Information injection-pump assembly
ZEXEL
101401-7393
1014017393
ISUZU
8971449922
8971449922

Rating:
Service parts 101401-7393 INJECTION-PUMP ASSEMBLY:
1.
_
6.
COUPLING PLATE
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
8-97144-997-1
12.
Open Pre:MPa(Kqf/cm2)
18.1{185}
15.
NOZZLE SET
Cross reference number
ZEXEL
101401-7393
1014017393
ISUZU
8971449922
8971449922
Zexel num
Bosch num
Firm num
Name
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
105780-8140
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 6-2-600
Outer diameter - inner diameter - length (mm) mm 6-2-600
Overflow valve
134424-3920
Overflow valve opening pressure
kPa
127
107
147
Overflow valve opening pressure
kgf/cm2
1.3
1.1
1.5
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)
Left L
Left L
Injection timing adjustment
Direction of rotation (viewed from drive side)
Left L
Left L
Injection order
1-3-4-2
Pre-stroke
mm
4.1
4.05
4.15
Rack position
Point A R=A
Point A R=A
Beginning of injection position
Governor side NO.1
Governor side NO.1
Difference between angles 1
Cal 1-3 deg. 90 89.5 90.5
Cal 1-3 deg. 90 89.5 90.5
Difference between angles 2
Cal 1-4 deg. 180 179.5 180.5
Cal 1-4 deg. 180 179.5 180.5
Difference between angles 3
Cyl.1-2 deg. 270 269.5 270.5
Cyl.1-2 deg. 270 269.5 270.5
Injection quantity adjustment
Adjusting point
-
Rack position
12.5
Pump speed
r/min
930
930
930
Average injection quantity
mm3/st.
70
68.4
71.6
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
H
Rack position
9.7+-0.5
Pump speed
r/min
330
330
330
Average injection quantity
mm3/st.
9.5
8.2
10.8
Max. variation between cylinders
%
0
-7
7
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(12.5)
Pump speed
r/min
930
930
930
Average injection quantity
mm3/st.
70
69
71
Basic
*
Fixing the lever
*
Injection quantity adjustment_04
Adjusting point
B
Rack position
R1+0.9
Pump speed
r/min
1550
1550
1550
Average injection quantity
mm3/st.
91.5
87.5
95.5
Fixing the lever
*
Injection quantity adjustment_05
Adjusting point
C
Rack position
R1-0.25
Pump speed
r/min
500
500
500
Average injection quantity
mm3/st.
47.7
43.7
51.7
Fixing the lever
*
Injection quantity adjustment_06
Adjusting point
D
Rack position
R1+0.4
Pump speed
r/min
1240
1240
1240
Average injection quantity
mm3/st.
82
78
86
Fixing the lever
*
Timer adjustment
Pump speed
r/min
-
Advance angle
deg.
0
0
0
Remarks
Measure speed (beginning of operation).
Measure speed (beginning of operation).
Timer adjustment_02
Pump speed
r/min
1550
Remarks
Measure the actual advance angle.
Measure the actual advance angle.
Timer adjustment_03
Pump speed
r/min
-
Advance angle
deg.
6
6
6
Remarks
Measure the actual speed, stop
Measure the actual speed, stop
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=M04
----------
----------
T1=M04
----------
Speed control lever angle

F:Full speed
I:Idle
(1)Stopper bolt set position 'H'
----------
----------
a=36deg+-5deg b=33deg+-3deg
----------
----------
a=36deg+-5deg b=33deg+-3deg
Stop lever angle

N:Pump normal
S:Stop the pump.
(1)Use the hole at R = aa
----------
aa=64mm
----------
a=20deg+-5deg b=29deg+-5deg
----------
aa=64mm
----------
a=20deg+-5deg b=29deg+-5deg
0000001501 RACK SENSOR

