Yanmar 4LHA-DTP, Operation Manual

Page: 476 / 670

Chapter 1 General
6. Piping Diagrams
*4LHA Series
11. Service Data
• 4LHA-STE/STZE/STP/STZP
Ajustmen
t o
f injectio
n quantit
y
Rack position
(mm)
Pump speed
(rpm)
Calibration data
(Manufacturer STD)
Remarks
Ajustmen
t o
f injectio
n quantit
y
Rack position
(mm)
Pump speed
(rpm)
Average inject,
qty. (mm7st)
Max. variation
between cyls. (%)
Remarks
Ajustmen
t o
f injectio
n quantit
y
©
(0)
200
120±30 BCS cancel
Ajustmen
t o
f injectio
n quantit
y
(D
(2.0). 600 63±3.5 BCS works
Ajustmen
t o
f injectio
n quantit
y
(D
(-2) 1000 135±3 Inverted angleich
Ajustmen
t o
f injectio
n quantit
y
©
- 2 . 5 ± 0 . 2
1650 130±2
±3
Max. (fuel stop) rating
Ajustmen
t o
f injectio
n quantit
y
(4.1)
375 9 ± 3
±1.5
Low idle
Ajustmen
t o
f injectio
n quantit
y
®
(5.4)
1850 8~15 Max. idle Ajustmen
t o
f injectio
n quantit
y
®
(2.4)
1300 (Expected 13.5) Measuring point
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Nozzle, nozzle holder assy.
D19175-53200(CL)
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Nozzle
5 - ^ 0 . 3 5 (YDLLA140P355KO)
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Nozzle holder For 4LHA-STE
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Nozzle opening press. 270~280kgf/cm
2
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Transfer pump press.
4.6kgf/cm
2
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Injection pipe
?
5 6.35X^2X475mm
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Test fuel oil Diesel fuel oil JIS No.2
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Fuel temp 40°C
• Direction of rotation : Clockwise (viewed from driving side)
• Injection order: 1-3-4-2-1 (Not from driving side)
> 4LHA-DTE/DTZE/DTP/DTZP
Ajustmen
t of
injectio
n quantit
y
Rack position
(mm)
Pump speed
(rpm)
Calibration data
(Manufacturer STD)
Ajustmen
t of
injectio
n quantit
y
Rack position
(mm)
Pump speed
(rpm)
Average inject,
qty. (mmVst)
Max. variation
between cyls. (%)
Remarks
Ajustmen
t of
injectio
n quantit
y
©
(0)
200 120±30 BCS cancel
Ajustmen
t of
injectio
n quantit
y
©
(2.0) 600 77±3.5 BCS works
Ajustmen
t of
injectio
n quantit
y
©
(0)
1000
115±3
Inverted angleich
Ajustmen
t of
injectio
n quantit
y
©
—1.0±0.2
1650 108±2
±3
Max. (fuel stop) rating
Ajustmen
t of
injectio
n quantit
y
©
(5.0) 375 9 ± 3
±15
Low idle
Ajustmen
t of
injectio
n quantit
y
®
(6.0) 1850 8~15 Max. idle
Ajustmen
t of
injectio
n quantit
y
®
(-0.5) 1300 (Expected 115) Measuring point
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Nozzle, nozzle holder assy. Dl 9173-53200
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Nozzle 5-0.32 (YDLLA140 P325KO)
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Nozzle holder
ForTN100
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Nozle opening press. 240~250kgf/cm
2
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Transfer pump press. 4.6kgf/cm
2
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Injection pipe
^ 6 . 3 5 X ^ 2 X 4 7 5 m m
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Test fuel oil
Diesel fuel oil JIS No.2
Tes
t condition
s fo
r
adjustmen
t inj
. pum
p
Fuel temp. 40°C
• Direction of rotation : Clockwise (viewed from driving side)
• Injection order: 1-3-4-2-1 (Not from driving side)
- 4
E - 2
E
0
2
4
6
8
10
12
CO
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CL
o
<
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iress 0.2Mpa (2kgf/cm
2
) or mor
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WC
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5 £
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8 UJ
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co
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a.
cr
BOOST-PRESS, (kgf/cm
2
)
2 4 6 8 10 12 14 16 18
PUMP SPEED X 10
2
(rpm)
20
-6
-4
E -2
E.
Z
0
O
i— 2
4
6
8
10
12
CO
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a.
o
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DC
-4
-2
0
o
-4
-2
0
o
-4
-2
0
o
-4
-2
0
o
0 f
(0.15)
0.4 0 . 8 \
0.2
1.2
\ (0.85)
BOOST-PRESS, (kgf/cm
2
)
2 4 6 8 10 12 14 16 18 20
PUMP SPEED X 10
2
(rpm)
3-2-54