Trim Cylinder Corroding; Only One Or Two Components Corroding; Corrosion In The Exhaust Outlet Area; Aluminium Corroding In Lubricated Areas - Mercury BRAVO Service Manual

CORROSION PROTECTION - ALL MODELS

TRIM CYLINDER CORRODING

Continuity lost between trim cylinder
and drive unit.

ONLY ONE OR TWO COMPONENTS CORRODING

Continuity lost between drive unit and
components.

CORROSION IN THE EXHAUST OUTLET AREA

Exhaust gas deposits accumulating
on the drive exterior can result in paint
blistering and corrosion.
CORROSION OCCURS AFTER THE UNIT IS REMOVED FROM THE WATER
Salt crystals remaining on the surface
of the drive components combine with
high humidity to cause electrolyte
formation, resulting in corrosion.
CORROSION BETWEEN SURFACES
Salt buildup between surfaces.
ALUMINUM CORRODING IN LUBRICATED AREAS
Graphite in the lubricant.
Page 7A-22
Cause
Cause
Cause
Cause
Cause
Cause
SERVICE MANUAL NUMBER 28
Special Instructions
Install proper continuity devices.
Special Instructions
If not already done, install Continuity
Circuit Kit 99940A1.
Special Instructions
Remove deposits with marine or
automotive wax.
Special Instructions
Wash drive exterior and flush drive interior
with fresh water.
Special Instructions
Protect mating parts with Quicksilver
Special Lubricant 101 (92-13872A1),
Quicksilver 2-4-C Marine Lubricant
(92-825407A2) or Perfect Seal
(92-34227-1).
Special Instructions
Never use lubricants containing
graphite because they accelerate
corrosion. Use specially formulated
Quicksilver marine lubricants.
90-863160 MAY 2000