Information injection-pump assembly
BOSCH
9 400 611 791
9400611791
ZEXEL
106673-7721
1066737721
MITSUBISHI
ME152268
me152268
Rating:
Service parts 106673-7721 INJECTION-PUMP ASSEMBLY:
1.
_
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
ME151161
12.
Open Pre:MPa(Kqf/cm2)
15.7{160}/21.6{220}
14.
NOZZLE
Include in #1:
106673-7721
as INJECTION-PUMP ASSEMBLY
Cross reference number
BOSCH
9 400 611 791
9400611791
ZEXEL
106673-7721
1066737721
MITSUBISHI
ME152268
me152268
Zexel num
Bosch num
Firm num
Name
106673-7721
9 400 611 791
ME152268 MITSUBISHI
INJECTION-PUMP ASSEMBLY
6D24T1 K 14CA INJECTION PUMP ASSY PE6P,6PD PE
6D24T1 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
105780-8250
Bosch type code
1 688 901 101
Nozzle
105780-0120
Bosch type code
1 688 901 990
Nozzle holder
105780-2190
Opening pressure
MPa
20.7
Opening pressure
kgf/cm2
211
Injection pipe
Outer diameter - inner diameter - length (mm) mm 8-3-600
Outer diameter - inner diameter - length (mm) mm 8-3-600
Overflow valve
131425-0220
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
255
255
255
Tester oil delivery pressure
kgf/cm2
2.6
2.6
2.6
RED3 control unit part number
407910-2
470
RED3 rack sensor specifications
mm
15
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
3.9
3.85
3.95
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
Rack position
(12.3)
Vist
V
1.54
1.54
1.54
Pump speed
r/min
700
700
700
Average injection quantity
mm3/st.
148
147
149
Max. variation between cylinders
%
0
-2.5
2.5
Basic
*
Injection quantity adjustment_02
Rack position
(6.7)
Vist
V
2.7
2.6
2.8
Pump speed
r/min
405
405
405
Average injection quantity
mm3/st.
15.8
13.8
17.8
Max. variation between cylinders
%
0
-15
15
Test data Ex:
Governor adjustment
(1)Adjusting range
(2)Step response time
(N): Speed of the pump
(L): Load
(theta) Advance angle
(Srd1) Step response time 1
(Srd2) Step response time 2
1. Adjusting conditions for the variable timer
(1)Adjust the clearance between the pickup and the protrusion to L.
----------
L=1.5-0.2mm N2=800r/min C2=(10deg) t1=2.5--sec. t2=2.5--sec.
----------
N1=750++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=10+-0.3deg R01=0/4load R02=4/4load
----------
L=1.5-0.2mm N2=800r/min C2=(10deg) t1=2.5--sec. t2=2.5--sec.
----------
N1=750++r/min P1=0kPa(0kgf/cm2) P2=392kPa(4kgf/cm2) C1=10+-0.3deg R01=0/4load R02=4/4load
Speed control lever angle
N:Pump normal
S:Stop the pump.
(1)Rack position = aa
(2)Rack position bb
----------
aa=16mm bb=1mm
----------
a=3deg+-5deg b=29deg+-5deg
----------
aa=16mm bb=1mm
----------
a=3deg+-5deg b=29deg+-5deg
0000000901
(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=5deg
----------
a=(2deg)
----------
aa=5deg
----------
a=(2deg)
Stop lever angle
(Rs) rack sensor specifications
(C/U) control unit part number
(V) Rack sensor output voltage
(R) Rack position (mm)
1. Confirming governor output characteristics (rack 15 mm, span 6 mm)
(1)When the output voltages of the rack sensor are V1 and V2, check that the rack positions R1 and R2 in the table above are satisfied.
----------
----------
----------
----------
0000001201 RACK SENSOR
(VR) measurement voltage
(I) Part number of the control unit
(G) Apply red paint.
(H): End surface of the pump
1. Rack sensor adjustment (154610-0620)
(1)At governor side rack sensor output voltage V1, adjust the bobbin (A) so that the drive side rack sensor output voltage is VR+-0.01.
(2)Apply G at two places.
Connecting part between the joint (B) and the nut (F)
Connecting part between the joint (B) and the end surface of the pump (H)
----------
V1=1V
----------
----------
V1=1V
----------
Information:
When reporting the repair, use "PS90607" 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
30Jun2017
PROBLEM
The existing injector harness can experience intermittent faults on certain 797F Off-Highway Trucks. If the existing injector harness fails it can result in extensive downtime attempting to identify and resolve the issue.
AFFECTED PRODUCT
Model Identification Number
797F LAJ00195-00196, 229, 231-232, 237-246, 286, 288, 290, 299, 353, 355, 357, 359, 361, 363-364, 366, 376-377, 379, 386, 388, 392, 395, 422, 424, 432, 434, 439-440, 478-482, 484, 537, 539, 544-553, 566-568, 572, 585-595, 597-598
PARTS NEEDED
Qty
Part Number Description
20 4979351 HARNESS AS
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 injector harnesses with the new 497-9351 Injector Harness for each cylinder.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-12000 hrs,
0-39 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 4.0-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.
Have questions with 106673-7721?
Group cross 106673-7721 ZEXEL
Mitsubishi
Mitsubishi
106673-7721
9 400 611 791
ME152268
INJECTION-PUMP ASSEMBLY
6D24T1
6D24T1