Corrosion protection, checking and
changing
Check the sacrificial anode (1) on the stern drive and
the three sacrificial anodes (2) on the propeller
regularly. Replace with new anodes when
approximately 1/3 of an anode has corroded away.
When the boat is stored ashore, corrosion protection
deteriorates due to oxidization of sacrificial anodes in
contact with air. Even new anodes may have surface
oxidation. Before launching the sacrificial anodes must
be cleaned with emery cloth.
IMPORTANT:
Use emery paper. Do not use a wire brush or other steel
tools when cleaning, as these may damage the galvanic
protection.
•
Zinc in salt water.
•
Magnesium in freshwater.
•
Aluminum when the boat is used primarily in salt
water and sometimes in brackish water
Remedy any damaged stern drive paintwork according
to the instructions in the Storage, page 78 section.
Replacing sacrificial anodes
1 Remove the sacrificial anodes and thoroughly
scrape clean the contact surfaces on the drive and
propellers.
2 Apply thread locking fluid to the bolts to the
propeller sacrificial anodes.
3 Install the new sacrificial anodes and fasten them
to ensure good metallic contact.
Rubber Bellow
Check the rubber seal between the drive and the hull
regularly for cracks and wear.
IMPORTANT:
The seal must be changed every seven years or earlier
if it is defective. This work should be carried out by an
authorized workshop.
Maintenance
72 47711262 01-2019 © AB VOLVO PENTA
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