Installation - Mercury 4.2 Diesel Operation & Maintenance Manual

Section 4 - Maintenance
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
2. Install the anode assembly and washer into the aftercooler end cover. Tighten securely.
b
3. Install the anode assembly and washer into the aft end of the fluid cooler. Tighten securely.
a
4. Unplug and connect the seawater inlet hose, or open the seacock if equipped.
Page 62
a - Anode assembly
b - Sealing washer
19227
a
23266
b
19 mm ( 3/4 in.)
16 mm ( 5/8 in.)
a - Aftercooler end cover
b - Anode assembly
23710
90-8M0113988
Typical engine
a - Anode assembly
b - Fluid cooler
DECEMBER 2015
eng