Information injection-pump assembly
ZEXEL
106692-9291
1066929291
KOMATSU
6151721950
6151721950

Rating:
Service parts 106692-9291 INJECTION-PUMP ASSEMBLY:
1.
_
5.
AUTOM. ADVANCE MECHANIS
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
6151-12-3200
12.
Open Pre:MPa(Kqf/cm2)
24.5{250}
15.
NOZZLE SET
Include in #1:
106692-9291
as INJECTION-PUMP ASSEMBLY
Cross reference number
ZEXEL
106692-9291
1066929291
KOMATSU
6151721950
6151721950
Zexel num
Bosch num
Firm num
Name
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
131424-1520
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
157
157
157
Tester oil delivery pressure
kgf/cm2
1.6
1.6
1.6
Direction of rotation (viewed from drive side)
Left L
Left L
Injection timing adjustment
Direction of rotation (viewed from drive side)
Left L
Left L
Injection order
1-5-3-6-
2-4
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
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
11.1
Pump speed
r/min
900
900
900
Average injection quantity
mm3/st.
233
231
235
Max. variation between cylinders
%
0
-3
3
Basic
*
Fixing the rack
*
Injection quantity adjustment_02
Adjusting point
-
Rack position
6.4+-0.5
Pump speed
r/min
375
375
375
Average injection quantity
mm3/st.
15
13.5
16.5
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)Tolerance for racks not indicated: +-0.05mm.
(3)Set using the main spring.
(4)Set idle sub-spring
----------
K=8
----------
----------
K=8
----------
Speed control lever angle

F:Full speed
I:Idle
(1)Stopper bolt setting
----------
----------
a=(1deg)+-5deg b=(21deg)+-5deg
----------
----------
a=(1deg)+-5deg b=(21deg)+-5deg
Stop lever angle

N:Pump normal
S:Stop the pump.
(1)Use hole at R = aa (left hand side)
(2)No return spring
----------
aa=27mm
----------
a=26.5deg+-5deg b=53deg+-5deg
----------
aa=27mm
----------
a=26.5deg+-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)-
(4)-
----------
----------
a=(150deg)
----------
----------
a=(150deg)
Information:
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.
Table 1
Existing Part Number New Part Number Description
459-7216 471-6029 DEF Injector & Mounting Gp
540-0883 554-8955 24V DEF Pump Software
481-5823 554-8956 12V DEF Pump Software Refer to Disassembly and Assembly, DEF Injector and Mounting - Remove and Install for the correct procedure to install the new DEF injector.Refer to Troubleshooting, ECM Software - Install for the correct procedure to install the new software.