MAINTENANCE
SECTION 5
Page 82 CMD-3967823 / 90-865237030 OCTOBER 2003
INSPECTION
Inspection and replacement interval will vary depending on the condition of seawater and
mode of engine operation.
NOTE: Remove deposits from surface of anode before trying to determine amount of
erosion.
1. Replace anode assembly when deteriorated 50%.
• Length When New - 32 mm (1-1/4 in.)
• Diameter When New - 15 mm (5/8 in.)
2. Discard sealing washer.
c
d
e
b
a
71368
a-Anode plug
b-Sacrificial anode
c-Length
d-Diameter
e-Sealing washer
REPAIR
NOTE: Sacrificial anodes are available as an assembly. Replace both the plug and anode,
if so desired.
1. Unscrew sacrificial anode from anode plug by holding plug hex head and turning anode.
71367
a
b
a-Plug
b-Anode
2. Clean interior threads of anode plug.
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