85
CD804
1
A
B
71368
1
1
77304
77122
71367
1
77334
1
CD805
Corrosion And Corrosion Protection
INTERNAL COMPONENTS
1 There are anodes as part of the intercooler and heat exchanger systems, which serve as sacrificial anodes.
These sacrificial anodes are installed in the seawater circuit to help avoid electrolytic corrosion caused by
seawater. There is one on the front and rear side of the heat exchanger and two on the intercooler.
Inspection and replacement interval will vary depending on the condition of seawater and mode of engine
operation.
2 Replace when eroded more than 50%. Check at least once yearly.
NOTE: Remove deposits from surface of anode before trying to determine amount of erosion.
A Length When New - 32 mm (1-1/4 in.)
B Diameter When New -15 mm (5/8 in.)
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