Information injection-pump assembly
ZEXEL
101603-7682
1016037682
ISUZU
1156026961
1156026961

Rating:
Service parts 101603-7682 INJECTION-PUMP ASSEMBLY:
1.
_
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
1-15300-213-1
12.
Open Pre:MPa(Kqf/cm2)
18.1{185}
15.
NOZZLE SET
Include in #1:
101603-7682
as INJECTION-PUMP ASSEMBLY
Include in #2:
104740-1890
as _
Cross reference number
ZEXEL
101603-7682
1016037682
ISUZU
1156026961
1156026961
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 opening pressure
kPa
157
123
191
Overflow valve opening pressure
kgf/cm2
1.6
1.25
1.95
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)
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
3.6
3.55
3.65
Rack position
After adjusting injection quantity. R=A
After adjusting injection quantity. R=A
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-5 deg. 60 59.5 60.5
Cal 1-5 deg. 60 59.5 60.5
Difference between angles 2
Cal 1-3 deg. 120 119.5 120.5
Cal 1-3 deg. 120 119.5 120.5
Difference between angles 3
Cal 1-6 deg. 180 179.5 180.5
Cal 1-6 deg. 180 179.5 180.5
Difference between angles 4
Cyl.1-2 deg. 240 239.5 240.5
Cyl.1-2 deg. 240 239.5 240.5
Difference between angles 5
Cal 1-4 deg. 300 299.5 300.5
Cal 1-4 deg. 300 299.5 300.5
Injection quantity adjustment
Adjusting point
-
Rack position
10.9
Pump speed
r/min
900
900
900
Average injection quantity
mm3/st.
70.7
69.1
72.3
Max. variation between cylinders
%
0
-2.5
2.5
Basic
*
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_02
Adjusting point
H
Rack position
9.5+-0.5
Pump speed
r/min
275
275
275
Average injection quantity
mm3/st.
9.1
7.8
10.4
Max. variation between cylinders
%
0
-14
14
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(10.9)
Pump speed
r/min
900
900
900
Average injection quantity
mm3/st.
70.7
69.7
71.7
Basic
*
Fixing the lever
*
Injection quantity adjustment_04
Adjusting point
B
Rack position
R1+0.1
Pump speed
r/min
1500
1500
1500
Average injection quantity
mm3/st.
84.4
80.4
88.4
Fixing the lever
*
Injection quantity adjustment_05
Adjusting point
I
Rack position
-
Pump speed
r/min
150
150
150
Average injection quantity
mm3/st.
98
98
130
Fixing the lever
*
Timer adjustment
Pump speed
r/min
1275--
Advance angle
deg.
0
0
0
Load
3/4
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
1225
Advance angle
deg.
0.5
Load
3/4
Timer adjustment_03
Pump speed
r/min
1275
Advance angle
deg.
0.5
Load
4/4
Timer adjustment_04
Pump speed
r/min
1500
Advance angle
deg.
5.5
5
6
Load
4/4
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.
----------
T1=F89
----------
----------
T1=F89
----------
Speed control lever angle

F:Full speed
I:Idle
(1)Use the hole at R = aa
(2)Stopper bolt set position 'H'
----------
aa=45mm
----------
a=21.5deg+-5deg b=29deg+-3deg
----------
aa=45mm
----------
a=21.5deg+-5deg b=29deg+-3deg
Stop lever angle

N:Pump normal
S:Stop the pump.
----------
----------
a=25deg+-5deg b=40deg+-5deg
----------
----------
a=25deg+-5deg b=40deg+-5deg
0000001501 I/P WITH LOAD PLUNGER ADJ
Plunger assembly number: PL (stamping: ST)
1. Adjustment procedures
(1)Insert the pre-stroke adjusting shims L1 for each cylinder.
(2)Adjust injection quantity.(max. var. bet. cyl. idling a1, full a2)
(3)At basic point A, adjust so that the pre-stroke is L2.
(4)Reconfirm the injection quantity.
----------
PL=131153-6420 ST=A743 L1=1mm L2=3.6+-0.05mm a1=+-14% a2=+-2.5%
----------
----------
PL=131153-6420 ST=A743 L1=1mm L2=3.6+-0.05mm a1=+-14% a2=+-2.5%
----------
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=8deg
----------
a=(60deg)
----------
aa=8deg
----------
a=(60deg)
Information:
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.
This Revised Service Letter replaces the October 20, 1993 Service Letter. Changes have been made to the Action Required.
Termination Date
January 31, 1994Problem
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 and 1010060 Nozzle Assemblies need to be removed from Parts Stock because they may crack at the braze joint.
Action Required
Remove all 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 and 1010060 Nozzle Assemblies from Parts Stock with a date code of D--3, E--3, F--3, or G--3. Refer to the Illustration below for the location of the date code. The date codes will appear as a letter followed by three numbers. The letter denotes the month, the first two numbers denote the day of the month, and the number 3 denotes the year. For example, D223 is the date code for April 22, 1993.
Location of Date CodeService Claim Allowances
Submit one claim for all 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 and 1010060 Nozzle Assemblies removed from Parts Stock.
US and Canadian Dealers Only - When submitting a Parts Stock claim use 99Z00007 in the Product Identification Number Field.
Parts Disposition
U.S. and Canadian Dealers
Return all 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 and 1010060 Nozzle Assemblies that are removed from Parts Stock and a copy of the claim to:
CaterpillarInc.
Attn:HowardJenkel/PI7324
Warehouse#4Docks7thru10
8201N.University
Peoria,IL 61615
All Other Dealers
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
This Revised Service Letter replaces the October 20, 1993 Service Letter. Changes have been made to the Action Required.
Termination Date
January 31, 1994Problem
Certain 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 and 1010060 Nozzle Assemblies need to be removed from Parts Stock because they may crack at the braze joint.
Action Required
Remove all 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 and 1010060 Nozzle Assemblies from Parts Stock with a date code of D--3, E--3, F--3, or G--3. Refer to the Illustration below for the location of the date code. The date codes will appear as a letter followed by three numbers. The letter denotes the month, the first two numbers denote the day of the month, and the number 3 denotes the year. For example, D223 is the date code for April 22, 1993.
Location of Date CodeService Claim Allowances
Submit one claim for all 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 and 1010060 Nozzle Assemblies removed from Parts Stock.
US and Canadian Dealers Only - When submitting a Parts Stock claim use 99Z00007 in the Product Identification Number Field.
Parts Disposition
U.S. and Canadian Dealers
Return all 7N0449, 1W5829, 4W1819, 4W8483, 7W3710 and 1010060 Nozzle Assemblies that are removed from Parts Stock and a copy of the claim to:
CaterpillarInc.
Attn:HowardJenkel/PI7324
Warehouse#4Docks7thru10
8201N.University
Peoria,IL 61615
All Other Dealers
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.