85
CA241
Corrosion And Corrosion Protection
Whenever two or more dissimilar metals (like those found on the
stern drive) are submerged in a conductive solution, such as saltwa-
ter, polluted water, or water with a high mineral content, a chemical
reaction takes place causing electrical current to flow between met-
als. The electrical current flow causes the metal that is most chemi-
cally active, or anodic, to erode. This is known as galvanic corrosion
and, if not controlled, it will in time cause the need for replacement
of power package components exposed to water.
IMPORTANT: Replace sacrificial anodes if eroded 50% or more.
1
Universal Anodic Plate - serves as a sacrificial anode.
Remove plug from drive shaft housing to access attaching screw and
insert 1/2 inch socket. Unthread attaching screw and remove univer-
sal anodic plate. Do not remove screw. Install new anodic plate and
tighten screw securely. Install plug.
2
Anodic Plate - serves as a sacrificial anode. Unscrew both at-
taching screws and remove. Install a new anodic plate and tighten
securely.
3
MerCathode System (if so equipped) - Electrode assembly re-
places Anodic block.
System should be tested to ensure adequate output.
Test should be made where boat is moored, using Quicksilver Refer-
ence Electrode and Test Meter. Contact your Authorized MerCruiser
Dealer to arrange for this test.
4
Anode Kit (if so equipped) - Mounted to boat transom. Acts as
a sacrificial anode. Replace as required.
Содержание 350 Magnum EFI GEN+ Alfa One
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