Section 4 - Maintenance
Page 54 90-8M0113986 eng DECEMBER 2015
4. Remove the anode assembly (anode plug, sealing washer, and the sacrificial anode) from the aftercooler end cover.
Seawater system anode assembly location
Cleaning and Inspection
NOTE: Use sandpaper, fiber brush, or a cleaning pad to remove the deposits from the surface of the anode before trying to
determine the amount of erosion. Do not use a steel brush which might leave deposits that could accelerate corrosion.
1. Remove the deposits.
2. Inspect and measure the anode. Compare the measurements to the specifications for a new sacrificial anode and replace
the anode assembly when deteriorated 50%.
NOTE: Sacrificial anodes are available only as an assembly. Replace both the plug and anode as a unit.
Anode assembly
a - Anode plug
b - Sacrificial anode
c - Length
d - Diameter
e - Sealing washer
Sacrificial anode measurements (new)
Length 19 mm (3/4 in.)
Diameter 16 mm (5/8 in.)
3. Discard the sealing washer.
19226
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