Information injection-pump assembly
BOSCH
9 400 618 079
9400618079
ZEXEL
106871-2052
1068712052
MITSUBISHI
ME066131
me066131
Rating:
Cross reference number
BOSCH
9 400 618 079
9400618079
ZEXEL
106871-2052
1068712052
MITSUBISHI
ME066131
me066131
Zexel num
Bosch num
Firm num
Name
106871-2052
9 400 618 079
ME066131 MITSUBISHI
INJECTION-PUMP ASSEMBLY
8DC81 K 14CD INJECTION PUMP ASSY PE8P PE
8DC81 K 14CD INJECTION PUMP ASSY PE8P PE
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 8-3-600
Outer diameter - inner diameter - length (mm) mm 8-3-600
Overflow valve
134424-1320
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
1-2-7-3-
4-5-6-8
Pre-stroke
mm
4.8
4.75
4.85
Beginning of injection position
Governor side NO.1
Governor side NO.1
Difference between angles 1
Cyl.1-2 deg. 45 44.5 45.5
Cyl.1-2 deg. 45 44.5 45.5
Difference between angles 2
Cal 1-7 deg. 90 89.5 90.5
Cal 1-7 deg. 90 89.5 90.5
Difference between angles 3
Cal 1-3 deg. 135 134.5 135.5
Cal 1-3 deg. 135 134.5 135.5
Difference between angles 4
Cal 1-4 deg. 180 179.5 180.5
Cal 1-4 deg. 180 179.5 180.5
Difference between angles 5
Cal 1-5 deg. 225 224.5 225.5
Cal 1-5 deg. 225 224.5 225.5
Difference between angles 6
Cal 1-6 deg. 270 269.5 270.5
Cal 1-6 deg. 270 269.5 270.5
Difference between angles 7
Cal 1-8 deg. 315 314.5 315.5
Cal 1-8 deg. 315 314.5 315.5
Injection quantity adjustment
Adjusting point
-
Rack position
9
Pump speed
r/min
700
700
700
Each cylinder's injection qty
mm3/st.
85
82.4
87.6
Basic
*
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_02
Adjusting point
C
Rack position
6.7+-0.5
Pump speed
r/min
200
200
200
Each cylinder's injection qty
mm3/st.
18.5
15.7
21.3
Fixing the rack
*
Standard for adjustment of the maximum variation between cylinders
*
Injection quantity adjustment_03
Adjusting point
A
Rack position
R1(9+-0.
5)
Pump speed
r/min
700
700
700
Average injection quantity
mm3/st.
85
84
86
Fixing the lever
*
Injection quantity adjustment_04
Adjusting point
B
Rack position
R1(9+-0.
5)
Pump speed
r/min
1100
1100
1100
Average injection quantity
mm3/st.
97
93.1
100.9
Difference in delivery
mm3/st.
7.8
7.8
7.8
Fixing the lever
*
Injection quantity adjustment_05
Adjusting point
E
Rack position
-
Pump speed
r/min
100
100
100
Average injection quantity
mm3/st.
130
110
150
Fixing the lever
*
Remarks
After startup boost setting
After startup boost setting
Timer adjustment
Pump speed
r/min
600+-50
Advance angle
deg.
0
0
0
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
700
Advance angle
deg.
0.7
0.2
1.2
Timer adjustment_03
Pump speed
r/min
850
Advance angle
deg.
2
1.5
2.5
Timer adjustment_04
Pump speed
r/min
1000
Advance angle
deg.
3.6
3.1
4.1
Timer adjustment_05
Pump speed
r/min
1150
Advance angle
deg.
5.5
5
6
Remarks
Finish
Finish
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Beginning of damper spring operation: DL
(2)Excess fuel setting for starting: SXL
----------
DL=5-0.2mm SXL=R1+0.2mm
----------
----------
DL=5-0.2mm SXL=R1+0.2mm
----------
0000000901
F:Full load
I:Idle
(1)Stopper bolt setting
----------
----------
a=23deg+-5deg b=24.5deg+-3deg
----------
----------
a=23deg+-5deg b=24.5deg+-3deg
Stop lever angle
N:Pump normal
S:Stop the pump.
----------
----------
a=56deg+-5deg b=64deg+-5deg
----------
----------
a=56deg+-5deg b=64deg+-5deg
0000001501 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=325+-5r/min Ra=6.3mm
----------
----------
N1=325+-5r/min Ra=6.3mm
----------
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.
TERMINATION DATE
30Apr2021
PROBLEM
The existing fuel injectors can fail on certain 14M, 16M, and 18M Motor Graders. If the existing injector fails it can create performance issues.
AFFECTED PRODUCT
Model Identification Number
14M 3 E9S00377-00378
16M 3 E9Y00360
18M 3 E9W00279
PARTS NEEDED
Qty
Part Number Description
6 2490712 INJECTOR GP-FUEL
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 32% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
Replace the existing injectors with new injectors.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-3000 hrs,
0-12 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 3.0-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Have questions with 106871-2052?
Group cross 106871-2052 ZEXEL
Mitsubishi
106871-2052
9 400 618 079
ME066131
INJECTION-PUMP ASSEMBLY
8DC81
8DC81