Inspection; Repair - Mercury 1.7 MI Manual

MAINTENANCE

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.

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.
2. Clean interior threads of anode plug.
Page 82
INDEX
a - Anode plug
b - Sacrificial anode
c - Length
d - Diameter
e - Sealing washer
b
a - Plug
Anode
b -
c
b
a
d
e
CMD-3967823 / 90-865237030 OCTOBER 2003
SECTION 5
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