
Section 5 - Maintenance
Page 88
90-8M0057081
eng
MARCH 2011
Sterndrive Corrosion Protection Components
To help control the effects of galvanic corrosion, Cummins MerCruiser 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
90‑88181301.
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
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
NOTICE
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.
a
c
d
e
b
35214
f
f
a
a
c
c
d
d
e
e
b
b
35213