Information injection-pump assembly
ZEXEL
101695-3841
1016953841

Rating:
Cross reference number
ZEXEL
101695-3841
1016953841
Zexel num
Bosch num
Firm num
Name
101695-3841
INJECTION-PUMP ASSEMBLY
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
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
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
9.7
Pump speed
r/min
1000
1000
1000
Average injection quantity
mm3/st.
37.6
36.6
38.6
Max. variation between cylinders
%
0
-2.5
2.5
Basic
*
Fixing the lever
*
Injection quantity adjustment_02
Adjusting point
-
Rack position
8.9+-0.5
Pump speed
r/min
425
425
425
Average injection quantity
mm3/st.
8
7
9
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)RACK CAP: R1
(4)Rack difference between N = N1 and N = N2
----------
K=18 R1=(17.5)mm N1=1000r/min N2=450r/min
----------
----------
K=18 R1=(17.5)mm N1=1000r/min N2=450r/min
----------
Speed control lever angle

F:Full speed
I:Idle
----------
----------
a=18deg+-5deg b=29deg+-5deg
----------
----------
a=18deg+-5deg b=29deg+-5deg
Stop lever angle

N:Pump normal
S:Stop the pump.
(1)At hole above left hand side R = aa
(2)At delivery
----------
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)Position of key groove at No 1 cylinder's beginning of injection
(3)Stamp aligning marks on the pump housing flange.
(4)-
----------
----------
a=59deg36min+-3deg b=0deg24min+-30min
----------
----------
a=59deg36min+-3deg b=0deg24min+-30min
Information:
(1) Thickness of spacer plate ... 8.585 0.025 mm (.3379 .0009 in)Thickness of gasket that is placed between spacer plate and cylinder block ... 0.208 0.025 mm (.0081 .0009)Height of liner over spacer plate, under installation pressure ... 0.13 0.08 mm (.005 .003 in)(2) Height of four dowels above top surface of cylinder block:End dowels (Put 7M7456 Bearing Mount Compound on two end dowels at installation) ... 18.5 0.5 mm (.73 .02 in)Middle dowels ... 16.0 0.5 mm (.63 .02 in)(3)
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Komatsu
Komatsu
Komatsu
101695-3841
INJECTION-PUMP ASSEMBLY