Information injection-pump assembly
BOSCH
9 400 614 200
9400614200
ZEXEL
101472-3740
1014723740
KOMATSU
6144751201
6144751201

Rating:
Service parts 101472-3740 INJECTION-PUMP ASSEMBLY:
1.
_
5.
AUTOM. ADVANCE MECHANIS
6.
COUPLING PLATE
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
6142-12-3300
12.
Open Pre:MPa(Kqf/cm2)
11.8{120}
15.
NOZZLE SET
Cross reference number
BOSCH
9 400 614 200
9400614200
ZEXEL
101472-3740
1014723740
KOMATSU
6144751201
6144751201
Zexel num
Bosch num
Firm num
Name
101472-3740
9 400 614 200
6144751201 KOMATSU
INJECTION-PUMP ASSEMBLY
4D94 * K
4D94 * 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
2.2
2.15
2.25
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
8
Pump speed
r/min
1400
1400
1400
Average injection quantity
mm3/st.
34.1
33.1
35.1
Max. variation between cylinders
%
0
-2
2
Basic
*
Fixing the rack
*
Injection quantity adjustment_02
Adjusting point
B
Rack position
8.3
Pump speed
r/min
1350
1350
1350
Average injection quantity
mm3/st.
37
36
38
Max. variation between cylinders
%
0
-4
4
Fixing the lever
*
Injection quantity adjustment_03
Adjusting point
C
Rack position
7
Pump speed
r/min
350
350
350
Average injection quantity
mm3/st.
9
8.2
9.8
Max. variation between cylinders
%
0
-15
15
Fixing the rack
*
Injection quantity adjustment_04
Adjusting point
D
Rack position
8.8
Pump speed
r/min
500
500
500
Average injection quantity
mm3/st.
29.8
26.8
32.8
Fixing the lever
*
Test data Ex:
Governor adjustment

N:Pump speed
R:Rack position (mm)
(1)Target notch: K
(2)RACK CAP: R1
(3)Torque control stroke: L1
----------
K=15 R1=18+-1mm L1=0.5+0.1mm
----------
----------
K=15 R1=18+-1mm L1=0.5+0.1mm
----------
Speed control lever angle

F:Full speed
I:Idle
S:Stop
----------
----------
a=21.5deg+-5deg b=32deg+-3deg c=26.5deg+-5deg
----------
----------
a=21.5deg+-5deg b=32deg+-3deg c=26.5deg+-5deg
Stop lever angle

N:Pump normal
S:Stop the pump.
----------
----------
a=26.5deg+-5deg b=53deg+-5deg
----------
----------
a=26.5deg+-5deg b=53deg+-5deg
Information:
Table 1
Revision Summary of Changes
01 Updated the effectivity. A new Diesel Exhaust Fluid (DEF) filter is now available on machines listed above. The DEF filter has an improved filter efficiency.
Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.
The following changes are now available for the products within the listed serial numbers.Refer to Table 2 for a list of a new and former part numbers.
Table 2
Required Parts
DEF Filter DEF Manifold Group
Application New Part Number Part Name Former Part Number (1) New Part Number Part Name Former Part Number (1)
785G 584-8139 DEF Filter 453-1607 585-3956 DEF Manifold Gp 480-4090
789G, 793F, 794AC, 797F, and 994K 584-8140 DEF Filter 453-1608 585-3957 DEF Manifold Gp 480-4091
(1) The former part number listed is for reference only and may differ.Note: The new DEF manifold group part numbers listed in Table 2 will be assembled with the new filters.
Illustration 1 g06570567
DEF manifold
(1) ClampAn additional change, beyond the new DEF filter, was made to the 585-3957 DEF Manifold Gp. The clamp in the location highlighted in Illustration 2 was removed to eliminate a potential wear point.
Illustration 2 g06570636
Typical view of the DEF manifold group
(2) DEF manifold
(3) DEF filterThis change is effective for the Pump Electronic Tank Unit (PETU) serial numbers listed in Table 3.
Table 3
Pump Electronic Tank Unit (PETU) Serial Numbers
S/N:PET001414J
S/N:PET001444J-UP
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Group cross 101472-3740 ZEXEL
Komatsu
101472-3740
9 400 614 200
6144751201
INJECTION-PUMP ASSEMBLY
4D94
4D94