Sterndrive Corrosion Protection Components - Mercury Sterndrive QSD 2.0 Manual

Sterndrive Corrosion Protection Components

To help control the effects of galvanic corrosion, Mercury Diesel sterndrives come with several sacrificial anodes and other
corrosion protection devices. For a more comprehensive explanation of corrosion and corrosion protection, refer to the Marine
Corrosion Protection Guide.
a
b
Washing the MerCathode assembly can damage components and lead to rapid corrosion. Do not use any cleaning
equipment such as brushes or high‑pressure washers to clean the MerCathode assembly.
90-8M0069751 APRIL 2012
eng
f
a
b
c
f
a
b
c
e
c
d
Typical single sterndrive
a - MerCathode System, if equipped
b - Ventilation plate anode
c - Trim cylinder anodes
d - Bearing carrier anodes
e - Gearcase anodic plate
f - Anode kit on lower hull
e
d
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Dual sterndrive
a - MerCathode System, if equipped
b - Ventilation plate anode
c - Trim cylinder anodes
d - Bearing carrier anodes
e - Gearcase anodic plate
f - Anode kit on lower hull
e
d
35213
NOTICE
Section 5 - Maintenance
Page 85