Information injection-pump assembly
ZEXEL
101492-3920
1014923920
KOMATSU
6205711420
6205711420
Rating:
Cross reference number
ZEXEL
101492-3920
1014923920
KOMATSU
6205711420
6205711420
Zexel num
Bosch num
Firm num
Name
101492-3920
6205711420 KOMATSU
INJECTION-PUMP ASSEMBLY
S4D95L * K
S4D95L * K
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
1-2-4-3
Pre-stroke
mm
3.6
3.55
3.65
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cyl.1-2 deg. 90 89.5 90.5
Cyl.1-2 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
Cal 1-3 deg. 270 269.5 270.5
Cal 1-3 deg. 270 269.5 270.5
Injection quantity adjustment
Adjusting point
A
Rack position
10.8
Pump speed
r/min
900
900
900
Average injection quantity
mm3/st.
56.2
55.2
57.2
Max. variation between cylinders
%
0
-2.5
2.5
Basic
*
Fixing the lever
*
Injection quantity adjustment_02
Adjusting point
-
Rack position
9+-0.5
Pump speed
r/min
400
400
400
Average injection quantity
mm3/st.
10.5
9.5
11.5
Max. variation between cylinders
%
0
-15
15
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.
Test data Ex:
Governor adjustment
N:Pump speed
R:Rack position (mm)
(1)Target notch: K
(2)RACK CAP: R1
(3)Idle sub spring setting: L1.
(4)Rack difference between N = N1 and N = N2
(5)Rack difference between N = N3 and N = N4
----------
K=12 R1=(17.5)mm L1=6.6-0.5mm N1=900r/min N2=250r/min N3=900r/min N4=400r/min
----------
----------
K=12 R1=(17.5)mm L1=6.6-0.5mm N1=900r/min N2=250r/min N3=900r/min N4=400r/min
----------
Speed control lever angle
F:Full speed
I:Idle
(1)Set the pump speed at aa. ( At delivery )
(2)Pump speed = bb
(3)Stopper bolt setting
----------
aa=900r/min bb=750r/min
----------
a=49deg+-5deg b=27deg+-5deg c=7deg+-5deg
----------
aa=900r/min bb=750r/min
----------
a=49deg+-5deg b=27deg+-5deg c=7deg+-5deg
Stop lever angle
N:Pump normal
S:Stop the pump.
(1)No return spring
----------
----------
a=47deg+-5deg b=53deg+-5deg
----------
----------
a=47deg+-5deg b=53deg+-5deg
Timing setting
(1)Pump vertical direction
(2)Position of key groove at No 1 cylinder's beginning of injection
(3)Stamp aligning marks on the pump housing flange.
(4)-
(5)-
----------
----------
a=59deg36min+-3deg b=0deg24min+-30min
----------
----------
a=59deg36min+-3deg b=0deg24min+-30min
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.
Have questions with 101492-3920?
Group cross 101492-3920 ZEXEL
Komatsu
101492-3920
6205711420
INJECTION-PUMP ASSEMBLY
S4D95L
S4D95L