Information injection-pump assembly
BOSCH
9 400 611 839
9400611839
ZEXEL
106673-7790
1066737790
MITSUBISHI
ME158421
me158421

Rating:
Service parts 106673-7790 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:
106673-7790
as INJECTION-PUMP ASSEMBLY
Cross reference number
BOSCH
9 400 611 839
9400611839
ZEXEL
106673-7790
1066737790
MITSUBISHI
ME158421
me158421
Zexel num
Bosch num
Firm num
Name
9 400 611 839
ME158421 MITSUBISHI
INJECTION-PUMP ASSEMBLY
6D24TE K 14CA INJECTION PUMP ASSY PE6P,6PD PE
6D24TE K 14CA INJECTION PUMP ASSY 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
*
Boost pressure
kPa
29.3
29.3
Boost pressure
mmHg
220
220
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
*
Boost pressure
kPa
0
0
0
Boost pressure
mmHg
0
0
0
Boost compensator adjustment
Pump speed
r/min
750
750
750
Rack position
R1-1.6
Boost pressure
kPa
4
1.3
6.7
Boost pressure
mmHg
30
10
50
Boost compensator adjustment_02
Pump speed
r/min
750
750
750
Rack position
R1(10.5)
Boost pressure
kPa
16
16
16
Boost pressure
mmHg
120
120
120
Timer adjustment
Pump speed
r/min
0
Advance angle
deg.
2.5
2
3
Timer adjustment_02
Pump speed
r/min
300
Advance angle
deg.
2.5
2
3
Remarks
Start
Start
Timer adjustment_03
Pump speed
r/min
-
Advance angle
deg.
0
0
0
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)At excess fuel lever operation (at boost pressure 0): L1
(4)Set idle sub-spring
(5)Main spring setting
(6)Boost compensator stroke
(7)Rack difference between N = N1 and N = N2
----------
K=8 L1=10.4+-0.1mm N1=900r/min N2=300r/min
----------
----------
K=8 L1=10.4+-0.1mm 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
0000001101

N:Normal
B:When boosted
(1)Rack position = aa (point D) at boost pressure 0.
----------
aa=10.4+-0.1mm
----------
a=(18deg) b=(4deg)
----------
aa=10.4+-0.1mm
----------
a=(18deg) b=(4deg)
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=12deg
----------
a=(6deg)
----------
aa=12deg
----------
a=(6deg)
Information:
When reporting the repair, use "PS90778" as the Part Number and "7777" as the Group Number. If administered before failure, use "56" as Warranty Claim Description and "T" as the SIMS Description Code. If administered after failure, use "96" as Warranty Claim Description Code and use "Z" as the SIMS 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
31Oct2018
PROBLEM
The 341-2378 Injector Wiring Harness may cause an intermittent injector signal that may cause an injector diagnostic code on certain 793F Off-Highway Trucks.
AFFECTED PRODUCT
Model Identification Number
793F SSP01079-01080, 1082-1084, 1161-1165, 1170
PARTS NEEDED
Qty
Part Number Description
16 5L4019 RING-RETAINING
16 0336034 SEAL-O-RING
16 4979351 HARNESS AS
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 11% 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
Refer to the Service Manual if/as necessary.
Replace the existing 341-2378 Injector Wiring Harness with the a 497-9351 Injector Wiring Harness. The 497-9351 Injector Wiring Harness is distinguishable from the previous harness by a blue zip tie on the harness.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-11000 hrs,
0-18 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 2.0-hour job
If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.