Silverton 43SB, Руководство пользователя

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SYSTEM OPERATIONS-9
The anodes on the rudder, shaft, and trim
tabs are installed by your Silverton Dealer.
The purpose of these sacri
fi cial zinc an-
odes is to attract any destructive electrical
currents away from the metallic underwa-
ter components, thereby preventing their
eventual corrosion and allowing the cor-
rosion of the sacri
fi cial zinc anodes. The
sacri fi cial zinc anodes are considerably
easier and cheaper to replace and their
deterioration will not affect the perfor-
mance of your yacht, as would the deterio-
ration of a propeller or rudder.
The Bonding System is a network of wires
(color-coded green) that are connected to
all metallic underwater components within
the interior of the hull, which makes them
one (1) unit for electrical current purposes.
This network of wires is then attached to
the sacri
fi cial zinc anode located on the
transom; which allows corrosion of the
anode but prevents corrosion of the un-
derwater components.
General maintenance of the Bonding
System consists of yearly replacement
of the sacri
fi cial zinc anode located on
the transom and all other zinc anodes
located on the propeller shafts, rudders,
etc., and should be completed during the
spring launch procedure. The anodes may
require more frequent replacement, de-
pending on your docking location and the
length of your boating season. If possible,
check the anodes for excessive corrosion
midway through your boating season. If
excessive corrosion is noted, have your
dealer or a competent technician replace
the sacri
fi cial zinc anodes. Periodically
check the continuity wiring connections to
make sure they are tight and free of cor-
rosion. Tighten and clean connections as
necessary.
BONDING SYSTEM
The purpose of the Bonding System is to
protect your yacht’s underwater compo-
nents from electrolysis and galvanic corro-
sion. Examples of underwater components
would be the propellers, propeller shafts,
rudders, engine/generator, and seawater
intake valves.
Electrolysis and galvanic corrosion occurs
primarily in salt water, but can occur to a
lesser degree in fresh water. Salt water
allows electric current to
fl ow from anodic
to cathodic material. Any two (2) metals
from two (2) components and their rela-
tive positions in the galvanic rating table
will determine which metal loses material
(anode) and which metal remains largely
undisturbed (cathode). The distance apart
on the galvanic table of the two (2) met-
als determines the rate of wear. To help
prevent corrosion, sacri
fi cial zinc anodes
are fi tted to the underwater components
of your yacht, such as the propeller shafts
and rudders.
A large sacri fi cial zinc anode plate is also
attached to the underwater area of the
transom.