolts loosely, then move the actuator fully counterclockwise (viewed from the drive side). Temporary tightening torque: 1 - 1.5 N.m (0.1 - 0.15 kgf.m) 2. Move the actuator in the clockwise direction when viewed from the drive side, and adjust so that it becomes the adjustment point of the adjustment value. Then tighten it. Tightening torque: 7^9 N.m (0.7^0.9 kgf.m) 3. After prestroke actuator installation adjustment, simultaneously stamp both the actuator side and housing side.
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0000002201 SPEED SENSOR

(A) Flyweight projection (B) Pickup sensor (c) Lock nut Speed sensor installation (1)Install the speed sensor so that the clearance between the sensor and the flyweight projection is L. (This gap is the gap when the pickup sensor is returned 1 turn from where it contacts the flyweight tooth.)
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L=0.8~1mm
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0000002301 RACK SENSOR

(VR) measurement voltage (I) Part number of the control unit (G) Apply red paint. (H): End surface of the pump 1. Rack sensor adjustment (-0620) (1)Fix the speed control lever at the full position (2)Set the speed to N1 r/min. (If the boost compensator is provided, apply boost pressure.) (3)Adjust the bobbin (A) so that the rack sensor's output voltage is VR+-0.01. (4)At that time, rack position must be Ra. (5)Apply G at two places. Connecting part between the joint (B) and the nut (F) Connecting part between the joint (B) and the end surface of the pump (H)
----------
N1=1450r/min Ra=R1(10.4)+1.4mm
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Information:

Before any service work is done on the fuel system, the outer surface of the injection pump housing must be clean.
1. Remove the plug from location (1). Install tool (A) in the hole with the large diameter end without the taper down. Move the governor control to the "ON" position until the rack stops against tool (A). The racks are now in center (zero) position.2. Disconnect lines (2) from the fuel injection pumps. Remove the washers. Put caps on all fuel openings. 3. Remove bushings (3) with tooling (B). 4. Install tooling (C). Hold the fuel racks in the center (zero) position and carefully remove the fuel injection pump.
When injection pumps, spacers and lifters are removed from the injection pump housing, keep the parts of each pump together so they can be installed back in their original location.
5. Remove spacers (4) from the fuel injection pump housing.
Be careful when the injection pumps are disassembled. Do not cause damage to the surface on the plunger. The plunger and barrel for each pump are made as a set. Do not put the plunger of one pump in the barrel of another pump. If one part has wear, install a complete new pump assembly. Be careful when the plunger is put into the bore of the barrel.
Do not remove gear segment (15) from plunger (10).
6. Remove plunger (10), washer (14) and spring (9) from barrel (8).7. Remove ring (12) from barrel (8) and bonnet (11).8. Remove spring (6), collar (7) and check valve assembly (13) from bonnet (11). Do not disassemble check valve assembly (13).9. Keep seal (5) with the bonnet for use at assembly.Install Fuel Injection Pumps
Make sure the fuel racks are in the center (ZERO) position before the fuel injection pumps are installed.1. Put diesel fuel on all parts to be assembled. 2. Put spring (2), collar (3) and check valve assembly (9) in position in the bonnet.
Do not slide barrel (4) against the check valve assembly when it is assembled. Scratches on the check valve can cause it to leak.
3. Put the bonnet assembly (7) and barrel (4) in position and install ring (8).4. Install spring (5), washer (10) and plunger assembly (6). 5. Put spacer (12) in position in the pump housing bore. Make sure the correct spacer is with each pump. The lobe on the cam must be at its lowest position for easy installation of the fuel injection pumps.6. Hold the fuel racks in the center (ZERO) position when the fuel pumps are installed. Put the space in gear segment (11) in alignment with the groove in barrel (4). 7. Put the injection pump straight down into the housing bore so the space in the gear segment is in alignment with pin (13) and the groove in the barrel is in alignment with dowel (14). Use tool (B) to install the pump. 8. Install seal (1) and bushing (15) in the pump housing bore. If the pump is in the correct position, bushing (15) will