Information injection-pump assembly
ZEXEL
107691-2790
1076912790
Rating:
Cross reference number
ZEXEL
107691-2790
1076912790
Zexel num
Bosch num
Firm num
Name
107691-2790
INJECTION-PUMP ASSEMBLY
Calibration Data:
Adjustment conditions
Test oil
1404 Test oil ISO4113 or {SAEJ967d}
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
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
PS/ACT control unit part no.
407980-2
24*
Digi switch no.
17
Direction of rotation (viewed from drive side)
Left L
Left L
Injection timing adjustment
Direction of rotation (viewed from drive side)
Left L
Left L
Injection order
1-5-3-6-
2-4
Pre-stroke
mm
5.6
5.57
5.63
Beginning of injection position
Governor side NO.1
Governor side NO.1
Difference between angles 1
Cal 1-5 deg. 60 59.75 60.25
Cal 1-5 deg. 60 59.75 60.25
Difference between angles 2
Cal 1-3 deg. 120 119.75 120.25
Cal 1-3 deg. 120 119.75 120.25
Difference between angles 3
Cal 1-6 deg. 180 179.75 180.25
Cal 1-6 deg. 180 179.75 180.25
Difference between angles 4
Cyl.1-2 deg. 240 239.75 240.25
Cyl.1-2 deg. 240 239.75 240.25
Difference between angles 5
Cal 1-4 deg. 300 299.75 300.25
Cal 1-4 deg. 300 299.75 300.25
Injection quantity adjustment
Adjusting point
-
Rack position
12.5
Pump speed
r/min
850
850
850
Average injection quantity
mm3/st.
105
103
107
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
8+-0.5
Pump speed
r/min
465
465
465
Average injection quantity
mm3/st.
14
12.2
15.8
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
Refer to items regarding the pre-stroke actuator
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(12.5)
Pump speed
r/min
850
850
850
Average injection quantity
mm3/st.
105
104
106
Basic
*
Fixing the lever
*
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+1.45
Pump speed
r/min
1450
1450
1450
Average injection quantity
mm3/st.
102.5
98.5
106.5
Fixing the lever
*
PS407980-224*
V
2.25+-0.
01
PS407980-224*
mm
3.6+-0.0
5
Injection quantity adjustment_05
Adjusting point
C
Rack position
R1-1.4
Pump speed
r/min
500
500
500
Average injection quantity
mm3/st.
90.5
86.5
94.5
Fixing the lever
*
PS407980-224*
V
2.25+-0.
01
PS407980-224*
mm
3.6+-0.0
5
Timer adjustment
Pump speed
r/min
1250--
Advance angle
deg.
0
0
0
Remarks
Finish
Finish
Timer adjustment_02
Pump speed
r/min
1200
Advance angle
deg.
0.5
Timer adjustment_03
Pump speed
r/min
1470
Advance angle
deg.
3
2.5
3.5
Remarks
Finish
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
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.
----------
T1=AD54
----------
----------
T1=AD54
----------
Speed control lever angle
F:Full speed
I:Idle
(1)Use the hole at R = aa
(2)Stopper bolt set position 'H'
----------
aa=38mm
----------
a=32deg+-5deg b=39.5deg+-3deg
----------
aa=38mm
----------
a=32deg+-5deg b=39.5deg+-3deg
Stop lever angle
N:Pump normal
S:Stop the pump.
(1)Use the hole at R = aa
(2)Set the stopper bolt at rack position = bb, speed = cc and confirm non-injection.
----------
aa=30mm bb=1+-0.3mm cc=0r/min
----------
a=45deg+-5deg b=35deg+-5deg
----------
aa=30mm bb=1+-0.3mm cc=0r/min
----------
a=45deg+-5deg b=35deg+-5deg
0000001301
(1)Pump vertical direction
(2)Coupling's key groove position at No 1 cylinder's beginning of injection
(3)At the No 1 cylinder's beginning of injection position, stamp an aligning mark on the timer to align with the pointer's groove.
(4)Timer
(5)Pointer
(6)B.T.D.C.: aa
(7)Pre-stroke: bb
----------
aa=5deg bb=5.6+-0.03mm
----------
a=(1deg) b=(37deg)
----------
aa=5deg bb=5.6+-0.03mm
----------
a=(1deg) b=(37deg)
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.
