107691-2771 ZEXEL 9 400 618 941 BOSCH INJECTION-PUMP ASSEMBLY 9400618941 1076912771 me131606

Information Cross number Calibration Data Calibration Data Ex

Information injection-pump assembly

BOSCH 9 400 618 941 9400618941

ZEXEL 107691-2771 1076912771

MITSUBISHI ME131606 me131606

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Cross reference number

BOSCH 9 400 618 941 9400618941

ZEXEL 107691-2771 1076912771

MITSUBISHI ME131606 me131606

Zexel num

Bosch num

Firm num

Name

107691-2771
107691-2840

9 400 618 941

ME131606 MITSUBISHI

INJECTION-PUMP ASSEMBLY
6M61 K

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 131424-8420

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 255 255 255

Tester oil delivery pressure kgf/cm2 2.6 2.6 2.6

RED4 control unit part number 407915-0 590

RED4 rack sensor specifications mm 19

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

Digi switch no. 17

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 5.1 5.07 5.13

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

Rack position (12.3)

PWM % 57.1

Pump speed r/min 850 850 850

Average injection quantity mm3/st. 119.5 118.5 120.5

Max. variation between cylinders % 0 -3 3

Basic *

PS407980-224* V 2.25+-0. 01

PS407980-224* mm 3.1+-0.0 5

Injection quantity adjustment_02

Rack position (6.6)

PWM % 25.3+-2. 8

Pump speed r/min 380 380 380

Average injection quantity mm3/st. 10 8.2 11.8

Max. variation between cylinders % 0 -15 15

PS407980-224* V V1+0.05+ -0.01

PS407980-224* mm 5+-0.03

Remarks
Refer to items regarding the pre-stroke actuator

Governor adjustment

Pump speed r/min 950--

Advance angle deg. 0 0 0

Remarks
Start

Governor adjustment_02

Pump speed r/min 900

Advance angle deg. 0.5

Governor adjustment_03

Pump speed r/min (1075)

Advance angle deg. 1 0.5 1.5

Governor adjustment_04

Pump speed r/min 1200

Advance angle deg. 1 0.5 1.5

Governor adjustment_05

Pump speed r/min 1400

Advance angle deg. 4 3.5 4.5

Remarks
Finish

0000001201

CU407980-224* *

Actuator retarding type *

Supply voltage V 24 23.5 24.5

Ambient temperature degC 23 18 28

Pre-stroke mm 2 1.95 2.05

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 5.1 5.07 5.13

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:

Speed control lever angle

N:Pump normal S:Stop the pump. (1)Rack position = aa (2)Rack position bb
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aa=1mm bb=20mm
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a=38deg+-5deg b=37deg+-5deg

0000000901

(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
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aa=3deg bb=5.1+-0.03mm
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a=(2deg)

Stop lever angle

(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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0000001301

A : Stopper pin B: Connector
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0000001401

C:Shim
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0000001501

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 clockwise (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 counterclockwise 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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0000001701

(PWM) Pulse width modulation (%) (R) Rack position (mm) Rack sensor output characteristics 1. Rack limit adjustment (1)Measure the rack position R2 for PWM a2%. (2)Confirm that it is within the range R2 = 15+-1 mm. (3)Measure the rack position R1 at PWM a %. (4)Confirm that it is within the range R2 - R1 = 10+-0.1 mm. 2. Check the limp home operation. (1)Move the switch box's limp home switch to the limp home side. (2)Confirm rack position L1 (mm ) and L2 (mm) for PWM in the above table. 3. Check the pull down operation. (1)Confirm that the rack position is 19 mm at PWM B%. (2)In the conditions described in the above table, move the switch box's pull down switch to the pull down side and confirm that the rack position momentarily becomes 1 mm or less.
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a1=16.25% a2=72.5% L1=1--mm L2=19++mm A=5% B=95%
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0000001901 RACK SENSOR

(g) Pump end face (h) Apply red paint 1. Rack sensor adjustment (-5*20, RED4 governor, PWM) (1)Screw in the bobbin (A) until it contacts the joint (B). (2)Set PWM at A, and adjust the amount that the bobbin (a) is screwed in so that the amp's output voltage is V1. Fix using nut (f). (3)Set PWM at B then reset at A. Confirm that the amp's output voltage at this time is V1. (4)Stick the caution plate on the top of the joint (B). (5)Apply red paint to both the joint (b) and the nut (f) join, and the joint (b) and the pump join. PWM A, output voltage VR = V1+-0.01 (V), rack sensor supply voltage 5+-0.01 (V).
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A=72.5% B=95% V1=3V
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Information:

White Smoke Recommended Procedure1. Cold Outside Temperatures ... When the air outside is cold, the cylinder temperature is cooler. Not all the fuel will burn in the cylinders. The fuel which does not burn comes out the exhaust as white smoke. White smoke is normal in cold temperatures until the engine operates long enough to become warm. There will be less white smoke if No. 1 diesel fuel is used.2. Long Idle Periods ... When an engine runs at idle speed for a long period of time, the cylinders cool and all of the fuel does not burn. Do not idle an engine for a long period of time. Stop an engine when it is not in use. If long idle periods are necessary, use No. 1 diesel fuel.3. Low Quality Fuel ... Test the engine using fuel according to recommendations by Caterpillar Tractor Co.4. Air in Fuel System ... With air in the fuel system, the engine will normally be difficult to start, run rough, and release a large amount of white smoke. If the engine will not start, loosen a fuel injection line nut at the cylinder head. With the governor lever in the shutoff position, operate the fuel priming pump until the flow of fuel from the loosened fuel injection line is free of air. Tighten the fuel line nut. Fasten the priming pump and start the engine. If the engine still does not run smooth or releases a large amount of white smoke, loosen the fuel line nuts one at a time at the cylinder head until the fuel that comes out is free of air. Tighten the fuel line nuts. If the air can not be removed in this way, put 5 psi (35 kPa) of air pressure to the fuel tank.
Do not use more than 8 psi (55 kPa) of air pressure in the fuel tank or damage to the tank may result.
Check for leakage at the connections between the fuel tank and the fuel transfer pump. If leaks are found, tighten the connections or replace the lines. If there are no visual leaks, remove the fuel supply line from the tank and connect it to an outside fuel supply. If this corrects the problem, the suction line (standpipe) inside the fuel tank has a leak.5. Fuel Injection Timing Not Correct ... Check and make necessary adjustments as per Testing and Adjusting section of this Service Manual.6. Automatic Timing Advance Does Not Operate Correctly ... Check with engine warm. Use the 1P3500 Timing Light Group. Special Instruction Form No. SMHS6964 gives the test procedure. If the timing light is not available, make rapid "acceleration" (increase in speed) from low idle to high idle. Engine must have smooth acceleration. A timing advance that does not operate correctly can cause delays of the engine acceleration at some rpm before high idle, or possibly cause the engine to run rough and have exhaust noise (backfire) during acceleration. This condition is difficult to find if