Cleaning And Inspection; Installation - Mercury 92‑813054A2 Manual

4. Remove the anode assembly (anode plug, sealing washer, and the sacrificial anode) from the aftercooler end cover.

Cleaning and Inspection

NOTE: Using sandpaper, fiber brush, or cleaning pad, remove the deposits from the surface of the anode before trying to
determine the amount of erosion. Do not use a mild 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.
a
Sacrificial anode measurements (new)
Length
Diameter
3. Discard the sealing washer.

Installation

1. Install a new sealing washer on the anode assembly (anode plug with the sacrificial anode).
a
b
90-8M0069748 APRIL 2012
eng
e
b
d
c
a - Anode assembly
b - Sealing washer
19227
a - Sacrificial anode
25583
Anode assembly
a - Anode plug
b - Sacrificial anode
c - Length
d - Diameter
e - Sealing washer
19226
Section 5 - Maintenance
19 mm ( 3/4 in.)
16 mm ( 5/8 in.)
Page 69