----------
----------
----------
----------
0000001701
A : Stopper pin
B: Connector
----------
----------
----------
----------
0000001801
C:Shim
----------
----------
----------
----------
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 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.
----------
----------
----------
----------
0000002201 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(12.5)+1.45mm
----------
----------
N1=1450r/min Ra=R1(12.5)+1.45mm
----------
0000002301 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=275r/min Ra=8+-0.1mm
----------
----------
N1=275r/min Ra=8+-0.1mm
----------
0000002401 RACK SENSOR
V1:Supply voltage
V2f:Full side output voltage
V2i:Idle side output voltage
(A) Black
(B) Yellow
(C) Red
(D) Trimmer
(E): Shaft
(F) Nut
(G) Load lever
1. Load sensor adjustment
(1)Connect as shown in the above diagram and apply supply voltage V1.
(2)Hold the load lever (G) against the full side.
(3)Turn the shaft so that the voltage between (A) and (B) is V2.
(4)Hold the load lever (G) against the idle side.
(5)Adjust (D) so that the voltage between (A) and (B) is V2i.
(6)Repeat the above adjustments.
(7)Tighten the nut (F) at the point satisfying the standards.
(8)Hold the load lever against the full side stopper and the idle side stopper.
(9)At this time, confirm that the full side output voltage is V2f and the idle side output voltage is V2i.
----------
V1=5+-0.02V V2f=3.7+-0.05V V2i=1+-0.1V
----------
----------
V1=5+-0.02V V2f=3.7+-0.05V V2i=1+-0.1V
----------
Information:
Above Normal Heating Recommended Procedure1. Low Coolant Level ... If the coolant level is too low, not enough coolant will go through the engine and radiator. This lack of coolant will not take enough heat from the engine and there will not be enough flow of coolant through the radiator to release the heat into the cooling air. Low coolant level is caused by leaks or wrong filling of the radiator. With the engine cool, be sure that coolant can be seen at the low end of the fill neck on the radiator top tank.2. Bad Temperature Gauge ... A temperature gauge which does not work correctly will not show the correct temperature. If the temperature gauge shows that the coolant temperature is too hot but other conditions are normal, either install a gauge you know is good or check the cooling system with the 9S9102 Thermistor Thermometer Group.3. Dirty Radiator ... Check the radiator for debris between the fins of the radiator core which prevents free air flow through the radiator core. Check the radiator for debris, dirt, or deposits on the inside of the radiator core which prevents free flow of coolant through the radiator.4. Loose Belt(s) ... Loose fan belts will cause a reduction in air flow. Tighten the belts according to V-BELT TENSION CHART that is shown in Specification section of this Service Manual.5. Bad Hose(s) ... Bad hoses with leaks can normally be seen. Hoses that have no visual leaks can "collapse" (pull together) during operation and cause a restriction in the flow of coolant. Hoses become soft and/or get cracks after a period of time. Hoses must be changed after 50,000 miles or a year of use. The inside can become loose, and the loose particles of the hose can cause a restriction in the flow of coolant.6. Shunt Line Restriction ... A restriction of the shunt line from the radiator top tank to the engine water pump inlet, or a shunt line not installed correctly, will cause a reduction in water pump efficiency. The result will be low coolant flow and overheating.7. Shutters Not Opening Correctly ... Check the opening temperature of the shutters. The shutters must be completely closed at a temperature below the fully open temperature of the water temperature regulators.8. Bad Water Temperature Regulator(s) ... A regulator that does not open, or only opens part of the way, can cause above normal heating. To test the thermostats, see the Testing and Adjusting section of this Service Manual.9. Bad Water Pump ... A water pump with a loose or damaged impeller does not pump enough coolant for correct engine cooling. Remove the water pump cover and check for damage to the impeller. If the impeller has no damage, check the impeller clearance. The clearance between the impeller and the housing is .022 to .059 in. (0.56 to 1.50 mm).10. Air in Cooling System ... Air can get into the cooling system in different ways. The most common causes
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107691-2790
INJECTION-PUMP ASSEMBLY