Sea Strainer; Removal - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SEAWATER COOLED MODELS

Sea Strainer

Refer to manufacturer's instructions for information on removal and installation of
other than Quicksilver Sea Strainer

Removal

If boat is in water while working on seawater strainer, close seacock, if so equipped.
If boat is not equipped with a seacock, remove and plug seawater inlet hose to pre-
vent a siphoning action that may occur, allowing seawater to flow from the drain
holes or removed hoses and enter boat.
IMPORTANT: Be certain engine is off and cooling system is cold.
1. Follow "a" or "b" instructions:
a. Models Equipped with Seacock:
b. Models without Seacock:
Index
Page 6A-8
Downloaded from https://needmanual.com/
(1.) Close seacock (seawater inlet valve).
(2.) Disconnect seawater inlet hose from seawater strainer.
a - Seawater Inlet Hose
b - Seawater Strainer
(1.) Disconnect seawater inlet hose from seawater strainer inlet and plug seawater
inlet hose.
b
a - Seawater Inlet Hose
b - Seawater Strainer
c - Seawater Strainer Inlet
d - Plug
NOTICE
CAUTION
b
d
c
SERVICE MANUAL NUMBER 23
a
72691
a
70062
90-861326--1 MARCH 1999