Information injection-pump assembly
ZEXEL
106671-6151
1066716151
ISUZU
1156031211
1156031211

Rating:
Service parts 106671-6151 INJECTION-PUMP ASSEMBLY:
1.
_
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
1-15300-356-0
12.
Open Pre:MPa(Kqf/cm2)
19.6{200}
15.
NOZZLE SET
Include in #1:
106671-6151
as INJECTION-PUMP ASSEMBLY
Cross reference number
ZEXEL
106671-6151
1066716151
ISUZU
1156031211
1156031211
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
105780-8250
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
134424-4320
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
Direction of rotation (viewed from drive side)
Right R
Right R
Injection timing adjustment
Direction of rotation (viewed from drive side)
Right R
Right R
Injection order
1-5-3-6-
2-4
Pre-stroke
mm
5.2
5.17
5.23
Rack position
Point A R=A
Point A R=A
Beginning of injection position
Drive side NO.1
Drive 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
12.1
Pump speed
r/min
650
650
650
Average injection quantity
mm3/st.
138.5
136.5
140.5
Max. variation between cylinders
%
0
-3
3
Basic
*
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_02
Adjusting point
Z
Rack position
6.5+-0.5
Pump speed
r/min
420
420
420
Average injection quantity
mm3/st.
15
11.8
18.2
Max. variation between cylinders
%
0
-13
13
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(12.1)
Pump speed
r/min
650
650
650
Average injection quantity
mm3/st.
138.5
136.5
140.5
Basic
*
Fixing the lever
*
Boost pressure
kPa
45.3
45.3
Boost pressure
mmHg
340
340
Injection quantity adjustment_04
Adjusting point
B
Rack position
R1(12.1)
Pump speed
r/min
1000
1000
1000
Average injection quantity
mm3/st.
119.5
113.5
125.5
Fixing the lever
*
Boost pressure
kPa
45.3
45.3
Boost pressure
mmHg
340
340
Boost compensator adjustment
Pump speed
r/min
420
420
420
Rack position
R2-2.4
Boost pressure
kPa
8
6.7
9.3
Boost pressure
mmHg
60
50
70
Boost compensator adjustment_02
Pump speed
r/min
420
420
420
Rack position
R2(R1-0.
35)
Boost pressure
kPa
32
32
32
Boost pressure
mmHg
240
240
240
Timer adjustment
Pump speed
r/min
850--
Advance angle
deg.
0
0
0
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
800
Advance angle
deg.
0.5
Timer adjustment_03
Pump speed
r/min
950
Advance angle
deg.
2
1.5
2.5
Remarks
Finish
Finish
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
(4)Damper spring setting
----------
T1=AF23 BCL=2.4+-0.1mm
----------
----------
T1=AF23 BCL=2.4+-0.1mm
----------
Speed control lever angle

F:Full speed
I:Idle
(1)Use the pin at R = aa
(2)Stopper bolt set position 'H'
----------
aa=32mm
----------
a=4deg+-5deg b=27deg+-3deg
----------
aa=32mm
----------
a=4deg+-5deg b=27deg+-3deg
Stop lever angle

N:Pump normal
S:Stop the pump.
(1)Use the pin at R = aa
(2)Set the stopper bolt so that speed = bb and rack position = cc. (Confirm non-injection.)
----------
aa=40mm bb=0r/min cc=1+-0.3mm
----------
a=18deg+-5deg b=44deg+-5deg
----------
aa=40mm bb=0r/min cc=1+-0.3mm
----------
a=18deg+-5deg b=44deg+-5deg
Timing setting

(1)Pump vertical direction
(2)Position of timer's threaded hole at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=10deg
----------
a=(100deg)
----------
aa=10deg
----------
a=(100deg)
Information:
25Oct2017
U-580
A-415
D-489
O-486
Parts stock action only
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING CERTAIN FUEL INJECTORS FROM DEALER STOCK
7750 PI70684
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7751" as the Group Number, "56" as the Description Code.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
TERMINATION DATE
31Jan2018
PROBLEM
The existing fuel injector can over fuel. If the existing fuel injector fails it can result in engine damage.
ACTION REQUIRED
Remove all injectors with the following part numbers, and within the serial number range from dealer parts stock. Injectors will be packaged between August 9, 2017 and October 13, 2017.
Injectors with a package date prior to August 9, 2017, or after October 13, 2017 do not need to be checked. Date code is below the part number, D##M##Y##, the day is after the D, month is after the M, and Year is the first two numbers after the Y.
Part number and Serial number
457-5312 8C00599034E3 and 8C00599039C0
427-6227 8C005990458F
Remove all injectors with the following part numbers, and within the serial number range from dealer parts stock. Injectors will be packaged between August 9, 2017 and October 13, 2017.
Injectors with a package date prior to August 9, 2017, or after October 13, 2017 do not need to be checked. Date code is below the part number, D##M##Y##, the day is after the D, month is after the M, and Year is the first two numbers after the Y.
Part Number and Serial number
392-0211 2066755 through 2068587, inclusive
392-0205 2066755 through 2068587, inclusive
392-0219 2066755 through 2068587, inclusive
392-0217 2066755 through 2068587, inclusive
392-0202 2066755 through 2068587, inclusive
392-0223 2066755 through 2068587, inclusive
392-0216 2066755 through 2068587, inclusive
392-0221 2066755 through 2068587, inclusive
392-0225 2066755 through 2068587, inclusive
392-0214 2066755 through 2068587, inclusive
392-0206 2066755 through 2068587, inclusive
Remove all injectors with the following part numbers, and within the serial number range from dealer parts stock. Injectors will be packaged between August 9, 2017 and October 20, 2017.
Injectors with a package date prior to August 9, 2017, or after October 20, 2017 do not need to be checked. Date code is below the part number, D##M##Y##, the day is after the D, month is after the M, and Year is the first two numbers after the Y.
Part Number and Serial number
111-3718 865395 through 868934, inclusive
4P-9075 865395 through 868934, inclusive
4P-9076 865395