Information injection-pump assembly
BOSCH
9 400 613 903
9400613903
ZEXEL
101402-4252
1014024252
ISUZU
8971261920
8971261920

Rating:
Service parts 101402-4252 INJECTION-PUMP ASSEMBLY:
1.
_
5.
AUTOM. ADVANCE MECHANIS
6.
COUPLING PLATE
8.
_
9.
_
11.
Nozzle and Holder
5-15300-103-2
12.
Open Pre:MPa(Kqf/cm2)
14.7{150}
15.
NOZZLE SET
Cross reference number
BOSCH
9 400 613 903
9400613903
ZEXEL
101402-4252
1014024252
ISUZU
8971261920
8971261920
Zexel num
Bosch num
Firm num
Name
9 400 613 903
8971261920 ISUZU
INJECTION-PUMP ASSEMBLY
4BD1 K 14BC INJECTION PUMP ASSY PE4A,5A, PE
4BD1 K 14BC INJECTION PUMP ASSY PE4A,5A, PE
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
131424-4920
Overflow valve opening pressure
kPa
127
107
147
Overflow valve opening pressure
kgf/cm2
1.3
1.1
1.5
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
1-3-4-2
Pre-stroke
mm
3.4
3.35
3.45
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-3 deg. 90 89.5 90.5
Cal 1-3 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
Cyl.1-2 deg. 270 269.5 270.5
Cyl.1-2 deg. 270 269.5 270.5
Injection quantity adjustment
Adjusting point
A
Rack position
7.9
Pump speed
r/min
1100
1100
1100
Average injection quantity
mm3/st.
64
62.9
65.1
Max. variation between cylinders
%
0
-2
2
Basic
*
Fixing the lever
*
Injection quantity adjustment_02
Adjusting point
-
Rack position
5.9+-0.5
Pump speed
r/min
325
325
325
Average injection quantity
mm3/st.
9
7.6
10.4
Max. variation between cylinders
%
0
-14
14
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.
Injection quantity adjustment_03
Adjusting point
D
Rack position
-
Pump speed
r/min
100
100
100
Average injection quantity
mm3/st.
86
86
96
Fixing the lever
*
Rack limit
*
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)RACK LIMIT
(4)Set idle sub-spring
(5)Main spring setting
(6)Rack difference between N = N1 and N = N2
----------
K=15 N1=1100r/min N2=700r/min
----------
----------
K=15 N1=1100r/min N2=700r/min
----------
Speed control lever angle

F:Full speed
I:Idle
S:Stop
----------
----------
a=8deg+-5deg b=20deg+-5deg c=35deg+-3deg
----------
----------
a=8deg+-5deg b=20deg+-5deg c=35deg+-3deg
Stop lever angle

N:Pump normal
S:Stop the pump.
----------
----------
a=19deg+-5deg b=53deg+-5deg
----------
----------
a=19deg+-5deg b=53deg+-5deg
Timing setting

(1)Pump vertical direction
(2)Position of gear mark 'CC' at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=18deg
----------
a=(90deg)
----------
aa=18deg
----------
a=(90deg)
Information:
(1) 7S7144 Spring for valves (new): Length under test force ... 1.766 in.(44.86 mm)Test force ... 57.7 4.5 lb.(257 20 N)Use again minimum load at length under test force ... 46.5 lb.(207 N)Length of spring at valve open position ... 1.271 in.(32.28 mm)Use again minimum load at valve open position ... 144 lb.(640 N)Free length after test ... 2.05 in.(52.1 mm)Outside diameter ... 1.386 in.(35.20 mm)Spring must not be bent more than ... .072 in.(1.83 mm)(2) Height to top of valve guide ... .875 in.(22.23 mm)(3) Diameter of valve stem (new) ... .3717 .0003 in.(9.441 0.008 mm) Use again minimum diameter ... .3704 in.(9.408 mm)Bore in valve guide with guide installed in the head (new) ... .3733 .0010 in.(9.482 0.025 mm)Maximum permissible bore (worn) ... .3771 in.(9.578 mm)(4) Valve lip thickness: 8N875 Exhaust ValveUse again minimum ... .106 in.(2.69 mm)7S8809 Intake ValveUse again minimum ... .106 in.(2.69 mm)(5) Diameter of valve head: Exhaust valve ... 1.896 .005 in.(48.16 0.13 mm)Intake valve ... 2.020 .005 in.(51.31 0.13 mm)(6) Angle of valve face ... 291/4° (7) Depth of bore in head for valve seat insert: Exhaust (5S7221) ... .449 .005 in.(11.40 0.13 mm)Intake Earlier (5S7218) ... .449 .005 in.(11.40 0.13 mm)Later (7N4448) ... .349 .005 in.(8.86 0.13 mm)(8) Diameter of valve seat insert: Exhaust (5S7221) ... 2.0035 .0005 in.(50.889 0.013 mm)Intake Earlier (5S7218) ... 2.1285 .0005 in.(54.064 0.013 mm)Later (7N4448) ... 2.0485 .0005 in.(52.032 0.013 mm)Bore in head for valve seat insert:Exhaust (5S7221) ... 2.0005 .0005 in.(50.813 0.013 mm)Intake Earlier (5S7218) ... 2.1255 .0005 in.(53.988 0.013 mm)Later (7N4448) ... 2.0457 .0005 in.(51.961 0.013 mm)(9) Angle of face of valve seat insert ... 30°(10) Maximum permissible width of valve seat (intake and exhaust) ... .076 in.(1.93 mm) Minimum permissible width of valve seat (intake and exhaust) ... .045 in.(1.14 mm)(11) Dimension from top of closed valve to face of head: Maximum permissible dimension for 8N875 Exhaust Valve ... .163 in.(4.14 mm)Minimum permissible dimension for 8N875 Exhaust Valve ... .079 in.(2.01 mm)Maximum permissible dimension for 7S8809 Intake Valve ... .140 in.(3.56 mm)Minimum permissible dimension for 7S8809 Intake Valve ... .066 in.(1.68 mm)(12) Outside diameter of the face of the valve seat or valve seat insert: Exhaust seat ... 1.810 in.(45.97 mm)Maximum permissible exhaust seat ... 1.860 in.(47.24 mm)Intake seat ... 1.934 in.(49.12 mm)Maximum permissible, intake seat ... 1.984 in.(50.39 mm)(13) Angle to grind seat face of the insert to get a reduction of maximum seat diameter ... 15°