Rack sensor adjustment
1. Flange type rack sensor (rack sensor adjustment -5*20)
(1)These types of rack sensors do not need adjustment. Confirm the performance with the following procedures.
(2)Mount the rack sensor main body to the pump main body.
(3)Fix the pump lever at full.
(4)At supply voltage V1, pump speed N1 and rack position Ra, confirm that the amp's output voltage is Vist.
(5)Move the pump lever two or three times.
(6)Set again to full.
(7)Confirm that the amplifier output voltage is Vist.
(8)Fix the caution plate to the upper part of the rack sensor.
(For those without the caution plate instructions, make sure the nameplate of the rack sensor carries the "Don't hold here" caution.)
(9)Apply red paint to the rack sensor mounting bolts (2 places).
----------
V1=5+-0.01V N1=930r/min Ra=R1(12.5)mm Vist=2.86+-0.28V
----------
----------
V1=5+-0.01V N1=930r/min Ra=R1(12.5)mm Vist=2.86+-0.28V
----------
0000001601 FICD

(A) applied negative pressure
(B) Screw
(c) Nut
1. Set the actuator as described below.
(1)Confirm that there is clearance between the actuator lever and the speed lever.
(2)Loosen the nut (C).
(3)Push in the screw (B).
(4)Apply P1 from the actuator (A) part.
(5)Pull out the screw (B) slowly.
(6)Tighten and fix the nut (C) when pump speed is Na and the rack position is Ra.
(7)Torque the nut (C) to T1.
(8)Apply P2 several times.
(9)Confirm that the actuator functions normally.
(10)Confirm that there is a clearance between the actuator lever and the speed lever at that time.
----------
P1=53.3kPa(400mmHg) P2=53.3kPa(400mmHg) Na=415r/min Ra=9.5+-0.1mm T1=1.2~1.6N-m(0.12~0.16kgf-m)
----------
L=(5)mm
----------
P1=53.3kPa(400mmHg) P2=53.3kPa(400mmHg) Na=415r/min Ra=9.5+-0.1mm T1=1.2~1.6N-m(0.12~0.16kgf-m)
----------
L=(5)mm
Timing setting

