Mercury 92‑813054A2 Manual page 71

4. Attach a temporary drain hose to the barbed fitting of the seawater drain valve.
Coolant oil cooler
a - Seawater drain valve
b - Oil filter housing
5. Open the seawater drain valve.
6. A small diameter wire bore brush or stiff piece of ware can be used to clear the seawater drain valve of any debris.
7. Disconnect the seawater inlet hose from the connector on the seawater pump.
d
c
b
a
8.
On models equipped with a seawater strainer, remove the hoses at the seawater strainer and drain them completely.
Drain and empty the seawater strainer. Reconnect the hoses and tighten the hose clamps securely.
c
b
a
90-8M0069748 APRIL 2012
eng
b b
a a
Seawater oil cooler
a - Seawater pump inlet
b - Seawater pump
c - Seawater pump outlet
d - Fuel cooler (if equipped)
25668
Typical
a - Seawater inlet
b - Seawater outlet
c - Seawater strainer cover
25831
Section 5 - Maintenance
33990
Page 63