Information injection-pump assembly
BOSCH
9 400 614 448
9400614448
ZEXEL
101492-3712
1014923712
KOMATSU
6205711231
6205711231

Rating:
Service parts 101492-3712 INJECTION-PUMP ASSEMBLY:
1.
_
5.
AUTOM. ADVANCE MECHANIS
6.
COUPLING PLATE
7.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
6206-11-3100
12.
Open Pre:MPa(Kqf/cm2)
19.6{200}
15.
NOZZLE SET
Cross reference number
BOSCH
9 400 614 448
9400614448
ZEXEL
101492-3712
1014923712
KOMATSU
6205711231
6205711231
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 6-2-600
Outer diameter - inner diameter - length (mm) mm 6-2-600
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)
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
3.2
3.15
3.25
Rack position
Point A R=A
Point A R=A
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
9.7
Pump speed
r/min
1050
1050
1050
Average injection quantity
mm3/st.
70.1
69.1
71.1
Max. variation between cylinders
%
0
-2.5
2.5
Basic
*
Fixing the lever
*
Injection quantity adjustment_02
Adjusting point
-
Rack position
7.7+-0.5
Pump speed
r/min
450
450
450
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)Rack difference between N = N1 and N = N2
(4)Rack difference between N = N3 and N = N4
----------
K=14 R1=15+-1mm N1=1050r/min N2=750r/min N3=1050r/min N4=300r/min
----------
----------
K=14 R1=15+-1mm N1=1050r/min N2=750r/min N3=1050r/min N4=300r/min
----------
Speed control lever angle

F:Full speed
I:Idle
S:Stop
(1)Use the hole at R = aa
----------
aa=80mm
----------
a=32deg+-5deg b=16deg+-3deg c=32deg+-3deg
----------
aa=80mm
----------
a=32deg+-5deg b=16deg+-3deg c=32deg+-3deg
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)-
----------
----------
a=58deg+-3deg b=2deg+-30min
----------
----------
a=58deg+-3deg b=2deg+-30min
Information:
(1) Remove the plug in the dash and install 3T306 Starting Aid Switch (1). Connect two purple wires (2), from the wiring harness, to switch (1).(2) On machines with a bulldozer, remove two nuts (3), washers and bolts. Remove two bolts (4) and washers. Remove bracket (5) from bracket (6). (3) Put 7G6359 Box Assembly (7) in position and install two 5F4899 Bolts (8) and 5M2894 Washers. Install two S1594 Bolts (9), 5P1075 Washers and 1D4717 Nuts to hold box assembly (7) to bracket (6). Install 4M7470 Grommet in hole (A).(4) Put the wires of 6N7674 Valve Assembly (10) through hole (A) and install valve assembly (10) on box assembly (7) with two S1617 Bolts (11), 5P4116 Washers and 1D4716 Nuts. Install 7N2059 Clamp Assembly (12) with two S1617 Bolts, 5P4116 Washers and 1D4716 Nuts. Install 63801 Washer (13) on 6D1746 Bolt (14). Put bolt (14) in position in cover (15) and install L1365 Washer (16) on bolt (14). Install 3B4610 Cotter Pin (17) in bolt (14). (5) Remove the plug from the manifold and install 6N9995 Atomizer Assembly (18) as shown. The orifices of the atomizer must be toward each end of the manifold. Install 5P7907 Connector (19) in valve assembly (10). Connect 9G941 Tube (20) to atomizer assembly (18). Use 5P6314 Sleeve (21) and 5P6313 Nut (22) to connect tube (20) to connector (19). Remove the plug from the bypass elbow of the water lines group and install 6N5899 Switch (23). Connect 9G6560 Wire Assembly (24) to switch (23) and to valve assembly (10). Connect 9G6561 Wire Assembly (25) to valve assembly (10) and to the purple wire, from the starting aid switch, at the rear of the engine. Use former clips (26) to hold wire assemblies (24) and (25) in position.(6) Remove cap (27) from valve assembly (10) and install a 7N296 Cylinder Assembly. (7) For machines without bulldozer lines, remove the two bolts from the cylinder head and put 7G6359 Box Assembly (7) in position. Install two 5F4899 Bolts (8) and 5M2894 Washers. Remove the bolt from the exhaust manifold and put 3T1685 Bracket (27) in position. Install L2070 Bolt (28), 5M2894 Washer and 1D4717 Nut. Install two S1594 Bolts (9), 5P1075 Washers and 1D4717 Nuts. Install the 4M7470 Grommet in hole (A), see Step 3. Follow Steps 1, 4, 5 and 6 for installation of the group.