Information injection-pump assembly
BOSCH
9 400 611 274
9400611274
ZEXEL
106673-7990
1066737990
MITSUBISHI
ME158508
me158508
Rating:
Service parts 106673-7990 INJECTION-PUMP ASSEMBLY:
1.
_
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
ME056473
12.
Open Pre:MPa(Kqf/cm2)
17.7{180}/21.6{220}
15.
NOZZLE SET
Include in #1:
106673-7990
as INJECTION-PUMP ASSEMBLY
Cross reference number
BOSCH
9 400 611 274
9400611274
ZEXEL
106673-7990
1066737990
MITSUBISHI
ME158508
me158508
Zexel num
Bosch num
Firm num
Name
9 400 611 274
ME158508 MITSUBISHI
INJECTION-PUMP ASSEMBLY
6D24TC * K 14CA PE6P,6PD PE
6D24TC * K 14CA PE6P,6PD 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
131424-4620
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
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
4.8
4.75
4.85
Beginning of injection position
Governor side NO.1
Governor 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
A
Rack position
10.5
Pump speed
r/min
900
900
900
Average injection quantity
mm3/st.
160
157
163
Max. variation between cylinders
%
0
-3
3
Basic
*
Fixing the lever
*
Injection quantity adjustment_02
Adjusting point
B
Rack position
6+-0.5
Pump speed
r/min
425
425
425
Average injection quantity
mm3/st.
8
5.4
10.6
Max. variation between cylinders
%
0
-15
15
Fixing the rack
*
Injection quantity adjustment_03
Adjusting point
C
Rack position
-
Pump speed
r/min
100
100
100
Average injection quantity
mm3/st.
140
140
150
Fixing the lever
*
Rack limit
*
Timer adjustment
Pump speed
r/min
1200++
Advance angle
deg.
0
0
0
Remarks
Do not advance until starting N = 1200.
Do not advance until starting N = 1200.
Timer adjustment_02
Pump speed
r/min
1200
Advance angle
deg.
0.5
Timer adjustment_03
Pump speed
r/min
-
Advance angle
deg.
2
2
2
Remarks
Measure the actual speed, stop
Measure the actual speed, stop
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Notch fixed: K
(2)Tolerance for racks not indicated: +-0.05mm.
(3)RACK LIMIT
(4)Set idle sub-spring
(5)Main spring setting
(6)Rack difference between N = N1 and N = N2
----------
K=8 N1=900r/min N2=300r/min
----------
----------
K=8 N1=900r/min N2=300r/min
----------
Speed control lever angle
F:Full speed
I:Idle
(1)Stopper bolt setting
(2)Set the pump speed at aa
(3)Set the pump speed at bb.
----------
aa=760r/min bb=920r/min
----------
a=(0deg)+-5deg b=(19deg)+-5deg c=(5deg)+-5deg
----------
aa=760r/min bb=920r/min
----------
a=(0deg)+-5deg b=(19deg)+-5deg c=(5deg)+-5deg
Stop lever angle
N:Pump normal
S:Stop the pump.
----------
----------
a=43.5deg+-5deg b=53deg+-5deg
----------
----------
a=43.5deg+-5deg b=53deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Coupling's key groove position at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=13deg
----------
a=(7deg)
----------
aa=13deg
----------
a=(7deg)
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.