O P E R A T I O N & M A I N T E N A N C E M A N U A L
14
No.
Name
Specification
YSD490D
Y490D
Y495D
Y4100D
1
Fuel
injection
pump
Type
BQ pump
Governor
All-speed,mechnical centrifugal
Fuel delivery
pump
Single-acting piston-type
2
Fuel
injector
model
S Series
Diameter of
nozzle hole
(
mm
)
Ø
0.255
Ø
0.27
Ø
0.29
Injection
pressure
(
Mpa
)
19.6
1
0
+
20
1
0
+
21
1
0
+
3
Lube
pump
Model
Rotor type
speed
(
r/min
)
1500
1500
capacity
(
L/min
)
37.5
53
Pressure
(
kpa
)
400
392
4
Water
pump
Model
Centrifugal, volute, single-suction
speed
(
r/min
)
4000
4000
capacity
(
L/min
)
270
230
5
Starting
motor
Type
Silicon rectifying shunt dynamo
Model
QDJ1329D
QDJ2925D
Voltage
(
V
)
12
24
power
(
KW
)
3.5
5
Model
JFWZ13
JFW24X
JFWZ13
JFWZ25
Voltage
(
V
)
14
28
14
28
Power
(
W
)
350
500
350
500
7
Fuel filter
Type
Single stage, paper element
Model
CXZ0708A
CX0708B
8
Lube oil
filter
Type
Single stage, paper element
Model
JX0810
JX0810K
JX0814D2