Information injection-pump assembly
ZEXEL
101401-0680
1014010680
ISUZU
8944122910
8944122910
Rating:
Cross reference number
ZEXEL
101401-0680
1014010680
ISUZU
8944122910
8944122910
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
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
1-3-4-2
Pre-stroke
mm
2.4
2.35
2.45
Beginning of injection position
Drive side NO.1
Drive 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
A
Rack position
8.8
Pump speed
r/min
1450
1450
1450
Average injection quantity
mm3/st.
48
46.5
49.5
Max. variation between cylinders
%
0
-2.5
2.5
Basic
*
Fixing the lever
*
Injection quantity adjustment_02
Adjusting point
B
Rack position
9.3
Pump speed
r/min
1200
1200
1200
Average injection quantity
mm3/st.
53.3
50.8
55.8
Max. variation between cylinders
%
0
-4
4
Fixing the lever
*
Injection quantity adjustment_03
Adjusting point
-
Rack position
7.3+-0.5
Pump speed
r/min
250
250
250
Average injection quantity
mm3/st.
9.4
8.1
10.7
Max. variation between cylinders
%
0
-14
14
Fixing the rack
*
Remarks
Adjust only variation between cylinders; adjust governor according to governor specifications.
Adjust only variation between cylinders; adjust governor according to governor specifications.
Timer adjustment
Pump speed
r/min
550--
Advance angle
deg.
0
0
0
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
500
Advance angle
deg.
0.5
Timer adjustment_03
Pump speed
r/min
800
Advance angle
deg.
0.6
0.1
1.1
Timer adjustment_04
Pump speed
r/min
1100
Advance angle
deg.
1.9
1.4
2.4
Timer adjustment_05
Pump speed
r/min
1425
Advance angle
deg.
4
3.5
4.5
Timer adjustment_06
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)Target notch: K
(2)RACK CAP: R1
----------
K=5 R1=(17.5)mm
----------
----------
K=5 R1=(17.5)mm
----------
Speed control lever angle
F:Full speed
I:Idle
S:Stop
----------
----------
a=14.5deg+-5deg b=28.5deg+-5deg c=32deg+-3deg
----------
----------
a=14.5deg+-5deg b=28.5deg+-5deg c=32deg+-3deg
Stop lever angle
N:Pump normal
S:Stop the pump.
----------
----------
a=19deg+-5deg b=53deg+-5deg
----------
----------
a=19deg+-5deg b=53deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Position of gear mark 'CC' at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=15deg
----------
a=(90deg)
----------
aa=15deg
----------
a=(90deg)
Information:
03Jul2007
U-305
A-248
D-257
O-277
Parts stock action only
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND REMOVING 8N7005 INJECTORS FROM DEALER PARTS STOCK THAT ARE NOT PACKAGED IN THE PROPER CATERPILLAR PACKAGE AND CATERPILLAR LABEL
1254 7750 1252 PI70234
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
31Oct2007
PROBLEM
Some 8N7005 Fuel Valve Nozzles have been shipped in incorrect Packaging. The package does not have the standard Caterpillar label. The Parts do not have the Caterpillar Logo.
ACTION REQUIRED
Inspect 8N7005 Fuel Valve Nozzles in inventory. Confirm that the injectors are packaged in Caterpillar packaging and Caterpillar label with Caterpillar Logo on the parts.
Image 1 shows the proper packaging and branding on the right side and the improper packaging on the left.
Image 2 shows the proper Caterpillar Logo and the left side shows the nozzles with the incorrect packaging and other identifying marks.
Image1
Image2
SERVICE CLAIM ALLOWANCES
Submit one claim for all parts removed from dealer parts stock.
PARTS DISPOSITION
Return parts to address below to the attn: Clark Hopkins
For NACD
Caterpillar Inc.
Attn: Supplier Recovery
Service Claims Room
8201 N. University
Peoria, IL 61615