(1)Pump vertical direction
(2)Position of gear's standard threaded hole at No 1 cylinder's beginning of injection
(3)Stamping position on the A/T outer rim
(4)At the No 1 cylinder's beginning of injection, align with the aligning mark seen through the bracket's check hole and mark the A/T's bevel C1.
(5)B.T.D.C.: aa
----------
aa=8.5deg
----------
a=(60deg) b=(85deg)
----------
aa=8.5deg
----------
a=(60deg) b=(85deg)
Information:
Introduction
This Special Instruction provides detailed instructions on the installation of the sleeve into the compensator group of the 3408E and 3412E Unit Injector Hydraulic Pump. If leaks are experienced at the joint of the compensator and the adapter block, the 174-8943 Sleeve may be installed to improve sealing. The new press fit sleeve contains the O-ring more securely than the original slip fit sleeve.Note: Engines built prior to the serial number break that contain the new sleeve have a "S" stamped at the end of the part number on the serial number plate of the pump. The reworked part numbers appear as "144-0835-06S". Individual Components
Table 1
Quantity     Part Number     Part Description    
1     174-8943     Sleeve    
1     135-2652     O-Ring    
1     033-6039     O-Ring    
6     9X-7680     O-Ring    Necessary Tools
One of the following tools may be used to insert the new sleeve into the compensator group.
A 31.750 mm (1.250 inch) diameter flat plate.
The 1P-0467 Drive Plate from 1P-0510 Driver Group .
An acceptable bearing insertion tool.Removal Of The O-Ring Seals
Illustration 1 g00638376
Remove the four bolts (1) from the compensator (2). Remove the compensator and the adapter. Do not adjust the compensator. Refer to Special Instruction, REHS0192-03, step 3 of procedure for "Disassembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Illustration 2 g00638368
Remove the four O-ring seals (3) from the bottom side of the adapter. Refer to Special Instruction, REHS0192-03, step 4 of procedure for "Disassembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Illustration 3 g00638372
Remove the four O-ring seals (4) from the two housings. Refer to Special Instruction, REHS0192-03, step 5 of procedure for "Disassembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Remove the slip fit sleeve from the compensator housing.Installation Of The Sleeve
Illustration 4 g00637918
(1) Compensator assembly. (2) 174-8943 Sleeve .
Invert the compensator assembly (1). Hold the compensator assembly securely within a vise or a press table.
Start the sleeve (2) by hand into the compensator assembly (1) .Note: It is important that the groove on the outside diameter of the sleeve is oriented toward the O-ring in the joint. If this is not done, there will not be sufficient room to properly seal the O-ring.
Press the sleeve (2) flush with the surface of the compensator assembly (1) using the 1P-0467 Drive Plate or by using an acceptable bearing insertion tool.Installation Of The O-Ring Seals
Illustration 5 g00638368
Install the four O-ring seals (3) on the bottom side of the adapter. Refer to Special Instruction, REHS0192-03, step 16 of procedure for "Assembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Illustration 6 g00638372
Install the four O-rings (4) on the two housings. Refer to Special Instruction, REHS0192-03, step 17 of procedure for "Assembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Illustration 7 g00638376
Install the compensator assembly (2) and the adapter as a unit vertically so that the O-rings seals are not damaged. Tighten the four bolts (1) to the following torque.Torque for bolts ... 8 1 N
This Special Instruction provides detailed instructions on the installation of the sleeve into the compensator group of the 3408E and 3412E Unit Injector Hydraulic Pump. If leaks are experienced at the joint of the compensator and the adapter block, the 174-8943 Sleeve may be installed to improve sealing. The new press fit sleeve contains the O-ring more securely than the original slip fit sleeve.Note: Engines built prior to the serial number break that contain the new sleeve have a "S" stamped at the end of the part number on the serial number plate of the pump. The reworked part numbers appear as "144-0835-06S". Individual Components
Table 1
Quantity     Part Number     Part Description    
1     174-8943     Sleeve    
1     135-2652     O-Ring    
1     033-6039     O-Ring    
6     9X-7680     O-Ring    Necessary Tools
One of the following tools may be used to insert the new sleeve into the compensator group.
A 31.750 mm (1.250 inch) diameter flat plate.
The 1P-0467 Drive Plate from 1P-0510 Driver Group .
An acceptable bearing insertion tool.Removal Of The O-Ring Seals
Illustration 1 g00638376
Remove the four bolts (1) from the compensator (2). Remove the compensator and the adapter. Do not adjust the compensator. Refer to Special Instruction, REHS0192-03, step 3 of procedure for "Disassembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Illustration 2 g00638368
Remove the four O-ring seals (3) from the bottom side of the adapter. Refer to Special Instruction, REHS0192-03, step 4 of procedure for "Disassembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Illustration 3 g00638372
Remove the four O-ring seals (4) from the two housings. Refer to Special Instruction, REHS0192-03, step 5 of procedure for "Disassembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Remove the slip fit sleeve from the compensator housing.Installation Of The Sleeve
Illustration 4 g00637918
(1) Compensator assembly. (2) 174-8943 Sleeve .
Invert the compensator assembly (1). Hold the compensator assembly securely within a vise or a press table.
Start the sleeve (2) by hand into the compensator assembly (1) .Note: It is important that the groove on the outside diameter of the sleeve is oriented toward the O-ring in the joint. If this is not done, there will not be sufficient room to properly seal the O-ring.
Press the sleeve (2) flush with the surface of the compensator assembly (1) using the 1P-0467 Drive Plate or by using an acceptable bearing insertion tool.Installation Of The O-Ring Seals
Illustration 5 g00638368
Install the four O-ring seals (3) on the bottom side of the adapter. Refer to Special Instruction, REHS0192-03, step 16 of procedure for "Assembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Illustration 6 g00638372
Install the four O-rings (4) on the two housings. Refer to Special Instruction, REHS0192-03, step 17 of procedure for "Assembly of the 144-0835 Unit Injector Hydraulic Pump Group ".
Illustration 7 g00638376
Install the compensator assembly (2) and the adapter as a unit vertically so that the O-rings seals are not damaged. Tighten the four bolts (1) to the following torque.Torque for bolts ... 8 1 N