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Maintenance
General Maintenance
• Periodically, check electrical
connections behind switch.
• Cold temperatures do not affect the
trim tab system. No winterization is
necessary.
• Note for saltwater only
applications: To deter electrolysis,
a zinc anode should be attached to
the top of each trim tab. Zinc must
make direct contact with stainless
steel. Do not paint zinc. Do not
ground trim tabs to other
underwater appendages.
• Paint trim tabs to discourage
marine growth:
» Clean surface of all grease,
oil, dirt.
» Apply two coats of epoxy
metal primer.
» Apply two coats of
anti-fouling paint. The
actuator, including the piston,
may be painted.
32
• Unpainted trim tabs may acquire
an orange discoloration. This
oxidation of surface carbon
molecules is normal. The integrity
of the stainless steel is not affected.
Orange coating can be cleaned off,
but may eventually return. Note:
This discoloration should not be
confused with the pitting and
corrosion of electrolysis.
Safety Precautions
• Take immediate action to correct
any malfunction or failure of your
trim tabs.
• Occasionally, check for loose or
corroded wiring connections.
• Stepping on the trim tab may cause
damage to the unit, or injury.
• Leaving the actuator extended
when the boat is not in use will not
cause seal damage.
• Refer to safety trim tab
precautions on page 9
Bennett Marine | Bolt Electric Trim Tab System
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