2002-2008 Four Winns Vista 378 Boat Owners Manual

surface pitting or deterioration. Stray current corrosion is
the decomposition of chemical compounds by electric
Avoid contact with skin, eyes, or clothing. Wear
goggles, rubber  gloves and protective  apron
when working with  batteries.  In case of  skin
contact, flush with water at least 15 minutes. If
swallowed, drink  large quantities of  water or
milk. Follow with Milk of Magnesia, beaten egg
or vegetable oil. Get medical attention immedi-
Stray current corrosion can be caused by surrounding
boats incloseproximitywhichhaveelectricalpowerleak-
ages or an improperly wired battery/charger installation.
Periodically inspect the engine components and sacrifi-
cial anodes to determine if corrosion damage exists.  If
stray current corrosion damage is found, determine and
correct the cause of the stray current to prevent further
damage. Consult an experienced marine electrician or
contact your Four Winns dealer for assistance.
Disconnect the battery before working on elec-
trical or  ignition system  to prevent  electrical
shock and accidental ignition.
boat is in the water and the battery is connected to the
electrical system,  can cause  stray current corrosion.
Have an experienced marine electrician review any bat-
tery charger installation to ensure a stray current corro-
sionproblemwillnotdevelop.   Animproperbatterycharger
connection is a common cause of stray current  corro-
B.   Electrical Wiring Maintenance
ment, improper support, etc. Examine the shore power
cord closely for  insulation cracks and corrosion  in the
electrical devices. Spraying the receptacles and electri-
cal connections with an electrical connection cleaner will
reduce corrosion and improve electrical continuity.
Use only a  battery charger designed to meet
U.S. Coast Guard regulations for external igni-
tion protection.
Corrosion is usually more prevalent  in polluted or salt
water than in clean water. It is also more likely to occur
when dockage is in an area with steel piers, large metal
boats, or where shore power is in use.
DO NOT allow corrosion to build up on connec-
tions.  Shorts or ground faults can result.
The entire 120 (220) volt circuitry, especially the shore
power cord, should be seasonally tested for proper conti-
nuity by an experienced marine electrician. This will help
detect any short, open wire, or ground fault. Also, check
the polarity indicator system for proper operation.
B.   Galvanic Corrosion
Galvanic corrosion results from a potential electrical dif-
ference existing between dissimilar metals immersed in
a conductive solution (e.g., salt  or brackish water).  If
these metals  touch or are  otherwise electrically  con-
between them.  The attack on the more active metal is
usually increased and the attack on the less active metal
is decreased, as compared to  when these metals are
not touching.
ous.  DO NOT attempt to service a system un-
less you are qualified with, and experienced in,
H - 9
A.   General
Electrically induced underwater corrosion occasionally
affects boats and their related components. This is re-
Vista™ Owner’s  Manual
Section H
Product Specification
CategoriesFour Winns Manuals, Four Winns Vista Manuals, Outboard Marine Corporation Manuals
Model Year2002, 2003, 2004, 2005, 2006, 2007, 2008
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- 197 pages
Document TypeOwner's Manual
Product BrandBoats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx
Document File TypePDF
Wikipedia's PageOutboard Marine Corporation
CopyrightAttribution Non-commercial
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2002-2008 Four Winns Vista 378 Boat Owners Manual SKU UPC Model
shaun on Jul 07, 2014. s

great very informative. should not have to fill this out for a manule though

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