Sacrificial Anodes
Sacrificial anodes are attached near the upper edge of
the heat exchanger.
Anodes are slowly eroded away by galvanic action and
require inspection. Additionally, anodes that are sub-
jected to frequent wetting and drying require periodic
scraping with sandpaper to remove scale and oxida-
tion to maintain their effectiveness. Do not paint ano-
des, as this will destroy their effectiveness.
When you need to purchase new anodes, see your
Volvo Penta dealer. The material composition of Volvo
Penta anodes meets U.S. Military Specification
18001-H. Some after-market anodes may not meet
mil-specs.
Inspecting Heat Exchanger Anodes
Engines with closed cooling systems have anodes
located at the top of the heat exchanger. This anode
C
resembles a bolt and may be removed and replaced
using a 3/4 inch (19mm) wrench. When installing,
tighten the anode all the way by hand, then turn an
additional quarter turn using a wrench.
Engine Alignment
Because of the special tools required, a Volvo Penta
dealer must do the engine alignment. This should be
done during off-season storage preparations.
NOTICE!
Failure to periodically check engine align-
ment may result in premature failure of the engine cou-
pler.
51427
Maintenance
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Summary of Contents for 3.0GLP-J
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