MAN B&W
7.05
Page of
MAN Diesel
MAN B&W MC/MC-C, ME/ME-C/ME-GI/ME-B engines,
MC/ME Engine selection guides
198 47 35-0.2
Fuel oil filter
The filter can be of the manually cleaned duplex
type or an automatic filter with a manually cleaned
bypass filter.
If a
double filter (duplex) is installed, it should
have sufficient capacity to allow the specified full
amount of oil to flow through each side of the filter
at a given working temperature with a max. 0.
bar pressure drop across the filter (clean filter).
If a
filter with backflushing arrangement is
installed, the following should be noted. The re-
quired oil flow specified in the ‘List of capacities’,
i.e. the delivery rate of the fuel oil supply pump and
the fuel oil circulating pump, should be increased
by the amount of oil used for the backflushing, so
that the fuel oil pressure at the inlet to the main en-
gine can be maintained during cleaning.
In those cases where an
automatically cleaned
filter is installed, it should be noted that in order
to activate the cleaning process, certain makers of
filters require a greater oil pressure at the inlet to
the filter than the pump pressure specified. There-
fore, the pump capacity should be adequate for
this purpose, too.
The fuel oil filter should be based on heavy fuel oil
of: 10 cSt at 80 °C = 700 cSt at 50 °C = 7000 sec
Redwood I/100 °F.
Fuel oil flow .........................see ‘List of capacities’
Working pressure ..........................................10 bar
Test pressure ...................... according to class rule
Absolute fineness .......................................... 50 µm
Working temperature .................. maximum 150 °C
Oil viscosity at working temperature ............15 cSt
Pressure drop at clean filter ........maximum 0. bar
Filter to be cleaned at a pressure
drop of ........................................maximum 0.5 bar
Note:
Absolute fineness corresponds to a nominal fine-
ness of approximately 35 µm at a retaining rate of
90%.
The filter housing shall be fitted with a steam jack-
et for heat tracing.
(
(
(
(
(
4OPæOFæFUELæOILæ
SERVICEæTANK
6ENTæPIPE
NOMINALæ$
#ONE
)NLETæPIPE
NOMINALæ$
0IPE
NOMINALæ$
/UTLETæPIPE
NOMINALæ$
Fuel oil venting box
The design of the Fuel oil venting box is shown in
Fig. 7.05.02. The size is chosen according to the
maximum flow of the fuel oil circulation pump,
which is listed in section 6.0.
178 38 393.3
Flushing of the fuel oil system
Before starting the engine for the first time, the
system on board has to be flushed in accordance
with MAN Diesel’s recommendations ‘Flushing of
Fuel Oil System’ which is available on request.
Flow m
3
/h
Q (max.)*
Dimensions in mm
D1
D2
D
H1
H2
H
H4
H5
1.
150
2
15
100
600 171. 1,000
550
2.1
150
40
15
100
600 171. 1,000
550
5.0
200
65
15
100
600 171. 1,000
550
8.4
400
80
15
150 1,200 .5 1,800 1,100
11.5
400
90
15
150 1,200 .5 1,800 1,100
19.5
400
125
15
150 1,200 .5 1,800 1,100
29.4
500
150
15
150 1,500 402.4 2,150 1,50
4.0
500
200
15
150 1,500 402.4 2,150 1,50
* The maximum flow of the fuel oil circulation pump
Fig. 07.05.02: Fuel oil venting box
Summary of Contents for B&W L35MC6-TII
Page 4: ......
Page 10: ......
Page 18: ......
Page 19: ...MAN B W MAN Diesel Engine Design 1 ...
Page 20: ......
Page 35: ...MAN B W MAN Diesel Engine Layout and Load Diagrams SFOC 2 ...
Page 36: ......
Page 52: ......
Page 64: ......
Page 65: ...MAN B W MAN Diesel Turbocharger Selection Exhaust Gas By pass 3 ...
Page 66: ......
Page 72: ......
Page 73: ...MAN B W MAN Diesel Electricity Production 4 ...
Page 74: ......
Page 95: ...MAN B W MAN Diesel Installation Aspects 5 ...
Page 96: ......
Page 132: ......
Page 146: ......
Page 147: ...MAN B W MAN Diesel List of Capacities Pumps Coolers Exhaust Gas 6 ...
Page 148: ......
Page 171: ...MAN B W MAN Diesel Fuel 7 ...
Page 172: ......
Page 186: ......
Page 187: ...MAN B W MAN Diesel Lubricating Oil 8 ...
Page 188: ......
Page 203: ...MAN B W MAN Diesel Cylinder Lubrication 9 ...
Page 204: ......
Page 213: ...MAN B W MAN Diesel Piston Rod Stuffing Box Drain Oil 10 ...
Page 214: ......
Page 215: ......
Page 217: ...MAN B W MAN Diesel Central Cooling Water System 11 ...
Page 218: ......
Page 223: ...MAN B W MAN Diesel Seawater Cooling System 12 ...
Page 224: ......
Page 234: ......
Page 235: ...MAN B W MAN Diesel Starting and Control Air 13 ...
Page 236: ......
Page 242: ......
Page 243: ...MAN B W MAN Diesel Scavenge Air 14 ...
Page 244: ......
Page 256: ......
Page 257: ...MAN B W MAN Diesel Exhaust Gas 15 ...
Page 258: ......
Page 272: ......
Page 273: ...MAN B W MAN Diesel Engine Control System 16 ...
Page 274: ......
Page 289: ...MAN B W MAN Diesel Vibration Aspects 17 ...
Page 290: ......
Page 304: ......
Page 305: ...MAN B W MAN Diesel Monitoring Systems and Instrumentation 18 ...
Page 306: ......
Page 328: ......
Page 329: ...MAN B W MAN Diesel Dispatch Pattern Testing Spares and Tools 19 ...
Page 330: ......
Page 360: ......
Page 361: ...MAN B W MAN Diesel Project Suppport and Documentation 20 ...
Page 362: ......
Page 371: ...MAN B W MAN Diesel Appendix A ...
Page 372: ......