11 - AUXILIARY EQUIPMENT ON BOARD333
Periodical check
This operation must be carried out with yacht on dry shore or with the help
of a diver.
Have the outer condition of the sacricial anodes checked and have them
replaced if they show evident signs of corrosion or if their volume is reduced
to about 50%.
WARNING
To clean and check the yacht in water: disable the engines and genera-
tors start.
CAUTION
Check the anodes’ wear conditions very frequently (when the yacht is on
a dry shore or with the help of a diver) and replace them as soon as wear
exceeds 50%.
CAUTION
Failure to replace the anodes causes corrosion on other metal parts.
Assembly/Disassembly
The sacricial anodes are fastened to the yacht in several positions of the
hull. We advise you to clean the seat of the sacricial anode and cover with
silicon the screws ends which fasten the anodes. This will easy the replace-
ment of the anodes when worn out. We advise not to tighten the nuts fasten-
ing the anodes with glues or other materials which will hinder their removal.
CAUTION
Do not cover the contact surface between anode and hull with silicone.
11.10.1 Maintenanceofsacricialanodes
Component Maintenance Notes and precautions
Sacricial anodes Periodical check (as necessary,
according to the oating area)
Assembly/disassembly
Metallic parts are protected against galvanic corrosion (caused by electrolytic currents due
to the approach of different metallic bodies as steel or aluminium) by means of sacricial
anodes tted on bottom hull, on stabilizer, on propeller shaft, etc.. The anodes’ wear may
depend on environmental factors as nearby chains, hulls or metallic shores, bad insulation
of ground electric systems.
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