General arrangement and planning
30
5. Cooling system
Determine the type of cooling system. Chose where
to place seawater intakes and seawater filters. Plan
the routing of hoses.
6. Exhaust system
Determine the type of exhaust system, wet or dry.
Plan the installation of the exhaust line components,
such as silencer and hoses.
7. Electrical system
Plan the routing of cabling and check the length of
instrument cable harnesses. Decide where to place
fuse boxes and main switches.
Avoid joints and cable connections where there is risk
of moisture or water. Do not make any joints or con-
nections behind fixed bulkheads or similar which are
difficult to reach after finishing the boat.
8. Electrochemical corrosion
The potential problem of galvanic and stray current
corrosion must be considered when planning electri-
cal installation and choosing the equipment to be
used. Plan for protected anodes.
9. Air supply, ventilation and soundproofing
Carefully study sizes of sufficient duct area and pay
attention to optimise the design of air inlet.
Plan the routing of the ducts (hoses) for the engine’s
air consumption and ventilation so that they do not
impede installation of the batteries, fuel tanks, etc.
Sound insulation in the engine room is of great im-
portance to keep the sound level as low as possible.
Sufficient space for soundproofing material must also
be planned for. A condition for good sound insulation
is a sealed engine room with ducts as the only open-
ings.
10. Controls and steering
Plan for the routing of control cables, steering sys-
tems, Dual station units (DS–units), etc. Allow acces-
sibility for servicing and replacement.
When using mechanical control cables it is of great
importance to route the cables with as few bends as
possible to achieve smooth handling.
11. Power take-off
In order to operate miscellaneous small auxiliary
apparatus, power take-offs can be fitted from an ad-
ditional pulley or on the drive gear casing.
If greater outputs are needed, a mechanical power
take-off can be fitted on the front end of the crank-
shaft.
The outputs permitted from the power take-offs are
described in the sales literature.
Summary of Contents for D11 series
Page 1: ...Marine Propulsion Diesel Engines Installation 1 1 D E D5 D16 series ...
Page 2: ......
Page 208: ...206 References to Service Bulletins Group No Date Concerns ...
Page 209: ...207 Notes ...
Page 210: ...208 Notes ...
Page 212: ...7748655 English 11 2007 ...