Seawater Strainer - Mercury MerCruiser D2.8L D-Tronic Service Manual

SERVICE MANUAL NUMBER 22

Seawater Strainer

1. Visually inspect seawater strainer through glass top.
When cleaning seawater strainer, close seacock, if equipped. If boat is not equipped
with a seacock, remove and plug seawater inlet hose to prevent a siphoning action
that may occur, allowing seawater to flow from the drain holes or removed hoses.
Do NOT overtighten cover screws or cover will warp and leak.
2. With engine off, close seacock (if equipped) or remove and plug seawater inlet hose if
no seacock exists.
3. Remove screws, washers, and cover.
4. Remove strainer, drain plug and washer.
5. Clean all debris from strainer housing; flush both strainer and housing with clean water.
6. Check gasket and replace when necessary (if it leaks).
7. Reinstall strainer, drain plug and washer.
8. Reattach cover with screws and washers.
9. After starting engine, check for leaks and/or air in system, which would indicate an
external leak.
90-860074--1 FEBRUARY 2002
a - Screws and Washers
b - Cover, with glass
c - Strainer
d - Housing
e - Drain Plug and Sealing Washer Gasket
CAUTION
CAUTION
a
b
f
c
d
MAINTENANCE
e
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