Mercury 1.7 MI, Manual

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MAINTENANCE SECTION 5
Page 84 CMD-3967823 / 90-865237030 OCTOBER 2003
CE551
Cleaning The Seawater Strainer, If Equipped
1. Visually inspect seawater strainer through glass top.
CAUTION
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.
CAUTION
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 leaking.
7. Reinstall strainer, drain plug, and washer.
8. Reattach cover with screws and washers.
9. After starting engine, check for leaks and air in system, which would indicate an external
leak.
78157
a
b
c
d
e
f
Typical
a - Screw and washer
b - Cover, with glass
c - Strainer
d - Housing
e - Drain plug and sealing washer gasket
f - Gasket
INDEX