Information
ZEXEL
106672-4480
1066724480
KOMATSU
6128711032
6128711032

Rating:
Service parts 106672-4480 INJECTION-PUMP ASSEMBLY:
1.
_
2.
FUEL INJECTION PUMP
3.
GOVERNOR
5.
AUTOM. ADVANCE MECHANIS
6.
COUPLING PLATE
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
6127-11-3104
12.
Open Pre:MPa(Kqf/cm2)
21.6{220}
15.
NOZZLE SET
Include in #1:
106672-4480
as INJECTION-PUMP ASSEMBLY
Cross reference number
ZEXEL
106672-4480
1066724480
KOMATSU
6128711032
6128711032
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
105780-8130
Bosch type code
EFEP215A
Nozzle
105780-0050
Bosch type code
DN6TD119NP1T
Nozzle holder
105780-2090
Bosch type code
EFEP215
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
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
2.5
2.45
2.55
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
14.3
Pump speed
r/min
1000
1000
1000
Each cylinder's injection qty
mm3/st.
250
245
255
Basic
*
Fixing the rack
*
Injection quantity adjustment_02
Adjusting point
B
Rack position
16.5
Pump speed
r/min
1000
1000
1000
Average injection quantity
mm3/st.
335
333
337
Fixing the lever
*
Injection quantity adjustment_03
Adjusting point
C
Rack position
16.5
Pump speed
r/min
700
700
700
Average injection quantity
mm3/st.
315
310
320
Fixing the lever
*
Injection quantity adjustment_04
Adjusting point
D
Rack position
14.6
Pump speed
r/min
400
400
400
Average injection quantity
mm3/st.
254
249
259
Fixing the lever
*
Injection quantity adjustment_05
Adjusting point
E
Rack position
8.6
Pump speed
r/min
300
300
300
Average injection quantity
mm3/st.
28
25
31
Max. variation between cylinders
%
0
-10
10
Fixing the rack
*
Boost compensator adjustment
Pump speed
r/min
400
400
400
Rack position
14.6
Boost pressure
kPa
24
22.7
26.7
Boost pressure
mmHg
180
170
200
Boost compensator adjustment_02
Pump speed
r/min
400
400
400
Rack position
16.5
Boost pressure
kPa
48
41.3
54.7
Boost pressure
mmHg
360
310
410
Test data Ex:
Governor adjustment

N:Pump speed
R:Rack position (mm)
(1)Target notch: K
(2)RACK LIMIT: RAL
(3)Boost pressure: not less than BP1
(4)Boost pressure: not exceeding BP2
(5)Deliver without the torque control spring operating.
(6)Boost compensator stroke: BCL
(7)Set idle at boost pressure 0.
----------
K=18 RAL=(16.5+0.2)mm BP1=48+-6.7kPa{360+-50mmHg} BP2=24+2.7-1.3kPa{180+20-10mmHg} BCL=1.9mm
----------
----------
K=18 RAL=(16.5+0.2)mm BP1=48+-6.7kPa{360+-50mmHg} BP2=24+2.7-1.3kPa{180+20-10mmHg} BCL=1.9mm
----------
Speed control lever angle

F:Full speed
I:Idle
S:Stop
----------
----------
a=21deg+-5deg b=30deg+-5deg c=35deg+-5deg
----------
----------
a=21deg+-5deg b=30deg+-5deg c=35deg+-5deg
Information:
ACTION REQUIRED
If the existing fuel injection pump causes the machine to have low power, replace the fuel injection pump.
Refer to the engine's Disassembly and Assembly manual for the removal and installation of the fuel injection pump.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
*******Group 1*******
0-2000 hrs,
0-24 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 4.0-hour job for Group 1
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
*******Group 2*******
0-2000 hrs,
0-24 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 4.0-hour job for Group 2
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
*******Group 3*******
0-2000 hrs,
0-24 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 4.0-hour job for Group 3
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.