Information injection-pump assembly
ZEXEL
106671-1650
1066711650
ISUZU
1156025980
1156025980

Rating:
Cross reference number
ZEXEL
106671-1650
1066711650
ISUZU
1156025980
1156025980
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
134424-1920
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
1-4-2-6-
3-5
Pre-stroke
mm
3.8
3.77
3.83
Beginning of injection position
Drive side NO.1
Drive side NO.1
Difference between angles 1
Cal 1-4 deg. 60 59.75 60.25
Cal 1-4 deg. 60 59.75 60.25
Difference between angles 2
Cyl.1-2 deg. 120 119.75 120.25
Cyl.1-2 deg. 120 119.75 120.25
Difference between angles 3
Cal 1-6 deg. 180 179.75 180.25
Cal 1-6 deg. 180 179.75 180.25
Difference between angles 4
Cal 1-3 deg. 240 239.75 240.25
Cal 1-3 deg. 240 239.75 240.25
Difference between angles 5
Cal 1-5 deg. 300 299.75 300.25
Cal 1-5 deg. 300 299.75 300.25
Injection quantity adjustment
Adjusting point
B
Rack position
9.3
Pump speed
r/min
600
600
600
Average injection quantity
mm3/st.
164.8
162.8
166.8
Max. variation between cylinders
%
0
-3
3
Basic
*
Fixing the lever
*
Injection quantity adjustment_02
Adjusting point
C
Rack position
5.5+-0.5
Pump speed
r/min
225
225
225
Average injection quantity
mm3/st.
10
6.8
13.2
Max. variation between cylinders
%
0
-13
13
Fixing the rack
*
Timer adjustment
Pump speed
r/min
675--
Advance angle
deg.
0
0
0
Remarks
Start
Start
Timer adjustment_02
Pump speed
r/min
625
Advance angle
deg.
0.5
Timer adjustment_03
Pump speed
r/min
1100
Advance angle
deg.
2.5
2
3
Remarks
Finish
Finish
Test data Ex:
Governor adjustment

N:Pump speed
R:Rack position (mm)
(1)Lever ratio: RT
(2)Target shim dimension: TH
(3)Excess fuel setting for starting: SXL
(4)Damper spring setting: DL
(5)Rack difference between N = N1 and N = N2
----------
RT=1 TH=2.6mm SXL=9.8+0.2mm DL=4-0.5mm N1=800r/min N2=600r/min
----------
----------
RT=1 TH=2.6mm SXL=9.8+0.2mm DL=4-0.5mm N1=800r/min N2=600r/min
----------
Speed control lever angle

F:Full speed
----------
----------
a=3deg+-5deg
----------
----------
a=3deg+-5deg
0000000901

F:Full load
I:Idle
(1)Use the hole at R = aa
(2)Stopper bolt setting
(3)Attach the return spring to the upper hole and adjust.
----------
aa=32mm
----------
a=29deg+-3deg b=30deg+-5deg
----------
aa=32mm
----------
a=29deg+-3deg b=30deg+-5deg
Stop lever angle

N:Pump normal
S:Stop the pump.
----------
----------
a=32deg+-5deg b=64deg+-5deg
----------
----------
a=32deg+-5deg b=64deg+-5deg
Timing setting

(1)Pump vertical direction
(2)Position of timer's threaded hole at No 1 cylinder's beginning of injection
(3)B.T.D.C.: aa
(4)-
----------
aa=18deg
----------
a=(70deg)
----------
aa=18deg
----------
a=(70deg)
Information:
(1) 7S7144 Spring for valves (new): Length under test force ... 44.86 mm (1.766 in)Test force ... 257 25 N (57.7 4.5 lb)Use again minimum load at length under test force ... 217 N (48.83 lb)Length of spring at valve open position ... 32.28 mm (1.271 in)Use again minimum load at valve open position ... 658 N (148.5 lb)Free length after test ... 52.07 mm (2.050 in)Outside diameter ... 35.21 mm (1.386 in)Spring must not be bent more than ... 1.82 mm (.072 in)(2) Height to top of valve guide ... 22.23 0.25 mm (.875 .010 in)(3) Diameter of valve stem (new) ... 9.441 0.008 mm (.3717 .0003 in) Use again minimum diameter ... 9.408 mm (.3704 in)Bore in valve guide with guide installed in the head.Minimum permissible (new) ... 9.456 mm (.3723 in)Maximum permissible (worn) ... 9.581 mm (.3772 in)(4) Valve lip thickness: 6N9916 Exhaust ValveUse again minimum ... 2.69 mm (.106 in)2W2620 Intake ValveUse again minium ... 2.69 mm (.106 in)(5) Diameter of valve head: Exhaust valve ... 48.16 0.13 mm (1.896 .005 in)Intake valve ... 51.31 0.13 mm (2.020 .005 in)(6) Angle of valve face ... 29 1/4 1/4° (7) Depth of bore in head for valve seat insert ... 12.28 0.13 mm (.483 .005 in)(8) Diameter of valve seat insert for exhaust valve ... 50.889 0.013 mm (2.0035 .0005 in) Bore in head for valve seat insert for exhaust valve ... 50.813 0.030 mm (2.0005 .0012 in)Diameter of valve seat insert for intake valve ... 52.032 0.013 mm (2.0485 .0005 in)Bore in head for valve seat insert for intake valve ... 51.956 0.030 mm (2.0455 .0012 in)(9) Angle of face of valve seat insert ... 30 1°(10) Maximum permissible width of valve seat (intake and exhaust) ... 1.93 mm (.076 in) Minimum permissible width of valve seat (intake and exhaust) ... 1.14 mm (.045 in)(11) Dimension from top of closed valve to face of head: Minimum permissible dimension for 6N9916 Exhaust Valve ... 0.66 mm (.026 in)Minimum permissible dimension for 2W2620 Intake Valve ... 0.15 mm (.006 in)(12) Outside diameter of the face of the valve seat insert: Exhaust seat ... 46.02 mm (1.812 in)Maximum permissible, exhaust seat ... 47.29 mm (1.862 in)Intake seat ... 49.28 mm (1.940 in)Maximum permissible, intake seat ... 50.55 mm (1.990 in)(13) Angle to grind seat face of the insert to get a reduction of maximum seat diameter ... 15°